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Downgrade repl stream time out error to warning (#16401)

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This is because if a worker reaches ~100% CPU then everything starts
lagging and we hit the log line a lot. When at error we invoke sentry
and that has a lot of overhead, which then puts even more pressure on
the worker.
This commit is contained in:
Erik Johnston 2023-09-29 14:52:48 +03:00 committed by GitHub
parent 79eb6c0cdc
commit 20fb08ec80
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2 changed files with 2 additions and 1 deletions
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1
changelog.d/16401.misc Normal file
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@ -0,0 +1 @@
Downgrade replication stream time out error log lines to warning.

2
synapse/replication/tcp/client.py
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@ -339,7 +339,7 @@ class ReplicationDataHandler:
try: try:
await make_deferred_yieldable(deferred) await make_deferred_yieldable(deferred)
except defer.TimeoutError: except defer.TimeoutError:
logger.error( logger.warning(
"Timed out waiting for repl stream %r to reach %s (%s)" "Timed out waiting for repl stream %r to reach %s (%s)"
"; currently at: %s", "; currently at: %s",
stream_name, stream_name,