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Continuous profiling: Pyroscope

Check out the "Is It Observable" episode What is Continuous Profiling and What is Pyroscope with Ryan Perry.

O11y-driven development

In The difference between test-driven development and observability-driven development Adnan Rahic of Tracetest provides a hands-on explanation of the topic.

Practical SLO guide

Prathamesh Sonpatki wrote A practical guide for implementing SLO and I recommend to have a look at it if you plan to invest in this area.

Applied dev o11y

Sprkl — more than a VScode extension by Albion Bame is a really well done high-level overview on applied developer observability.

Java OTel metrics primer

Asaf Mesika on OpenTelemetry Metrics Primer for Java Developers. Thank you for this deep-dive resource!

When to Alert on What?

When to Alert on What? by Ali Sattari (SRE at WeTransfer) is a short but super useful post, taking you through the maturity levels of alerting.

Prometheus metric types

The one and only Julius Volz strikes again: watch his YouTube video on Understanding Prometheus Metric Types covering the meaning and usage of gauges, counters, summaries, and histograms in Prometheus.

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!