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https://issues.apache.org/jira/browse/FLINK-9504?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16499884#comment-16499884
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ASF GitHub Bot commented on FLINK-9504:
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Github user StephanEwen commented on the issue:
https://github.com/apache/flink/pull/6111
I have often wondered about this as well. There sure are a lot of log lines.
- The state backends themselves should probably log on `debug` level,
otherwise there is a line per operator in the task
- The task itself should still log on info level, so that one has
information to analyze checkpoints from the logs
> Change checkpoint duration log level to debug to avoid too much log
> -------------------------------------------------------------------
>
> Key: FLINK-9504
> URL: https://issues.apache.org/jira/browse/FLINK-9504
> Project: Flink
> Issue Type: Improvement
> Components: State Backends, Checkpointing
> Affects Versions: 1.4.2
> Reporter: aitozi
> Assignee: aitozi
> Priority: Minor
>
> Now, every time checkpoint it will log with the OperatorStateBackend and
> KeyedStateBackend with per partition time cost, it lead to too much log, i
> think the log level should change to the debug, is it ok ?
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