MySQL 8.4 Release Notes
35.3 Open遥测 Metrics
The Server Telemetry Metrics Service and the Server Metrics Instrument Service enable you to register and query telemetry meters, metrics, and metric measurements, in order to periodically export these measurements using the OpenTelemetry protocol.
For more information on these services, see Server Telemetry Metrics Service and the Server Metrics Instrument Service documentation in the MySQL Server Doxygen Documentation.