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From "Xianyin Xin (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-2154) FairScheduler: Improve preemption to preempt only those containers that would satisfy the incoming request
Date Mon, 14 Sep 2015 02:09:46 GMT

    [ https://issues.apache.org/jira/browse/YARN-2154?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14742797#comment-14742797
] 

Xianyin Xin commented on YARN-2154:
-----------------------------------

The new logic would solve the issue raised in YARN-3405 and YARN-4134. link them for tracking.

> 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
>         Attachments: YARN-2154.1.patch
>
>
> 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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