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https://issues.apache.org/jira/browse/YARN-4164?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15063518#comment-15063518
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Rohith Sharma K S commented on YARN-4164:
-----------------------------------------

Looking into the HadoopQA result, 
bq. -1  cc      16m 49s root-jdk1.8.0_66 with JDK v1.8.0_66 generated 2 new 
issues (was 16, now 16).
Not caused by this patch
bq. -1  javac   25m 36s root-jdk1.7.0_91 with JDK v1.7.0_91 generated 1 new 
issues (was 723, now 723).
Not caused by this patch

And test failures are not related this patch. 
YARN side test case failure JIRA's are tracked by umbrella jira YARN-4478
MapReduce test case failure are tracked by MAPREDUCE-6580 and MAPREDUCE-6579

> Retrospect update ApplicationPriority API return type
> -----------------------------------------------------
>
>                 Key: YARN-4164
>                 URL: https://issues.apache.org/jira/browse/YARN-4164
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: resourcemanager
>            Reporter: Rohith Sharma K S
>            Assignee: Rohith Sharma K S
>         Attachments: 0001-YARN-4164.patch, 0002-YARN-4164.patch, 
> 0003-YARN-4164.patch, 0004-YARN-4164.patch
>
>
> Currently {{ApplicationClientProtocol#updateApplicationPriority()}} API 
> returns empty UpdateApplicationPriorityResponse response.
> But RM update priority to the cluster.max-priority if the given priority is 
> greater than cluster.max-priority. In this scenarios, need to intimate back 
> to client that updated  priority rather just keeping quite where client 
> assumes that given priority itself is taken.
> During application submission also has same scenario can happen, but I feel 
> when 
> explicitly invoke via ApplicationClientProtocol#updateApplicationPriority(), 
> response should have updated priority in response. 



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