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https://issues.apache.org/jira/browse/FLINK-14981?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chesnay Schepler updated FLINK-14981:
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Fix Version/s: (was: 1.9.1)
(was: 1.8.2)
(was: 1.7.2)
> web frontend support dynamic adjustment of the log level
> ---------------------------------------------------------
>
> Key: FLINK-14981
> URL: https://issues.apache.org/jira/browse/FLINK-14981
> Project: Flink
> Issue Type: Improvement
> Components: Runtime / Web Frontend
> Affects Versions: 1.7.2, 1.8.2, 1.9.1
> Reporter: liu
> Priority: Major
> Labels: features
> Attachments: change llog level(Storm).png
>
> Original Estimate: 168h
> Remaining Estimate: 168h
>
> In a production environment, sometimes the application behaves differently
> than expected, which requires the log debugging mode to be turned on to
> locate the problem. If the debug log is turned on when the program is
> started, the amount of data will be very large, causing the web frontend to
> crash. If it is not turned on, the program is a black box and cannot be
> debugged.
> Can flink support dynamic adjustment of the log level like Storm and set the
> expiration time at the same time. the original log level will be restored as
> soon as the time expires. This will not make the program run like a black
> box, nor print too many logs.
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