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