ClickHouse incident
Slow provisioning and operations in AWS us-east-1 region
Resolved after 2 hours 29 minutes, affecting us-east-1 and us-east-1, on July 6, 2026.
The incident was resolved and we don't see any impact in us-east-1 region anymore. For details, please refer to the AWS Health status page: https://health.aws.amazon.com/health/status
Affected components
Update timeline
- identified Jul 06, 2026, 12:34 PM UTC
We have identified an issue with provisioning of new instances and autoscaling operations in AWS us-east-1 region. Connection latencies for CH servers can be also affected due to slow provisioning of compute nodes. ClickHouse Cloud is working with AWS support team to fix the issue.
- identified Jul 06, 2026, 01:09 PM UTC
The issue is caused by AWS outage, please see https://health.aws.amazon.com/health/status
- resolved Jul 06, 2026, 03:03 PM UTC
The incident was resolved and we don't see any impact in us-east-1 region anymore. For details, please refer to the AWS Health status page: https://health.aws.amazon.com/health/status
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