SLOs without the theatre
How to define error budgets that engineers actually use, and how to wire them into deployment decisions instead of quarterly slide decks.
SLOs only matter if they change behaviour. A dashboard nobody reads and a quarterly report nobody acts on are theatre — expensive theatre, but theatre.
Pick three signals, not thirty
For most services, availability, latency and a single correctness signal cover 90% of what users actually feel. More than that and the org loses focus on which dial to turn when things go wrong.
Wire budgets to deploys
When the error budget is exhausted, the deployment pipeline should automatically gate non-critical changes. This is the moment the SLO stops being a number on a wall and starts being a decision-making tool.
Make the conversation easy
Publish a one-page service-health summary every Monday. Five lines: budget remaining, biggest burner last week, one improvement shipped, one improvement planned, on-call sentiment. That's it.
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