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| author |  Craig Tiller <ctiller@google.com> | 2017-09-07 13:39:26 -0700 |
|---|---|---|
| committer | Craig Tiller <ctiller@google.com> | 2017-09-07 13:39:26 -0700 |
| commit | a8fc020e0f9491effaf2f6cc8770245bd2d6a796 (patch) | |
| tree | f2ba2aa0bd4ab4257c26f3bf2c20dab07b71b726 /doc/environment_variables.md | |
| parent | ff952d292f3fb843f91ef7e0e5ec8772ec3038c5 (diff) | |
| parent | b6ef6e9ff5701d15a352f38a450de2af49d19657 (diff) | |
Merge github.com:grpc/grpc into write_completion
Diffstat (limited to 'doc/environment_variables.md')
| -rw-r--r-- | doc/environment_variables.md | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/doc/environment_variables.md b/doc/environment_variables.md index 672be450b3..58a9270308 100644 --- a/doc/environment_variables.md +++ b/doc/environment_variables.md @@ -114,3 +114,11 @@ some configuration as environment variables that can be set. - native (default)- a DNS resolver based around getaddrinfo(), creates a new thread to perform name resolution - ares - a DNS resolver based around the c-ares library + +* GRPC_DISABLE_CHANNEL_CONNECTIVITY_WATCHER + The channel connectivity watcher uses one extra thread to check the channel + state every 500 ms on the client side. It can help reconnect disconnected + client channels (mostly due to idleness), so that the next RPC on this channel + won't fail. Set to 1 to turn off this watcher and save a thread. Please note + this is a temporary work-around, it will be removed in the future once we have + support for automatically reestablishing failed connections. |