Grafana Cloud outage on 2026-07-31: Partial Read Outage for Loki in prod-us-east-4

We are investigating a partial read outage affecting Loki in prod-us-east-4. Between 19:41 UTC and 19:50 UTC, a significant portion of read queries may have failed or returned errors. The issue has been identified and service has been restored. We are continuing to investigate the underlying cause and will provide additional information as it becomes available.