# Dagster: Critical incident: Cloud application cluster outage

> Dagster reported a critical production application cluster outage affecting API and Dagster Cloud UI for all Dagster+ cloud customers, starting 2026-10-22 17:14 UTC. It was still open when archived, open for 0 min at the last update; Dagster was investigating and working on a resolution.

Canonical: https://rewindex.com/change/i695b6e76d64d94
Last updated: 2026-10-22T17:23:54Z

**Summary:** Dagster reported a critical production application cluster outage affecting API and Dagster Cloud UI for all Dagster+ cloud customers, starting 2026-10-22 17:14 UTC. It was still open when archived, open for 0 min at the last update; Dagster was investigating and working on a resolution. _(machine-written, sol)_
- Kind: Major incident · Label: outage (model (Jev))
- Changed: 2026-10-22 17:14 UTC · Detected: 2026-10-22 17:23 UTC
- [Source: https://dagstercloud.statuspage.io/incidents/z604vty4vbhx](https://dagstercloud.statuspage.io/incidents/z604vty4vbhx)
- [Company: Dagster](https://rewindex.com/company/dagster.md)
- Versions: before (none: first archived) → after incident\_version:141/z604vty4vbhx@0ebc6e69c6a1
- Change 1 of 4 for this incident

Incident page (full timeline): [Cloud application cluster outage](https://rewindex.com/company/dagster/incidents/z604vty4vbhx.md)
## What changed

**1. Added: Title**

```diff
+ Cloud application cluster outage
```

**2. Added: Impact**

```diff
+ critical
```

**3. Added: Status**

```diff
+ investigating
```

**4. Added: Start time**

```diff
+ 2026-10-22 17:14 UTC
```

**5. Added: Affected components**

```diff
+ API, Dagster Cloud UI
```

**6. Added: Update** (investigating) · 2026-10-22 17:14 UTC

```diff
+ We are experiencing an issue with our production application cluster, impacting all Dagster+ cloud customers. We are currently investigating and working on a resolution.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-10-22 17:14 UTC | Critical incident: Cloud application cluster outage (this change) | outage |
| 2026-10-22 17:44 UTC | [Incident updated: Cloud application cluster outage](https://rewindex.com/change/r400e16f7327369.md) | Normal progress |
| 2026-10-22 17:53 UTC | [Incident updated: Cloud application cluster outage](https://rewindex.com/change/r9beae9680c6e25.md) | Normal progress |
| 2026-10-30 13:53 UTC | [Incident updated: Cloud application cluster outage](https://rewindex.com/change/r7259e04975058d.md) | Normal progress |

Next: [change](https://rewindex.com/change/r400e16f7327369.md) · All Dagster changes: [timeline](https://rewindex.com/company/dagster/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._

## Cite this

Critical incident: Cloud application cluster outage on Dagster’s status page, changed 2026-10-22 17:14 UTC (change 1 of 4).

- Canonical URL: https://rewindex.com/change/i695b6e76d64d94
- Citation: Dagster, “Critical incident: Cloud application cluster outage” (2026-10-22 17:14 UTC). Archived by Rewindex: https://rewindex.com/change/i695b6e76d64d94 (CC BY 4.0).
- Markdown link: `[Dagster: Critical incident: Cloud application cluster outage (2026-10-22)](https://rewindex.com/change/i695b6e76d64d94)`


---
Canonical: https://rewindex.com/change/i695b6e76d64d94 · Markdown: https://rewindex.com/change/i695b6e76d64d94.md · JSON: https://rewindex.com/api/v1/changes/i695b6e76d64d94 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-04T16:24:01.607Z