# ClickHouse Cloud: We are investigating an issue in Azure eastus2 region, impacting replicas in one specific Availability Zone

- Impact (vendor’s label): minor
- Status: resolved
- Started: 2026-08-02 14:44 UTC · Resolved: 2026-08-02 19:34 UTC · Duration: 4.8 h
- Updates: 6 · Affected components: eastus2
- [Vendor status page: https://status.clickhouse.com/incidents/01KZ1EYFKM6NSBF2R8TRJC70VX](https://status.clickhouse.com/incidents/01KZ1EYFKM6NSBF2R8TRJC70VX)
- [Company: ClickHouse Cloud](https://rewindex.com/company/clickhouse-cloud.md)

## Timeline of updates

- **investigating** 2026-08-02 14:44 UTC: We are aware about service degradation in Azure eastus2 region, impacting only one Availability Zone. New service provisioning time might be delayed. Customers may see increased latency.
- **identified** 2026-08-02 15:42 UTC: We are applying a change, unblocking the pending replicas. We already see sign of improvements for services that have the change applied.
- **identified** 2026-08-02 16:16 UTC: We still see problematic compute nodes provided by CSP, so remediation may take more time. We working closely with Azure support.
- **investigating** 2026-08-02 17:02 UTC: We are still working closely with CSP support to figure out the path forward. The Azure support confirmed there is an issue with some components provided by CSP, investigation ongoing.
- **monitoring** 2026-08-02 19:05 UTC: The issue seems to be resolved on the Azure side. We are monitoring before we resolve the issue.
- **resolved** 2026-08-02 19:34 UTC: The issue is now resolved. All services are back to normal.


---
Canonical: https://rewindex.com/company/clickhouse-cloud/incidents/01KZ1EYFKM6NSBF2R8TRJC70VX · Markdown: https://rewindex.com/company/clickhouse-cloud/incidents/01KZ1EYFKM6NSBF2R8TRJC70VX.md · JSON: https://rewindex.com/api/v1/companies/clickhouse-cloud/incidents/01KZ1EYFKM6NSBF2R8TRJC70VX · Generated 2026-10-18T09:58:56.468Z