Grafana Cloud outage, 21 September 2026

Mimir write request errors

Started
Resolved
21 Sept 2026, 18:00 UTC - reported afterwards
Impact
Not stated

Last update from Grafana Cloud

There was an impact of increased 5xx on writes with metrics. The error rates have returned back to normal, and our team is continuing to investigate the cause.

21 Sept 2026, 18:00 UTC

Read the full incident on the official Grafana Cloud status page

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