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Posted to jira@kafka.apache.org by "tkornai (via GitHub)" <gi...@apache.org> on 2026/04/14 14:11:12 UTC
[PR] KAFKA-20449: Downgrade "not updating high watermark" log from WARN to DEBUG [kafka]
tkornai opened a new pull request, #22055:
URL: https://github.com/apache/kafka/pull/22055
## Summary
- Downgrade the "Not updating high watermark" and "Not updating last stable offset" log messages in `OffsetFetcherUtils.updateSubscriptionState()` from `WARN` to `DEBUG`.
- These messages were added in KAFKA-20131 (commit abcbef6a4c) for the case where a `LIST_OFFSETS` response arrives after a partition has already been revoked during a rebalance.
- This is a benign race condition that requires no operator action, but the `WARN` level causes problems for deployments that use warning rates as a health signal — e.g., canary releases get rolled back due to the high volume of warnings during rebalances.
## Test plan
- [ ] Verify existing `OffsetFetcherUtils` tests pass
- [ ] Confirm no tests assert on the log level of these messages
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Re: [PR] KAFKA-20449: Downgrade "not updating high watermark" log from WARN to DEBUG [kafka]
Posted by "m1a2st (via GitHub)" <gi...@apache.org>.
m1a2st commented on PR #22055:
URL: https://github.com/apache/kafka/pull/22055#issuecomment-5619334549
cherry-pick to 4.3
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Re: [PR] KAFKA-20449: Downgrade "not updating high watermark" log from WARN to DEBUG [kafka]
Posted by "lassellea-sfeir (via GitHub)" <gi...@apache.org>.
lassellea-sfeir commented on PR #22055:
URL: https://github.com/apache/kafka/pull/22055#issuecomment-6055980370
Hi @m1a2st
when will the 4.3.x be released to include this change ?
No maven release include this change : https://mvnrepository.com/artifact/org.apache.kafka/kafka-clients
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Re: [PR] KAFKA-20449: Downgrade "not updating high watermark" log from WARN to DEBUG [kafka]
Posted by "vfpanjacek (via GitHub)" <gi...@apache.org>.
vfpanjacek commented on PR #22055:
URL: https://github.com/apache/kafka/pull/22055#issuecomment-5599146961
I can see it's not yet in 4.3.1?
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Re: [PR] KAFKA-20449: Downgrade "not updating high watermark" log from WARN to DEBUG [kafka]
Posted by "m1a2st (via GitHub)" <gi...@apache.org>.
m1a2st commented on PR #22055:
URL: https://github.com/apache/kafka/pull/22055#issuecomment-6060201479
4.3.2 is currently in the RC phase (RC1 is under vote), so the release timing depends on how the RC1 vote goes. If everything goes smoothly, it should be available in roughly a month.
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Re: [PR] KAFKA-20449: Downgrade "not updating high watermark" log from WARN to DEBUG [kafka]
Posted by "lianetm (via GitHub)" <gi...@apache.org>.
lianetm merged PR #22055:
URL: https://github.com/apache/kafka/pull/22055
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Re: [PR] KAFKA-20449: Downgrade "not updating high watermark" log from WARN to DEBUG [kafka]
Posted by "m1a2st (via GitHub)" <gi...@apache.org>.
m1a2st commented on PR #22055:
URL: https://github.com/apache/kafka/pull/22055#issuecomment-6057515288
Hello @lassellea-sfeir,
This change will be included in Kafka 4.3.2. However, 4.3.2 is still in RC, so please wait for the final release.
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Re: [PR] KAFKA-20449: Downgrade "not updating high watermark" log from WARN to DEBUG [kafka]
Posted by "gaeljw (via GitHub)" <gi...@apache.org>.
gaeljw commented on PR #22055:
URL: https://github.com/apache/kafka/pull/22055#issuecomment-4622158163
Hello folks, can you help me understand in which version this fix will be included? 4.3.1 I guess?
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Re: [PR] KAFKA-20449: Downgrade "not updating high watermark" log from WARN to DEBUG [kafka]
Posted by "lassellea-sfeir (via GitHub)" <gi...@apache.org>.
lassellea-sfeir commented on PR #22055:
URL: https://github.com/apache/kafka/pull/22055#issuecomment-6060085658
Hi,
do you have an ETA please ?
In the meanwhile we have change log level on this specific class :
```xml
<logger name="org.apache.kafka.clients.consumer.internals.OffsetFetcherUtils" level="ERROR" additivity="false" />
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