# Prometheus writes, Logs, and Synthetic Monitoring in prod-eu-west-3 are degraded

- Provider: [Grafana Cloud](https://down.guide/grafana-cloud)
- Level: confirmed
- Impact: Degraded
- lasted 1d 3h
- started 2026-03-24 09:08 UTC
- Azure Netherlands - prod-eu-west-3, Azure Netherlands - prod-eu-west-3: API, Azure Netherlands - prod-eu-west-3: Ingestion +1
- eu, eu-west-3
- id: DWN-34933802cd
- Official page: https://stspg.io/rh13vpdfyrzr

## Updates from Grafana Cloud
### 2026-03-24 09:08 UTC: investigating
We are currently experiencing degraded writes for mimir-prod-22 in prod-eu-west-3 since 08:45Z.

### 2026-03-24 09:19 UTC: monitoring
A fix has been implemented and we are monitoring the results.

### 2026-03-24 21:23 UTC: monitoring
We have not observed any recent errors, but we will continue to monitor while we work with our CSP.

### 2026-03-25 07:04 UTC: investigating
We are moving this back to 'Investigating' as we are now observing a substantial drop in successful ingestion and increase in write path errors, and elevated rule evaluation latency and error. Reads are mostly fine. Our Engineering team is actively investigating this and we will provide further updates as our investigation progresses.

### 2026-03-25 07:43 UTC: investigating
This is also now impacting Logs and Synthetic Monitoring in prod-eu-west-3. 
For Synthetic Monitoring, users might observe errors pushing check execution metrics, and this can eventually lead to missing data.
In addition, users might observe errors evaluating Synthetic Monitoring provisioned alert rule evaluations, and this can lead to missed alerts.
For Logs, there is no immediate impact on alerts, however, remote writes to Mimir is delayed which means users may see gaps in their recording rules.

### 2026-03-25 12:52 UTC: resolved
This incident has been resolved.

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