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Posted to dev@crunch.apache.org by "Josh Wills (JIRA)" <ji...@apache.org> on 2013/07/02 22:39:20 UTC

[jira] [Updated] (CRUNCH-231) Support legacy Mappers and Reducers in Crunch pipelines

     [ 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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