nemon lou created YARN-447:
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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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