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From "sandflee (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-4599) Set OOM control for memory cgroups
Date Wed, 15 Mar 2017 07:40:41 GMT

    [ https://issues.apache.org/jira/browse/YARN-4599?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15925683#comment-15925683
] 

sandflee commented on YARN-4599:
--------------------------------

Hi, [~miklos.szegedi@cloudera.com],  I think the first thing is whether  community accept
this propose, if yes, we could push forward, if not it will be a burden to keep the patch
with the trunk. Thought?
 use Linux Container Executor seems simple the code but will use a new process additionally,
I'm ok to both.

> 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: sandflee
>              Labels: oct16-medium
>         Attachments: yarn-4599-not-so-useful.patch, YARN-4599.sandflee.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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