[jira] [Resolved] (YARN-10483) yarn hang住卡死，任务无法提交，切换RM主节点或重启才能恢复

["Ahmed Hussein (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/YARN-10483?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ahmed Hussein resolved YARN-10483.
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    Release Note: Please create Jiras that makes it easy for other developers to search and understand. 
      Resolution: Information Provided

> 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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