ClickHouse Cloud outage, 22 September 2026

We are investigating an issue with CH servers in Azure germanywestcentral region

Started
Resolved
22 Sept 2026, 18:25 UTC (after 5 h 6 min)
Impact
Minor

Last update from ClickHouse Cloud

The underlying AZ has recovered and we are fully back online. Since ClickHouse cloud architecture uses 3 AZs we were operational during this outage but there might have been some degradations. Azure support shared the details of the issue as following- Between 12:04 UTC and 17:46 UTC on 22 September 2022, a platform issue resulted in an impact to the Virtual Machines (VMs) and Virtual Machine Scale Sets (VMSS) in Germany West Central. Customers may have experienced their virtual machines becoming unresponsive, restarting unexpectedly, or being temporarily unavailable during the impact window.

22 Sept 2026, 18:25 UTC

Is ClickHouse Cloud down now?

This page is the record of one past incident. For the live status, see Is ClickHouse Cloud down right now? - it reads the official status page every 2 minutes.

Other ClickHouse Cloud incidents

  1. Support case creation unavailable

  2. Streaming ClickPipes degradation in AWS eu-central-1 region

  3. Some ClickPipes CDC pipes paused and can't be resumed

  4. We are investigating an issue affecting Azure eastus2 region

  5. Intermittent Issues with the Support tab

  6. ClickPipes failing on Kinesis in AWS us-east-1

  7. Distributed Cache performance degradation in AWS us-east-1

  8. Service degradation in GCP us-central-1

All recorded ClickHouse Cloud incidents