# Grafana Cloud: Major incident: Partial Logs Write Outage

**Summary:** Grafana Cloud reported a major partial Logs write outage in AWS US East - prod-us-east-3, also affecting Frontend Observability in that region. It started at 2026-08-28 17:12 UTC and was resolved at 2026-08-28 18:42 UTC, lasting 1 h 29 min. Grafana reported deploying a fix and stabilizing service. _(machine-written, sol)_
- Kind: Major incident · Label: outage (model (Jev))
- Changed: 2026-08-28 17:12 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://stspg.io/zc28d5qtcwdf](https://stspg.io/zc28d5qtcwdf)
- [Company: Grafana Cloud](https://rewindex.com/company/grafana-cloud.md)
- Versions: before (none: first archived) → after incident\_version:278/chcdlmf9mhsn@4c1539875999
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ Partial Logs Write Outage
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2026-08-28 17:12 UTC
```

**5. Added: Resolved time**

```diff
+ 2026-08-28 18:42 UTC
```

**6. Added: Affected components**

```diff
+ AWS US East - prod-us-east-3, Logs - AWS US East - prod-us-east-3
```

**7. Added: Update** (identified) · 2026-08-28 17:12 UTC

```diff
+ We’ve identified the cause of an issue impacting Log writes. Our team is currently implementing a fix.
```

**8. Added: Update** (monitoring) · 2026-08-28 17:55 UTC

```diff
+ This incident also had impact on Frontend Observability for the same region. A fix has been deployed, and things have stablized. We will continue to monitor on our end.
```

**9. Added: Update** (resolved) · 2026-08-28 18:42 UTC

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

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-08-28 17:12 UTC | Major incident: Partial Logs Write Outage (this change) | outage |

All Grafana Cloud changes: [timeline](https://rewindex.com/company/grafana-cloud/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/i78bce405bdbb69 · Markdown: https://rewindex.com/change/i78bce405bdbb69.md · JSON: https://rewindex.com/api/v1/changes/i78bce405bdbb69 · Generated 2026-10-18T00:38:31.136Z