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https://issues.apache.org/jira/browse/YARN-4164?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15064915#comment-15064915
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Hudson commented on YARN-4164:
------------------------------

SUCCESS: Integrated in Hadoop-trunk-Commit #8999 (See 
[https://builds.apache.org/job/Hadoop-trunk-Commit/8999/])
YARN-4164. Changed updateApplicationPriority API to return the updated (jianhe: 
rev 85c24660481f33684a42a7f6d665d3117577c780)
* 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/java/org/apache/hadoop/yarn/client/api/YarnClient.java
* 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/java/org/apache/hadoop/yarn/client/cli/ApplicationCLI.java
* 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestClientRMService.java
* 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/ClientRMService.java
* 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/java/org/apache/hadoop/yarn/client/api/impl/YarnClientImpl.java
* 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/proto/yarn_service_protos.proto
* 
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/main/java/org/apache/hadoop/mapred/ResourceMgrDelegate.java
* hadoop-yarn-project/CHANGES.txt
* 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/UpdateApplicationPriorityResponse.java
* 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/impl/pb/UpdateApplicationPriorityResponsePBImpl.java


> 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
>             Fix For: 2.8.0
>
>         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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