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https://issues.apache.org/jira/browse/FLINK-20735?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17258744#comment-17258744
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zlzhang0122 commented on FLINK-20735:
-------------------------------------
[~trohrmann] Thanks for your reply. Indeed One could replace the log level with
the desired value before starting the Flink job, but this is in standalone
situation. In cluster situation, these change would affect all Flink job in the
same cluster and this is not what users want to see.
> Support configurable log level
> ------------------------------
>
> Key: FLINK-20735
> URL: https://issues.apache.org/jira/browse/FLINK-20735
> Project: Flink
> Issue Type: Improvement
> Components: Runtime / Coordination
> Affects Versions: 1.12.0
> Reporter: zlzhang0122
> Priority: Major
> Fix For: 1.13.0
>
>
> Now the default log level of flink is "INFO" and if we want to change the
> default log level, we have to change that in many log file and this may
> affect all the jobs using these config, I think we can expose a log level
> config for users to change the default log level for every single job.And if
> users don't provide the config value, the default log level won't be changed.
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