# ClickHouse Cloud: Distributed Cache performance degradation in AWS us-east-1

- Provider: [ClickHouse Cloud](https://outages.cc/clickhouse.md)
- Type: Incident
- State: Resolved
- Worst impact: Degraded performance
- Started: 2026-09-14 20:36 UTC
- Resolved: 2026-09-15 00:35 UTC (lasted 3 h 59 min)
- Official update: https://status.clickhouse.com

## Updates from ClickHouse Cloud

### resolved, 2026-09-15 00:35 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:

### monitoring, 2026-09-14 22:41 UTC

Impacted services have been updated and are now fully operational. ClickHouse is monitoring.

### identified, 2026-09-14 21:28 UTC

ClickHouse has identified the cause and proceeding with remedying impacted services.

### investigating, 2026-09-14 20:36 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.