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From "Vinod Kumar Vavilapalli (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-1856) cgroups based memory monitoring for containers
Date Wed, 19 Mar 2014 21:26:48 GMT

    [ https://issues.apache.org/jira/browse/YARN-1856?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13941018#comment-13941018
] 

Vinod Kumar Vavilapalli commented on YARN-1856:
-----------------------------------------------

When we use cgroups, we don't need (and want) explicit monitoring. Cgroups are going to constrain
memory usage of the process (and the tree) if the right values are set when creating the group.
There were some discussions on YARN-3 and related JIRAs related to this. In essence, the ContainersMonitor
is really a monitor to be used only when such a OS feature is not available to properly constrain
memory-usage.

> 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: Karthik Kambatla
>




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