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From "Owen O'Malley (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-4304) Add Dumbo to contrib
Date Thu, 13 Nov 2008 23:44:44 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-4304?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12647468#action_12647468
] 

Owen O'Malley commented on HADOOP-4304:
---------------------------------------

You should also not assume in your example that there is a NFS file system mounted across
the cluster.

> Add Dumbo to contrib
> --------------------
>
>                 Key: HADOOP-4304
>                 URL: https://issues.apache.org/jira/browse/HADOOP-4304
>             Project: Hadoop Core
>          Issue Type: New Feature
>            Reporter: Klaas Bosteels
>            Assignee: Klaas Bosteels
>            Priority: Minor
>         Attachments: hadoop-4304-v2.patch, hadoop-4304-v3.patch, hadoop-4304.patch
>
>
> Originally, Dumbo was a simple Python module developed at Last.fm to make writing and
running Hadoop Streaming programs very easy, but now it also consists of some (up till now
unreleased) helper code in Java (although it can still be used without the Java code). We
propose to add Dumbo to "src/contrib" such that the Java classes get build/installed together
with the rest of Hadoop, and the Python module can be installed separately at will. A tar.gz
of the directory that would have to be added to "src/contrib" is available at
> http://static.last.fm/dumbo/dumbo-contrib.tar.gz
> and more info about Dumbo can be found here:
> * Basic documentation: http://github.com/klbostee/dumbo/wikis
> * Presentation at HUG (where it was first suggested to add Dumbo to contrib): http://skillsmatter.com/podcast/home/dumbo-hadoop-streaming-made-elegant-and-easy
> * Initial announcement: http://blog.last.fm/2008/05/29/python-hadoop-flying-circus-elephant
> For some of the more advanced features of Dumbo (in particular the ones for which the
Java classes are needed) there is no public documentation yet, but we could easily fill that
gap by moving some of the internal Last.fm documentation to the Hadoop wiki.

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