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From "Wangda Tan (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-4512) Provide a knob to turn on over-allocation
Date Fri, 15 Jan 2016 02:59:39 GMT

    [ https://issues.apache.org/jira/browse/YARN-4512?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15101110#comment-15101110
] 

Wangda Tan commented on YARN-4512:
----------------------------------

Thanks [~elgoiri], I don't have strong opinion regarding to use ResourceOption/node-heartbeat
to update thresholds. 

> Provide a knob to turn on over-allocation
> -----------------------------------------
>
>                 Key: YARN-4512
>                 URL: https://issues.apache.org/jira/browse/YARN-4512
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: nodemanager
>            Reporter: Karthik Kambatla
>            Assignee: Karthik Kambatla
>         Attachments: YARN-4512-YARN-1011.001.patch, yarn-4512-yarn-1011.002.patch, yarn-4512-yarn-1011.003.patch
>
>
> We need two configs for overallocation - one to specify the threshold upto which it is
okay to over-allocate, another to specify the threshold after which OPPORTUNISTIC containers
should be preempted.



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