# Sanity: Major incident: Query Performance Degradation for Some Customers

**Summary:** Sanity reported major query performance degradation affecting a small subset of customers, with increased latency and intermittent timeouts. The recorded start, 2026-06-26 09:53 UTC, is after the recorded resolution, 2026-06-25 20:30 UTC; duration is unknown. Engineering implemented mitigations and restored normal query performance. _(machine-written, sol)_
- Kind: Major incident · Label: degradation (model (Jev))
- Changed: 2026-06-26 09:53 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://stspg.io/gw5gndr5rs21](https://stspg.io/gw5gndr5rs21)
- [Company: Sanity](https://rewindex.com/company/sanity.md)
- Versions: before (none: first archived) → after incident\_version:206/g959bclwfwfz@26102d1ff4fe
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ Query Performance Degradation for Some Customers
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2026-06-26 09:53 UTC
```

**5. Added: Resolved time**

```diff
+ 2026-06-25 20:30 UTC
```

**6. Added: Update** (resolved) · 2026-06-25 20:30 UTC

```diff
+ A small subset of customers experienced increased query latency and intermittent timeouts during this incident. Our engineering team identified the issue, implemented mitigations, and restored normal query performance. The incident has been resolved.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-06-26 09:53 UTC | Major incident: Query Performance Degradation for Some Customers (this change) | degradation |

All Sanity changes: [timeline](https://rewindex.com/company/sanity/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/i0b250a5ad543df · Markdown: https://rewindex.com/change/i0b250a5ad543df.md · JSON: https://rewindex.com/api/v1/changes/i0b250a5ad543df · Generated 2026-10-18T02:29:30.351Z