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https://issues.apache.org/jira/browse/YARN-540?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jian He updated YARN-540:
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Attachment: YARN-540.2.patch
upload a new patch and add test cases to test the state machine transitions.
Did single node RM restart test. will do more rigorous manual test
> Race condition causing RM to potentially relaunch already unregistered AMs on
> RM restart
> ----------------------------------------------------------------------------------------
>
> Key: YARN-540
> URL: https://issues.apache.org/jira/browse/YARN-540
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: resourcemanager
> Reporter: Jian He
> Assignee: Jian He
> Priority: Blocker
> Attachments: YARN-540.1.patch, YARN-540.2.patch, YARN-540.patch,
> YARN-540.patch
>
>
> When job succeeds and successfully call finishApplicationMaster, RM shutdown
> and restart-dispatcher is stopped before it can process REMOVE_APP event. The
> next time RM comes back, it will reload the existing state files even though
> the job is succeeded
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