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ClickHouse · Data and observabilityMay 22, 2026, 16:11 UTC

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

MinorCapacityUpdated 16h ago
May 22, 16:11 UTCMay 22, 16:50 UTC
Duration
39m
Impact
Minor
Root cause
Capacity
ClickHouse, 90 days
16 incidents
Affected
Not listed by the vendor.
Status page

Final update

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").

Timeline

  1. Resolved · May 22, 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. Identified · May 22, 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.

More from ClickHouse

Full history

Also caused by capacity and load

All
StartedIncidentDuration
Sep 1607:20 UTCDegradation with Gemini 3.8 FlashGitHub10h 28m
Sep 1509:47 UTCDisruption with some GitHub servicesGitHub1h 30m
Sep 422:02 UTCDegradation in repos contents APIGitHub21m
Sep 221:44 UTCElevated Linux worker queue timesExpo21m
Sep 115:00 UTCDelays in commit processingGitHub1h 1m
Aug 2615:11 UTCIncident with ActionsGitHub2h 50m

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