# Distributed Cache performance degradation in AWS us-east-1

- Provider: [ClickHouse Cloud](https://down.guide/clickhouse-cloud)
- Level: confirmed
- Impact: Degraded
- lasted 3h 59m
- started 2026-09-14 20:36 UTC
- us, us-east-1
- id: DWN-dfefc5891f
- Official page: https://status.clickhouse.com/incidents/01M2GT4WJVTWYF7DN4QKM5YF2S

## Updates from ClickHouse Cloud
### 2026-09-14 20:36 UTC: investigating
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.

### 2026-09-14 21:28 UTC: identified
ClickHouse has identified the cause and proceeding with remedying impacted services.

### 2026-09-14 22:41 UTC: monitoring
Impacted services have been updated and are now fully operational. ClickHouse is monitoring.

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

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