Metrics are often handled via one of many protocols. The new contender to this is OpenTelemetry - a system for sending your logs, traces and metrics. This OpenTelemetry tutorial will guide you through how to setup a .NET Application to export your .NET metrics and do basic processing. You’re going to learn the following:
- How to edit and drop metrics
- How to setup application metrics with OpenTelemetry using the console exporter
- How to add external instrumentation like runtime metrics 

https://www.youtube.com/watch?v=Gx8zNOcQSm8