[ https://issues.apache.org/jira/browse/YARN-9681?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16887083#comment-16887083 ] 

ANANDA G B commented on YARN-9681:
----------------------------------

I have partition like below:

!image-2019-07-17-19-43-16-718.png!

When we submit a app to queue1 in pool1, the LeafQueue.assignContainers function will update cachedResourceLimitsForHeadroom to nodelabel pool1's resource 8196.


Then LeafQueue.activateApplications function calculate the 'Maximum Application Master Resources' of DEFAULT_PARTITION using cachedResourceLimitsForHeadroom, which is wrong.


So, Each nodelabel should have its own cachedResourceLimitsForHeadroom. So it can be a ConcurrentHashMap where key is nodelabel and value is ResourceLimits.

> AM resource limit is incorrect for queue
> ----------------------------------------
>
>                 Key: YARN-9681
>                 URL: https://issues.apache.org/jira/browse/YARN-9681
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: resourcemanager
>    Affects Versions: 3.1.2
>            Reporter: ANANDA G B
>            Priority: Major
>         Attachments: After running job on queue1.png, Before running job on queue1.png
>
>
> After running the job on Queue1 of Partition1, then Queue1 of DEFAULT_PARTITION's 'Max Application Master Resources' is calculated wrongly. Please find the attachement.



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