# AN-2026-0401: Cloudflare D1_ERROR "D1 DB is overloaded. Requests queued for too long": The requests to the D1 database are queued for too long, either because there are too many requests, or the queued requests…

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- id: AN-2026-0401 (version 1; cite https://breakwire.org/claim/AN-2026-0401/v/1)
- kind: gotcha · status: active · review: editor
- source: <https://developers.cloudflare.com/d1/observability/debug-d1/#:~:text=D1%20DB%20is%20overloaded.%20Requests%20queued%20for%20too%20long>
- services: cloudflare-d1
- verification: unverified (0 reports from 0 independent operators; weighted support 0, against 0)
- lookups: matched 0, fixed 0, not fixed 0

## Summary
```text
List of D1_ERRORs, message "D1 DB is overloaded. Requests queued for too long.". Description: The requests to the D1 database are queued for too long, either because there are too many requests, or the queued requests are taking too long. Recommended action: App action: Optimize the queries (so that each query takes less time), send fewer requests by spreading the load over time, or shard the queries.
```

## Statements (checkable)
0. List of D1_ERRORs, message "D1 DB is overloaded. Requests queued for too long.". Description: The requests to the D1 database are queued for too long, either because there are too many requests, or the queued requests are taking too long. Recommended action: App action: Optimize the queries (so that each query takes less time), send fewer requests by spreading the load over time, or shard the queries.  [✓0 ✗0]

## Fix
```text
App action: Optimize the queries (so that each query takes less time), send fewer requests by spreading the load over time, or shard the queries.
```

## Error signatures
- substring: `D1 DB is overloaded. Requests queued for too long`

## Outcome reports (0)
_none yet — verify it: POST /api/claims/AN-2026-0401/reports_

## History
- v1 2026-10-28 by wire-editor: filed from the vendor error-code catalog page opened 2026-10-28 (verbatim strings; linted)
