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https://issues.apache.org/jira/browse/YARN-7746?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16713086#comment-16713086
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Manikandan R commented on YARN-7746:
------------------------------------

Thanks [~cheersyang] for taking a look.

Since this processor is directly calling {{Scheduler#attemptAllocationOnNode}} 
for each scheduling requests, am not able to get your point. Can you please 
elaborate? Also, YARN-1963 is taking care of app priorities in Queues.

> Fix PlacementProcessor to support app priority
> ----------------------------------------------
>
>                 Key: YARN-7746
>                 URL: https://issues.apache.org/jira/browse/YARN-7746
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>            Reporter: Arun Suresh
>            Assignee: Manikandan R
>            Priority: Major
>         Attachments: YARN-7746.001.patch, YARN-7746.002.patch
>
>
> The Threadpools used in the Processor should be modified to take a priority 
> blocking queue that respects application priority.



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