# Dagster: Major incident: Some Dagster Cloud API Requests failing with an Internal Server Error

**Summary:** Some Dagster Cloud API requests and a small number of runs failed with Internal Server Error exceptions due to a storage-engine timeout. The vendor rated the incident major; it ran from 2024-04-11 17:02 UTC to 2024-04-11 21:25 UTC, lasting 4 h 23 min. A fix was implemented and the incident resolved. _(machine-written, sol)_
- Kind: Major incident · Label: outage (model (Jev))
- Changed: 2024-04-11 17:02 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://stspg.io/xt053y4qbl4r](https://stspg.io/xt053y4qbl4r)
- [Company: Dagster](https://rewindex.com/company/dagster.md)
- Versions: before (none: first archived) → after incident\_version:141/f3fxxc0fh9v9@04b058a5f3c2
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ Some Dagster Cloud API Requests failing with an Internal Server Error
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2024-04-11 17:02 UTC
```

**5. Added: Resolved time**

```diff
+ 2024-04-11 21:25 UTC
```

**6. Added: Affected components**

```diff
+ API
```

**7. Added: Update** (identified) · 2024-04-11 17:02 UTC

```diff
+ Starting earlier this week, a small number of runs in Dagster Cloud started failing with an Internal Server Error exception due to a timeout in our storage engine. We've identified the source of the problem and are in the process of rolling out a fix.
```

**8. Added: Update** (identified) · 2024-04-11 17:04 UTC

```diff
+ We are continuing to work on a fix for this issue.
```

**9. Added: Update** (monitoring) · 2024-04-11 17:54 UTC

```diff
+ A fix has been implemented and we are monitoring the results.
```

**10. Added: Update** (resolved) · 2024-04-11 21:25 UTC

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

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2024-04-11 17:02 UTC | Major incident: Some Dagster Cloud API Requests failing with an Internal Server Error (this change) | outage |

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._


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Canonical: https://rewindex.com/change/ic7455568803e57 · Markdown: https://rewindex.com/change/ic7455568803e57.md · JSON: https://rewindex.com/api/v1/changes/ic7455568803e57 · Generated 2026-10-18T03:29:40.539Z