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https://issues.apache.org/jira/browse/YARN-10483?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17226909#comment-17226909
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Ahmed Hussein commented on YARN-10483:
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Thanks [~weichiu] :) This is very helpful information.
> yarn hang住卡死，任务无法提交，切换RM主节点或重启才能恢复
> ----------------------------------
>
> Key: YARN-10483
> URL: https://issues.apache.org/jira/browse/YARN-10483
> 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
>
>
> yarn不定期卡死，新任务无法提交，经排查jstack日志，capacity
> scheduler有线程在无限等待锁，rm的cpu内存网络磁盘均正常。问题基本可以确定是capacity
> scheduler内部的锁出了问题。正常状态下和卡住状态下rm的jstack日志已上传，希望有人可以解决一下，此bug比较严重，直接导致生产不可用。没人解答待会我再来问
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