# Lightdash: Major incident: Degraded performance

**Summary:** Lightdash reported a major incident affecting Lightdash Cloud (EU) and Lightdash Cloud (US), with downtime on larger instances including app.lightdash.cloud and eu1.lightdash.cloud. It started at 2025-06-02 09:43 UTC and was resolved at 2025-06-02 10:50 UTC, lasting 1 h 6 min; no cause or fix was stated. _(machine-written, sol)_
- Kind: Major incident · Label: outage (model (Jev))
- Changed: 2025-06-02 09:43 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://stspg.io/g1h1h3y90rpb](https://stspg.io/g1h1h3y90rpb)
- [Company: Lightdash](https://rewindex.com/company/lightdash.md)
- Versions: before (none: first archived) → after incident\_version:68/n8zrkzrkw8r1@4efba454541c
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ Degraded performance
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2025-06-02 09:43 UTC
```

**5. Added: Resolved time**

```diff
+ 2025-06-02 10:50 UTC
```

**6. Added: Affected components**

```diff
+ Lightdash Cloud (EU), Lightdash Cloud - Lightdash Cloud (EU), Lightdash Cloud - Lightdash Cloud (US), Lightdash Cloud (US)
```

**7. Added: Update** (investigating) · 2025-06-02 09:43 UTC

```diff
+ We are currently investigating this issue.
```

**8. Added: Update** (investigating) · 2025-06-02 10:06 UTC

```diff
+ We're currently experiencing downtime on some of our larger instances, including: - app.lightdash.cloud - eu1.lightdash.cloud Our team is actively investigating the issue and working to restore access as quickly as possible. We’ll keep you updated as soon as we know more. Thanks for your patience!
```

**9. Added: Update** (resolved) · 2025-06-02 10:50 UTC

```diff
+ This incident has been resolved.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2025-06-02 09:43 UTC | Major incident: Degraded performance (this change) | outage |

All Lightdash changes: [timeline](https://rewindex.com/company/lightdash/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/i853ba23b02ffc3 · Markdown: https://rewindex.com/change/i853ba23b02ffc3.md · JSON: https://rewindex.com/api/v1/changes/i853ba23b02ffc3 · Generated 2026-10-18T02:54:50.935Z