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https://issues.apache.org/jira/browse/YARN-9005?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wanqiang Ji updated YARN-9005:
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Attachment: YARN-9005.002.patch
> FairScheduler maybe preempt the AM container
> --------------------------------------------
>
> Key: YARN-9005
> URL: https://issues.apache.org/jira/browse/YARN-9005
> Project: Hadoop YARN
> Issue Type: Bug
> Components: fairscheduler, scheduler preemption
> Reporter: Wanqiang Ji
> Assignee: Wanqiang Ji
> Priority: Major
> Attachments: YARN-9005.001.patch, YARN-9005.002.patch
>
>
> In the worst case, FS preempt the AM container. Due to
> FSPreemptionThread#identifyContainersToPreempt return value contains AM
> container.
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