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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-2249) AM release request may be lost on RM restart
Date Wed, 20 Aug 2014 14:12:28 GMT

    [ 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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