# RudderStack: Major incident: Data loss of small percentage of warehouse events on free tier

**Summary:** RudderStack reported major-impact loss of a small percentage of free-tier warehouse events from 2025-03-03 09:00 UTC to 2025-03-03 10:00 UTC, lasting 1 h 0 min. The vendor attributed degraded performance, failing health checks and increased service restarts to custom configurations not restored during an internal database migration; it reported implementing a fix and resolved the incident. _(machine-written, sol)_
- Kind: Major incident · Label: degradation (model (Jev))
- Changed: 2025-03-03 09:00 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://stspg.io/tnqfkkk0bm40](https://stspg.io/tnqfkkk0bm40)
- [Company: RudderStack](https://rewindex.com/company/rudderstack.md)
- Versions: before (none: first archived) → after incident\_version:161/qqy1dg9fw4lh@a294894a3f7c
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ Data loss of small percentage of warehouse events on free tier
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2025-03-03 09:00 UTC
```

**5. Added: Resolved time**

```diff
+ 2025-03-03 10:00 UTC
```

**6. Added: Affected components**

```diff
+ Warehouses
```

**7. Added: Update** (investigating) · 2025-03-03 09:00 UTC

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

**8. Added: Update** (identified) · 2025-03-03 10:00 UTC

```diff
+ The issue has been identified and a fix is being implemented.
```

**9. Added: Update** (resolved) · 2025-03-03 10:00 UTC

```diff
+ This incident has been resolved. During the migration of our internal database, certain custom configurations from the previous version were not restored in the new setup. This led to degraded service performance, causing failing health checks and an increase in service restarts.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2025-03-03 09:00 UTC | Major incident: Data loss of small percentage of warehouse events on free tier (this change) | degradation |

All RudderStack changes: [timeline](https://rewindex.com/company/rudderstack/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/ie2e62294a198d1 · Markdown: https://rewindex.com/change/ie2e62294a198d1.md · JSON: https://rewindex.com/api/v1/changes/ie2e62294a198d1 · Generated 2026-10-18T03:55:51.658Z