[jira] [Commented] (YARN-2083) In fair scheduler, Queue should not been assigned more containers when its usedResource had reach the maxResource limit

["Yi Tian (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/YARN-2083?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14026130#comment-14026130 ] 

Yi Tian commented on YARN-2083:
-------------------------------

could anyone review this patch?

> In fair scheduler, Queue should not been assigned more containers when its usedResource had reach the maxResource limit
> -----------------------------------------------------------------------------------------------------------------------
>
>                 Key: YARN-2083
>                 URL: https://issues.apache.org/jira/browse/YARN-2083
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: scheduler
>    Affects Versions: 2.3.0
>            Reporter: Yi Tian
>              Labels: assignContainer, fair, scheduler
>             Fix For: 2.3.0
>
>         Attachments: YARN-2083.patch
>
>
> In fair scheduler, FSParentQueue and FSLeafQueue do an assignContainerPreCheck to guaranty this queue is not over its limit.
> But the fitsIn function in Resource.java did not return false when the usedResource equals the maxResource.
> I think we should create a new Function "fitsInWithoutEqual" instead of "fitsIn" in this case.



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