# MongoDB Atlas: Major incident: Issue impacting Atlas Search availability on certain clusters

**Summary:** MongoDB Atlas reported a major Atlas Search incident causing mongot crashes and potential search and vector search outages for a subset of users. It started at 2026-10-09 16:29 UTC and was resolved at 2026-10-09 18:17 UTC, lasting 1 h 47 min. A fix was deployed at 10-09 17:09 UTC. _(machine-written, sol)_
- Kind: Major incident · Label: outage (model (Jev))
- Changed: 2026-10-09 16:29 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://stspg.io/vp69gw74zqlz](https://stspg.io/vp69gw74zqlz)
- [Company: MongoDB Atlas](https://rewindex.com/company/mongodb-atlas.md)
- Versions: before (none: first archived) → after incident\_version:152/279h4bcrcrlr@c40483ee56f6
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ Issue impacting Atlas Search availability on certain clusters
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2026-10-09 16:29 UTC
```

**5. Added: Resolved time**

```diff
+ 2026-10-09 18:17 UTC
```

**6. Added: Affected components**

```diff
+ MongoDB Atlas Search
```

**7. Added: Update** (investigating) · 2026-10-09 16:29 UTC

```diff
+ Ongoing Atlas Search incident known to cause mongot crashes, potential search and vector search outage, impacting a subset of search and vector search users in the Atlas fleet. We have identified the issue and are working on a fix.
```

**8. Added: Update** (identified) · 2026-10-09 16:30 UTC

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

**9. Added: Update** (monitoring) · 2026-10-09 17:09 UTC

```diff
+ A fix has been deployed and we are monitoring.
```

**10. Added: Update** (resolved) · 2026-10-09 18:17 UTC

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

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-10-09 16:29 UTC | Major incident: Issue impacting Atlas Search availability on certain clusters (this change) | outage |

All MongoDB Atlas changes: [timeline](https://rewindex.com/company/mongodb-atlas/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/ia71e1200ef62f7 · Markdown: https://rewindex.com/change/ia71e1200ef62f7.md · JSON: https://rewindex.com/api/v1/changes/ia71e1200ef62f7 · Generated 2026-10-18T01:00:53.602Z