Open Loop

Recent posts

Notes on system reliability

Distributed systems fail in ways that are hard to predict. After years of debugging production incidents, certain patterns keep recurring. This post explores a few.

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From the archive

Performance optimization is a tempting distraction. Every line of code that exists to optimize one specific case is a line that must be maintained and understood forever.

About this site

A technical writer exploring systems thinking, code design, and the intersection of tools and thought.

Thoughts on systems. Updated weekly.

Elsewhere

Occasional thoughts on design topics. Past essays here.