[jira] [Commented] (YARN-2136) RMStateStore can explicitly handle store/update events when fenced

[Jian He (JIRA)]

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https://issues.apache.org/jira/browse/YARN-2136?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14097266#comment-14097266
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Jian He commented on YARN-2136:
-------------------------------

bq. Hence dispatcher queue draining shouldn't matter as ZKClient is already 
closed.
After checking the code, I think we should flip the order "closeInternal()" and 
"dispatcher.stop();"  right?
{code}
  protected void serviceStop() throws Exception {
    closeInternal();
    dispatcher.stop();
  }
{code}

> RMStateStore can explicitly handle store/update events when fenced
> ------------------------------------------------------------------
>
>                 Key: YARN-2136
>                 URL: https://issues.apache.org/jira/browse/YARN-2136
>             Project: Hadoop YARN
>          Issue Type: Bug
>            Reporter: Jian He
>
> RMStateStore can choose to handle/ignore store/update events upfront instead 
> of invoking more ZK operations if state store is at fenced state. 



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