[ 
https://issues.apache.org/jira/browse/YARN-3857?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14703343#comment-14703343
 ] 

Hudson commented on YARN-3857:
------------------------------

FAILURE: Integrated in Hadoop-Mapreduce-trunk #2238 (See 
[https://builds.apache.org/job/Hadoop-Mapreduce-trunk/2238/])
YARN-3857: Memory leak in ResourceManager with SIMPLE mode. Contributed by 
mujunchao. (zxu: rev 3a76a010b85176f2bcb85ed6f74c25dcb8acfe4d)
* 
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/CHANGES.txt
* 
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
* 
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


> 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
>             Fix For: 2.7.2
>
>         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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