ZanderXu created HDFS-16758:
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Summary: Add an optional RetriableFileFastCopyCommand to Distcp
Key: HDFS-16758
URL: https://issues.apache.org/jira/browse/HDFS-16758
Project: Hadoop HDFS
Issue Type: Sub-task
Reporter: ZanderXu
Assignee: ZanderXu
Add an optional RetriableFileFastCopyCommand to Distcp to support copying a
contiguous file from one namespace to another via FastCopy.
RetriableFileFastCopyCommand will be a subClass of RetriableFileCopyCommand. If
the files to be copied does not meet the conditions of FastCopy, it will
automatically call the super method to copy the files.
Tips: Current task only supports copy the contiguous file.
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