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From "Hong Tang (JIRA)" <j...@apache.org>
Subject [jira] Created: (MAPREDUCE-1658) [Rumen] Extract some job configurations.
Date Wed, 31 Mar 2010 09:02:27 GMT
[Rumen] Extract some job configurations.

                 Key: MAPREDUCE-1658
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1658
             Project: Hadoop Map/Reduce
          Issue Type: Improvement
            Reporter: Hong Tang

Enhance Rumen to extract the following configuration parameters from JobConf that may be relevant
to job execution:
- mapred.map.tasks.speculative.execution, mapred.reduce.tasks.speculative.execution
- mapred.reduce.slowstart.completed.maps
- io.sort.factor, io.sort.mb, io.sort.record.percent, io.sort.spill.percent
- mapreduce.reduce.shuffle.connect.timeout, mapreduce.reduce.shuffle.read.timeout
- mapred.job.shuffle.merge.percent, mapred.job.shuffle.input.buffer.percent
- mapred.inmem.merge.threshold

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