Rob Weltman created MAPREDUCE-5555:
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Summary: distcp should infer optimal number of mappers
Key: MAPREDUCE-5555
URL: https://issues.apache.org/jira/browse/MAPREDUCE-5555
Project: Hadoop Map/Reduce
Issue Type: New Feature
Components: distcp
Reporter: Rob Weltman
Rather than requiring the user to calculate and provide an optimal number of
mappers with the -m option, distcp should (if the option is not provided) be
able to estimate a reasonable number.
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