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JD Retail Technology
JD Retail Technology
Jan 18, 2021 · Backend Development

Case Study: JD Mask Reservation System Architecture and Performance Optimization During COVID‑19

This article details how JD.com designed, scaled, and refined its mask reservation backend during the COVID‑19 pandemic, addressing extreme traffic spikes, hot‑key issues, MySQL bottlenecks, and introducing a circuit‑breaker mechanism to protect the overall transaction system.

High TrafficMySQLPerformance Optimization
0 likes · 16 min read
Case Study: JD Mask Reservation System Architecture and Performance Optimization During COVID‑19
Architect
Architect
Apr 29, 2016 · Backend Development

System Reconstruction of a Reservation Service: Design Patterns, Business Abstraction, and Deployment Strategies

This article describes the reconstruction of an order‑reservation‑refund system, detailing business background, abstraction of reservation flows, layered business classification, validation stack implementation, unified data models, mechanism‑strategy separation, and step‑by‑step deployment practices for a robust backend service.

Design Patternsbackend refactoringdeployment strategy
0 likes · 13 min read
System Reconstruction of a Reservation Service: Design Patterns, Business Abstraction, and Deployment Strategies