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From "Ahmed Radwan (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-3451) Port Fair Scheduler to MR2
Date Tue, 10 Apr 2012 18:03:14 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-3451?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13250886#comment-13250886
] 

Ahmed Radwan commented on MAPREDUCE-3451:
-----------------------------------------

Hi Patrick,

There are also these comments/nits: 
- RMContainer.java: Added a unused "import org.apache.hadoop.yarn.server.resourcemanager.rmapp.RMAppImpl;"
- Many of the inline docs have spelling mistakes. Please review them.
- SchedulerApp.java: The following was removed from the docs: [Each time the scheduler
   asks the application for a task at this priority, it is incremented,
   and each time the application successfully schedules a task, it
   is reset to 0.], please add it back.
- Add javadocs and setup and configuration docs.
                
> Port Fair Scheduler to MR2
> --------------------------
>
>                 Key: MAPREDUCE-3451
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3451
>             Project: Hadoop Map/Reduce
>          Issue Type: New Feature
>          Components: mrv2, scheduler
>            Reporter: Patrick Wendell
>            Assignee: Patrick Wendell
>         Attachments: MAPREDUCE-3451.v1.patch.txt, MAPREDUCE-3451.v2.patch.txt
>
>
> The Fair Scheduler is in widespread use today in MR1 clusters, but not yet ported to
MR2. This is to track the porting of the Fair Scheduler to MR2 and will be updated to include
design considerations and progress.

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