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https://issues.apache.org/jira/browse/YARN-2056?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14105686#comment-14105686
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Eric Payne commented on YARN-2056:
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[~leftnoteasy]], actually, since 
{{ProportionalCapacityPreemptionPolicy#cloneQueues}} is recursive (stopping at 
the leaf queue), there's not an easy way to "skip" a leaf queue inside 
{{ProportionalCapacityPreemptionPolicy#cloneQueues}}. I think the 
disablePreempt value needs to be stored with each TempQueue object and then 
processed in 
{{ProportionalCapacityPreemptionPolicy#recursivelyComputeIdealAssignment}}.

Is that right?

> Disable preemption at Queue level
> ---------------------------------
>
>                 Key: YARN-2056
>                 URL: https://issues.apache.org/jira/browse/YARN-2056
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: resourcemanager
>    Affects Versions: 2.4.0
>            Reporter: Mayank Bansal
>            Assignee: Eric Payne
>         Attachments: YARN-2056.201408202039.txt
>
>
> We need to be able to disable preemption at individual queue level



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