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From "Josh Wills (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (CRUNCH-162) Add utility function for merging output by identity reduce
Date Fri, 07 Jun 2013 05:48:21 GMT

     [ https://issues.apache.org/jira/browse/CRUNCH-162?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Josh Wills resolved CRUNCH-162.
-------------------------------

       Resolution: Fixed
    Fix Version/s: 0.7.0
         Assignee: Josh Wills

Committed to master.
                
> 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
>            Assignee: Josh Wills
>            Priority: Minor
>             Fix For: 0.7.0
>
>         Attachments: CRUNCH-162.patch
>
>
> 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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