[HDFS-17112] Show decommission duration in JMX and HTML

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.4.0
• Fix Version/s: 3.4.0
• Component/s: namenode
• Labels: pull-request-available
• Target Version/s: 3.4.0
• Hadoop Flags: Reviewed
• Assignee: Shuyan Zhang
• Reporter: Shuyan Zhang
• Created: 20/Jul/23 12:51
• Updated: 28/Jan/24 01:52
• Resolved: 24/Jul/23 06:40

Description

Expose decommission duration time in JMX page. It's a very useful info when decommissioning a batch of datanodes in a cluster.

Issue Links

• links to: GitHub Pull Request #5866