# Firebolt: Major incident: Amazon Elastic Compute outage

**Summary:** Firebolt reported a major Amazon Elastic Compute outage affecting AWS EC2 instances, with API, Engines and Web Application listed as affected components. It started at 2021-12-22 12:41 UTC and was resolved at 2021-12-22 20:17 UTC, lasting 7 h 35 min. Firebolt said AWS identified the issue and a fix was in progress before resolution. _(machine-written, sol)_
- Kind: Major incident · Label: outage (model (Jev))
- Changed: 2021-12-22 12:41 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://stspg.io/5rbjtpsrmmv8](https://stspg.io/5rbjtpsrmmv8)
- [Company: Firebolt](https://rewindex.com/company/firebolt.md)
- Versions: before (none: first archived) → after incident\_version:147/1tjx7gffthhm@3c6db1efaf34
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ Amazon Elastic Compute outage
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2021-12-22 12:41 UTC
```

**5. Added: Resolved time**

```diff
+ 2021-12-22 20:17 UTC
```

**6. Added: Affected components**

```diff
+ API, AWS - EC2, EC2, Engines, Firebolt Components - API, Firebolt Components - Engines, Firebolt Components - Web Application, Web Application
```

**7. Added: Update** (investigating) · 2021-12-22 12:41 UTC

```diff
+ We are experiencing an issue with AWS EC2 instances.
```

**8. Added: Update** (monitoring) · 2021-12-22 14:13 UTC

```diff
+ The issue has been identified by AWS and a fix is in progress. Waiting for a full recovery.
```

**9. Added: Update** (resolved) · 2021-12-22 20:17 UTC

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

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2021-12-22 12:41 UTC | Major incident: Amazon Elastic Compute outage (this change) | outage |

All Firebolt changes: [timeline](https://rewindex.com/company/firebolt/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/i0516d46053b434 · Markdown: https://rewindex.com/change/i0516d46053b434.md · JSON: https://rewindex.com/api/v1/changes/i0516d46053b434 · Generated 2026-10-18T02:55:18.027Z