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https://issues.apache.org/jira/browse/KAFKA-816?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13607110#comment-13607110
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Jun Rao commented on KAFKA-816:
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Thanks for the patch. Instead of duplicating the comments for each type of
exception, is it better to add a comment at the beginning of catch to explain
how different exceptions are handled? The comment should probably be added to
handleOffsetRequest() too. Also, there is a grammar mistake in "Failed produce
requests is ".
> Reduce noise in Kafka server logs due to NotLeaderForPartitionException
> -----------------------------------------------------------------------
>
> Key: KAFKA-816
> URL: https://issues.apache.org/jira/browse/KAFKA-816
> Project: Kafka
> Issue Type: Bug
> Components: core
> Affects Versions: 0.8
> Reporter: Neha Narkhede
> Assignee: Neha Narkhede
> Priority: Blocker
> Labels: kafka-0.8, p2
> Attachments: kafka-816.patch
>
> Original Estimate: 1h
> Remaining Estimate: 1h
>
> NotLeaderForPartitionException is logged at the ERROR level with a full stack
> trace. But really this is just an informational message on the server when a
> client with stale metadata sends requests to the wrong leader for a
> partition. This floods the logs either if there are many clients or few
> clients sending many topics (migration tool or mirror maker). This should
> probably be logged at WARN and without the stack trace
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