ClickHouse incident

Some ClickPipes CDC pipes paused and can't be resumed

Minor Resolved View vendor source →

ClickHouse experienced a minor incident on September 24, 2026 affecting AWS ap-northeast-2 and AWS eu-west-1 and 1 more component, lasting —. The incident has been resolved; the full update timeline is below.

Started
Sep 24, 2026, 09:05 AM UTC
Resolved
Sep 24, 2026, 09:05 AM UTC
Duration
—
Detected by Pingoru
Sep 24, 2026, 09:05 AM UTC

Affected components

AWS ap-northeast-2AWS eu-west-1AWS us-east-2AWS ap-southeast-2AWS eu-central-1AWS us-east-1AWS ap-south-1AWS us-west-2AWS eu-north-1AWS ca-central-1

Update timeline

  1. investigating Sep 24, 2026, 08:31 AM UTC

    Status: Investigating We are aware about an issue where CDC ClickPipes were paused and can't be operated via API. ClickHouse team is investigating the issue. The issue affects subset of customers. Affected components AWS eu-central-1 (Degraded performance) GCP europe-west2 (Degraded performance) GCP europe-west3 (Degraded performance) GCP northamerica-northeast1 (Degraded performance) AWS ap-south-1 (Degraded performance) GCP asia-southeast1 (Degraded performance) GCP australia-southeast1 (Degraded performance) AWS ap-southeast-2 (Degraded performance) AWS ca-central-1 (Degraded performance) AWS il-central-1 (Degraded performance) GCP us-west1 (Degraded performance) AWS ap-southeast-5 (Degraded performance) AWS us-west-2 (Degraded performance) AWS eu-west-1 (Degraded performance) AWS eu-north-1 (Degraded performance) AWS eu-west-2 (Degraded performance) AWS mx-central-1 (Degraded performance) GCP europe-west4 (Degraded performance) GCP europe-west6 (Degraded performance) AWS af-south-1 (Degraded performance) AWS ap-east-2 (Degraded performance) AWS us-east-1 (Degraded performance) AWS ap-northeast-2 (Degraded performance) AWS ap-southeast-1 (Degraded performance) AWS sa-east-1 (Degraded performance) AWS ap-northeast-1 (Degraded performance) AWS ap-southeast-3 (Degraded performance) GCP asia-northeast1 (Degraded performance) GCP us-central1 (Degraded performance) AWS us-east-2 (Degraded performance) AWS ap-east-1 (Degraded performance)

  2. investigating Sep 24, 2026, 08:35 AM UTC

    Status: Investigating The issue happened during planned maintenance. ClickHouse team is applying a remediation to resume paused pipes. Affected components GCP australia-southeast1 (Degraded performance) AWS ap-northeast-2 (Degraded performance) AWS eu-west-1 (Degraded performance) GCP asia-southeast1 (Degraded performance) GCP us-west1 (Degraded performance) AWS us-east-1 (Degraded performance) AWS eu-west-2 (Degraded performance) AWS sa-east-1 (Degraded performance) AWS ap-southeast-5 (Degraded performance) AWS af-south-1 (Degraded performance) GCP europe-west6 (Degraded performance) AWS us-east-2 (Degraded performance) AWS us-west-2 (Degraded performance) GCP europe-west4 (Degraded performance) AWS eu-central-1 (Degraded performance) AWS ap-northeast-1 (Degraded performance) AWS ap-southeast-3 (Degraded performance) AWS eu-north-1 (Degraded performance) AWS il-central-1 (Degraded performance) GCP europe-west3 (Degraded performance) AWS ap-southeast-2 (Degraded performance) AWS ap-south-1 (Degraded performance) AWS ap-southeast-1 (Degraded performance) AWS mx-central-1 (Degraded performance) GCP northamerica-northeast1 (Degraded performance) AWS ap-east-2 (Degraded performance) AWS ca-central-1 (Degraded performance) GCP asia-northeast1 (Degraded performance) GCP us-central1 (Degraded performance) AWS ap-east-1 (Degraded performance) GCP europe-west2 (Degraded performance)

  3. monitoring Sep 24, 2026, 08:46 AM UTC

    Status: Monitoring We are seeing signs of improvements in most regions and pipes are resumed. Affected components AWS eu-west-1 (Degraded performance) AWS ap-northeast-1 (Degraded performance) AWS ap-southeast-3 (Degraded performance) AWS eu-west-2 (Degraded performance) GCP australia-southeast1 (Degraded performance) AWS ap-south-1 (Degraded performance) AWS us-west-2 (Degraded performance) GCP asia-southeast1 (Degraded performance) GCP us-west1 (Degraded performance) AWS us-east-1 (Degraded performance) AWS ap-northeast-2 (Degraded performance) AWS af-south-1 (Degraded performance) AWS ap-east-1 (Degraded performance) AWS ca-central-1 (Degraded performance) AWS il-central-1 (Degraded performance) GCP europe-west6 (Degraded performance) AWS sa-east-1 (Degraded performance) GCP us-central1 (Degraded performance) GCP europe-west3 (Degraded performance) AWS eu-central-1 (Degraded performance) AWS ap-southeast-1 (Degraded performance) GCP europe-west4 (Degraded performance) AWS ap-southeast-5 (Degraded performance) AWS ap-east-2 (Degraded performance) AWS us-east-2 (Degraded performance) AWS ap-southeast-2 (Degraded performance) GCP asia-northeast1 (Degraded performance) GCP northamerica-northeast1 (Degraded performance) AWS eu-north-1 (Degraded performance) AWS mx-central-1 (Degraded performance) GCP europe-west2 (Degraded performance)

  4. monitoring Sep 24, 2026, 09:01 AM UTC

    Status: Monitoring All regions recovered except us-east-1 region. It is also progressing and expected to be remediated soon. Affected components AWS us-west-2 (Operational) AWS ap-northeast-2 (Operational) AWS ap-east-1 (Operational) AWS mx-central-1 (Operational) GCP asia-northeast1 (Operational) AWS us-east-1 (Degraded performance) AWS ap-south-1 (Operational) AWS eu-west-1 (Operational) AWS ap-southeast-1 (Operational) AWS il-central-1 (Operational) GCP europe-west6 (Operational) AWS ap-northeast-1 (Operational) AWS ap-southeast-3 (Operational) GCP europe-west2 (Operational) AWS eu-central-1 (Operational) AWS ap-southeast-2 (Operational) AWS ca-central-1 (Operational) AWS ap-southeast-5 (Operational) AWS us-east-2 (Operational) GCP us-central1 (Operational) AWS af-south-1 (Operational) AWS eu-west-2 (Operational) AWS sa-east-1 (Operational) GCP australia-southeast1 (Operational) GCP europe-west3 (Operational) AWS ap-east-2 (Operational) AWS eu-north-1 (Operational) GCP europe-west4 (Operational) GCP asia-southeast1 (Operational) GCP us-west1 (Operational) GCP northamerica-northeast1 (Operational)

  5. resolved Sep 24, 2026, 09:05 AM UTC

    Status: Resolved All stuck pipes were resumed. ClickHouse team will continue monitoring and identifying the root cause to prevent similar issues in future. Affected components AWS ap-northeast-1 (Operational) AWS il-central-1 (Operational) GCP asia-southeast1 (Operational) GCP us-west1 (Operational) AWS eu-central-1 (Operational) AWS ap-southeast-2 (Operational) GCP europe-west4 (Operational) GCP europe-west3 (Operational) GCP northamerica-northeast1 (Operational) AWS ap-southeast-3 (Operational) GCP asia-northeast1 (Operational) AWS ap-east-2 (Operational) AWS ap-northeast-2 (Operational) AWS af-south-1 (Operational) AWS eu-north-1 (Operational) AWS mx-central-1 (Operational) GCP us-central1 (Operational) GCP europe-west2 (Operational) GCP europe-west6 (Operational) AWS us-east-2 (Operational) AWS ca-central-1 (Operational) AWS us-east-1 (Operational) AWS eu-west-1 (Operational) GCP australia-southeast1 (Operational) AWS ap-southeast-5 (Operational) AWS ap-south-1 (Operational) AWS ap-east-1 (Operational) AWS ap-southeast-1 (Operational) AWS eu-west-2 (Operational) AWS sa-east-1 (Operational) AWS us-west-2 (Operational)