[ 
https://issues.apache.org/jira/browse/YARN-2644?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14161174#comment-14161174
 ] 

Hudson commented on YARN-2644:
------------------------------

SUCCESS: Integrated in Hadoop-trunk-Commit #6202 (See 
[https://builds.apache.org/job/Hadoop-trunk-Commit/6202/])
YARN-2644. Fixed CapacityScheduler to return up-to-date headroom when AM 
allocates. Contributed by Craig Welch (jianhe: rev 
519e5a7dd2bd540105434ec3c8939b68f6c024f8)
* 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/CapacityScheduler.java
* hadoop-yarn-project/CHANGES.txt
* 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/common/fica/FiCaSchedulerApp.java
* 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/LeafQueue.java
* 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/CapacityHeadroomProvider.java
* 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestApplicationLimits.java
* 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestLeafQueue.java


> Recalculate headroom more frequently to keep it accurate
> --------------------------------------------------------
>
>                 Key: YARN-2644
>                 URL: https://issues.apache.org/jira/browse/YARN-2644
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>            Reporter: Craig Welch
>            Assignee: Craig Welch
>             Fix For: 2.6.0
>
>         Attachments: YARN-2644.11.patch, YARN-2644.14.patch, 
> YARN-2644.15.patch, YARN-2644.15.patch
>
>
> See parent (1198) for more detail - this specifically covers calculating the 
> headroom more frequently, to cover the cases where changes have occurred 
> which impact headroom but which are not reflected due to an application not 
> being updated.



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