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From "Inigo Goiri (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-4512) Provide a knob to turn on over-allocation
Date Mon, 25 Jan 2016 18:30:40 GMT

    [ https://issues.apache.org/jira/browse/YARN-4512?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15115711#comment-15115711

Inigo Goiri commented on YARN-4512:

I'm OK with not using the {{ResourceOption}} approach itself. I'm more concerned about sending
the over-allocation value on the heartbeat; wouldn't make more sense to send it on registration?
The restart approach you mention would work there.

Other than that, it looks good.

> 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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