Dedicated TiDBCloud Partial Downtime in ap-northeast-1 Region

Incident Report for TiDB Cloud

Resolved

Some nodes in dedicated TiDB Cloud clusters located in the ap-northeast-1 region experienced a brief period of unavailability.

Root Cause: The issue was due to an AWS incident affecting EC2 instances in apne1-az4 Availability Zone, where instance health checks failed temporarily. More details can be found on the AWS Health Dashboard.(https://health.aws.amazon.com/health/status)

Start Time: 07:41 AM UTC
Recovery Time: 08:30 AM UTC (automatically recovered)

Posted Apr 15, 2025 - 09:34 UTC

This incident affected: TiDB Cloud Portal Backend.