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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 23:50:12 GMT

    [ https://issues.apache.org/jira/browse/YARN-2413?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14094899#comment-14094899
] 

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

I believe this is the expected behavior (i.e. Capacity Scheduler by default doesn't use vcores
in scheduling).

> 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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