# Grafana Cloud: Major incident: Tempo Write Failures in prod-us-central-0

**Summary:** Grafana Cloud reported a major incident causing intermittent Tempo write failures in GCP US Central - prod-us-central-0 ingestion due to Google Cloud Storage internal errors, affecting trace ingestion. It started at 2026-10-15 16:10 UTC and was resolved at 2026-10-15 21:53 UTC; the recorded duration was 5 h 42 min. _(machine-written, sol)_
- Kind: Major incident · Label: outage (model (Jev))
- Changed: 2026-10-15 16:10 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://stspg.io/0w7m43wy213v](https://stspg.io/0w7m43wy213v)
- [Company: Grafana Cloud](https://rewindex.com/company/grafana-cloud.md)
- Versions: before (none: first archived) → after incident\_version:278/ktd658zvsw36@40f918d52583
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ Tempo Write Failures in prod-us-central-0
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2026-10-15 16:10 UTC
```

**5. Added: Resolved time**

```diff
+ 2026-10-15 21:53 UTC
```

**6. Added: Affected components**

```diff
+ GCP US Central - prod-us-central-0: Ingestion, Traces - GCP US Central - prod-us-central-0: Ingestion
```

**7. Added: Update** (investigating) · 2026-10-15 16:10 UTC

```diff
+ We are investigating Intermittent write failures in tempo-prod (prod-us-central-0) due to Google Cloud Storage internal errors.
```

**8. Added: Update** (monitoring) · 2026-10-15 18:00 UTC

```diff
+ Things are starting to recover, and we continue to monitor the issue.
```

**9. Added: Update** (resolved) · 2026-10-15 21:53 UTC

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

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-10-15 16:10 UTC | Major incident: Tempo Write Failures in prod-us-central-0 (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/ifa6a8c100a26d8 · Markdown: https://rewindex.com/change/ifa6a8c100a26d8.md · JSON: https://rewindex.com/api/v1/changes/ifa6a8c100a26d8 · Generated 2026-10-18T02:29:39.472Z