Baidu Geek Talk

Apr 7, 2021 · Backend Development

Design and Architecture of Baidu Transaction Middle Platform Order System

Baidu’s Transaction Middle Platform Order System provides a unified, cloud‑native architecture that supports diverse Baidu products by orchestrating modular commands, handling order lifecycle, payment, refunds, and splitting, while employing caching, asynchronous processing, and sharded databases to achieve high throughput and low latency.