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https://issues.apache.org/jira/browse/YARN-3941?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14639156#comment-14639156
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Sunil G commented on YARN-3941:
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Thank you very much [~leftnoteasy] for the review and commit.
> Proportional Preemption policy should try to avoid sending duplicate
> PREEMPT_CONTAINER event to scheduler
> ---------------------------------------------------------------------------------------------------------
>
> Key: YARN-3941
> URL: https://issues.apache.org/jira/browse/YARN-3941
> Project: Hadoop YARN
> Issue Type: Bug
> Components: capacityscheduler
> Affects Versions: 2.7.1
> Reporter: Sunil G
> Assignee: Sunil G
> Fix For: 2.8.0
>
> Attachments: 0001-YARN-3941.patch
>
>
> Currently ProportionalCPP tries to send multiple PREEMPT_CONTAINER events to
> scheduler during every cycle of preemption check till the container is either
> forcefully killed or preempted by AM.
> This can be throttled from ProportionalPreemptionPolicy to avoid excess of
> events to scheduler.
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