JD Retail Technology

May 11, 2022 · Backend Development

Designing a High‑Concurrency Inventory System with Redis and Database to Prevent Overselling

This article presents a comprehensive design for a high‑concurrency e‑commerce inventory system that prevents overselling by combining Redis‑based stock checks with database persistence and a task‑engine workflow, offering code examples, pipeline usage, and strategies for idempotency and fault tolerance.