In this two-part series I’m going to show you how to use OpenTelemetry to generate custom metrics and how to visualize those metrics using Prometheus and Grafana. In part 2 I’ll be showing you how to add OpenTelemetry Metrics on a real life .NET 7 app and how to visualize those metrics using Prometheus and Grafana.

In this two-part series I’m going to show you how to use OpenTelemetry to generate custom metrics and how to visualize those metrics using Prometheus and Grafana. In part 1 I’ll be talking about some key concepts that you should know when using OpenTelemetry Metrics with dotnet.