Updated: (HADOOP-234) Support for writing Map/Reduce functions in C++

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Updated: (HADOOP-234) Support for writing Map/Reduce functions in C++

JIRA jira@apache.org

     [ https://issues.apache.org/jira/browse/HADOOP-234?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Owen O'Malley updated HADOOP-234:
---------------------------------

    Attachment:     (was: Hadoop MaReduce Developer doc.pdf)

> Support for writing Map/Reduce functions in C++
> -----------------------------------------------
>
>                 Key: HADOOP-234
>                 URL: https://issues.apache.org/jira/browse/HADOOP-234
>             Project: Hadoop
>          Issue Type: New Feature
>          Components: mapred
>            Reporter: Sanjay Dahiya
>         Assigned To: Owen O'Malley
>             Fix For: 0.12.0
>
>         Attachments: Hadoop MaReduce Developer doc.pdf, hadoop-pipes.html
>
>
> MapReduce C++ support
> Requirements
> 1. Allow users to write Map, Reduce, RecordReader, and RecordWriter functions in C++, rest of the infrastructure already present in Java should be reused.
> 2. Avoid users having to write both Java and C++ for this to work.
> 3. Avoid users having to work with JNI methods directly by wrapping them in helper functions.
> 4. The interface should be SWIG'able.

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