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https://issues.apache.org/jira/browse/YARN-3999?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14648484#comment-14648484
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Jian He commented on YARN-3999:
-------------------------------
Uploaded a patch which adds the timeout on draining the dispatcher. The value
is set to be half of the am-rm-expiry-time.
Beyond that, I also changed the order of a couple of services which might take
long time to flush the events on stop.
> Add a timeout when drain the dispatcher
> ---------------------------------------
>
> Key: YARN-3999
> URL: https://issues.apache.org/jira/browse/YARN-3999
> Project: Hadoop YARN
> Issue Type: Bug
> Reporter: Jian He
> Assignee: Jian He
> Attachments: YARN-3999.patch
>
>
> If external systems like ATS, or ZK becomes very slow, draining all the
> events take a lot of time. If this time becomes larger than 10 mins, all
> applications will expire. We can add a timeout and stop the dispatcher even
> if not all events are drained.
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