# Mimir query unexpected response with status code 500

- Provider: [Grafana Cloud](https://down.guide/providers/grafana-cloud)
- Confidence: Confirmed
- Impact: Degraded
- lasted 8h 32m
- started 2026-11-10 03:38 UTC
- AWS US East - prod-us-east-0: Querying, GCP US Central - prod-us-central-0: Querying
- us, us-central-0, us-east-0
- id: DWN-4286df2342
- Official page: https://stspg.io/fvnhy2nn4xq6

## Summary
Grafana Cloud says Mimir queries were returning an unexpected response with status code 500 when querying older data. The provider says a fix has been implemented and it is monitoring the results, with the incident in a monitoring state.

_Written by anthropic/claude-haiku-5.5 from Grafana Cloud's own updates._

## Updates from Grafana Cloud
### 2026-11-10 03:38 UTC: identified
We’ve identified an issue querying older data, and are already seeing recovery

### 2026-11-10 03:39 UTC: identified
We’ve identified an issue querying older data, and are already seeing recovery.

### 2026-11-10 04:42 UTC: monitoring
A fix has been implemented and we are monitoring the results.

### 2026-11-10 09:53 UTC: monitoring
Our mitigation remains in place and query behavior in AWS US East (OH) and GCP US Central continues to improve. Some customers may still see occasional, brief query errors in the meantime.

### 2026-11-10 11:18 UTC: monitoring
Our mitigation remains in place and query behavior in AWS US East (OH) and GCP US Central continues to improve. Some customers may still see occasional, brief query errors in the meantime.

### 2026-11-10 12:09 UTC: resolved
From approximately 03:20 UTC on 10 November, some Grafana Cloud Metrics customers in AWS US East (OH) and GCP US Central saw errors, or failed queries, when reading older data. Service has fully recovered and this incident is now resolved.

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