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From "Dick King (JIRA)" <j...@apache.org>
Subject [jira] Created: (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 Thu, 17 Dec 2009 23:26:18 GMT
I want to change the rumen job trace generator to use a more modular internal structure, to
allow for more input log formats 
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                 Key: MAPREDUCE-1309
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1309
             Project: Hadoop Map/Reduce
          Issue Type: Improvement
            Reporter: Dick King


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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