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From "Sandy Ryza (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-2413) capacity scheduler will overallocate vcores
Date Tue, 12 Aug 2014 23:52:13 GMT

    [ https://issues.apache.org/jira/browse/YARN-2413?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14094903#comment-14094903
] 

Sandy Ryza commented on YARN-2413:
----------------------------------

I don't have an opinion on whether we should keep this as the default behavior, just wanted
to clear up that it's what's expected.

> capacity scheduler will overallocate vcores
> -------------------------------------------
>
>                 Key: YARN-2413
>                 URL: https://issues.apache.org/jira/browse/YARN-2413
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: scheduler
>    Affects Versions: 3.0.0, 2.2.0
>            Reporter: Allen Wittenauer
>            Priority: Critical
>
> It doesn't appear that the capacity scheduler is properly allocating vcores when making
scheduling decisions, which may result in overallocation of CPU resources.



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