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https://issues.apache.org/jira/browse/YARN-6952?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16133638#comment-16133638
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Daniel Templeton commented on YARN-6952:
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+1 on the branch-2 patch. Feel free to commit it.
> Enable scheduling monitor in FS
> -------------------------------
>
> Key: YARN-6952
> URL: https://issues.apache.org/jira/browse/YARN-6952
> Project: Hadoop YARN
> Issue Type: Improvement
> Components: fairscheduler, resourcemanager
> Affects Versions: 3.0.0-alpha4
> Reporter: Yufei Gu
> Assignee: Yufei Gu
> Fix For: 3.0.0-beta1
>
> Attachments: YARN-6952.001.patch, YARN-6952.branch-2.001.patch
>
>
> {{SchedulingEditPolicy#init}} doesn't need to take interface
> {{PreemptableResourceScheduler}} as the scheduler input. A ResourceScheduler
> is good enough. With that change, fair scheduler is able to use scheduling
> monitor(e.g. invariant checks) as CS does. Further more, there is no need for
> interface {{PreemptableResourceScheduler}}.
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