ClickHouse Cloud incident: Capacity issues in AWS us-east-1 region affecting provisioning times

1. resolvedMay 22, 2026, 16:50 UTC

   Affected instances have been corrected in the AWS us-east-1 region. We apologize for the disruption this issue caused. We are committed to the reliability of all ClickHouse Cloud services and appreciate your understanding as we continue to improve our systems and operations. If you have questions or need information on a specific ClickHouse service, please [contact support](https://clickhouse.cloud/support "contact support").

2. identifiedMay 22, 2026, 16:11 UTC

   We've noticed some instances are stuck in provisioning state due to capacity issues in AWS us-east-1 region. ClickHouse Cloud team is working on possible remediations, but we advise do not create new instances in this region until capacity problem is addressed on AWS side.

What APIStatus.watch saw

Our 5-minute checks didn't record a change in ClickHouse Cloud's overall status around this incident. Smaller or regional incidents often leave a provider's overall status green.

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How often does ClickHouse Cloud have incidents?

ClickHouse Cloud reported 16 incidents in the last 90 days, 2 of them major or critical. A typical incident lasted 2h 28m. See ClickHouse Cloud's uptime and incident history