Partial Query Failure to TiFlash (us-east-1)

Incident Report for TiDB Cloud

Resolved

Between 08:25 and 10:52 UTC, some queries to TiFlash in the us-east-1 region experienced partial failures. The issue affected a subset of requests, resulting in degraded query performance or incomplete results for certain workloads. The problem has since been resolved, and TiFlash service is operating normally.
Posted Oct 14, 2025 - 08:30 UTC