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SLO monitoring

Natalia Sikora-Zimna (Nobl9) along with my dear colleagues Toshal Dudhwala and Imaya Kumar Jagannathan explain how AWS Observability Services and Nobl9 Provide Quick and Easy SLO Monitoring.

Parca intro

Sumera Priyadarsini providing an Introduction to Parca - Part 1, the missing piece for this wonderful Continuous Profiling project. This article covers everything, from usage to internals and, given the title, I expect a Part 2, soonish? ;)


If you like to do low-level interactions in OpenTelemetry, using the command line then check out what Kristof Kowalski open sourced: opentelemetry-shell. Very awesome and a bit scary.

Metrics federation^2

Visualizing metrics across Amazon Managed Service for Prometheus workspaces using Amazon Managed Grafana by my colleagues Mark Hudson and Godwin Sahayaraj Vincent is a hands-on piece showing how to use the aptly named promxy proxy to federate multiple Managed Prometheus workspaces.

Diving into OpenTelemetry specs

Nikolay Sokolik wrote up Diving Into OpenTelemetry’s Specs – The Story of How I Wrote Another Instrumentation, which is a short and nice piece documenting the challenges in this space. Thanks for sharing!

Performance and health metrics

Nice article on Key Server Metrics to Monitor for Peak Performance and Health by Ehab Qadah with lots of relevant tips and tricks.

Code tags

Adding Code Tags to Your OpenTelemetry Spans by Martin Thwaites is an excellent hands-on example of applied developer o11y. He shows how to use OpenTelemetry in .NET to improve debugging. Noice!

That was it for this edition of the o11y newsletter. Feel free to share news items with me via Twitter—DMs are open if you like to share something in private. Stay safe and hope to see you around next week!