Xianyu Technology

Mar 23, 2021 · Backend Development

How We Migrated a Massive Tag System in Two Weeks Without Downtime

This article details a step‑by‑step migration of a content‑community tag system from a monolithic design to separate classification and attribute services, covering storage synchronization, isolation‑layer construction, read/write migration, dependency handling, and final rollout while ensuring speed, stability, and data accuracy.