Companies / ClickHouse Cloud / changes
ClickHouse Cloud change history
| When (UTC) | Change | Kind |
|---|---|---|
| Critical incident: ClickPipes failing on Kinesis in AWS us-east-1 ClickHouse Cloud reported critical ClickPipes failures on Kinesis in AWS us-east-1, starting 2026-09-15 18:57 UTC and resolved 2026-09-17 00:43 UTC (29 h 45 min). AWS identified a Kinesis IAM authorization defect and began rolling back the change; ClickHouse confirmed Enhanced Fanhout (EFO) Kinesis pipes were fully operational at resolution. | Major incident | |
| Major incident: Monitoring and billing impact on customer services in ap-southeast-1 ClickHouse Cloud reported a major monitoring and billing degradation in ap-southeast-1, with possible service availability degradation; the initial update named eu-west-1. Impacts included stale dashboards, missing notifications/Prometheus metrics, stalled billing metering and unapplied autoscaling recommendations. It lasted 8 h 20 min, from 2026-07-24 13:07 UTC to 2026-07-24 21:28 UTC, with missing data backfilled. | Major incident | |
| Major incident: CDC ClickPipes stuck in maintenance state CDC ClickPipes became stuck in maintenance during a weekly upgrade, initially in eu-central-1, with services in other regions also affected. ClickHouse Cloud rated the incident major; it ran from 2026-07-22 11:53 UTC to 2026-07-22 14:36 UTC, lasting 2 h 42 min. Services recovered, but the upgrade rollout remained on hold pending confirmation it could avoid the underlying pod networking failure mode. | Major incident |