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https://issues.apache.org/jira/browse/YARN-2154?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14615246#comment-14615246
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Karthik Kambatla commented on YARN-2154:
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Would be nice to discuss approaches on JIRA before putting in the effort to 
code it up. 



> FairScheduler: Improve preemption to preempt only those containers that would 
> satisfy the incoming request
> ----------------------------------------------------------------------------------------------------------
>
>                 Key: YARN-2154
>                 URL: https://issues.apache.org/jira/browse/YARN-2154
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: fairscheduler
>    Affects Versions: 2.4.0
>            Reporter: Karthik Kambatla
>            Assignee: Arun Suresh
>            Priority: Critical
>
> Today, FairScheduler uses a spray-gun approach to preemption. Instead, it 
> should only preempt resources that would satisfy the incoming request. 



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