[HDFS-16397] Reconfig slow disk parameters for datanode

• Type: New Feature
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.4.0, 3.3.5
• Fix Version/s: 3.4.0, 3.3.5
• Component/s: datanode
• Labels: pull-request-available
• Target Version/s: 3.4.0, 3.3.5
• Hadoop Flags: Reviewed
• Assignee: Tao Li
• Reporter: Tao Li
• Created: 26/Dec/21 04:32
• Updated: 11/Feb/24 04:16
• Resolved: 24/Feb/22 16:56

Description

In large clusters, rolling restart datanodes takes long time. We can make slow peers parameters and slow disks parameters in datanode reconfigurable to facilitate cluster operation and maintenance.

Issue Links

• links to: GitHub Pull Request #3828