[Rumen] Extract some job configurations.
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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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