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| author |  Yuchen Zeng <zyc@google.com> | 2017-08-24 12:08:03 -0700 |
|---|---|---|
| committer | Yuchen Zeng <zyc@google.com> | 2017-08-24 12:08:03 -0700 |
| commit | f1d50983ae61fe0be7a284b4cbd0beb287b0f6a8 (patch) | |
| tree | 09a1500360d278ce3e383592bd334ee7340021ef /doc | |
| parent | 33845d08d44483b20cb104d9f3a7355d912f6618 (diff) | |
Document GRPC_DISABLE_CHANNEL_CONNECTIVITY_WATCHER
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/environment_variables.md | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/doc/environment_variables.md b/doc/environment_variables.md index a2cde92736..bb351cbdcc 100644 --- a/doc/environment_variables.md +++ b/doc/environment_variables.md @@ -113,3 +113,9 @@ 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. |