Modern Margin

Recent posts

Incremental adoption of types

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.

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From the archive

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.

About this site

These are my notes on building reliable, readable, maintainable systems. Interested in clarity over cleverness.

Thoughts on design. Updated weekly.

Elsewhere

Occasional notes on design topics. Archives here.