[jira] [Updated] (YARN-447) applicationComparator improvement for CS

["nemon lou (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/YARN-447?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

nemon lou updated YARN-447:
---------------------------

    Attachment: YARN-447-trunk.patch

Patch rebased.
                
> 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
>            Assignee: nemon lou
>            Priority: Minor
>         Attachments: YARN-447-trunk.patch, YARN-447-trunk.patch, YARN-447-trunk.patch, 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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