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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-2853) Killing app may hang while AM is unregistering
Date Fri, 14 Nov 2014 15:25:45 GMT

    [ https://issues.apache.org/jira/browse/YARN-2853?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14212389#comment-14212389
] 

Hudson commented on YARN-2853:
------------------------------

SUCCESS: Integrated in Hadoop-Mapreduce-trunk-Java8 #5 (See [https://builds.apache.org/job/Hadoop-Mapreduce-trunk-Java8/5/])
YARN-2853. Fixed a bug in ResourceManager causing apps to hang when the user kill request
races with ApplicationMaster finish. Contributed by Jian He. (vinodkv: rev 3651fe1b089851b38be351c00a9899817166bf3e)
* hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/RMAppImpl.java
* hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestRM.java
* hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/ApplicationMasterService.java
* hadoop-yarn-project/CHANGES.txt
* hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/TestRMAppTransitions.java
YARN-2853. Merging to branch-2.6 for hadoop-2.6.0-rc1. (acmurthy: rev d648e60ebab7f1942dba92e9cd2cb62b8d70419b)
* hadoop-yarn-project/CHANGES.txt


> Killing app may hang while AM is unregistering
> ----------------------------------------------
>
>                 Key: YARN-2853
>                 URL: https://issues.apache.org/jira/browse/YARN-2853
>             Project: Hadoop YARN
>          Issue Type: Bug
>            Reporter: Jian He
>            Assignee: Jian He
>             Fix For: 2.6.0
>
>         Attachments: YARN-2853.1.patch, YARN-2853.1.patch, YARN-2853.2.patch, YARN-2853.3.patch
>
>
> When killing an app, app first moves to KILLING state, If RMAppAttempt receives the attempt_unregister
event before attempt_kill event,  it'll ignore the later attempt_kill event.  Hence, RMApp
won't be able to move to KILLED state and stays at KILLING state forever.



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