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From "Rohith Sharma K S (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-5197) RM leaks containers if running container disappears from node update
Date Tue, 21 Jun 2016 04:41:58 GMT

    [ https://issues.apache.org/jira/browse/YARN-5197?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15341066#comment-15341066
] 

Rohith Sharma K S commented on YARN-5197:
-----------------------------------------

Thanks [~jlowe] for providing branch patches. HadoopQA results failures are unrelated to the
patch. I will go-ahead committing the patch to branches.

> RM leaks containers if running container disappears from node update
> --------------------------------------------------------------------
>
>                 Key: YARN-5197
>                 URL: https://issues.apache.org/jira/browse/YARN-5197
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: resourcemanager
>    Affects Versions: 2.7.2, 2.6.4
>            Reporter: Jason Lowe
>            Assignee: Jason Lowe
>         Attachments: YARN-5197-branch-2.7.003.patch, YARN-5197-branch-2.8.003.patch,
YARN-5197.001.patch, YARN-5197.002.patch, YARN-5197.003.patch
>
>
> Once a node reports a container running in a status update, the corresponding RMNodeImpl
will track the container in its launchedContainers map.  If the node somehow misses sending
the completed container status to the RM and the container simply disappears from subsequent
heartbeats, the container will leak in launchedContainers forever and the container completion
event will not be sent to the scheduler.



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