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Under the hood, off the hot path: How D1 scales to millions of databases

Technology · en

Under the hood, off the hot path: How D1 scales to millions of databases

Cloudflare Blog · Official source · Oct 13, 2026, 4:20 PM UTC

A deep dive into how D1 architected its control plane to scale and manage millions of databases, while keeping data plane query operations at the edge. We share guiding principles on how to build on the Developer Platform effectively.