# Grafana Cloud: Critical incident: K6 Test Outage

**Summary:** Grafana Cloud reported a critical K6 Test Outage starting 2026-08-13 15:25 UTC, lasting 1 h 22 min and resolved at 2026-08-13 16:47 UTC. Telemetry push APIs went down at 15:06 UTC, causing tests to lose metrics, logs, traces and browser screenshots; Grafana reported mitigation but did not state a root cause. _(machine-written, sol)_
- Kind: Major incident · Label: outage (model (Jev))
- Changed: 2026-08-13 15:25 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://stspg.io/tv8plq4gysv5](https://stspg.io/tv8plq4gysv5)
- [Company: Grafana Cloud](https://rewindex.com/company/grafana-cloud.md)
- Versions: before (none: first archived) → after incident\_version:278/p34f3c0hfmyw@f7048a326349
- Change 1 of 1 for this incident

Incident page (full timeline): [K6 Test Outage](https://rewindex.com/company/grafana-cloud/incidents/p34f3c0hfmyw.md)
## What changed

**1. Added: Title**

```diff
+ K6 Test Outage
```

**2. Added: Impact**

```diff
+ critical
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2026-08-13 15:25 UTC
```

**5. Added: Resolved time**

```diff
+ 2026-08-13 16:47 UTC
```

**6. Added: Affected components**

```diff
+ Cloud Output Test Runs, Cloud Test Runs, Performance and Load Testing - Cloud Output Test Runs, Performance and Load Testing - Cloud Test Runs
```

**7. Added: Update** (monitoring) · 2026-08-13 15:25 UTC

```diff
+ Telemetry push APIs went down at 15:06 UTC, causing tests to lose telemetry data, like metrics, logs, traces, and browser screenshots. This issue has now been mitigated, and we are monitoring to determine root cause as well as full resolution.
```

**8. Added: Update** (resolved) · 2026-08-13 16:47 UTC

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

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-08-13 15:25 UTC | Critical incident: K6 Test 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/id74fd89afaa2b5 · Markdown: https://rewindex.com/change/id74fd89afaa2b5.md · JSON: https://rewindex.com/api/v1/changes/id74fd89afaa2b5 · Generated 2026-10-19T02:00:34.218Z