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https://issues.apache.org/jira/browse/YARN-4756?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15204875#comment-15204875
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Eric Badger commented on YARN-4756:
-----------------------------------
[~eepayne], [~jlowe], [~kasha], can one of you review this patch when you are
available? This patch is a byproduct of test failures that were uncovered when
fixing [YARN-4686]. Thanks.
> Unnecessary wait in Node Status Updater during reboot
> -----------------------------------------------------
>
> Key: YARN-4756
> URL: https://issues.apache.org/jira/browse/YARN-4756
> Project: Hadoop YARN
> Issue Type: Improvement
> Reporter: Eric Badger
> Assignee: Eric Badger
> Attachments: YARN-4756.001.patch, YARN-4756.002.patch
>
>
> The startStatusUpdater thread waits for the isStopped variable to be set to
> true, but it is waiting for the next heartbeat. During a reboot, the next
> heartbeat will not come and so the thread waits for a timeout. Instead, we
> should notify the thread to continue so that it can check the isStopped
> variable and exit without having to wait for a timeout.
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