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https://issues.apache.org/jira/browse/YARN-3410?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14506868#comment-14506868
 ] 

Hudson commented on YARN-3410:
------------------------------

FAILURE: Integrated in Hadoop-Hdfs-trunk #2103 (See 
[https://builds.apache.org/job/Hadoop-Hdfs-trunk/2103/])
YARN-3410. YARN admin should be able to remove individual application records 
from RMStateStore. (Rohith Sharmaks via wangda) (wangda: rev 
e71d0d87d9b388f211a8eb3d2cd9af347abf9bda)
* 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/FileSystemRMStateStore.java
* 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/TestLeveldbRMStateStore.java
* 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/TestFSRMStateStore.java
* 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.java
* 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/TestZKRMStateStore.java
* hadoop-yarn-project/hadoop-yarn/bin/yarn
* 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/MemoryRMStateStore.java
* 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-site/src/site/markdown/YarnCommands.md
* 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/LeveldbRMStateStore.java
* 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/NullRMStateStore.java
* 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/ZKRMStateStore.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/recovery/RMStateStoreTestBase.java
* 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/ResourceManager.java
YARN-3410. Addendum fix for compilation error. Contributed by Rohith. 
(aajisaka: rev b08908ae5eaf60a7fc70bf60493a533e915553c5)
* 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-site/src/site/markdown/YarnCommands.md


> YARN admin should be able to remove individual application records from 
> RMStateStore
> ------------------------------------------------------------------------------------
>
>                 Key: YARN-3410
>                 URL: https://issues.apache.org/jira/browse/YARN-3410
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: resourcemanager, yarn
>            Reporter: Wangda Tan
>            Assignee: Rohith
>            Priority: Critical
>             Fix For: 2.8.0
>
>         Attachments: 0001-YARN-3410-v1.patch, 0001-YARN-3410.patch, 
> 0001-YARN-3410.patch, 0002-YARN-3410.patch, 0003-YARN-3410.patch, 
> 0004-YARN-3410-addendum-branch-2.patch, 0004-YARN-3410-addendum.patch, 
> 0004-YARN-3410-branch-2.patch, 0004-YARN-3410.patch
>
>
> When RM state store entered an unexpected state, one example is YARN-2340, 
> when an attempt is not in final state but app already completed, RM can never 
> get up unless format RMStateStore.
> I think we should support remove individual application records from 
> RMStateStore to unblock RM admin make choice of either waiting for a fix or 
> format state store.
> In addition, RM should be able to report all fatal errors (which will 
> shutdown RM) when doing app recovery, this can save admin some time to remove 
> apps in bad state.



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