[HDFS-15705] Fix a typo in SecondaryNameNode.java

• Type: Improvement
• Status: Resolved
• Priority: Trivial
• Resolution: Fixed
• Affects Version/s: 3.4.0
• Fix Version/s: 3.4.0
• Component/s: hdfs
• Assignee: Sixiang Ma
• Reporter: Sixiang Ma
• Created: 02/Dec/20 07:02
• Updated: 03/Dec/20 06:41
• Resolved: 03/Dec/20 05:32

Description

The comment above the function of 'public void shutdown()' in SecondaryNameNode.java is incorrect.

It should be 'Shut down this instance of the secondary name.', instead of 'datanode'.

This typo exists in the truck of Hadoop, so I generated the patch against the truck.