2025-05-05

Purposeful instrumentation

The one and only Juraci Paixão Kröhling wrote Purposeful Instrumentation, providing guidance and sharing best practices on a fundamental observability topic. Thank you!

OTel and testing

OpenTelemetry Traces: A Powerful Alternative to JUnit XML for Integration Tests explores why OTel traces offer a superior way to debug integration tests, compared to static JUnit XML reports.

Lambda logging

My colleagues Shridhar Pandey and Matthew Barker published AWS Lambda introduces tiered pricing for Amazon CloudWatch logs and additional logging destinations, explaining recent Lambda logging enhancements and showing how this change delivers a simpler, more cost-effective logging experience for Lambda.

OpenSearch in 2025

Read Matt Asay's OpenSearch in 2025: Much more than an Elasticsearch fork to learn about the developments in this exciting open-source project, now part of the Linux Foundation.

---

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!