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From "Yufei Gu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-7534) Fair scheduler assign resources may exceed maxResources
Date Mon, 20 Nov 2017 17:33:00 GMT

    [ https://issues.apache.org/jira/browse/YARN-7534?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16259530#comment-16259530
] 

Yufei Gu commented on YARN-7534:
--------------------------------

Thanks [~wilfreds] for pointing out. {{FSQueue#fitsInMaxShare}} does check the max resource
by recursively bottom-up traversing schedulable tree. I goofed.

> Fair scheduler assign resources may exceed maxResources
> -------------------------------------------------------
>
>                 Key: YARN-7534
>                 URL: https://issues.apache.org/jira/browse/YARN-7534
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: fairscheduler
>            Reporter: YunFan Zhou
>            Assignee: Wilfred Spiegelenburg
>
> The logic we're scheduling now is to check whether the resources used by the queue has
exceeded *maxResources* before assigning the container. This will leads to the fact that after
assigning this container the queue uses more resources than *maxResources*.



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