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 demonstrate how to add OpenTelemetry Metrics to a real life .NET 8 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 discussing some key concepts that you should know when using OpenTelemetry Metrics with dotnet.

Starting with version 8, Polly provides Telemetry for all built-in strategies. This post will show you how you can send this Telemetry to Prometheus and Grafana for a more in-depth analysis using OpenTelemetry Metrics.