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https://issues.apache.org/jira/browse/YARN-3821?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15612973#comment-15612973
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Karthik Kambatla commented on YARN-3821:
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Over the last year, I haven't seen cases where these log messages have added
any information.
Some of these log messages have been removed or relegated to a lower level. I
am in favor of lowering the log level of the remaining.
> Scheduler spams log with messages at INFO level
> -----------------------------------------------
>
> Key: YARN-3821
> URL: https://issues.apache.org/jira/browse/YARN-3821
> Project: Hadoop YARN
> Issue Type: Improvement
> Components: capacityscheduler, fairscheduler
> Affects Versions: 2.8.0
> Reporter: Wilfred Spiegelenburg
> Assignee: Wilfred Spiegelenburg
> Priority: Minor
> Labels: oct16-easy
> Attachments: YARN-3821.patch
>
>
> The schedulers spams the logs with messages that are not providing any
> actionable information. There is no action taken in the code and there is
> nothing that needs to be done from an administrative point of view.
> Even after the improvements for the messages from YARN-3197 and YARN-3495
> administrators get confused and ask what needs to be done to prevent the log
> spam.
> Moving the messages to a debug log level makes far more sense.
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