How Xiaohongshu Evolved Its Data Architecture for the Big AI Data Era
Xiaohongshu, with over 3.5 billion monthly users and daily logs in the trillions, migrated 500 PB of data to Alibaba Cloud and iterated its data platform through four architecture generations—ClickHouse‑based ad‑hoc, Lambda, Lakehouse, and a unified incremental compute model—cutting resource, development, and storage costs to one‑third while delivering sub‑10‑second query latency at petabyte scale.
