Efficient Ops

Jul 9, 2017 · Databases

How Alibaba Scales Real‑Time Deduplication and Targeted Ads with PostgreSQL

This article explains how Alibaba Cloud leverages PostgreSQL’s GIN indexes, array types, and pg_trgm extension to achieve real‑time deduplication of massive guide articles, precise ad targeting, TOB profiling, arbitrary field combination, and fuzzy matching, delivering millisecond‑level latency while drastically reducing hardware requirements.