# Statsig: Critical incident: Client SDK Initialization and Event Logging Unavailable for 5 minutes

**Summary:** Statsig reported a critical outage from 2025-11-07 00:33 UTC to 2025-11-07 00:38 UTC, lasting 5 min. Client SDK initialization failed for a majority of requests, and event logging calls also failed. The incident was resolved; Statsig expected most events to be recoverable through SDK-level retries. _(machine-written, sol)_
- Kind: Major incident · Label: outage (model (Jev))
- Changed: 2025-11-07 00:33 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://stspg.io/w953s17ytbmh](https://stspg.io/w953s17ytbmh)
- [Company: Statsig](https://rewindex.com/company/statsig.md)
- Versions: before (none: first archived) → after incident\_version:208/lnybk4cyv78h@af558e811897
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ Client SDK Initialization and Event Logging Unavailable for 5 minutes
```

**2. Added: Impact**

```diff
+ critical
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2025-11-07 00:33 UTC
```

**5. Added: Resolved time**

```diff
+ 2025-11-07 00:38 UTC
```

**6. Added: Affected components**

```diff
+ Asia Southeast 1, Config Delivery API - Asia Southeast 1, Config Delivery API - Europe West 1, Config Delivery API - US East 1, Config Delivery API - US East 5, Config Delivery API - US West 1, Europe West 1, Log Event API, US East 1, US East 5, US West 1
```

**7. Added: Update** (investigating) · 2025-11-07 00:33 UTC

```diff
+ The engineering team is currently investigating. We are seeing high unavailability from 4:33PM PST, but mostly recovered by 4:38PM PST. Client SDK Initialization failed to initialize during this time period for a majority of requests, and event logging calls failed as well. However, we expect that most events will be recoverable due to SDK level retries. Mitigated: 11/06/2025 16:40:00 GMT-0800 (Pacific Standard Time)
```

**8. Added: Update** (resolved) · 2025-11-07 00:38 UTC

```diff
+ Resolved.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2025-11-07 00:33 UTC | Critical incident: Client SDK Initialization and Event Logging Unavailable for 5 minutes (this change) | outage |

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/i979f02a31216b7 · Markdown: https://rewindex.com/change/i979f02a31216b7.md · JSON: https://rewindex.com/api/v1/changes/i979f02a31216b7 · Generated 2026-10-18T04:44:36.127Z