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https://issues.apache.org/jira/browse/YARN-3275?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14340702#comment-14340702
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Vinod Kumar Vavilapalli commented on YARN-3275:
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bq. also over its absolute max capacity (which can happen)
This shouldn't happen?

> Preemption happening on non-preemptable queues
> ----------------------------------------------
>
>                 Key: YARN-3275
>                 URL: https://issues.apache.org/jira/browse/YARN-3275
>             Project: Hadoop YARN
>          Issue Type: Bug
>    Affects Versions: 2.7.0
>            Reporter: Eric Payne
>            Assignee: Eric Payne
>
> YARN-2056 introduced the ability to turn preemption on and off at the queue 
> level. In cases where a queue goes over its absolute max capacity (YARN:3243, 
> for example), containers can be preempted from that queue, even though the 
> queue is marked as non-preemptable.
> We are using this feature in large, busy clusters and seeing this behavior.



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