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Happy New Year to you and welcome back to!

Instrumenting Flask app

In Flask Application Manual Instrumentation for Distributed Traces we learn how to apply OpenTelemetry in a Python context.

Real user monitoring tip

My colleagues Rich McDonough and Quinn Hanam on How and when to enable session cookies with Amazon CloudWatch RUM. RUM is short for real user monitoring, a CW feature that was launched at re:Invent 2021.

Otel meshing it

The one and only Michael Haberman shares OpenTelemetry and Istio: Everything you need to know, a no-BS rundown on the topic you should read.

Grafana 2021

Grafana 2021: Year in review by the fabulous Grafana Labs team lists all the cool features and plugins developed in 2021. Looking forward to 2022 and continue the work, together.

Grafana visibility

Who watches the watchers? For Grafana, the answer now is simple: check out nicolastakashi/cole, or in their own words:

Cole is a lightweight service that handles HTTP logs of Grafana to provide insights about the usage of Grafana instances and expose it through Prometheus metrics.

Profiling guide

Stumbled upon it and wished I had seen this one earlier: The Busy Developer's Guide to Go Profiling, Tracing and Observability.

Improving on-call fatigue

Ok, this is technically not news (09/2021) but this USENIX ;login: article was new to me and I found it worth sharing, so here we go: Daria Barteneva on Improving On-call Fatigues.

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!