[HDFS-6572] Add an option to the NameNode that prints the software and on-disk image versions

• Type: Bug
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 2.5.0
• Component/s: namenode
• Target Version/s: 2.5.0
• Hadoop Flags: Reviewed
• Assignee: Charles Lamb
• Reporter: Charles Lamb
• Created: 19/Jun/14 23:59
• Updated: 03/Sep/14 20:34
• Resolved: 26/Jun/14 23:16

Description

The HDFS namenode should have a startup option that prints the metadata versions of both the software and the on-disk version. This will be useful for debugging certain situations.