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https://issues.apache.org/jira/browse/YARN-3294?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14358821#comment-14358821
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Varun Vasudev commented on YARN-3294:
-------------------------------------

The uploaded patch will dump debug logs for the capacity scheduler to 
"yarn-capacity-scheduler-debug.log" in the logs directory. Older logs will be 
overwritten and not rotated.

> Allow dumping of Capacity Scheduler debug logs via web UI for a fixed time 
> period
> ---------------------------------------------------------------------------------
>
>                 Key: YARN-3294
>                 URL: https://issues.apache.org/jira/browse/YARN-3294
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: capacityscheduler
>            Reporter: Varun Vasudev
>            Assignee: Varun Vasudev
>         Attachments: Screen Shot 2015-03-12 at 8.51.25 PM.png, 
> apache-yarn-3294.0.patch
>
>
> It would be nice to have a button on the web UI that would allow dumping of 
> debug logs for just the capacity scheduler for a fixed period of time(1 min, 
> 5 min or so) in a separate log file. It would be useful when debugging 
> scheduler behavior without affecting the rest of the resourcemanager.



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