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https://issues.apache.org/jira/browse/YARN-1506?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13855513#comment-13855513
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Junping Du commented on YARN-1506:
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Hi [~bikassaha], thanks for comments. You are right that if we don't go through 
resource update to RMNode first, overcommitment timeout may not be useful to 
RMNode. However, I would prefer this timeout to be a per operation behavior 
rather than cluster configuration as user have flexibility to tell YARN how 
urgent he want to balloon out resources. Thoughts?

> Replace set resource change on RMNode/SchedulerNode directly with event 
> notification.
> -------------------------------------------------------------------------------------
>
>                 Key: YARN-1506
>                 URL: https://issues.apache.org/jira/browse/YARN-1506
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: nodemanager, scheduler
>            Reporter: Junping Du
>            Assignee: Junping Du
>            Priority: Blocker
>
> According to Vinod's comments on YARN-312 
> (https://issues.apache.org/jira/browse/YARN-312?focusedCommentId=13846087&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-13846087),
>  we should replace RMNode.setResourceOption() with some resource change event.



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