[HDFS-17301] Add read and write dataXceiver threads count metrics to datanode.

• Type: New Feature
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.4.0
• Fix Version/s: 3.4.0
• Component/s: datanode
• Labels: pull-request-available
• Target Version/s: 3.4.0
• Hadoop Flags: Reviewed
• Assignee: Zhaobo Huang
• Reporter: Zhaobo Huang
• Created: 23/Dec/23 07:41
• Updated: 28/Jan/24 01:06
• Resolved: 29/Dec/23 03:45

Description

1. The DataNodeActiveXeiversCount metric contains the number of threads of all Op types.
2. In most cases, we focus more on the number of read and write dataXceiver threads, so add read and write dataXceiver threads count metrics to datanode.

Issue Links

• links to: GitHub Pull Request #6377