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From "Karthik Kambatla (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-4647) RegisterNodeManagerRequestPBImpl needs better locking
Date Fri, 29 Jan 2016 16:09:40 GMT

    [ https://issues.apache.org/jira/browse/YARN-4647?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15123649#comment-15123649
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Karthik Kambatla commented on YARN-4647:
----------------------------------------

The checkstyle errors are benign. No unit test since the patch only adds synchronization.


Checking this in, based on Wangda's +1 earlier. 

> RegisterNodeManagerRequestPBImpl needs better locking
> -----------------------------------------------------
>
>                 Key: YARN-4647
>                 URL: https://issues.apache.org/jira/browse/YARN-4647
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: nodemanager
>    Affects Versions: 2.8.0
>            Reporter: Karthik Kambatla
>            Assignee: Karthik Kambatla
>         Attachments: yarn-4647.001.patch, yarn-4647.002.patch
>
>
> While working on YARN-4512, I noticed there are potential race conditions in RegisterNodeManagerRequestPBImpl.
We need to add more locking. 



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