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https://issues.apache.org/jira/browse/YARN-10315?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17143537#comment-17143537
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yehuanhuan commented on YARN-10315:
-----------------------------------

Can it be solved by comparing node resource usage before and after processing 
the completed container at AbstractYarnScheduler#nodeUpdate?

> Avoid sending RMNodeResoureupdate event if resource is same
> -----------------------------------------------------------
>
>                 Key: YARN-10315
>                 URL: https://issues.apache.org/jira/browse/YARN-10315
>             Project: Hadoop YARN
>          Issue Type: Improvement
>            Reporter: Bibin Chundatt
>            Assignee: Sushil Ks
>            Priority: Major
>
> When the node is in DECOMMISSIONING state the RMNodeResourceUpdateEvent is 
> send for every heartbeat . Which will result in scheduler resource update.
> Avoid sending the same.
>  Scheduler node resource update iterates through all the queues for resource 
> update which is costly..



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