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https://issues.apache.org/jira/browse/FLINK-16478?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17059538#comment-17059538
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xiaodao commented on FLINK-16478:
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[~chesnay] ,i think to modify log4j.properties it's not a Convenient way ,just
like [~fly_in_gis] reply，it's better to add a rest api to support it.
> add restApi to modify loglevel
> -------------------------------
>
> Key: FLINK-16478
> URL: https://issues.apache.org/jira/browse/FLINK-16478
> Project: Flink
> Issue Type: Improvement
> Components: Runtime / REST
> Reporter: xiaodao
> Priority: Minor
>
> sometimes we may need to change loglevel to get more information to resolved
> bug, now we need to stop it and modify conf/log4j.properties and resubmit it
> ,i think it's better to add rest api to modify loglevel.
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