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https://issues.apache.org/jira/browse/YARN-2432?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Varun Saxena updated YARN-2432:
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Summary: RMStateStore should process the pending events before clo (was:
RMStateStore should process the pending events before close)
> RMStateStore should process the pending events before clo
> ---------------------------------------------------------
>
> 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
>
> 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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