[HDFS-14241] Provide feedback on successful renameSnapshot and deleteSnapshot

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 3.2.0, 3.1.2
• Fix Version/s: 3.3.0
• Component/s: hdfs, shell
• Target Version/s: 3.2.1, 3.1.3
• Assignee: Siyao Meng
• Reporter: Siyao Meng
• Created: 29/Jan/19 07:18
• Updated: 14/Feb/19 04:02
• Resolved: 14/Feb/19 03:49

Description

Shell (Before)

# createSnapshot has feedback
$ hdfs dfs -createSnapshot /dst/ snap1
Created snapshot /dst/.snapshot/snap1

# renameSnapshot doesn't have feedback if it succeeded
$ hdfs dfs -renameSnapshot snap1 snap2 /dst/
(No output)

# deleteSnapshot doesn't have feedback if it succeeded
$ hdfs dfs -deleteSnapshot /dst/ snap2
(No output)

# rm has feedback
$ hdfs dfs -rm -skipTrash /dst/2.txt
Deleted /dst/2.txt

Shell (After)

...
$ hdfs dfs -renameSnapshot snap1 snap2 /dst/
Renamed snapshot snap1 to snap2 under hdfs://server:port/dst

$ hdfs dfs -deleteSnapshot /dst/ snap2
Deleted snapshot snap2 under hdfs://server:port/dst