ClickHouse experienced a minor incident on January 30, 2026 affecting ap-south-1, lasting —. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Jan 30, 2026, 11:55 AM UTC
Status: Investigating We are investigating issue in AWS ap-south-1 region where: - Admin operations on instances might be delayed or not progressing - Billing metrics not updated - Some dashboards in Control Plane UI not loading or loading slowly Affected components ap-south-1 (Partial outage)
- identified Jan 30, 2026, 12:08 PM UTC
Status: Identified The team has identified the issue and working on the fix. ClickHouse instances are expected to be reachable and working (except autoscaling functionality). Affected components ap-south-1 (Degraded performance)
- monitoring Jan 30, 2026, 12:56 PM UTC
Status: Monitoring We are seeing signs of recovery, and closely monitoring. Affected components ap-south-1 (Degraded performance)
- monitoring Jan 30, 2026, 01:16 PM UTC
Status: Monitoring User dashboards and autoscaling operations should be recovering now. Old data is already available, last hours are being backfilled. Affected components ap-south-1 (Degraded performance)
- resolved Jan 30, 2026, 01:27 PM UTC
Status: Resolved The issue is fully resolved. The latest data in ControlPlane UI monitoring dashboards was backfilled and should be available. The issue seems to be related to networking issues on underlying VMs. Team is investigating the root cause to make sure it won't happen again or in other regions. Affected components ap-south-1 (Operational)