Grafana Cloud incident: Increased timeout errors in alert rule evaluations (AWS Germany, prod-eu-west-2)

Affected components

• AWS Germany - prod-eu-west-2: Rule Evaluation

1. resolvedOct 21, 2026, 13:26 UTC

   This incident has been resolved.

2. monitoringOct 21, 2026, 13:12 UTC

   Remediation measures have been applied, and we are monitoring the recovery.

3. identifiedOct 21, 2026, 12:12 UTC

   The root cause of the issue has been indentified and we are working on the remediation steps.

4. investigatingOct 21, 2026, 11:48 UTC

   Since approximately 20:30 UTC on October 20, we have observed an increase in alert rule evaluation errors affecting rules that query Grafana Cloud Prometheus (Mimir) data sources in Cluster AWS Germany. Our engineering team is actively investigating and working on remediation.

What APIStatus.watch saw

• Oct 21, 2026, 13:25 UTCoperational → partial outage

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How often does Grafana Cloud have incidents?

Grafana Cloud reported 51 incidents in the last 90 days, 16 of them major or critical. A typical incident lasted 2h 33m. See Grafana Cloud's uptime and incident history