Ensuring reliable OpenTelemetry ingestion at scale

2026-08-25

ClickHouse details the evolution of its LogHouse observability platform to manage OpenTelemetry ingestion at 50 million events per second without data loss during backpressure. After deeming in-memory queues and local collector write-ahead logs insufficient, they developed a priority-based failover pipeline that prioritizes ClickHouse and utilizes blob storage as a durable overflow buffer.