Yang Yun created HDFS-15484:
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Summary: Add option in enum Rename to suport batch rename
Key: HDFS-15484
URL: https://issues.apache.org/jira/browse/HDFS-15484
Project: Hadoop HDFS
Issue Type: Improvement
Components: dfsclient, namenode, performance
Reporter: Yang Yun
Assignee: Yang Yun
Sometime we need rename many files after a task, add a new option in enum
Rename to support batch rename, which only need one RPC and one lock. For
example,
rename(new Path("/dir1/f1::/dir2/f2"), new Path("/dir3/f1::dir4/f4"),
Rename.BATCH)
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