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From "Arun Suresh (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, 06 Jul 2015 16:00:06 GMT

    [ https://issues.apache.org/jira/browse/YARN-2154?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14615228#comment-14615228
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Arun Suresh commented on YARN-2154:
-----------------------------------

This looks like it is required for a complete solution to YARN-3453
[~kasha], Thanks for proposing this. If are you working on this actively, do you mind if I
take it up ? I have a couple of ideas.

> 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: Karthik Kambatla
>            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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