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https://issues.apache.org/jira/browse/FLINK-20911?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17262419#comment-17262419
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Yun Tang commented on FLINK-20911:
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I think the log level should be configurable and we could add warnings within
related option to tell users set other level carefully.
Do you like to take this ticket [~fanrui] ?
> Support to modify RocksDB LOG level
> -----------------------------------
>
> Key: FLINK-20911
> URL: https://issues.apache.org/jira/browse/FLINK-20911
> Project: Flink
> Issue Type: Improvement
> Components: Runtime / State Backends
> Affects Versions: 1.13.0, 1.12.1
> Reporter: fanrui
> Priority: Major
>
> The LOG level of RocksDB is hard-coded and is always HEADER_LEVEL. Sometimes
> RocksDB becomes unstable due to unreasonable parameter settings, and the
> problem can be reproduced after restart. At this time, you may need to check
> some LOGs to troubleshoot.
> It may be better if the LOG level of RocksDB can be adjusted. Of course, the
> default LOG level is still HEADER_LEVEL. When dealing with problems, it can
> be adjusted to DEBUG_LEVEL.
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