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https://issues.apache.org/jira/browse/MAPREDUCE-5014?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13600819#comment-13600819
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Amareshwari Sriramadasu commented on MAPREDUCE-5014:
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+1 Patch looks good.
> Extending DistCp through a custom CopyListing is not possible
> -------------------------------------------------------------
>
> Key: MAPREDUCE-5014
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-5014
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Components: distcp
> Affects Versions: 0.23.0, 0.23.1, 0.23.3, trunk, 0.23.4, 0.23.5
> Reporter: Srikanth Sundarrajan
> Assignee: Srikanth Sundarrajan
> Attachments: MAPREDUCE-5014.patch
>
> Original Estimate: 24h
> Remaining Estimate: 24h
>
> * While it is possible to implement a custom CopyListing in DistCp, DistCp
> driver class doesn't allow for using this custom CopyListing.
> * Allow SimpleCopyListing to provide an option to exclude files (For instance
> it is useful to exclude FileOutputCommiter.SUCCEEDED_FILE_NAME during copy as
> premature copy can indicate that the entire data is available at the
> destination)
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