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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-4304) Add Dumbo to contrib
Date Fri, 03 Oct 2008 19:27:44 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-4304?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12636717#action_12636717
] 

Hadoop QA commented on HADOOP-4304:
-----------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12391418/hadoop-4304-v2.patch
  against trunk revision 701436.

    +1 @author.  The patch does not contain any @author tags.

    +1 tests included.  The patch appears to include 12 new or modified tests.

    +1 javadoc.  The javadoc tool did not generate any warning messages.

    +1 javac.  The applied patch does not increase the total number of javac compiler warnings.

    +1 findbugs.  The patch does not introduce any new Findbugs warnings.

    +1 Eclipse classpath. The patch retains Eclipse classpath integrity.

    -1 core tests.  The patch failed core unit tests.

    +1 contrib tests.  The patch passed contrib unit tests.

Test results: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/3430/testReport/
Findbugs warnings: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/3430/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/3430/artifact/trunk/build/test/checkstyle-errors.html
Console output: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/3430/console

This message is automatically generated.

> 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
>            Priority: Minor
>         Attachments: hadoop-4304-v2.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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