Essays on durable systems, open source, and building software.
Latest · September 9, 2026
A lease with a timeout is not a lockFour fixes for one duplicate email. Each one closed a real gap. None of them was a lock, because none of them ran inside the write.
August 24, 2026
Durable Objects without Cloudflare, on the database you already runThe Durable Objects programming model as a plain library on the SQL database you already run. And as of this week, the whole runtime runs in a browser tab on SQLite WASM.