ClickHouse Cloud incident: Provisioning and scaling operations may take longer in AWS ap-northeast-1 Tokyo

1. resolvedNov 11, 2026, 23:44 UTC

   This incident in AWS ap-northeast-1 (Tokyo) is Resolved [<https://health.aws.amazon.com/health/status>]

2. monitoringNov 11, 2026, 23:07 UTC

   AWS is reporting that the previously reported issues in AWS ap-northeast-1 (Tokyo) are Resolved [<https://health.aws.amazon.com/health/status>], and ClickHouse has confirmed that services and provisioning are functioning normally in the region. ClickHouse is currently in a Monitoring status for this incident

3. identifiedNov 11, 2026, 16:05 UTC

   Scaling and provisioning operations may take longer than usual. Issue is reported on AWS status page <https://health.aws.amazon.com/health/status>

What APIStatus.watch saw

• Nov 11, 2026, 16:06 UTCoperational → degraded
• Nov 11, 2026, 23:11 UTCdegraded → operational

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How often does ClickHouse Cloud have incidents?

ClickHouse Cloud reported 14 incidents in the last 90 days. A typical incident lasted 2h 21m. See ClickHouse Cloud's uptime and incident history