The Baidu Waimai Technology Team supports and drives the company's business growth. This account provides a platform for engineers to communicate, share, and learn. Follow us for team updates, top technical articles, and internal/external open courses.
This article explains the design and implementation of XDB, a MySQL high‑availability framework used by Baidu Waimai, detailing its component architecture, Horus state‑machine based failover, monitoring mechanisms, log management, and real‑world deployment experiences.
The seventh issue of Baidu Waimai's technical monthly presents a collection of practical engineering articles covering operations monitoring, big‑data platform incubation, BFT crawling algorithm, zombie‑process avoidance, Nginx+Lua overload protection, OLTP/OLAP integration, new‑user repurchase prediction, a generic frontend tracking solution, and the use of favicons to personalize websites.
This article explains Greenplum's MPP architecture, master‑segment design, high‑availability, interconnect network, rich management tools, parallel query planning, data loading techniques, and additional capabilities such as LDAP authentication and resource queues, demonstrating why it is a strong next‑generation big‑data query engine.
At QCon Beijing 2017, three senior Baidu Waimai engineers detailed the company’s year‑long migration from IDC to cloud using custom operation platforms, described the AI‑driven, data‑rich logistics scheduling system that outperforms manual dispatch, and shared architectural evolutions that enabled rapid, zero‑downtime scaling of the fast‑growing delivery business.
This article provides a comprehensive technical overview of Vue.js, explaining why MVVM frameworks are needed, the advantages of Vue, and detailing the internal mechanisms of its observer, compiler, watcher, caching system, and dependency collection, while offering practical tips for reading open‑source code.
This article describes a cloud‑based intelligent logistics scheduling platform for food‑delivery services that leverages big‑data analytics, deep‑learning prediction models, and visualisation tools to achieve multi‑objective dynamic optimization, improve dispatch efficiency, and enhance user experience across thousands of cities.
The article examines how Baidu Waimai, positioning itself as a big‑data company, built an intelligent system for database resource optimization and risk management, outlines preventive measures for database reliability, and discusses the rapid growth and challenges of cloud databases.
This article describes the design, architecture, and operational features of Baidu Waimai's unified voucher issuance platform, detailing its four‑layer backend structure, permission and strategy configurations, flow‑control mechanisms, service isolation, monitoring visualizations, and re‑entrancy safeguards to support large‑scale marketing distribution.
This article analyzes the architectural redesign of BANFF, an internal sales mobile app, detailing the challenges of a flat, tightly‑coupled codebase and describing how modularization, technical abstraction, and page‑level refactoring transform it into a maintainable, extensible platform for diverse business roles.
The article recaps Baidu's AR research talk, explains the differences between VR, AR, and MR, outlines Baidu's AR technical principles, showcases successful AR case studies, and discusses future AR application scenarios across gaming, entertainment, and education.
