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backend systems

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JD Retail Technology
JD Retail Technology
Mar 2, 2023 · Databases

Evolution of JD VOP Message Warehouse: From V1.0 to V3.0+ with Database Sharding and Performance Optimization

This article details the architectural evolution of JD's VOP message warehouse, describing the challenges of massive data volumes, the transition from V1.0 to V3.0+ through database sharding, MongoDB adoption, traffic governance, stability improvements, and cost reduction strategies, while presenting performance metrics and future outlook.

Message QueueMongoDBbackend systems
0 likes · 17 min read
Evolution of JD VOP Message Warehouse: From V1.0 to V3.0+ with Database Sharding and Performance Optimization
Top Architect
Top Architect
Nov 30, 2022 · Backend Development

Understanding the End-to-End Architecture of Chinese Internet Payments

This article walks readers through the complete point‑to‑point, end‑to‑end payment chain in China, using a JD.com purchase of Three Squirrels nuts as a concrete example to illustrate the roles of the cashier, order, transaction, payment, settlement, and accounting subsystems within a typical e‑commerce payment architecture.

Chinabackend systemse-commerce
0 likes · 9 min read
Understanding the End-to-End Architecture of Chinese Internet Payments