[HDFS-16707] RBF: Expose RouterRpcFairnessPolicyController related request record metrics for each nameservice to Prometheus

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 3.4.0
• Fix Version/s: 3.4.0
• Component/s: rbf
• Labels: pull-request-available
• Target Version/s: 3.4.0
• Hadoop Flags: Reviewed
• Assignee: Jiale Qi
• Reporter: Jiale Qi
• Created: 01/Aug/22 11:06
• Updated: 28/Jan/24 08:19
• Resolved: 01/May/23 15:52

Description

HDFS-16302 intoduced request recored for each namespace, but it is only exposed in /jmx endpoint and in json format, not very convenient.

this patch exposed these metrics in /prom endpoint for Prometheus

Issue Links

• links to: GitHub Pull Request #4665