# Vercel: Major incident: Delays in Drains, Observability, and Workflow in Washington (iad1)

**Summary:** Vercel reported a major degradation in Washington (iad1), delaying Drains delivery, logs, metrics, and traces, and leaving Workflow runs pending. It started at 2026-10-10 00:15 UTC and resolved at 2026-10-10 01:37 UTC, lasting 1 h 21 min. A fix restored delivery; delayed data and Build logs were processed, and all services recovered. _(machine-written, sol)_
- Kind: Major incident · Label: degradation (model (Jev))
- Changed: 2026-10-10 00:15 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://stspg.io/mz4bqspyxvy7](https://stspg.io/mz4bqspyxvy7)
- [Company: Vercel](https://rewindex.com/company/vercel.md)
- Versions: before (none: first archived) → after incident\_version:215/bpzq72pgngc7@634ee508b758
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ Delays in Drains, Observability, and Workflow in Washington (iad1)
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2026-10-10 00:15 UTC
```

**5. Added: Resolved time**

```diff
+ 2026-10-10 01:37 UTC
```

**6. Added: Affected components**

```diff
+ Drains, Logs, Observability, Observability - Drains, Observability - Logs, Observability - Observability, Queues, Workflow
```

**7. Added: Update** (investigating) · 2026-10-10 00:15 UTC

```diff
+ We've identified an issue where some customers may experience delayed drain delivery, delayed logs, metrics, and traces, and Workflow runs that remain pending in Washington (iad1). We are investigating this issue. We will provide additional updates as they become available.
```

**8. Added: Update** (identified) · 2026-10-10 00:35 UTC

```diff
+ A fix has been implemented and delivery has resumed. Delayed Drains deliveries and Observability data are being processed. We are continuing to monitor.
```

**9. Added: Update** (monitoring) · 2026-10-10 01:12 UTC

```diff
+ Delayed Drains deliveries, Observability data, and Build logs have been processed now. We are continuing to monitor and we will provide additional updates as they become available.
```

**10. Added: Update** (resolved) · 2026-10-10 01:37 UTC

```diff
+ All services have recovered.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-10-10 00:15 UTC | Major incident: Delays in Drains, Observability, and Workflow in Washington (iad1) (this change) | degradation |

All Vercel changes: [timeline](https://rewindex.com/company/vercel/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._


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Canonical: https://rewindex.com/change/ie370c8cdbfe477 · Markdown: https://rewindex.com/change/ie370c8cdbfe477.md · JSON: https://rewindex.com/api/v1/changes/ie370c8cdbfe477 · Generated 2026-10-18T01:30:02.262Z