ClickHouse incident

AWS eu-central-1 performance degradation

Minor Resolved View vendor source →

ClickHouse experienced a minor incident on July 15, 2026, lasting 2h 25m. The incident has been resolved; the full update timeline is below.

Started
Jul 15, 2026, 11:33 PM UTC
Resolved
Jul 16, 2026, 01:59 AM UTC
Duration
2h 25m
Detected by Pingoru
Jul 15, 2026, 11:33 PM UTC

Update timeline

  1. investigating Jul 15, 2026, 11:33 PM UTC

    Status: Investigating We are seeing degraded performance in AWS eu-central-1 starting around 4 pm PT. https://health.aws.amazon.com/health/status

  2. resolved Jul 16, 2026, 01:59 AM UTC

    Status: Resolved AWS has mitigated the disruption affecting the eu-central-1 availability zone. We will continue monitoring to ensure stability.