ClickHouse Cloud outage history

12 Oct 2026, 01:55 UTC, resolved after 31 min

Support case creation unavailable

24 Sept 2026, 08:42 UTC, resolved after 29 min

Streaming ClickPipes degradation in AWS eu-central-1 region

Impact: minor

24 Sept 2026, 08:31 UTC, resolved after 33 min

Some ClickPipes CDC pipes paused and can't be resumed

Impact: minor

23 Sept 2026, 15:28 UTC, resolved after 30 min

We are investigating an issue affecting Azure eastus2 region

Impact: minor

22 Sept 2026, 13:19 UTC, resolved after 5 h 6 min

We are investigating an issue with CH servers in Azure germanywestcentral region

Impact: minor

16 Sept 2026, 10:16 UTC, resolved after 13 h 49 min

Intermittent Issues with the Support tab

Impact: minor

15 Sept 2026, 18:57 UTC, resolved after 29 h 45 min

ClickPipes failing on Kinesis in AWS us-east-1

Impact: minor

14 Sept 2026, 20:36 UTC, resolved after 3 h 59 min

Distributed Cache performance degradation in AWS us-east-1

Impact: minor

1 Sept 2026, 16:11 UTC, resolved after 19 min

Service degradation in GCP us-central-1

23 Aug 2026, 10:14 UTC, resolved after 32 min

Slow provisioning times of services in GCP europe-west4 region

Impact: minor

17 Aug 2026, 15:23 UTC, resolved after 1 h 53 min

Provisioning of new CDC pipes for Postgres might be delayed or failing

Impact: minor

14 Aug 2026, 19:25 UTC, resolved after 23 min

Network connectivity issue in AWS us-east-1

Impact: minor

2 Aug 2026, 14:44 UTC, resolved after 4 h 49 min

We are investigating an issue in Azure eastus2 region, impacting replicas in one specific Availability Zone

Impact: minor

24 Jul 2026, 13:07 UTC, resolved after 3 h 26 min

Monitoring and billing impact on customer services in ap-southeast-1

Impact: minor

15 Jul 2026, 23:33 UTC, resolved after 2 h 25 min

AWS eu-central-1 performance degradation

Impact: minor

6 Jul 2026, 12:34 UTC, resolved after 2 h 29 min

Slow provisioning and operations in AWS us-east-1 region

Impact: minor

1 Jul 2026, 12:04 UTC, resolved after 20 min

Issue with creating new ClickPipes in GCP regions

5 Jun 2026, 20:59 UTC, resolved

Prometheus metrics endpoint missing per-server metri

Impact: minor

1 Jun 2026, 11:45 UTC, resolved after 5 h 7 min

Connectivity issues in AWS eu-west-1 region

Impact: minor

28 May 2026, 18:26 UTC, resolved after 5 days

New service provisioning may fail in Azure

Impact: minor

27 May 2026, 17:48 UTC, resolved after 1 h 22 min

ClickHouse Agents Login Issues

Impact: minor

22 May 2026, 16:11 UTC, resolved after 39 min

Capacity issues in AWS us-east-1 region affecting provisioning times

Impact: minor

18 May 2026, 12:31 UTC, resolved after 2 days

GCP us-east1 capacity constraints impacting cluster operations

Impact: minor