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https://issues.apache.org/jira/browse/YARN-10058?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17002713#comment-17002713
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tuyu commented on YARN-10058:
-----------------------------
when patch YARN-8737 to local repo, this can not fix race condition, the async
thread also crash,and capacity scheduler will hang. I think no matter what
happens，if global scheduler's async thread crash, current RM should exit or
transition to standby.
> Capacity Scheduler dispatcher hang when async thread crash
> ----------------------------------------------------------
>
> Key: YARN-10058
> URL: https://issues.apache.org/jira/browse/YARN-10058
> Project: Hadoop YARN
> Issue Type: Bug
> Components: capacity scheduler
> Affects Versions: 3.2.0, 3.2.1
> Reporter: tuyu
> Priority: Major
> Fix For: 3.2.1
>
> Attachments: 0001-global-scheduling-standby-hang.patch
>
>
> when capacity scheduler enable global scheduler, if global scheduler's
> AsyncScheduleThread crash, the capacity scheduler dispatcher will hang for
> long time. This behavior is unreasonable.
> if this situation happen, In HA mode, current RM should change to standby
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