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https://issues.apache.org/jira/browse/YARN-3769?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Eric Payne updated YARN-3769:
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Attachment: YARN-3769.003.patch
> 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
> Attachments: YARN-3769-branch-2.002.patch,
> YARN-3769-branch-2.7.002.patch, YARN-3769-branch-2.7.003.patch,
> YARN-3769.001.branch-2.7.patch, YARN-3769.001.branch-2.8.patch,
> YARN-3769.003.patch
>
>
> 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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