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From "Karthik Kambatla (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-1856) cgroups based memory monitoring for containers
Date Mon, 04 Jan 2016 16:59:40 GMT

    [ https://issues.apache.org/jira/browse/YARN-1856?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15081359#comment-15081359
] 

Karthik Kambatla commented on YARN-1856:
----------------------------------------

Was catching up on YARN-3 (the JIRA that added cgroups) to see why we decided to not use it
for enforcing memory. [~bikassaha] has some [valid points|https://issues.apache.org/jira/browse/YARN-3?focusedCommentId=13414567&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-13414567]
on not letting the kernel (through cgroups) kill processes that go over their allocated limits.

To get the best of both worlds: I feel we should disable oom_control so the processes are
paused but not killed. Thoughts? 

> cgroups based memory monitoring for containers
> ----------------------------------------------
>
>                 Key: YARN-1856
>                 URL: https://issues.apache.org/jira/browse/YARN-1856
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: nodemanager
>    Affects Versions: 2.3.0
>            Reporter: Karthik Kambatla
>            Assignee: Varun Vasudev
>             Fix For: 2.9.0
>
>         Attachments: YARN-1856.001.patch, YARN-1856.002.patch, YARN-1856.003.patch, YARN-1856.004.patch
>
>




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