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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-3857) Memory leak in ResourceManager with SIMPLE mode
Date Tue, 18 Aug 2015 18:35:46 GMT

    [ https://issues.apache.org/jira/browse/YARN-3857?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14701755#comment-14701755
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Hudson commented on YARN-3857:
------------------------------

FAILURE: Integrated in Hadoop-trunk-Commit #8317 (See [https://builds.apache.org/job/Hadoop-trunk-Commit/8317/])
YARN-3857: Memory leak in ResourceManager with SIMPLE mode. Contributed by mujunchao. (zxu:
rev 3a76a010b85176f2bcb85ed6f74c25dcb8acfe4d)
* 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/attempt/TestRMAppAttemptTransitions.java
* hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/security/ClientToAMTokenSecretManagerInRM.java
* hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/attempt/RMAppAttemptImpl.java


> Memory leak in ResourceManager with SIMPLE mode
> -----------------------------------------------
>
>                 Key: YARN-3857
>                 URL: https://issues.apache.org/jira/browse/YARN-3857
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: resourcemanager
>    Affects Versions: 2.7.0
>            Reporter: mujunchao
>            Assignee: mujunchao
>            Priority: Critical
>              Labels: patch
>         Attachments: YARN-3857-1.patch, YARN-3857-2.patch, YARN-3857-3.patch, YARN-3857-4.patch,
hadoop-yarn-server-resourcemanager.patch
>
>
>  We register the ClientTokenMasterKey to avoid client may hold an invalid ClientToken
after RM restarts. In SIMPLE mode, we register Pair<ApplicationAttemptId, null> ,  But
we never remove it from HashMap, as unregister only runing while in Security mode, so memory
leak coming. 



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