2025-07-21¶

Instrumentation choices¶

The one and only Julius Volz with a somewhat spicy take: Why I recommend native Prometheus instrumentation over OpenTelemetry. I appreciate the stance and his transparent approach!

OTel 101¶

Why is OpenTelemetry important? by Saeed Zarinfam is a nice and short overview YouTube video on the topic. It also links to a Medium post with more context but that's behind a members-only paywall.

OTel collector distros¶

Juliano Costa on Choosing the right OpenTelemetry Collector distribution via the Datadog blog, providing useful guidance on when to use which.

OTel on the frontend¶

Via TNS, by Hazel Weakly, read Setting Up OpenTelemetry on the Frontend Because I Hate Myself and learn how to approach it properly.

State of o11y¶

In State of Observability 2025, ManageEngine provides a report (need to sign up) based on the input of over 1,000 IT professionals, covering observability maturity, ROI, and challenges.

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!