Baidu Geek Talk

Mar 23, 2026 · Databases

How Baidu’s MEG Platform Revamped ClickHouse with a Lakehouse Architecture

This article analyzes the challenges of scaling ClickHouse within Baidu’s MEG data platform and details a lake‑house solution that decouples storage and compute, integrates a meta‑service for transparent data access, optimizes query performance through caching, data roll‑up and layout tuning, and introduces a unified query gateway that gracefully falls back to Spark for complex workloads.