Notes
A working index
Compact records about software, systems, and the decisions that are easy to forget once something starts working.
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Keeping small systems legible
A system can be small and still be difficult to reason about. A few habits keep its shape visible.
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Measure before tuning
Useful performance work begins with a question, a boundary, and a repeatable observation.
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Reducing moving parts
Complexity is often introduced one reasonable decision at a time. Removing it works the same way.