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https://issues.apache.org/jira/browse/YARN-10482?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17236286#comment-17236286
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Wangda Tan commented on YARN-10482:
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Thanks [~jiwq]! it is very helpful!
> Capacity Scheduler seems locked,RM cannot submit any new job,and change
> active RM manually return to normal
> ------------------------------------------------------------------------------------------------------------
>
> Key: YARN-10482
> URL: https://issues.apache.org/jira/browse/YARN-10482
> Project: Hadoop YARN
> Issue Type: Bug
> Components: capacity scheduler, capacityscheduler, resourcemanager,
> RM
> Affects Versions: 3.1.1
> Reporter: jufeng li
> Priority: Blocker
> Attachments: RM_normal_state.stack, RM_unnormal_state.stack
>
>
> Capacity Scheduler seems locked,RM cannot submit any new job, and change
> active RM manually return to normal。its a serious bug！I check the stack
> log，and found some info about *ReentrantReadWriteLock。*Can anyone can solve
> this issue？I uploaded the stack when RM normally and unnormally。RM hangs
> forever until I restart RM or change the active RM manually！！
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