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Posted to yarn-issues@hadoop.apache.org by "Wangda Tan (JIRA)" <ji...@apache.org> on 2016/01/28 02:59:39 UTC

[jira] [Commented] (YARN-4647) RegisterNodeManagerRequestPBImpl needs better locking

    [ https://issues.apache.org/jira/browse/YARN-4647?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15120595#comment-15120595 ] 

Wangda Tan commented on YARN-4647:
----------------------------------

[~kasha],
+1 to the patch, just curious when race condition could happen.

> 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
>
>
> While working on YARN-4512, I noticed there are potential race conditions in RegisterNodeManagerRequestPBImpl. We need to add more locking. 



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