# Cartesia: Major incident: Autoscaling performance investigation

**Summary:** _summary pending_
- Kind: Major incident · Label: major (vendor)
- Changed: 2026-07-30 20:10 UTC · Detected: 2026-10-19 17:03 UTC
- [Source: https://status.cartesia.ai/incidents/01KYTDEFV9W75A4RP36KYXMGDR](https://status.cartesia.ai/incidents/01KYTDEFV9W75A4RP36KYXMGDR)
- [Company: Cartesia](https://rewindex.com/company/cartesia.md)
- Versions: before (none: first archived) → after incident\_version:674/01KYTDEFV9W75A4RP36KYXMGDR@4bf428c55366
- Change 1 of 1 for this incident

Incident page (full timeline): [Autoscaling performance investigation](https://rewindex.com/company/cartesia/incidents/01KYTDEFV9W75A4RP36KYXMGDR.md)
## What changed

**1. Added: Title**

```diff
+ Autoscaling performance investigation
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2026-07-30 20:10 UTC
```

**5. Added: Resolved time**

```diff
+ 2026-07-31 03:31 UTC
```

**6. Added: Update** (investigating) · 2026-07-30 21:03 UTC

```diff
+ We’re investigating an issue affecting autoscaling performance. Services remain available, though some customers may experience temporary degradation in quality. Our team is actively working to identify and mitigate the issue, and we’ll provide updates as they become available.
```

**7. Added: Update** (investigating) · 2026-07-30 23:31 UTC

```diff
+ We’re investigating an issue affecting autoscaling performance. Services remain available, though some customers may experience temporary degradation in quality. Our team is actively working to identify and mitigate the issue, and we’ll provide updates as they become available. We've also identified partial failures for some voice cloning requests and mitigated the issue.
```

**8. Added: Update** (resolved) · 2026-07-31 03:31 UTC

```diff
+ We've mitigated this issue and customers should no longer see any degraded performance.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-07-30 20:10 UTC | Major incident: Autoscaling performance investigation (this change) | major |

All Cartesia changes: [timeline](https://rewindex.com/company/cartesia/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/i21b34b57883195 · Markdown: https://rewindex.com/change/i21b34b57883195.md · JSON: https://rewindex.com/api/v1/changes/i21b34b57883195 · Generated 2026-10-20T00:48:56.030Z