# Statsig: Major incident: Success Rate Drop for Europe North Region

**Summary:** Statsig reported a major success-rate drop in Europe North starting 2025-10-09 15:30 UTC, lasting 5 min and resolving at 2025-10-09 15:35 UTC. Listed affected components were Config Delivery API - Europe West 1, Europe West 1, and Log Event API; no cause or fix was stated. _(machine-written, sol)_
- Kind: Major incident · Label: degradation (model (Jev))
- Changed: 2025-10-09 15:30 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://stspg.io/5lr6jq2pkz74](https://stspg.io/5lr6jq2pkz74)
- [Company: Statsig](https://rewindex.com/company/statsig.md)
- Versions: before (none: first archived) → after incident\_version:208/q4wpfxqr1978@d692532c8c6f
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ Success Rate Drop for Europe North Region
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2025-10-09 15:30 UTC
```

**5. Added: Resolved time**

```diff
+ 2025-10-09 15:35 UTC
```

**6. Added: Affected components**

```diff
+ Config Delivery API - Europe West 1, Europe West 1, Log Event API
```

**7. Added: Update** (investigating) · 2025-10-09 15:30 UTC

```diff
+ At 08:30:00 GMT-0700, we saw a drop in success rate metrics for approximately 5 minutes in our Europe North region, that has now resolved. The team is investigating further.
```

**8. Added: Update** (resolved) · 2025-10-09 15:35 UTC

```diff
+ Resolved.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2025-10-09 15:30 UTC | Major incident: Success Rate Drop for Europe North Region (this change) | degradation |

All Statsig changes: [timeline](https://rewindex.com/company/statsig/changes.md)
_Diff excerpts are shown on normalized text: dates, counters and tokens appear as ‹date›, ‹count›, ‹tok›; noise-only edits are hidden. Rewindex shows the changed passages, not a copy of the page._


---
Canonical: https://rewindex.com/change/i3b67981b5e234f · Markdown: https://rewindex.com/change/i3b67981b5e234f.md · JSON: https://rewindex.com/api/v1/changes/i3b67981b5e234f · Generated 2026-10-18T02:55:27.828Z