# Degraded LLMaJ execution in EU

- Provider: [Langfuse](https://down.guide/langfuse)
- Level: confirmed
- Impact: Degraded
- lasted 1h 19m
- started 2026-08-18 12:06 UTC
- eu
- id: DWN-5b3488e801
- Official page: https://status.langfuse.com/incidents/01M0AC8PM24HN9TVHRWR47G2R2

## Updates from Langfuse
### 2026-08-18 12:06 UTC: investigating
Eval execution in EU region is taking longer than usual

### 2026-08-18 12:27 UTC: identified
evaluation throughput was overwhelmed by a slow tenant/model workload, with lock-expiry retries multiplying work; the concurrent worker rollout prolonged the incident.

### 2026-08-18 12:47 UTC: monitoring
our autoscaling responded slower than expected, but responded nonetheless. the backlog is draining

### 2026-08-18 13:25 UTC: resolved
Steady throughput for the last 30 minutes. Delay \< 5min.

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