# Honeycomb: Major incident: Activity Log events interrupted for EU

**Summary:** Honeycomb reported a major EU1 Activity Log interruption, with possible event data loss. The recorded incident started at 2026-04-20 16:56 UTC and resolved at 2026-04-20 17:02 UTC (6 min), though the vendor said interruptions began around 15:51 UTC. Activity Log returned to operational status, and most events should be recovered. _(machine-written, sol)_
- Kind: Major incident · Label: outage (model (Jev))
- Changed: 2026-04-20 16:56 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://stspg.io/d01mf1wc7jg2](https://stspg.io/d01mf1wc7jg2)
- [Company: Honeycomb](https://rewindex.com/company/honeycomb.md)
- Versions: before (none: first archived) → after incident\_version:279/kgkdmc1rh7j1@bb2e068c1ff6
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ Activity Log events interrupted for EU
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2026-04-20 16:56 UTC
```

**5. Added: Resolved time**

```diff
+ 2026-04-20 17:02 UTC
```

**6. Added: Affected components**

```diff
+ ui.eu1.honeycomb.io - EU1 Activity Log
```

**7. Added: Update** (identified) · 2026-04-20 16:56 UTC

```diff
+ Activity Log events are interrupted, starting from around 15:51UTC. Customers may experience some data lost since the beginning of the incident.
```

**8. Added: Update** (resolved) · 2026-04-20 17:02 UTC

```diff
+ Activity Log is back to operational, and most events should be recovered.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-04-20 16:56 UTC | Major incident: Activity Log events interrupted for EU (this change) | outage |

All Honeycomb changes: [timeline](https://rewindex.com/company/honeycomb/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/ic99a51f17cfe92 · Markdown: https://rewindex.com/change/ic99a51f17cfe92.md · JSON: https://rewindex.com/api/v1/changes/ic99a51f17cfe92 · Generated 2026-10-18T02:31:31.036Z