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From "Sangjin Lee (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-4839) ResourceManager deadlock between RMAppAttemptImpl and SchedulerApplicationAttempt
Date Fri, 18 Mar 2016 15:48:33 GMT

    [ https://issues.apache.org/jira/browse/YARN-4839?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15201669#comment-15201669
] 

Sangjin Lee commented on YARN-4839:
-----------------------------------

Could this be the same issue as pointed out by YARN-4247? We did see this issue in our environment
(which is 2.6 + patches), but that was because we backported YARN-2005 without YARN-3361.
Not sure if there has been a more recent regression.

> ResourceManager deadlock between RMAppAttemptImpl and SchedulerApplicationAttempt
> ---------------------------------------------------------------------------------
>
>                 Key: YARN-4839
>                 URL: https://issues.apache.org/jira/browse/YARN-4839
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: resourcemanager
>    Affects Versions: 2.8.0
>            Reporter: Jason Lowe
>            Priority: Blocker
>
> Hit a deadlock in the ResourceManager as one thread was holding the SchedulerApplicationAttempt
lock and trying to call RMAppAttemptImpl.getMasterContainer while another thread had the RMAppAttemptImpl
lock and was trying to call SchedulerApplicationAttempt.getResourceUsageReport.



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