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https://issues.apache.org/jira/browse/YARN-460?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13597237#comment-13597237
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Thomas Graves commented on YARN-460:
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Just for reference the RM log shows the application removed:
2013-02-27 06:59:50,390 [ResourceManager Event Processor] INFO 
org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.LeafQueue: 
Application removed - appId: application_1360172387725_270658 user: userfoo 
queue: adhoc #user-pending-applications: 0 #user-active-applications: 5 
#queue-pending-applications: 0 #queue-active-applications: 25

Unfortunately the allocate call only logs at DEBUG level and we are at INFO 
level.
                
> CS user left in list of active users for the queue even when application 
> finished
> ---------------------------------------------------------------------------------
>
>                 Key: YARN-460
>                 URL: https://issues.apache.org/jira/browse/YARN-460
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: capacityscheduler
>    Affects Versions: 0.23.7, 2.0.4-alpha
>            Reporter: Thomas Graves
>            Assignee: Thomas Graves
>            Priority: Critical
>
> We have seen a user get left in the queues list of active users even though 
> the application was removed. This can cause everyone else in the queue to get 
> less resources if using the minimum user limit percent config.

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