ClickHouse incident
Distributed Cache performance degradation in AWS us-east-1
Resolved after 3 hours 59 minutes, affecting us-east-1 and us-east-1, on September 14, 2026.
This incident has been resolved. Distributed Cache performance in the region is back to normal. Please contact ClickHouse Support if any services in the Distributed Cache Private Preview are experiencing any remaining issues: https://console.clickhouse.cloud/support
Affected components
Update timeline
- investigating Sep 14, 2026, 08:36 PM UTC
ClickHouse is investigating degraded Distributed Cache performance affecting multiple ClickHouse Cloud customers. Distributed Cache is a feature currently in Private Preview. We will provide further updates as they become available.
- identified Sep 14, 2026, 09:28 PM UTC
ClickHouse has identified the cause and proceeding with remedying impacted services.
- monitoring Sep 14, 2026, 10:41 PM UTC
Impacted services have been updated and are now fully operational. ClickHouse is monitoring.
- resolved Sep 15, 2026, 12:35 AM UTC
This incident has been resolved. Distributed Cache performance in the region is back to normal. Please contact ClickHouse Support if any services in the Distributed Cache Private Preview are experiencing any remaining issues: https://console.clickhouse.cloud/support
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