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From "Dick King (JIRA)" <j...@apache.org>
Subject [jira] Updated: (MAPREDUCE-1309) I want to change the rumen job trace generator to use a more modular internal structure, to allow for more input log formats
Date Tue, 16 Feb 2010 21:29:27 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-1309?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Dick King updated MAPREDUCE-1309:
---------------------------------

    Attachment: mapreduce-1309--2010-02-16.patch

This patch is a response to Hong's comments.  

Indeed they were minor, and the fixes are very simple.

> I want to change the rumen job trace generator to use a more modular internal structure,
to allow for more input log formats 
> -----------------------------------------------------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-1309
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1309
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>            Reporter: Dick King
>            Assignee: Dick King
>         Attachments: demuxer-plus-concatenated-files--2009-12-21.patch, demuxer-plus-concatenated-files--2010-01-06.patch,
demuxer-plus-concatenated-files--2010-01-08-b.patch, demuxer-plus-concatenated-files--2010-01-08-c.patch,
demuxer-plus-concatenated-files--2010-01-08-d.patch, demuxer-plus-concatenated-files--2010-01-08.patch,
demuxer-plus-concatenated-files--2010-01-11.patch, mapreduce-1309--2009-01-14-a.patch, mapreduce-1309--2009-01-14.patch,
mapreduce-1309--2010-01-20.patch, mapreduce-1309--2010-02-03.patch, mapreduce-1309--2010-02-04.patch,
mapreduce-1309--2010-02-10.patch, mapreduce-1309--2010-02-12.patch, mapreduce-1309--2010-02-16.patch
>
>
> There are two orthogonal questions to answer when processing a job tracker log: how will
the logs and the xml configuration files be packaged, and in which release of hadoop map/reduce
were the logs generated?  The existing rumen only has a couple of answers to this question.
 The new engine will handle three answers to the version question: 0.18, 0.20 and current,
and two answers to the packaging question: separate files with names derived from the job
ID, and concatenated files with a header between sections [used for easier file interchange].

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