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From "Vinod Kumar Vavilapalli (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-2194) Add Cgroup support for RedHat 7
Date Thu, 07 May 2015 17:49:01 GMT

    [ https://issues.apache.org/jira/browse/YARN-2194?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14533075#comment-14533075
] 

Vinod Kumar Vavilapalli commented on YARN-2194:
-----------------------------------------------

Is there no API that we can use instead of spawning shells to set this up?

We should have some auto-detection to chose the right plugin for the right OS.

IAC, YARN-3443 changed the way resource isolation code is organized in the ResourceManager.
YARN-3542 is migrating existing cgroups+cpu support to the new layout. We need to relook at
this patch in light of those changes.

> Add Cgroup support for RedHat 7
> -------------------------------
>
>                 Key: YARN-2194
>                 URL: https://issues.apache.org/jira/browse/YARN-2194
>             Project: Hadoop YARN
>          Issue Type: Improvement
>            Reporter: Wei Yan
>            Assignee: Wei Yan
>         Attachments: YARN-2194-1.patch
>
>
>    In previous versions of RedHat, we can build custom cgroup hierarchies with use of
the cgconfig command from the libcgroup package. From RedHat 7, package libcgroup is deprecated
and it is not recommended to use it since it can easily create conflicts with the default
cgroup hierarchy. The systemd is provided and recommended for cgroup management. We need to
add support for this.



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