apovzner opened a new pull request #9317:
URL: https://github.com/apache/kafka/pull/9317
This PR adds metric to track throttle time of connection accept rate (when
hitting connection attempt rate quota). This is part of KIP-612:
kafka.network:type=socket-server-metrics,name=connection-accept-throttle-time,listener={listenerName}
Type: SampledStat.Avg
Description: Average throttle time due to violating per-listener or
broker-wide connection acceptance rate quota on a given listener.
This PR also reduces quota values used in
testDynamicListenerConnectionCreationRateQuota test. We observed once that this
test exhausted ephemeral port count. I reduced quotas used in this test by
half, since this does not change the correctness of the test, while it also
reduces the number of connections made by this test.
### Committer Checklist (excluded from commit message)
- [ ] Verify design and implementation
- [ ] Verify test coverage and CI build status
- [ ] Verify documentation (including upgrade notes)
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