Writing

Notes and essays.

Writing about the things I work on and think about. AI infrastructure, the technical craft of building systems, and the human questions that sit underneath the work. Essays land when they are ready.

Idempotency keys, and the quiet cost of getting them wrong
2026-06-10 · 3 min
A retry is not a duplicate, until it is. Notes on making write paths safe to repeat without turning your database into a coordination bottleneck.
distributed-systemsreliabilitytechnical

Idempotency keys, and the quiet cost of getting them wrong