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From "Weiwei Yang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-8858) CapacityScheduler should respect maximum node resource when per-queue maximum-allocation is being used.
Date Wed, 10 Oct 2018 02:55:00 GMT

    [ https://issues.apache.org/jira/browse/YARN-8858?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16644375#comment-16644375
] 

Weiwei Yang commented on YARN-8858:
-----------------------------------

Hi [~leftnoteasy], the patch has conflict to branch-2.8, could you pls take a look at the
patch I just uploaded for branch-2.8, and let me know if that is good to port back to that
branch. Thanks.

> CapacityScheduler should respect maximum node resource when per-queue maximum-allocation
is being used.
> -------------------------------------------------------------------------------------------------------
>
>                 Key: YARN-8858
>                 URL: https://issues.apache.org/jira/browse/YARN-8858
>             Project: Hadoop YARN
>          Issue Type: Bug
>            Reporter: Sumana Sathish
>            Assignee: Wangda Tan
>            Priority: Critical
>             Fix For: 2.10.0, 3.2.0, 2.9.2, 3.0.4, 3.1.2, 3.3.0
>
>         Attachments: YARN-8858-branch-2.8.001.patch, YARN-8858.001.patch, YARN-8858.002.patch
>
>
> This issue happens after YARN-8720.
> Before that, AMS uses scheduler.getMaximumAllocation to do the normalization. After that,
AMS uses LeafQueue.getMaximumAllocation. The scheduler one uses nodeTracker.getMaximumAllocation,
but the LeafQueue.getMaximum doesn't. 
> We should use the scheduler.getMaximumAllocation to cap the per-queue's maximum-allocation
every time.



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