How Meituan Waimai Built and Evolved Its Massive Data Warehouse from V1 to V3
This article details Meituan Waimai's data warehouse evolution—covering business context, four‑layer architecture, Spark‑based ETL, successive V1.0, V2.0, and V3.0 redesigns, data governance practices, resource‑optimization tactics, security measures, and future road‑maps—illustrated with diagrams and concrete technical choices.
