Enable epoll1

5 files changed, 144 insertions, 150 deletions

diff --git a/src/core/lib/iomgr/ev_epoll1_linux.c b/src/core/lib/iomgr/ev_epoll1_linux.c
index b940d48ba9..8b0a65006e 100644
--- a/src/core/lib/iomgr/ev_epoll1_linux.c
+++ b/src/core/lib/iomgr/ev_epoll1_linux.c
@@ -1192,10 +1192,6 @@ static const grpc_event_engine_vtable vtable = {
  * Create epoll_fd (epoll_set_init() takes care of that) to make sure epoll
  * support is available */
 const grpc_event_engine_vtable *grpc_init_epoll1_linux(bool explicit_request) {
-  if (!explicit_request) {
-    return NULL;
-  }
-
   if (!grpc_has_wakeup_fd()) {
     return NULL;
   }
diff --git a/src/core/lib/iomgr/ev_epollsig_linux.c b/src/core/lib/iomgr/ev_epollsig_linux.c
index 070d75e42a..fad12ff65c 100644
--- a/src/core/lib/iomgr/ev_epollsig_linux.c
+++ b/src/core/lib/iomgr/ev_epollsig_linux.c
@@ -1728,9 +1728,7 @@ const grpc_event_engine_vtable *grpc_init_epollsig_linux(
   }
 
   if (!is_grpc_wakeup_signal_initialized) {
-    /* TODO(ctiller): when other epoll engines are ready, remove the true || to
-     * force this to be explitly chosen if needed */
-    if (true || explicit_request) {
+    if (explicit_request) {
       grpc_use_signal(SIGRTMIN + 6);
     } else {
       return NULL;
diff --git a/src/core/lib/iomgr/ev_posix.c b/src/core/lib/iomgr/ev_posix.c
index 91f8cd5482..424b40e425 100644
--- a/src/core/lib/iomgr/ev_posix.c
+++ b/src/core/lib/iomgr/ev_posix.c
@@ -64,8 +64,8 @@ typedef struct {
 } event_engine_factory;
 
 static const event_engine_factory g_factories[] = {
-    {"epollsig", grpc_init_epollsig_linux},
     {"epoll1", grpc_init_epoll1_linux},
+    {"epollsig", grpc_init_epollsig_linux},
     {"epoll-threadpool", grpc_init_epoll_thread_pool_linux},
     {"epoll-limited", grpc_init_epoll_limited_pollers_linux},
     {"poll", grpc_init_poll_posix},
diff --git a/tools/run_tests/generated/tests.json b/tools/run_tests/generated/tests.json
index 118e5c6cee..4368a5768e 100644
--- a/tools/run_tests/generated/tests.json
+++ b/tools/run_tests/generated/tests.json
@@ -49392,7 +49392,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_unary_1channel_100rpcs_1MB\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 1, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"UNARY\", \"payload_config\": {\"simple_params\": {\"resp_size\": 1048576, \"req_size\": 1048576}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_unary_1channel_100rpcs_1MB\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 1, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"UNARY\", \"payload_config\": {\"simple_params\": {\"resp_size\": 1048576, \"req_size\": 1048576}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -49417,7 +49417,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_streaming_from_client_1channel_1MB\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 1, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"STREAMING_FROM_CLIENT\", \"payload_config\": {\"simple_params\": {\"resp_size\": 1048576, \"req_size\": 1048576}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_streaming_from_client_1channel_1MB\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 1, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"STREAMING_FROM_CLIENT\", \"payload_config\": {\"simple_params\": {\"resp_size\": 1048576, \"req_size\": 1048576}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -49442,7 +49442,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_generic_async_streaming_ping_pong_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"channel_args\": [{\"str_value\": \"latency\", \"name\": \"grpc.optimization_target\"}], \"server_type\": \"ASYNC_GENERIC_SERVER\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0}, \"num_clients\": 1, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"latency\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_generic_async_streaming_ping_pong_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"server_type\": \"ASYNC_GENERIC_SERVER\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0}, \"num_clients\": 1, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -49467,7 +49467,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_generic_async_streaming_qps_unconstrained_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"server_type\": \"ASYNC_GENERIC_SERVER\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0}, \"num_clients\": 0, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_generic_async_streaming_qps_unconstrained_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"server_type\": \"ASYNC_GENERIC_SERVER\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0}, \"num_clients\": 0, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -49492,7 +49492,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_generic_async_streaming_qps_unconstrained_1mps_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"server_type\": \"ASYNC_GENERIC_SERVER\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0}, \"num_clients\": 0, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"messages_per_stream\": 1, \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_generic_async_streaming_qps_unconstrained_1mps_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"server_type\": \"ASYNC_GENERIC_SERVER\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0}, \"num_clients\": 0, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"messages_per_stream\": 1, \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -49517,7 +49517,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_generic_async_streaming_qps_unconstrained_10mps_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"server_type\": \"ASYNC_GENERIC_SERVER\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0}, \"num_clients\": 0, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"messages_per_stream\": 10, \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_generic_async_streaming_qps_unconstrained_10mps_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"server_type\": \"ASYNC_GENERIC_SERVER\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0}, \"num_clients\": 0, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"messages_per_stream\": 10, \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -49542,7 +49542,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_generic_async_streaming_qps_1channel_1MBmsg_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"server_type\": \"ASYNC_GENERIC_SERVER\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 1048576, \"req_size\": 1048576}}, \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0}, \"num_clients\": 0, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 1048576, \"req_size\": 1048576}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_generic_async_streaming_qps_1channel_1MBmsg_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"server_type\": \"ASYNC_GENERIC_SERVER\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 1048576, \"req_size\": 1048576}}, \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0}, \"num_clients\": 0, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 1048576, \"req_size\": 1048576}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -49567,7 +49567,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_generic_async_streaming_qps_unconstrained_64KBmsg_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"server_type\": \"ASYNC_GENERIC_SERVER\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 65536, \"req_size\": 65536}}, \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0}, \"num_clients\": 0, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 65536, \"req_size\": 65536}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_generic_async_streaming_qps_unconstrained_64KBmsg_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"server_type\": \"ASYNC_GENERIC_SERVER\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 65536, \"req_size\": 65536}}, \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0}, \"num_clients\": 0, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 65536, \"req_size\": 65536}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -49592,7 +49592,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_generic_async_streaming_qps_unconstrained_2waysharedcq_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"server_type\": \"ASYNC_GENERIC_SERVER\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 2}, \"num_clients\": 0, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 2, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_generic_async_streaming_qps_unconstrained_2waysharedcq_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"server_type\": \"ASYNC_GENERIC_SERVER\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 2}, \"num_clients\": 0, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 2, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -49617,7 +49617,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_streaming_qps_unconstrained_2waysharedcq_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 2, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 2, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_streaming_qps_unconstrained_2waysharedcq_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 2, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 2, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -49642,7 +49642,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_unary_qps_unconstrained_2waysharedcq_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 2, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"UNARY\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 2, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_unary_qps_unconstrained_2waysharedcq_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 2, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"UNARY\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 2, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -49667,7 +49667,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_generic_async_streaming_qps_one_server_core_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"server_type\": \"ASYNC_GENERIC_SERVER\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0}, \"num_clients\": 0, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 13, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_generic_async_streaming_qps_one_server_core_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"server_type\": \"ASYNC_GENERIC_SERVER\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0}, \"num_clients\": 0, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 13, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -49692,7 +49692,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_client_sync_server_unary_qps_unconstrained_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_servers\": 1, \"num_clients\": 0, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"UNARY\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_client_sync_server_unary_qps_unconstrained_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_servers\": 1, \"num_clients\": 0, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"UNARY\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -49719,7 +49719,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_client_unary_1channel_64wide_128Breq_8MBresp_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"latency\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 1, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"latency\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"UNARY\", \"payload_config\": {\"simple_params\": {\"resp_size\": 8388608, \"req_size\": 128}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_client_unary_1channel_64wide_128Breq_8MBresp_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 1, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"UNARY\", \"payload_config\": {\"simple_params\": {\"resp_size\": 8388608, \"req_size\": 128}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -49744,7 +49744,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_client_sync_server_streaming_qps_unconstrained_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_servers\": 1, \"num_clients\": 0, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_client_sync_server_streaming_qps_unconstrained_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_servers\": 1, \"num_clients\": 0, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -49771,7 +49771,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_unary_ping_pong_secure_1MB\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"latency\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 1, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"latency\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"UNARY\", \"payload_config\": {\"simple_params\": {\"resp_size\": 1048576, \"req_size\": 1048576}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_unary_ping_pong_secure_1MB\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 1, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"UNARY\", \"payload_config\": {\"simple_params\": {\"resp_size\": 1048576, \"req_size\": 1048576}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -49796,7 +49796,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_unary_ping_pong_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"channel_args\": [{\"str_value\": \"latency\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_clients\": 1, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"latency\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"UNARY\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"SYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_unary_ping_pong_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_clients\": 1, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"UNARY\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"SYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -49821,7 +49821,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_unary_qps_unconstrained_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 16, \"rpc_type\": \"UNARY\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"SYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_unary_qps_unconstrained_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 16, \"rpc_type\": \"UNARY\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"SYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -49846,7 +49846,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_unary_ping_pong_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"channel_args\": [{\"str_value\": \"latency\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 1, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"latency\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"UNARY\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_unary_ping_pong_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 1, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"UNARY\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -49871,7 +49871,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_unary_qps_unconstrained_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"UNARY\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_unary_qps_unconstrained_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"UNARY\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -49896,7 +49896,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_streaming_ping_pong_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"channel_args\": [{\"str_value\": \"latency\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_clients\": 1, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"latency\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"SYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_streaming_ping_pong_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_clients\": 1, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"SYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -49921,7 +49921,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_streaming_qps_unconstrained_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 16, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"SYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_streaming_qps_unconstrained_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 16, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"SYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -49946,7 +49946,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_streaming_qps_unconstrained_1mps_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 16, \"rpc_type\": \"STREAMING\", \"messages_per_stream\": 1, \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"SYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_streaming_qps_unconstrained_1mps_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 16, \"rpc_type\": \"STREAMING\", \"messages_per_stream\": 1, \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"SYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -49971,7 +49971,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_streaming_qps_unconstrained_10mps_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 16, \"rpc_type\": \"STREAMING\", \"messages_per_stream\": 10, \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"SYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_streaming_qps_unconstrained_10mps_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 16, \"rpc_type\": \"STREAMING\", \"messages_per_stream\": 10, \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"SYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -49996,7 +49996,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_streaming_ping_pong_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"channel_args\": [{\"str_value\": \"latency\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 1, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"latency\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_streaming_ping_pong_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 1, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -50021,7 +50021,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_streaming_qps_unconstrained_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_streaming_qps_unconstrained_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -50046,7 +50046,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_streaming_qps_unconstrained_1mps_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"messages_per_stream\": 1, \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_streaming_qps_unconstrained_1mps_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"messages_per_stream\": 1, \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -50071,7 +50071,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_streaming_qps_unconstrained_10mps_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"messages_per_stream\": 10, \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_streaming_qps_unconstrained_10mps_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"messages_per_stream\": 10, \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -50096,7 +50096,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_streaming_from_client_ping_pong_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"channel_args\": [{\"str_value\": \"latency\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_clients\": 1, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"latency\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"STREAMING_FROM_CLIENT\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"SYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_streaming_from_client_ping_pong_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_clients\": 1, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"STREAMING_FROM_CLIENT\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"SYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -50121,7 +50121,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_streaming_from_client_qps_unconstrained_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 16, \"rpc_type\": \"STREAMING_FROM_CLIENT\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"SYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_streaming_from_client_qps_unconstrained_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 16, \"rpc_type\": \"STREAMING_FROM_CLIENT\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"SYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -50146,7 +50146,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_streaming_from_client_ping_pong_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"channel_args\": [{\"str_value\": \"latency\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 1, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"latency\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"STREAMING_FROM_CLIENT\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_streaming_from_client_ping_pong_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 1, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"STREAMING_FROM_CLIENT\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -50171,7 +50171,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_streaming_from_client_qps_unconstrained_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING_FROM_CLIENT\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_streaming_from_client_qps_unconstrained_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING_FROM_CLIENT\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -50196,7 +50196,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_streaming_from_server_ping_pong_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"channel_args\": [{\"str_value\": \"latency\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_clients\": 1, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"latency\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"STREAMING_FROM_SERVER\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"SYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_streaming_from_server_ping_pong_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_clients\": 1, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"STREAMING_FROM_SERVER\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"SYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -50221,7 +50221,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_streaming_from_server_qps_unconstrained_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 16, \"rpc_type\": \"STREAMING_FROM_SERVER\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"SYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_streaming_from_server_qps_unconstrained_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 16, \"rpc_type\": \"STREAMING_FROM_SERVER\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"SYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -50246,7 +50246,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_streaming_from_server_ping_pong_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"channel_args\": [{\"str_value\": \"latency\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 1, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"latency\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"STREAMING_FROM_SERVER\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_streaming_from_server_ping_pong_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 1, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"STREAMING_FROM_SERVER\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -50271,7 +50271,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_streaming_from_server_qps_unconstrained_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING_FROM_SERVER\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_streaming_from_server_qps_unconstrained_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING_FROM_SERVER\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -50296,7 +50296,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_generic_async_streaming_ping_pong_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"channel_args\": [{\"str_value\": \"latency\", \"name\": \"grpc.optimization_target\"}], \"server_type\": \"ASYNC_GENERIC_SERVER\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"security_params\": null, \"threads_per_cq\": 0}, \"num_clients\": 1, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"latency\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_generic_async_streaming_ping_pong_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"server_type\": \"ASYNC_GENERIC_SERVER\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"security_params\": null, \"threads_per_cq\": 0}, \"num_clients\": 1, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -50321,7 +50321,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_generic_async_streaming_qps_unconstrained_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"server_type\": \"ASYNC_GENERIC_SERVER\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"security_params\": null, \"threads_per_cq\": 0}, \"num_clients\": 0, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_generic_async_streaming_qps_unconstrained_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"server_type\": \"ASYNC_GENERIC_SERVER\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"security_params\": null, \"threads_per_cq\": 0}, \"num_clients\": 0, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -50346,7 +50346,7 @@
   {
     "args": [
       "--scenarios_json", 
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+      "{\"scenarios\": [{\"name\": \"cpp_generic_async_streaming_qps_unconstrained_1mps_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"server_type\": \"ASYNC_GENERIC_SERVER\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"security_params\": null, \"threads_per_cq\": 0}, \"num_clients\": 0, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"messages_per_stream\": 1, \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -50371,7 +50371,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_generic_async_streaming_qps_unconstrained_10mps_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"server_type\": \"ASYNC_GENERIC_SERVER\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"security_params\": null, \"threads_per_cq\": 0}, \"num_clients\": 0, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"messages_per_stream\": 10, \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_generic_async_streaming_qps_unconstrained_10mps_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"server_type\": \"ASYNC_GENERIC_SERVER\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"security_params\": null, \"threads_per_cq\": 0}, \"num_clients\": 0, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"messages_per_stream\": 10, \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -50396,7 +50396,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_generic_async_streaming_qps_1channel_1MBmsg_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"server_type\": \"ASYNC_GENERIC_SERVER\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 1048576, \"req_size\": 1048576}}, \"security_params\": null, \"threads_per_cq\": 0}, \"num_clients\": 0, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 1048576, \"req_size\": 1048576}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_generic_async_streaming_qps_1channel_1MBmsg_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"server_type\": \"ASYNC_GENERIC_SERVER\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 1048576, \"req_size\": 1048576}}, \"security_params\": null, \"threads_per_cq\": 0}, \"num_clients\": 0, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 1048576, \"req_size\": 1048576}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -50421,7 +50421,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_generic_async_streaming_qps_unconstrained_64KBmsg_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"server_type\": \"ASYNC_GENERIC_SERVER\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 65536, \"req_size\": 65536}}, \"security_params\": null, \"threads_per_cq\": 0}, \"num_clients\": 0, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 65536, \"req_size\": 65536}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_generic_async_streaming_qps_unconstrained_64KBmsg_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"server_type\": \"ASYNC_GENERIC_SERVER\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 65536, \"req_size\": 65536}}, \"security_params\": null, \"threads_per_cq\": 0}, \"num_clients\": 0, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 65536, \"req_size\": 65536}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -50446,7 +50446,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_generic_async_streaming_qps_unconstrained_2waysharedcq_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"server_type\": \"ASYNC_GENERIC_SERVER\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"security_params\": null, \"threads_per_cq\": 2}, \"num_clients\": 0, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 2, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_generic_async_streaming_qps_unconstrained_2waysharedcq_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"server_type\": \"ASYNC_GENERIC_SERVER\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"security_params\": null, \"threads_per_cq\": 2}, \"num_clients\": 0, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 2, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -50471,7 +50471,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_streaming_qps_unconstrained_2waysharedcq_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"security_params\": null, \"threads_per_cq\": 2, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 2, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_streaming_qps_unconstrained_2waysharedcq_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"security_params\": null, \"threads_per_cq\": 2, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 2, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -50496,7 +50496,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_unary_qps_unconstrained_2waysharedcq_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"security_params\": null, \"threads_per_cq\": 2, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"UNARY\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 2, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_unary_qps_unconstrained_2waysharedcq_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"security_params\": null, \"threads_per_cq\": 2, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"UNARY\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 2, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -50521,7 +50521,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_generic_async_streaming_qps_one_server_core_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"server_type\": \"ASYNC_GENERIC_SERVER\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"security_params\": null, \"threads_per_cq\": 0}, \"num_clients\": 0, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 13, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_generic_async_streaming_qps_one_server_core_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"server_type\": \"ASYNC_GENERIC_SERVER\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"security_params\": null, \"threads_per_cq\": 0}, \"num_clients\": 0, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 13, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -50546,7 +50546,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_client_sync_server_unary_qps_unconstrained_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_servers\": 1, \"num_clients\": 0, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"UNARY\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_client_sync_server_unary_qps_unconstrained_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_servers\": 1, \"num_clients\": 0, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"UNARY\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -50573,7 +50573,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_client_unary_1channel_64wide_128Breq_8MBresp_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"latency\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 1, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"latency\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"UNARY\", \"payload_config\": {\"simple_params\": {\"resp_size\": 8388608, \"req_size\": 128}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_client_unary_1channel_64wide_128Breq_8MBresp_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 1, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"UNARY\", \"payload_config\": {\"simple_params\": {\"resp_size\": 8388608, \"req_size\": 128}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -50598,7 +50598,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_client_sync_server_streaming_qps_unconstrained_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_servers\": 1, \"num_clients\": 0, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_client_sync_server_streaming_qps_unconstrained_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_servers\": 1, \"num_clients\": 0, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -50625,7 +50625,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_unary_ping_pong_insecure_1MB\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"latency\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 1, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"latency\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"UNARY\", \"payload_config\": {\"simple_params\": {\"resp_size\": 1048576, \"req_size\": 1048576}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_unary_ping_pong_insecure_1MB\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 1, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"UNARY\", \"payload_config\": {\"simple_params\": {\"resp_size\": 1048576, \"req_size\": 1048576}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -50650,7 +50650,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_unary_ping_pong_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"channel_args\": [{\"str_value\": \"latency\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_clients\": 1, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"latency\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"UNARY\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"SYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_unary_ping_pong_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_clients\": 1, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"UNARY\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"SYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -50675,7 +50675,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_unary_qps_unconstrained_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 16, \"rpc_type\": \"UNARY\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"SYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_unary_qps_unconstrained_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 16, \"rpc_type\": \"UNARY\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"SYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -50700,7 +50700,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_unary_ping_pong_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"channel_args\": [{\"str_value\": \"latency\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 1, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"latency\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"UNARY\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_unary_ping_pong_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 1, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"UNARY\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -50725,7 +50725,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_unary_qps_unconstrained_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"UNARY\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_unary_qps_unconstrained_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"UNARY\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -50750,7 +50750,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_streaming_ping_pong_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"channel_args\": [{\"str_value\": \"latency\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_clients\": 1, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"latency\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"SYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_streaming_ping_pong_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_clients\": 1, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"SYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -50775,7 +50775,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_streaming_qps_unconstrained_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 16, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"SYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_streaming_qps_unconstrained_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 16, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"SYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -50800,7 +50800,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_streaming_qps_unconstrained_1mps_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 16, \"rpc_type\": \"STREAMING\", \"messages_per_stream\": 1, \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"SYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_streaming_qps_unconstrained_1mps_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 16, \"rpc_type\": \"STREAMING\", \"messages_per_stream\": 1, \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"SYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -50825,7 +50825,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_streaming_qps_unconstrained_10mps_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 16, \"rpc_type\": \"STREAMING\", \"messages_per_stream\": 10, \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"SYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_streaming_qps_unconstrained_10mps_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 16, \"rpc_type\": \"STREAMING\", \"messages_per_stream\": 10, \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"SYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -50850,7 +50850,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_streaming_ping_pong_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"channel_args\": [{\"str_value\": \"latency\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 1, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"latency\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_streaming_ping_pong_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 1, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -50875,7 +50875,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_streaming_qps_unconstrained_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_streaming_qps_unconstrained_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -50900,7 +50900,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_streaming_qps_unconstrained_1mps_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"messages_per_stream\": 1, \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_streaming_qps_unconstrained_1mps_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"messages_per_stream\": 1, \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -50925,7 +50925,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_streaming_qps_unconstrained_10mps_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"messages_per_stream\": 10, \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_streaming_qps_unconstrained_10mps_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"messages_per_stream\": 10, \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -50950,7 +50950,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_streaming_from_client_ping_pong_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"channel_args\": [{\"str_value\": \"latency\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_clients\": 1, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"latency\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"STREAMING_FROM_CLIENT\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"SYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_streaming_from_client_ping_pong_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_clients\": 1, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"STREAMING_FROM_CLIENT\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"SYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -50975,7 +50975,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_streaming_from_client_qps_unconstrained_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 16, \"rpc_type\": \"STREAMING_FROM_CLIENT\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"SYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_streaming_from_client_qps_unconstrained_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 16, \"rpc_type\": \"STREAMING_FROM_CLIENT\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"SYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -51000,7 +51000,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_streaming_from_client_ping_pong_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"channel_args\": [{\"str_value\": \"latency\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 1, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"latency\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"STREAMING_FROM_CLIENT\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_streaming_from_client_ping_pong_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 1, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"STREAMING_FROM_CLIENT\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -51025,7 +51025,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_streaming_from_client_qps_unconstrained_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING_FROM_CLIENT\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_streaming_from_client_qps_unconstrained_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING_FROM_CLIENT\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -51050,7 +51050,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_streaming_from_server_ping_pong_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"channel_args\": [{\"str_value\": \"latency\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_clients\": 1, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"latency\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"STREAMING_FROM_SERVER\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"SYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_streaming_from_server_ping_pong_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_clients\": 1, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"STREAMING_FROM_SERVER\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"SYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -51075,7 +51075,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_streaming_from_server_qps_unconstrained_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 16, \"rpc_type\": \"STREAMING_FROM_SERVER\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"SYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_streaming_from_server_qps_unconstrained_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 16, \"rpc_type\": \"STREAMING_FROM_SERVER\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"SYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -51100,7 +51100,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_streaming_from_server_ping_pong_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"channel_args\": [{\"str_value\": \"latency\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 1, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"latency\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"STREAMING_FROM_SERVER\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_streaming_from_server_ping_pong_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 1, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"STREAMING_FROM_SERVER\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -51125,7 +51125,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_streaming_from_server_qps_unconstrained_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING_FROM_SERVER\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_streaming_from_server_qps_unconstrained_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING_FROM_SERVER\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -51150,7 +51150,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_unary_1channel_100rpcs_1MB\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 1, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"UNARY\", \"payload_config\": {\"simple_params\": {\"resp_size\": 1048576, \"req_size\": 1048576}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_unary_1channel_100rpcs_1MB\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 1, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"UNARY\", \"payload_config\": {\"simple_params\": {\"resp_size\": 1048576, \"req_size\": 1048576}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -51188,7 +51188,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_streaming_from_client_1channel_1MB\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 1, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"STREAMING_FROM_CLIENT\", \"payload_config\": {\"simple_params\": {\"resp_size\": 1048576, \"req_size\": 1048576}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_streaming_from_client_1channel_1MB\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 1, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"STREAMING_FROM_CLIENT\", \"payload_config\": {\"simple_params\": {\"resp_size\": 1048576, \"req_size\": 1048576}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -51226,7 +51226,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_generic_async_streaming_ping_pong_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"channel_args\": [{\"str_value\": \"latency\", \"name\": \"grpc.optimization_target\"}], \"server_type\": \"ASYNC_GENERIC_SERVER\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0}, \"num_clients\": 1, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"latency\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_generic_async_streaming_ping_pong_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"server_type\": \"ASYNC_GENERIC_SERVER\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0}, \"num_clients\": 1, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -51264,7 +51264,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_generic_async_streaming_qps_unconstrained_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"server_type\": \"ASYNC_GENERIC_SERVER\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0}, \"num_clients\": 0, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_generic_async_streaming_qps_unconstrained_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"server_type\": \"ASYNC_GENERIC_SERVER\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0}, \"num_clients\": 0, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -51302,7 +51302,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_generic_async_streaming_qps_unconstrained_1mps_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"server_type\": \"ASYNC_GENERIC_SERVER\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0}, \"num_clients\": 0, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"messages_per_stream\": 1, \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_generic_async_streaming_qps_unconstrained_1mps_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"server_type\": \"ASYNC_GENERIC_SERVER\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0}, \"num_clients\": 0, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"messages_per_stream\": 1, \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -51340,7 +51340,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_generic_async_streaming_qps_unconstrained_10mps_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"server_type\": \"ASYNC_GENERIC_SERVER\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0}, \"num_clients\": 0, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"messages_per_stream\": 10, \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_generic_async_streaming_qps_unconstrained_10mps_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"server_type\": \"ASYNC_GENERIC_SERVER\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0}, \"num_clients\": 0, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"messages_per_stream\": 10, \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -51378,7 +51378,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_generic_async_streaming_qps_1channel_1MBmsg_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"server_type\": \"ASYNC_GENERIC_SERVER\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 1048576, \"req_size\": 1048576}}, \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0}, \"num_clients\": 0, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 1048576, \"req_size\": 1048576}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_generic_async_streaming_qps_1channel_1MBmsg_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"server_type\": \"ASYNC_GENERIC_SERVER\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 1048576, \"req_size\": 1048576}}, \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0}, \"num_clients\": 0, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 1048576, \"req_size\": 1048576}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -51416,7 +51416,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_generic_async_streaming_qps_unconstrained_64KBmsg_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"server_type\": \"ASYNC_GENERIC_SERVER\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 65536, \"req_size\": 65536}}, \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0}, \"num_clients\": 0, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 65536, \"req_size\": 65536}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_generic_async_streaming_qps_unconstrained_64KBmsg_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"server_type\": \"ASYNC_GENERIC_SERVER\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 65536, \"req_size\": 65536}}, \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0}, \"num_clients\": 0, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 65536, \"req_size\": 65536}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -51454,7 +51454,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_generic_async_streaming_qps_unconstrained_2waysharedcq_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"server_type\": \"ASYNC_GENERIC_SERVER\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 2}, \"num_clients\": 0, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 2, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_generic_async_streaming_qps_unconstrained_2waysharedcq_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"server_type\": \"ASYNC_GENERIC_SERVER\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 2}, \"num_clients\": 0, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 2, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -51492,7 +51492,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_streaming_qps_unconstrained_2waysharedcq_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 2, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 2, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_streaming_qps_unconstrained_2waysharedcq_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 2, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 2, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -51530,7 +51530,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_unary_qps_unconstrained_2waysharedcq_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 2, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"UNARY\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 2, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_unary_qps_unconstrained_2waysharedcq_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 2, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"UNARY\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 2, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -51568,7 +51568,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_generic_async_streaming_qps_one_server_core_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"server_type\": \"ASYNC_GENERIC_SERVER\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0}, \"num_clients\": 0, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 13, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_generic_async_streaming_qps_one_server_core_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"server_type\": \"ASYNC_GENERIC_SERVER\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0}, \"num_clients\": 0, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 13, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -51606,7 +51606,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_client_sync_server_unary_qps_unconstrained_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_servers\": 1, \"num_clients\": 0, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 10, \"rpc_type\": \"UNARY\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_client_sync_server_unary_qps_unconstrained_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_servers\": 1, \"num_clients\": 0, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 10, \"rpc_type\": \"UNARY\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -51646,7 +51646,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_client_unary_1channel_64wide_128Breq_8MBresp_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"latency\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 1, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"latency\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"UNARY\", \"payload_config\": {\"simple_params\": {\"resp_size\": 8388608, \"req_size\": 128}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_client_unary_1channel_64wide_128Breq_8MBresp_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 1, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"UNARY\", \"payload_config\": {\"simple_params\": {\"resp_size\": 8388608, \"req_size\": 128}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -51684,7 +51684,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_client_sync_server_streaming_qps_unconstrained_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_servers\": 1, \"num_clients\": 0, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 10, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_client_sync_server_streaming_qps_unconstrained_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_servers\": 1, \"num_clients\": 0, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 10, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -51724,7 +51724,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_unary_ping_pong_secure_1MB\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"latency\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 1, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"latency\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"UNARY\", \"payload_config\": {\"simple_params\": {\"resp_size\": 1048576, \"req_size\": 1048576}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_unary_ping_pong_secure_1MB\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 1, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"UNARY\", \"payload_config\": {\"simple_params\": {\"resp_size\": 1048576, \"req_size\": 1048576}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -51762,7 +51762,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_unary_ping_pong_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"channel_args\": [{\"str_value\": \"latency\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_clients\": 1, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"latency\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"UNARY\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"SYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_unary_ping_pong_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_clients\": 1, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"UNARY\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"SYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -51800,7 +51800,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_unary_qps_unconstrained_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"UNARY\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"SYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_unary_qps_unconstrained_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"UNARY\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"SYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -51838,7 +51838,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_unary_ping_pong_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"channel_args\": [{\"str_value\": \"latency\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 1, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"latency\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"UNARY\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_unary_ping_pong_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 1, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"UNARY\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -51876,7 +51876,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_unary_qps_unconstrained_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"UNARY\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_unary_qps_unconstrained_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"UNARY\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -51914,7 +51914,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_streaming_ping_pong_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"channel_args\": [{\"str_value\": \"latency\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_clients\": 1, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"latency\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"SYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_streaming_ping_pong_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_clients\": 1, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"SYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -51952,7 +51952,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_streaming_qps_unconstrained_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"SYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_streaming_qps_unconstrained_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"SYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -51990,7 +51990,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_streaming_qps_unconstrained_1mps_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"STREAMING\", \"messages_per_stream\": 1, \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"SYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_streaming_qps_unconstrained_1mps_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"STREAMING\", \"messages_per_stream\": 1, \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"SYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -52028,7 +52028,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_streaming_qps_unconstrained_10mps_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"STREAMING\", \"messages_per_stream\": 10, \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"SYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_streaming_qps_unconstrained_10mps_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"STREAMING\", \"messages_per_stream\": 10, \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"SYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -52066,7 +52066,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_streaming_ping_pong_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"channel_args\": [{\"str_value\": \"latency\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 1, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"latency\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_streaming_ping_pong_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 1, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -52104,7 +52104,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_streaming_qps_unconstrained_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_streaming_qps_unconstrained_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -52142,7 +52142,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_streaming_qps_unconstrained_1mps_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"messages_per_stream\": 1, \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_streaming_qps_unconstrained_1mps_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"messages_per_stream\": 1, \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -52180,7 +52180,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_streaming_qps_unconstrained_10mps_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"messages_per_stream\": 10, \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_streaming_qps_unconstrained_10mps_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"messages_per_stream\": 10, \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -52218,7 +52218,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_streaming_from_client_ping_pong_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"channel_args\": [{\"str_value\": \"latency\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_clients\": 1, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"latency\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"STREAMING_FROM_CLIENT\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"SYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_streaming_from_client_ping_pong_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_clients\": 1, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"STREAMING_FROM_CLIENT\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"SYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -52256,7 +52256,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_streaming_from_client_qps_unconstrained_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"STREAMING_FROM_CLIENT\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"SYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_streaming_from_client_qps_unconstrained_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"STREAMING_FROM_CLIENT\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"SYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -52294,7 +52294,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_streaming_from_client_ping_pong_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"channel_args\": [{\"str_value\": \"latency\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 1, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"latency\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"STREAMING_FROM_CLIENT\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_streaming_from_client_ping_pong_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 1, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"STREAMING_FROM_CLIENT\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -52332,7 +52332,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_streaming_from_client_qps_unconstrained_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING_FROM_CLIENT\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_streaming_from_client_qps_unconstrained_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING_FROM_CLIENT\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -52370,7 +52370,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_streaming_from_server_ping_pong_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"channel_args\": [{\"str_value\": \"latency\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_clients\": 1, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"latency\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"STREAMING_FROM_SERVER\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"SYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_streaming_from_server_ping_pong_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_clients\": 1, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"STREAMING_FROM_SERVER\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"SYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -52408,7 +52408,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_streaming_from_server_qps_unconstrained_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"STREAMING_FROM_SERVER\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"SYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_streaming_from_server_qps_unconstrained_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"STREAMING_FROM_SERVER\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"SYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -52446,7 +52446,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_streaming_from_server_ping_pong_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"channel_args\": [{\"str_value\": \"latency\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 1, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"latency\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"STREAMING_FROM_SERVER\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_streaming_from_server_ping_pong_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 1, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"STREAMING_FROM_SERVER\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -52484,7 +52484,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_streaming_from_server_qps_unconstrained_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING_FROM_SERVER\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_streaming_from_server_qps_unconstrained_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING_FROM_SERVER\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -52522,7 +52522,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_generic_async_streaming_ping_pong_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"channel_args\": [{\"str_value\": \"latency\", \"name\": \"grpc.optimization_target\"}], \"server_type\": \"ASYNC_GENERIC_SERVER\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"security_params\": null, \"threads_per_cq\": 0}, \"num_clients\": 1, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"latency\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_generic_async_streaming_ping_pong_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"server_type\": \"ASYNC_GENERIC_SERVER\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"security_params\": null, \"threads_per_cq\": 0}, \"num_clients\": 1, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -52560,7 +52560,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_generic_async_streaming_qps_unconstrained_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"server_type\": \"ASYNC_GENERIC_SERVER\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"security_params\": null, \"threads_per_cq\": 0}, \"num_clients\": 0, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_generic_async_streaming_qps_unconstrained_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"server_type\": \"ASYNC_GENERIC_SERVER\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"security_params\": null, \"threads_per_cq\": 0}, \"num_clients\": 0, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -52598,7 +52598,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_generic_async_streaming_qps_unconstrained_1mps_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"server_type\": \"ASYNC_GENERIC_SERVER\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"security_params\": null, \"threads_per_cq\": 0}, \"num_clients\": 0, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"messages_per_stream\": 1, \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_generic_async_streaming_qps_unconstrained_1mps_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"server_type\": \"ASYNC_GENERIC_SERVER\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"security_params\": null, \"threads_per_cq\": 0}, \"num_clients\": 0, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"messages_per_stream\": 1, \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -52636,7 +52636,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_generic_async_streaming_qps_unconstrained_10mps_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"server_type\": \"ASYNC_GENERIC_SERVER\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"security_params\": null, \"threads_per_cq\": 0}, \"num_clients\": 0, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"messages_per_stream\": 10, \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_generic_async_streaming_qps_unconstrained_10mps_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"server_type\": \"ASYNC_GENERIC_SERVER\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"security_params\": null, \"threads_per_cq\": 0}, \"num_clients\": 0, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"messages_per_stream\": 10, \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -52674,7 +52674,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_generic_async_streaming_qps_1channel_1MBmsg_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"server_type\": \"ASYNC_GENERIC_SERVER\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 1048576, \"req_size\": 1048576}}, \"security_params\": null, \"threads_per_cq\": 0}, \"num_clients\": 0, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 1048576, \"req_size\": 1048576}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_generic_async_streaming_qps_1channel_1MBmsg_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"server_type\": \"ASYNC_GENERIC_SERVER\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 1048576, \"req_size\": 1048576}}, \"security_params\": null, \"threads_per_cq\": 0}, \"num_clients\": 0, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 1048576, \"req_size\": 1048576}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -52712,7 +52712,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_generic_async_streaming_qps_unconstrained_64KBmsg_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"server_type\": \"ASYNC_GENERIC_SERVER\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 65536, \"req_size\": 65536}}, \"security_params\": null, \"threads_per_cq\": 0}, \"num_clients\": 0, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 65536, \"req_size\": 65536}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_generic_async_streaming_qps_unconstrained_64KBmsg_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"server_type\": \"ASYNC_GENERIC_SERVER\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 65536, \"req_size\": 65536}}, \"security_params\": null, \"threads_per_cq\": 0}, \"num_clients\": 0, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 65536, \"req_size\": 65536}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -52750,7 +52750,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_generic_async_streaming_qps_unconstrained_2waysharedcq_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"server_type\": \"ASYNC_GENERIC_SERVER\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"security_params\": null, \"threads_per_cq\": 2}, \"num_clients\": 0, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 2, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_generic_async_streaming_qps_unconstrained_2waysharedcq_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"server_type\": \"ASYNC_GENERIC_SERVER\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"security_params\": null, \"threads_per_cq\": 2}, \"num_clients\": 0, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 2, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -52788,7 +52788,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_streaming_qps_unconstrained_2waysharedcq_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"security_params\": null, \"threads_per_cq\": 2, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 2, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_streaming_qps_unconstrained_2waysharedcq_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"security_params\": null, \"threads_per_cq\": 2, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 2, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -52826,7 +52826,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_unary_qps_unconstrained_2waysharedcq_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"security_params\": null, \"threads_per_cq\": 2, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"UNARY\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 2, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_unary_qps_unconstrained_2waysharedcq_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"security_params\": null, \"threads_per_cq\": 2, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"UNARY\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 2, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -52864,7 +52864,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_generic_async_streaming_qps_one_server_core_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"server_type\": \"ASYNC_GENERIC_SERVER\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"security_params\": null, \"threads_per_cq\": 0}, \"num_clients\": 0, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 13, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_generic_async_streaming_qps_one_server_core_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"server_type\": \"ASYNC_GENERIC_SERVER\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"security_params\": null, \"threads_per_cq\": 0}, \"num_clients\": 0, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 13, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -52902,7 +52902,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_client_sync_server_unary_qps_unconstrained_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_servers\": 1, \"num_clients\": 0, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 10, \"rpc_type\": \"UNARY\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_client_sync_server_unary_qps_unconstrained_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_servers\": 1, \"num_clients\": 0, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 10, \"rpc_type\": \"UNARY\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -52942,7 +52942,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_client_unary_1channel_64wide_128Breq_8MBresp_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"latency\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 1, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"latency\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"UNARY\", \"payload_config\": {\"simple_params\": {\"resp_size\": 8388608, \"req_size\": 128}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_client_unary_1channel_64wide_128Breq_8MBresp_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 1, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"UNARY\", \"payload_config\": {\"simple_params\": {\"resp_size\": 8388608, \"req_size\": 128}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -52980,7 +52980,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_client_sync_server_streaming_qps_unconstrained_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_servers\": 1, \"num_clients\": 0, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 10, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_client_sync_server_streaming_qps_unconstrained_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_servers\": 1, \"num_clients\": 0, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 10, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -53020,7 +53020,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_unary_ping_pong_insecure_1MB\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"latency\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 1, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"latency\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"UNARY\", \"payload_config\": {\"simple_params\": {\"resp_size\": 1048576, \"req_size\": 1048576}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_unary_ping_pong_insecure_1MB\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 1, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"UNARY\", \"payload_config\": {\"simple_params\": {\"resp_size\": 1048576, \"req_size\": 1048576}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -53058,7 +53058,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_unary_ping_pong_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"channel_args\": [{\"str_value\": \"latency\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_clients\": 1, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"latency\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"UNARY\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"SYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_unary_ping_pong_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_clients\": 1, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"UNARY\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"SYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -53096,7 +53096,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_unary_qps_unconstrained_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"UNARY\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"SYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_unary_qps_unconstrained_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"UNARY\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"SYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -53134,7 +53134,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_unary_ping_pong_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"channel_args\": [{\"str_value\": \"latency\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 1, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"latency\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"UNARY\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_unary_ping_pong_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 1, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"UNARY\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -53172,7 +53172,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_unary_qps_unconstrained_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"UNARY\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_unary_qps_unconstrained_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"UNARY\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -53210,7 +53210,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_streaming_ping_pong_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"channel_args\": [{\"str_value\": \"latency\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_clients\": 1, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"latency\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"SYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_streaming_ping_pong_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_clients\": 1, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"SYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -53248,7 +53248,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_streaming_qps_unconstrained_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"SYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_streaming_qps_unconstrained_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"SYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -53286,7 +53286,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_streaming_qps_unconstrained_1mps_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"STREAMING\", \"messages_per_stream\": 1, \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"SYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_streaming_qps_unconstrained_1mps_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"STREAMING\", \"messages_per_stream\": 1, \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"SYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -53324,7 +53324,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_streaming_qps_unconstrained_10mps_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"STREAMING\", \"messages_per_stream\": 10, \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"SYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_streaming_qps_unconstrained_10mps_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"STREAMING\", \"messages_per_stream\": 10, \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"SYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -53362,7 +53362,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_streaming_ping_pong_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"channel_args\": [{\"str_value\": \"latency\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 1, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"latency\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_streaming_ping_pong_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 1, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -53400,7 +53400,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_streaming_qps_unconstrained_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_streaming_qps_unconstrained_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -53438,7 +53438,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_streaming_qps_unconstrained_1mps_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"messages_per_stream\": 1, \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_streaming_qps_unconstrained_1mps_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"messages_per_stream\": 1, \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -53476,7 +53476,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_streaming_qps_unconstrained_10mps_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"messages_per_stream\": 10, \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_streaming_qps_unconstrained_10mps_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"messages_per_stream\": 10, \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -53514,7 +53514,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_streaming_from_client_ping_pong_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"channel_args\": [{\"str_value\": \"latency\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_clients\": 1, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"latency\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"STREAMING_FROM_CLIENT\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"SYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_streaming_from_client_ping_pong_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_clients\": 1, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"STREAMING_FROM_CLIENT\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"SYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -53552,7 +53552,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_streaming_from_client_qps_unconstrained_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"STREAMING_FROM_CLIENT\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"SYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_streaming_from_client_qps_unconstrained_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"STREAMING_FROM_CLIENT\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"SYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -53590,7 +53590,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_streaming_from_client_ping_pong_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"channel_args\": [{\"str_value\": \"latency\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 1, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"latency\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"STREAMING_FROM_CLIENT\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_streaming_from_client_ping_pong_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 1, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"STREAMING_FROM_CLIENT\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -53628,7 +53628,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_streaming_from_client_qps_unconstrained_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING_FROM_CLIENT\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_streaming_from_client_qps_unconstrained_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING_FROM_CLIENT\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -53666,7 +53666,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_streaming_from_server_ping_pong_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"channel_args\": [{\"str_value\": \"latency\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_clients\": 1, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"latency\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"STREAMING_FROM_SERVER\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"SYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_streaming_from_server_ping_pong_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_clients\": 1, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"STREAMING_FROM_SERVER\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"SYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -53704,7 +53704,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_streaming_from_server_qps_unconstrained_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"STREAMING_FROM_SERVER\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"SYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_streaming_from_server_qps_unconstrained_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"SYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"STREAMING_FROM_SERVER\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"SYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -53742,7 +53742,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_streaming_from_server_ping_pong_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"channel_args\": [{\"str_value\": \"latency\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 1, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"latency\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"STREAMING_FROM_SERVER\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_streaming_from_server_ping_pong_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 1, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"STREAMING_FROM_SERVER\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 1, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
@@ -53780,7 +53780,7 @@
   {
     "args": [
       "--scenarios_json", 
-      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_streaming_from_server_qps_unconstrained_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"throughput\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING_FROM_SERVER\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_streaming_from_server_qps_unconstrained_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"security_params\": null, \"threads_per_cq\": 0, \"server_type\": \"ASYNC_SERVER\"}, \"num_clients\": 0, \"client_config\": {\"security_params\": null, \"channel_args\": [{\"str_value\": \"blend\", \"name\": \"grpc.optimization_target\"}, {\"int_value\": 1, \"name\": \"grpc.minimal_stack\"}], \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING_FROM_SERVER\", \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"threads_per_cq\": 0, \"load_params\": {\"closed_loop\": {}}, \"client_type\": \"ASYNC_CLIENT\", \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}}]}"
     ], 
     "boringssl": true, 
     "ci_platforms": [
diff --git a/tools/run_tests/performance/scenario_config.py b/tools/run_tests/performance/scenario_config.py
index 8868f40f49..86236b19bf 100644
--- a/tools/run_tests/performance/scenario_config.py
+++ b/tools/run_tests/performance/scenario_config.py
@@ -154,6 +154,8 @@ def _ping_pong_scenario(name, rpc_type,
 
   scenario['client_config']['payload_config'] = _payload_type(use_generic_payload, req_size, resp_size)
 
+  # Optimization target of 'throughput' does not work well with epoll1 polling
+  # engine. Use the default value of 'blend'
   optimization_target = 'blend'
 
   if unconstrained_client:
@@ -169,12 +171,10 @@ def _ping_pong_scenario(name, rpc_type,
     scenario['client_config']['outstanding_rpcs_per_channel'] = deep
     scenario['client_config']['client_channels'] = wide
     scenario['client_config']['async_client_threads'] = 0
-    optimization_target = 'throughput'
   else:
     scenario['client_config']['outstanding_rpcs_per_channel'] = 1
     scenario['client_config']['client_channels'] = 1
     scenario['client_config']['async_client_threads'] = 1
-    optimization_target = 'latency'
 
   optimization_channel_arg = {
     'name': 'grpc.optimization_target',