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ClickHouse Outage History

Uptime record, past incidents, and downtime history for ClickHouse.

Checking current status...
9.9% uptime over 91 days
99.9% ✗ 99.5% ✗ 99% ✗ 95% ✗

90-Day Trend

Feb 25May 25

Monthly Uptime

Month Uptime Days Tracked Days with Issues
May 2026 12% 25 22
April 2026 0% 30 30
March 2026 6.5% 31 29
February 2026 80% 5 1

Uptime is calculated from daily worst-status snapshots. A day with any non-operational status counts as a day with issues.

Daily Status (Last 91 Days)

Feb 24 Today
Operational Degraded Partial Outage Major Outage Maintenance No Data

Incident History

May 2026
Capacity issues in AWS us-east-1 region affecting provisioning times
minor

Started: May 22, 4:11 PM

identified
May 22, 4:11 PM
GCP us-east1 capacity constraints impacting cluster operations
minor

Started: May 18, 12:31 PM

investigating
May 18, 12:31 PM
Increased Error Rate and Latency on AWS Region (US-EAST-1)
major

Started: May 8, 2:46 AM

investigating
May 8, 2:46 AM
Azure new services impacted
minor

Started: May 5, 1:03 PM

investigating
May 5, 1:03 PM
April 2026
Degraded connectivity affecting us-east-2
minor

Started: Apr 28, 6:44 PM

monitoring
Apr 28, 10:32 PM
investigating
Apr 28, 8:34 PM
resolved
Apr 28, 7:41 PM
monitoring
Apr 28, 7:18 PM
investigating
Apr 28, 6:44 PM
Capacity constraints for new workloads on GCP us-east1
minor

Started: Apr 19, 1:39 PM

identified
Apr 19, 2:29 PM
identified
Apr 19, 1:39 PM
Degraded provisioning times and slower scaling opreations in GCP us-central1 region
minor

Started: Apr 17, 3:12 PM

monitoring
Apr 17, 4:27 PM
identified
Apr 17, 3:12 PM
Unable to edit service scaling settings and delete services
minor

Started: Apr 16, 10:11 PM

monitoring
Apr 16, 11:55 PM
identified
Apr 16, 10:11 PM
Creation of new instances in AWS is delayed or stuck
minor

Started: Apr 8, 4:09 PM

monitoring
Apr 8, 7:20 PM
monitoring
Apr 8, 4:49 PM
identified
Apr 8, 4:21 PM
investigating
Apr 8, 4:09 PM
March 2026
ClickStack UI is not loading
minor

Started: Mar 16, 11:28 AM

investigating
Mar 16, 11:28 AM
Full outage on AWS me-central-1 region
critical

Started: Mar 1, 1:29 PM

investigating
Mar 5, 4:34 AM
investigating
Mar 2, 2:31 PM
investigating
Mar 2, 11:12 AM
investigating
Mar 1, 3:36 PM
investigating
Mar 1, 1:29 PM
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