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Date: Wed, 20 Aug 2014 14:12:28 +0000 (UTC)
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Subject: [jira] [Commented] (YARN-2249) AM release request may be lost on RM
 restart
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    [ https://issues.apache.org/jira/browse/YARN-2249?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14103912#comment-14103912 ] 

Hudson commented on YARN-2249:
------------------------------

SUCCESS: Integrated in Hadoop-Yarn-trunk #652 (See [https://builds.apache.org/job/Hadoop-Yarn-trunk/652/])
YARN-2249. Avoided AM release requests being lost on work preserving RM restart. Contributed by Jian He. (zjshen: http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1618972)
* /hadoop/common/trunk/hadoop-tools/hadoop-sls/src/main/java/org/apache/hadoop/yarn/sls/scheduler/ResourceSchedulerWrapper.java
* /hadoop/common/trunk/hadoop-yarn-project/CHANGES.txt
* /hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/AbstractYarnScheduler.java
* /hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/SchedulerApplicationAttempt.java
* /hadoop/common/trunk/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/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/FairScheduler.java
* /hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fifo/FifoScheduler.java
* /hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/MockAM.java
* /hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestApplicationMasterService.java
* /hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestRMRestart.java
* /hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestWorkPreservingRMRestart.java


> AM release request may be lost on RM restart
> --------------------------------------------
>
>                 Key: YARN-2249
>                 URL: https://issues.apache.org/jira/browse/YARN-2249
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: resourcemanager
>            Reporter: Jian He
>            Assignee: Jian He
>             Fix For: 2.6.0
>
>         Attachments: YARN-2249.1.patch, YARN-2249.1.patch, YARN-2249.2.patch, YARN-2249.2.patch, YARN-2249.3.patch, YARN-2249.4.patch, YARN-2249.5.patch
>
>
> AM resync on RM restart will send outstanding container release requests back to the new RM. In the meantime, NMs report the container statuses back to RM to recover the containers. If RM receives the container release request  before the container is actually recovered in scheduler, the container won't be released and the release request will be lost.


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