DistCp should have an option for limiting the number of files/bytes being copied
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Key: HADOOP-3873
URL: https://issues.apache.org/jira/browse/HADOOP-3873
Project: Hadoop Core
Issue Type: New Feature
Components: tools/distcp
Reporter: Tsz Wo (Nicholas), SZE
A single DistCp command may potentially copies a huge number of files/bytes.
In such case, DistCp will run a long time and there is no way stop it nicely.
It would be good if DistCp have an option to limit the number of files/bytes
being copied. Once the limit is reached, DistCp will terminate and return
success. All files copied are guaranteed to be good and there is no partially
copied file.
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