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https://issues.apache.org/jira/browse/MAPREDUCE-1938?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Krishna Ramachandran updated MAPREDUCE-1938:
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Attachment: mapred-1938-2.patch
Luke
Last one was a preliminary/quick port of what was there and lot of changes were
redundant. I have cleaned it up in this rev.
As for moving to MRJobConfig, based on discussions, my understanding is,
desired to have this flag semi-private (MRJobConfig i believe is very public)
> Ability for having user's classes take precedence over the system classes for
> tasks' classpath
> ----------------------------------------------------------------------------------------------
>
> Key: MAPREDUCE-1938
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-1938
> Project: Hadoop Map/Reduce
> Issue Type: New Feature
> Components: job submission, task, tasktracker
> Reporter: Devaraj Das
> Fix For: 0.22.0
>
> Attachments: mapred-1938-1, mapred-1938-2.patch,
> mr-1938-bp20.1.patch, mr-1938-bp20.patch
>
>
> It would be nice to have the ability in MapReduce to allow users to specify
> for their jobs alternate implementations of classes that are already defined
> in the MapReduce libraries. For example, an alternate implementation for
> CombineFileInputFormat.
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