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From "Haibo Chen (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-4599) Set OOM control for memory cgroups
Date Wed, 23 May 2018 23:38:00 GMT

    [ https://issues.apache.org/jira/browse/YARN-4599?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16488210#comment-16488210
] 

Haibo Chen commented on YARN-4599:
----------------------------------

Thanks [~sandflee] for the initial proposal, [~miklos.szegedi@cloudera.com] for the patch
and everyone else for the discussion! I have now committed the patch to trunk!

> Set OOM control for memory cgroups
> ----------------------------------
>
>                 Key: YARN-4599
>                 URL: https://issues.apache.org/jira/browse/YARN-4599
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: nodemanager
>    Affects Versions: 2.9.0
>            Reporter: Karthik Kambatla
>            Assignee: Miklos Szegedi
>            Priority: Major
>              Labels: oct16-medium
>             Fix For: 3.2.0
>
>         Attachments: Elastic Memory Control in YARN.pdf, YARN-4599.000.patch, YARN-4599.001.patch,
YARN-4599.002.patch, YARN-4599.003.patch, YARN-4599.004.patch, YARN-4599.005.patch, YARN-4599.006.patch,
YARN-4599.007.patch, YARN-4599.008.patch, YARN-4599.009.patch, YARN-4599.010.patch, YARN-4599.011.patch,
YARN-4599.012.patch, YARN-4599.013.patch, YARN-4599.014.patch, YARN-4599.015.patch, YARN-4599.016.patch,
YARN-4599.sandflee.patch, 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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