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https://issues.apache.org/jira/browse/YARN-2394?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wei Yan updated YARN-2394:
--------------------------

    Attachment: YARN-2394-3.patch

Update a patch based on YARN-2395.

> FairScheduler: Configure fairSharePreemptionThreshold per queue
> ---------------------------------------------------------------
>
>                 Key: YARN-2394
>                 URL: https://issues.apache.org/jira/browse/YARN-2394
>             Project: Hadoop YARN
>          Issue Type: New Feature
>          Components: fairscheduler
>            Reporter: Ashwin Shankar
>            Assignee: Wei Yan
>         Attachments: YARN-2394-1.patch, YARN-2394-2.patch, YARN-2394-3.patch
>
>
> Preemption based on fair share starvation happens when usage of a queue is 
> less than 50% of its fair share. This 50% is hardcoded. We'd like to make 
> this configurable on a per queue basis, so that we can choose the threshold 
> at which we want to preempt. Calling this config 
> "fairSharePreemptionThreshold". 



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