Cloudflare D1: SQLite at the Edge After 6 Months in Production

Cloudflare D1: SQLite at the Edge After 6 Months in Production D1 went GA in late 2024. I've been running it in production for six months across two projects — one high-read SaaS, one write-heavy background job system. Here's what actually happened. What D1 Actually Is D1 is SQLite running on Cloudflare's edge network. Your database sits physically close to your users. Reads are local. Writes replicate. That last part matters. D1 uses a primary-replica model: one primary node accepts writes, cha