— Simon Aronsson

Field notes on software, observability, and running teams.

Engineering leader at Canonical, focused on making observability accessible and valuable to teams of any size. Over the years I've worked across software engineering, open source, developer tooling, and technical leadership, with a particular interest in helping teams build systems that are understandable, reliable, and worth operating. This site is where I publish essays, talks, and notes on software, observability, and running teams.

presently
Reading JPod by Coupland. Building Modules for Conduit.
8 total

My design goals for building an autonomous AI agent, rather than limiting it to interactive prompting session-by-session.

AI · 5 min read

A sizing tool for COS Lite deployments. It used to live here but got lost in one of my many blog migrations. Now it’s back!

Canonical Observability Stack · 1 min read

Signal Studio explores a deficit in the OpenTelemetry ecosystem: how to assess the impact of changes to your config.yaml before rolling out in production.

Observability · 8 min read

This site has needed a facelift for years. Not because the technology was outdated, but because every previous version of this blog eventually died. Quietly.

Development · 2 min read

The last couple of years, there has been quite a lot of development lowering the barrier of entry for observability. There are now quite a few, reasonably mature options out there that lets you set up…

Observability · 6 min read

At SLOConf 2021 I talked about how we may use error budgets to add pass/fail criterias to reliability tests we run as part of our CI pipelines.

Site-Reliability Engineering · 8 min read