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| -rw-r--r-- | doc/fail_fast.md | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/doc/fail_fast.md b/doc/fail_fast.md new file mode 100644 index 0000000000..3ed4297194 --- /dev/null +++ b/doc/fail_fast.md @@ -0,0 +1,15 @@ +gRPC Fail Fast Semantics +======================== + +Fail fast requests allow terminating requests (with status UNAVAILABLE) prior +to the deadline of the request being met. + +gRPC implementations of fail fast can terminate requests whenever a channel is +in the TRANSIENT_FAILURE or SHUTDOWN states. If the channel is in any other +state (CONNECTING, READY, or IDLE) the request should not be terminated. + +Fail fast SHOULD be the default for gRPC implementations, with an option to +switch to non fail fast. + +The opposite of fail fast is 'ignore connectivity'. + |