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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-234) Hadoop Pipes for writing map/reduce jobs in C++ and python
Date Thu, 17 May 2007 11:28:17 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-234?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12496534
] 

Hadoop QA commented on HADOOP-234:
----------------------------------

Integrated in Hadoop-Nightly #91 (See http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Nightly/91/)

> Hadoop Pipes for writing map/reduce jobs in C++ and python
> ----------------------------------------------------------
>
>                 Key: HADOOP-234
>                 URL: https://issues.apache.org/jira/browse/HADOOP-234
>             Project: Hadoop
>          Issue Type: New Feature
>          Components: pipes
>            Reporter: Sanjay Dahiya
>         Assigned To: Owen O'Malley
>             Fix For: 0.14.0
>
>         Attachments: Hadoop MaReduce Developer doc.pdf, hadoop-pipes.html, pipes-2.patch,
pipes.patch
>
>
> 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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