[HDFS-15484] Add new method batchRename for DistributedFileSystem and WebHdfsFileSystem

• Type: Improvement
• Status: Patch Available
• Priority: Minor
• Resolution: Unresolved
• Affects Version/s: 3.3.0
• Component/s: dfsclient, namenode, performance
• Labels: pull-request-available
• Assignee: Yang Yun
• Reporter: Yang Yun
• Created: 21/Jul/20 06:27
• Updated: 01/Sep/20 15:32

Description

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)

Issue Links

• links to: GitHub Pull Request #2235