Chen He created HDFS-8698:
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Summary: Add "-direct" flag option for fs copy so that user can
choose not to create "._COPYING_" file
Key: HDFS-8698
URL: https://issues.apache.org/jira/browse/HDFS-8698
Project: Hadoop HDFS
Issue Type: New Feature
Components: fs
Affects Versions: 2.7.0
Reporter: Chen He
Because CLI is using CommandWithDestination.java which add "._COPYING_" to the
tail of file name when it does the copy. For blobstore like S3 and Swift, to
create "._COPYING_" file and rename it is expensive. "-direct" flag can allow
user to avoiding the "._COPYING_" file.
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