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Posted to jira@kafka.apache.org by "Matthias J. Sax (Jira)" <ji...@apache.org> on 2024/04/23 21:15:00 UTC
[jira] [Commented] (KAFKA-16584) Make log processing summary configurable or debug
[ https://issues.apache.org/jira/browse/KAFKA-16584?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17840232#comment-17840232 ]
Matthias J. Sax commented on KAFKA-16584:
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I would prefer to make if configurable personally. Should be a more or less simple change, but requires a KIP.
> Make log processing summary configurable or debug
> -------------------------------------------------
>
> Key: KAFKA-16584
> URL: https://issues.apache.org/jira/browse/KAFKA-16584
> Project: Kafka
> Issue Type: Bug
> Components: streams
> Affects Versions: 3.6.2
> Reporter: Andras Hatvani
> Priority: Major
> Labels: needs-kip, newbie
>
> Currently *every two minutes for every stream thread* statistics will be logged on INFO log level.
> {code}
> 2024-04-18T09:18:23.790+02:00 INFO 33178 --- [service] [-StreamThread-1] o.a.k.s.p.internals.StreamThread : stream-thread [service-149405a3-c7e3-4505-8bbd-c3bff226b115-StreamThread-1] Processed 0 total records, ran 0 punctuators, and committed 0 total tasks since the last update {code}
> This is absolutely unnecessary and even harmful since it fills the logs and thus storage space with unwanted and useless data. Otherwise the INFO logs are useful and helpful, therefore it's not an option to raise the log level to WARN.
> Please make the logProcessingSummary
> * either to a DEBUG level log or
> * make it configurable so that it can be disabled.
> This is the relevant code: https://github.com/apache/kafka/blob/aee9724ee15ed539ae73c09cc2c2eda83ae3c864/streams/src/main/java/org/apache/kafka/streams/processor/internals/StreamThread.java#L1073
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