Start with a clear observation
Describe what happened before deciding why it happened. A useful observation includes the time, the conditions, and a way to repeat it.
Small notes on building reliable systems.
A collection of practical ideas about software, networks, and everyday engineering.
Make change easy to understand
Keep changes focused. Prefer a small, well understood improvement over several unrelated adjustments, and keep a clear path back.
Measure what matters
A service is useful when people can complete their work. Check the full journey, from the initial request to the final result.