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From "Karthik Kambatla (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-4599) Set OOM control for memory cgroups
Date Fri, 22 Apr 2016 18:09:13 GMT

    [ https://issues.apache.org/jira/browse/YARN-4599?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15254348#comment-15254348
] 

Karthik Kambatla commented on YARN-4599:
----------------------------------------

FWIW, just posted the not useful version of the patch. 

> Set OOM control for memory cgroups
> ----------------------------------
>
>                 Key: YARN-4599
>                 URL: https://issues.apache.org/jira/browse/YARN-4599
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: nodemanager
>    Affects Versions: 2.9.0
>            Reporter: Karthik Kambatla
>            Assignee: Karthik Kambatla
>         Attachments: yarn-4599-not-so-useful.patch
>
>
> YARN-1856 adds memory cgroups enforcing support. We should also explicitly set OOM control
so that containers are not killed as soon as they go over their usage. Today, one could set
the swappiness to control this, but clusters with swap turned off exist.



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