2025-04-21¶

OTel at KubeCon¶

Check out the recordings of OpenTelemetry talks at KubeCon EU 2025 up on YouTube, kudos to Alex Boten.

Observability costs¶

How Much Should I Be Spending On Observability? asks the one and only Charity Majors and provides some answers as well. Thank you!

Prometheus tuning¶

In Prometheus: How We Slashed Memory Usage Aleksandro Matejic explains how to identify costly metrics in a hands-on manner, for example, using promtool.

Netflix flow logs learnings¶

Interesting article via the Netflix Technology Blog on the topic of how to accurately attribute flow IP addresses to workload identities, read How Netflix Accurately Attributes eBPF Flow Logs.

Value-driven observability¶

Andrew Mallaband published Value-Driven Observability: Aligning Data with Business Impact, a deep-dive with great insights. Thanks!

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!