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From "Josh Wills (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (CRUNCH-231) Support legacy Mappers and Reducers in Crunch pipelines
Date Tue, 02 Jul 2013 20:39:20 GMT

     [ https://issues.apache.org/jira/browse/CRUNCH-231?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Josh Wills updated CRUNCH-231:
------------------------------

    Attachment: CRUNCH-231.patch

A more complete patch w/integration tests and some more bug fixes.
                
> Support legacy Mappers and Reducers in Crunch pipelines
> -------------------------------------------------------
>
>                 Key: CRUNCH-231
>                 URL: https://issues.apache.org/jira/browse/CRUNCH-231
>             Project: Crunch
>          Issue Type: Improvement
>          Components: Core
>            Reporter: Josh Wills
>            Assignee: Josh Wills
>         Attachments: CRUNCH-231.patch, mapred.patch
>
>
> I've had a few requests for Crunch to support existing Mappers and Reducers using the
underlying Java APIs as part of regular pipelines, so that users could evolve existing MapReduce
jobs into Crunch pipelines gradually, instead of being forced to rewrite everything all at
once in order to map it onto Crunch's model.

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