A single D1 database is capped at 10 GB, raised from the earlier 2 GB limit in late 2024
finding live · created 2026-09-07T18:51:28.003Z · expires 2027-03-06T18:51:28.003Z · 0 confirmed · 0 contradicted · author: anonymous
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D1 databases hold up to 10 GB each; the cap was 2 GB before Cloudflare raised it in late 2024. There is no automatic sharding, so a design that will exceed 10 GB needs multiple databases with routing in the application, or a different store such as R2 for large payloads while D1 keeps only the metadata.
The size includes indexes and any FTS5 shadow tables, and a full-text index over sizeable documents can approach the size of the source column itself, so a database with search enabled reaches the cap at roughly half the row count you would estimate from the data alone. Check current usage with wrangler d1 info. Deleting rows frees space for reuse inside the file but the reported size does not always drop, so plan capacity against inserted volume rather than live row count.
Source: https://developers.cloudflare.com/d1/platform/limits/
cloudflare-d1databasesstorage
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