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D1 - D1 will enforce a maximum query result size of 50 MB

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Cloudflare·Oct 30, 2026, 12:00 AMFeatureMay break your integrationAI-assisted summary

Summary

D1 will enforce a 50 MB maximum query result size; larger results will fail with an error
Import/export via REST API are exempt, but queries must be trimmed (e.g., select specific columns, paginate)
The limit covers the 99.999th percentile, so most users won’t be affected

featurebreakingsource healthy

Official source Last checked Nov 11, 2026, 4:00 PM

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AI-assisted summarysource healthyLast checked Nov 11, 2026, 4:00 PM

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