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https://issues.apache.org/jira/browse/CRUNCH-162?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13572376#comment-13572376
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Dave Beech commented on CRUNCH-162:
-----------------------------------

OK, thanks. Leaving the current sort impl alone makes things easier. Yeah - I'm 
not sure about the naming either. I originally created a class PCollections to 
sit along side PTables in lib, and called the method forcePartitions (don't 
particularly like the name, best I could think of...). 
                
> Add utility function for merging output by identity reduce
> ----------------------------------------------------------
>
>                 Key: CRUNCH-162
>                 URL: https://issues.apache.org/jira/browse/CRUNCH-162
>             Project: Crunch
>          Issue Type: Improvement
>          Components: MapReduce Patterns
>    Affects Versions: 0.4.0
>            Reporter: Dave Beech
>            Priority: Minor
>
> Something I find myself doing reasonably often in mapreduce is to use
> the reduce step as nothing more than a means to merge data into larger
> files (using the identity reducer). 
> There doesn't appear to be a neat way to do this with Crunch at the moment.
> Ref: 
> http://mail-archives.apache.org/mod_mbox/incubator-crunch-user/201302.mbox/%3CCAFZSZPsXRxWT45c9w4ef7Ruij2exE4HP2CDNMjd%2BVc%3D9RWX-Jw%40mail.gmail.com%3E

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