Simon Aronsson

Building Nothing to share currently.

After five years of leading Observability at Canonical, that journey is coming to an end.

A Juju charm performance case study tracing slow NRPE target reconciliation to repeated downstream relation databag updates, and showing how batching cuts hook-tool invocations dramatically.

Documentation used to back up organizational memory.

Why clever code is an organizational output, not an engineering one — and how agents turn a slow-moving problem into a fast one.

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

A sizing tool for COS Lite deployments.

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.

This site has needed a facelift for years.

The last couple of years, there has been quite a lot of development lowering the barrier of entry for observability.

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.

There are severe consequences of allowing shaming and blaming in your engineering culture.