2025-05-19¶

OpenTelemetry log levels¶

In A Modern Approach to Log Levels with OpenTelemetry Ayooluwa Isaiah dives deep into the semantics of log levels and how to apply them. Excellent work!

Getting started with OTel in .NET¶

Getting Started with OpenTelemetry: Observability Made Easy by Simon Foster is a nice hands-on .NET getting started guide.

Hands-on OTel¶

The one and only Cees Bos on How I solved production issues with OpenTelemetry (and how you can too), including the slide deck from his JCON 2025 talk and references to hands-on material. Thanks a lot and KUTGW!

Mobile observability¶

Learn from subject matter expert Hanson Ho: On the Real Subject of Observability on Mobile, sharing great insights and food for thoughts.

Kubernetes deployments¶

Did you know that there is a PromQL query to track Kubernetes deployments? In The Easiest Way to Track Kubernetes Deployments in Grafana Netanel Avraham explains how to use it along with providing context of the underlying GitHub release.

That was it for this edition of the o11y newsletter. Feel free to share news items with me via Bluesky DM. Stay safe and hope to see you around next week!