ClickHouse Cloud incident: We are investigating an issue affecting Azure eastus2 region

1. resolvedSep 23, 2026, 15:59 UTC

   The configuration change was reverted and we do not observe impact anymore. The ClickHouse Cloud team will work on preventing similar situations in future.

2. monitoringSep 23, 2026, 15:36 UTC

   We have identified the cause of the disruption and already applying the remediation. We will monitor for recovery and send update as soon as it is fully recovered.

3. investigatingSep 23, 2026, 15:28 UTC

   **Investigating delays to provisioning and autoscaling** We are investigating an issue affecting our Kubernetes infrastructure in Azure eastus2 region. Some customers may experience delays with provisioning and autoscaling of ClickHouse clusters. We are working closely with Azure support to restore normal behavior. We’ll provide another update within 30 minutes, or sooner if we have more information.

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