# Fly.io: Major incident: State database issues in GRU

**Summary:** Fly.io reported a major GRU outage starting 2026-09-24 16:31 UTC, lasting 2 h 40 min and resolved at 2026-09-24 19:11 UTC. Apps continued running, but machine creation or updates and connections could fail. Fly.io linked the issues to a distributed state database migration, identified a bug, and implemented a fix. _(machine-written, sol)_
- Kind: Major incident · Label: outage (model (Jev))
- Changed: 2026-09-24 16:31 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://status.flyio.net/incidents/01M3A6D6GS4V958HNZXC5Z2PEW](https://status.flyio.net/incidents/01M3A6D6GS4V958HNZXC5Z2PEW)
- [Company: Fly.io](https://rewindex.com/company/fly-io.md)
- Versions: before (none: first archived) → after incident\_version:186/01M3A6D6GS4V958HNZXC5Z2PEW@34ba054498ba
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ State database issues in GRU
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2026-09-24 16:31 UTC
```

**5. Added: Resolved time**

```diff
+ 2026-09-24 19:11 UTC
```

**6. Added: Update** (investigating) · 2026-09-24 16:31 UTC

```diff
+ We are investigating issues in GRU related to a migration of our distributed state database. Apps continue to run, but creating or updating machines in GRU region may fail. Connections to apps in GRU, or connections from clients near GRU region, may fail at this time
```

**7. Added: Update** (identified) · 2026-09-24 16:58 UTC

```diff
+ We have identified a bug and are working on a fix.
```

**8. Added: Update** (monitoring) · 2026-09-24 17:27 UTC

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

**9. Added: Update** (resolved) · 2026-09-24 19:11 UTC

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

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-09-24 16:31 UTC | Major incident: State database issues in GRU (this change) | outage |

All Fly.io changes: [timeline](https://rewindex.com/company/fly-io/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/id19bc9d31f7529 · Markdown: https://rewindex.com/change/id19bc9d31f7529.md · JSON: https://rewindex.com/api/v1/changes/id19bc9d31f7529 · Generated 2026-10-18T01:53:54.509Z