Wandering Margin

Recent writing

Notes on system reliability

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

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

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

Thoughts on systems. Updated monthly.

Elsewhere

Occasional notes on systems topics. Past essays here.