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Posted to yarn-dev@hadoop.apache.org by "zhihai xu (JIRA)" <ji...@apache.org> on 2015/06/08 03:29:00 UTC

[jira] [Created] (YARN-3780) Should use equals when compare Resource in RMNodeImpl#ReconnectNodeTransition

zhihai xu created YARN-3780:
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             Summary: Should use equals when compare Resource in RMNodeImpl#ReconnectNodeTransition
                 Key: YARN-3780
                 URL: https://issues.apache.org/jira/browse/YARN-3780
             Project: Hadoop YARN
          Issue Type: Bug
          Components: resourcemanager
    Affects Versions: 2.7.0
            Reporter: zhihai xu
            Assignee: zhihai xu
            Priority: Minor


Should use equals when compare Resource in RMNodeImpl#ReconnectNodeTransition to avoid unnecessary NodeResourceUpdateSchedulerEvent.
The current code use {{!=}} to compare Resource totalCapability, which will compare reference not the real value in Resource. So we should use equals to compare Resource.



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