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Errors as metrics

Andrii Abramov has a very nice, hands-on deep dive on to how to collect NestJS errors and export them as Prometheus metrics, check out: Errors as metrics in NestJS.

Cardinality challenge

Listen to and/or watch this excellent OpenObservability episode with Ben Sigelman (co-founder and the GM of Lightstep): Expensive Observability: The Cardinality Challenge.

Observability at Intercom

In Building a resilient system: Our journey to observability at Intercom, Kesha Mykhailov (Staff Product Engineer at Intercom) describes their journey in the o11y space. Thank you for sharing!

QCon London retro

Key Takeaway Points and Lessons Learned from QCon London & Plus 2022 by Abel Avram has some good discussions and lessons learned from our "Debug, Analyze, and Optimize... in Production!" track.

OTel and operations

From the Dynatrace Editorial Team: OpenTelemetry enables automated operations management at scale, has some good points from the SRE/dev ops point of view.

FrostDB in Prometheus

Nice article on Winter is coming - FrostDB in Prometheus by Thor, discussing its usage as Prometheus TSDB. Interesting :)

Loki in action

Loki - Access logs the smart way by Anais Urlichs is an excellent hands-on tutorial, showing Loki in action, thank you!

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!