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https://issues.apache.org/jira/browse/YARN-2019?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14638019#comment-14638019
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Hudson commented on YARN-2019:
------------------------------

SUCCESS: Integrated in Hadoop-trunk-Commit #8204 (See 
[https://builds.apache.org/job/Hadoop-trunk-Commit/8204/])
YARN-2019. Retrospect on decision of making RM crashed if any exception throw 
in ZKRMStateStore. Contributed by Jian He. (junping_du: rev 
ee98d6354bbbcd0832d3e539ee097f837e5d0e31)
* 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/resources/yarn-default.xml
* 
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-api/src/main/java/org/apache/hadoop/yarn/conf/YarnConfiguration.java
* hadoop-yarn-project/CHANGES.txt


> Retrospect on decision of making RM crashed if any exception throw in 
> ZKRMStateStore
> ------------------------------------------------------------------------------------
>
>                 Key: YARN-2019
>                 URL: https://issues.apache.org/jira/browse/YARN-2019
>             Project: Hadoop YARN
>          Issue Type: Bug
>            Reporter: Junping Du
>            Assignee: Jian He
>            Priority: Critical
>              Labels: ha
>             Fix For: 2.8.0
>
>         Attachments: YARN-2019.1-wip.patch, YARN-2019.patch, YARN-2019.patch
>
>
> Currently, if any abnormal happens in ZKRMStateStore, it will throw a fetal 
> exception to crash RM down. As shown in YARN-1924, it could due to RM HA 
> internal bug itself, but not fatal exception. We should retrospect some 
> decision here as HA feature is designed to protect key component but not 
> disturb it.



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