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https://issues.apache.org/jira/browse/YARN-1856?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13941018#comment-13941018
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Vinod Kumar Vavilapalli commented on YARN-1856:
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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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