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From "Tom White (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-2492) [MAPREDUCE] The new MapReduce API should make available task's progress to the task
Date Mon, 23 May 2011 17:38:48 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-2492?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13038084#comment-13038084

Tom White commented on MAPREDUCE-2492:

This is an incompatible change, since it adds a method to the public @Stable mapred.Reporter
interface. Is it possible to rework this to only change the new API, as the title suggests?
This would then be a compatible change since the classes that have been changed in the new
API are private or @Evolving.

Also, it looks like this wasn't reviewed before being committed.

> [MAPREDUCE] The new MapReduce API should make available task's progress to the task
> -----------------------------------------------------------------------------------
>                 Key: MAPREDUCE-2492
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2492
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: task
>    Affects Versions: 0.23.0
>            Reporter: Amar Kamat
>            Assignee: Amar Kamat
>             Fix For: 0.23.0
>         Attachments: MAPREDUCE-2492-v1.3.patch, MAPREDUCE-2492-v1.4.patch, MAPREDUCE-2492-v1.5.patch,
MAPREDUCE-2492-v1.6.patch, MAPREDUCE-2492-v1.7.patch
> There is no way to get the task's current progress in the new MapReduce API. It would
be nice to make it available so that the task (map/reduce) can use it. 

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