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https://issues.apache.org/jira/browse/YARN-3769?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14573667#comment-14573667
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Wangda Tan commented on YARN-3769:
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[~eepayne], Exactly.
> Preemption occurring unnecessarily because preemption doesn't consider user
> limit
> ---------------------------------------------------------------------------------
>
> Key: YARN-3769
> URL: https://issues.apache.org/jira/browse/YARN-3769
> Project: Hadoop YARN
> Issue Type: Bug
> Components: capacityscheduler
> Affects Versions: 2.6.0, 2.7.0, 2.8.0
> Reporter: Eric Payne
> Assignee: Eric Payne
>
> We are seeing the preemption monitor preempting containers from queue A and
> then seeing the capacity scheduler giving them immediately back to queue A.
> This happens quite often and causes a lot of churn.
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