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From "nemon lou (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-447) applicationComparator improvement for CS
Date Mon, 04 Mar 2013 12:23:12 GMT
nemon lou created YARN-447:
------------------------------

             Summary: applicationComparator improvement for CS
                 Key: YARN-447
                 URL: https://issues.apache.org/jira/browse/YARN-447
             Project: Hadoop YARN
          Issue Type: Improvement
          Components: scheduler
    Affects Versions: 2.0.3-alpha
            Reporter: nemon lou
            Priority: Minor
         Attachments: YARN-447-trunk.patch

Now the compare code is :
return a1.getApplicationId().getId() - a2.getApplicationId().getId();

Will be replaced with :
return a1.getApplicationId().compareTo(a2.getApplicationId());

This will bring some benefits:
1,leave applicationId compare logic to ApplicationId class;
2,In future's HA mode,cluster time stamp may change,ApplicationId class already takes care
of this condition.

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