Zhuanzhuan Tech

Jan 17, 2019 · Backend Development

Design and Refactoring of the Book Outbound Service with SN Allocation and Concurrency Management

The article describes the challenges of handling book outbound operations—matching SN codes, ensuring data consistency, and avoiding lock contention—and outlines a comprehensive refactor that separates business logic, standardizes APIs, adopts asynchronous processing, and leverages Redis sets to achieve high‑performance, reliable SN allocation.