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https://issues.apache.org/jira/browse/FLINK-20735?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17258801#comment-17258801
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Till Rohrmann edited comment on FLINK-20735 at 1/5/21, 10:09 AM:
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At the moment, you can only configure the log level for the whole cluster.
Hence, if you are using a session cluster, then you would always change the log
level for all jobs.
was (Author: till.rohrmann):
When using a session cluster, then you cannot change the log level after you
have deployed the cluster. Hence, adapting the log level only works when
deploying a new cluster.
> 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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