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https://issues.apache.org/jira/browse/YARN-1241?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13797442#comment-13797442
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Sandy Ryza commented on YARN-1241:
----------------------------------

Uploaded a new patch that
* Removes the false change lines
* Make all the methods in MaxRunningAppsEnforcer take an FSSchedulerApp

I think we should keep tracking non runnable apps in FSLeafQueue because 
they're used there for both demand calculation and displaying the number of 
running vs. pending apps in the web UI.

> In Fair Scheduler maxRunningApps does not work for non-leaf queues
> ------------------------------------------------------------------
>
>                 Key: YARN-1241
>                 URL: https://issues.apache.org/jira/browse/YARN-1241
>             Project: Hadoop YARN
>          Issue Type: Bug
>    Affects Versions: 2.1.0-beta
>            Reporter: Sandy Ryza
>            Assignee: Sandy Ryza
>         Attachments: YARN-1241-1.patch, YARN-1241-2.patch, YARN-1241-3.patch, 
> YARN-1241-4.patch, YARN-1241-5.patch, YARN-1241-6.patch, YARN-1241.patch
>
>
> Setting the maxRunningApps property on a parent queue should make it that the 
> sum of apps in all subqueues can't exceed it



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