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https://issues.apache.org/jira/browse/YARN-2432?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14213253#comment-14213253
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Hudson commented on YARN-2432:
------------------------------
FAILURE: Integrated in Hadoop-trunk-Commit #6553 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/6553/])
YARN-2432. RMStateStore should process the pending events before close.
Contributed by Varun Saxena (jianhe: rev
9b860661a5754e829bd8c34ef092757421589bbe)
*
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/CHANGES.txt
> RMStateStore should process the pending events before close
> -----------------------------------------------------------
>
> Key: YARN-2432
> URL: https://issues.apache.org/jira/browse/YARN-2432
> Project: Hadoop YARN
> Issue Type: Bug
> Components: resourcemanager
> Reporter: Varun Saxena
> Assignee: Varun Saxena
> Fix For: 2.7.0
>
> Attachments: YARN-2432.patch
>
>
> Refer to discussion on YARN-2136
> (https://issues.apache.org/jira/browse/YARN-2136?focusedCommentId=14097266&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-14097266).
>
> As pointed out by [~jianhe], we should process the dispatcher event queue
> before closing the state store by flipping over the following statements in
> code.
> {code:title=RMStateStore.java|borderStyle=solid}
> protected void serviceStop() throws Exception {
> closeInternal();
> dispatcher.stop();
> }
> {code}
> Currently, if the state store is being stopped on events such as switching to
> standby, it will first close the state store(in case of ZKRMStateStore, close
> connection with ZK) and then process the pending events. Instead, we should
> first process the pending events and then call close.
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