What Cloudflare can't do: D1 caps at 10GB, is single-threaded, and no real Postgres
Paimaamu · x · 2026-09-22
A developer running everything on Cloudflare lists its real limits: D1 caps at 10GB per database and is single-threaded (one query at a time); there's no real Postgres — Hyperdrive speeds yours up but doesn't replace it; and long-running work needs Containers or Workflows.
Verdict: still not moving off it, but know what you're signing up for.
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