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Posted to mapreduce-dev@hadoop.apache.org by "Dick King (JIRA)" <ji...@apache.org> on 2009/12/18 00:26:18 UTC
[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
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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