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https://issues.apache.org/jira/browse/MAPREDUCE-279?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13009547#comment-13009547
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Tom White commented on MAPREDUCE-279:
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> Also, as you pointed out, the changes to classes in
> src/java/org/apache/hadoop/mapred(uce) are very minor
Yes, but we still need to be sure that they don't break compatibility, which is
hard to see in the current patch. However, I agree that collaborating on this
part by way of working on MAPREDUCE-1638 and changes in trunk will make the
separation cleaner and clarify the changes required for MR2.
> Map-Reduce 2.0
> --------------
>
> Key: MAPREDUCE-279
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-279
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Components: jobtracker, tasktracker
> Reporter: Arun C Murthy
> Assignee: Arun C Murthy
> Fix For: 0.23.0
>
> Attachments: MR-279.patch, MR-279.patch, MR-279.sh,
> MR-279_MR_files_to_move.txt, capacity-scheduler-dark-theme.png,
> multi-column-stable-sort-default-theme.png
>
>
> Re-factor MapReduce into a generic resource scheduler and a per-job,
> user-defined component that manages the application execution.
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