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 details how to build a frontend JavaScript exception monitoring platform, covering error capture techniques, client-side deployment, log collection, backend processing, and visualization features such as sourcemap integration and trend analysis.
This article describes the business flow, storage schema, template‑method based code framework, workflow integration, Redis‑based lock mechanism, and two major refactoring iterations that improve the permission‑application approval process for the Do platform.
The article provides a comprehensive overview of Ceph, covering its object storage concepts, architecture, core technologies, performance testing results versus Swift, and concludes with a summary of findings and future outlook for this distributed storage solution.
This article presents the design and implementation of a smooth migration solution that moves Baidu's internal bdrp service from Redis 2.6/2.8 to Redis 3.0 by extending the AOF mechanism, enabling real‑time data synchronization, improving service stability, and supporting future upgrades.
This article explains the challenges of testing machine‑learning models for strategy projects, outlines the overall testing workflow, describes key offline and online evaluation metrics such as AUC and AB‑testing, and summarizes best‑practice procedures for assessing model performance, user experience, and effect differences.
This article provides a thorough overview of Babel, covering its core concepts, installation and configuration methods (including Webpack, fis3, command‑line, and programmatic usage), preset and plugin options, the compilation pipeline, AST fundamentals, and step‑by‑step instructions for creating and testing custom Babel plugins.
This article presents a distributed ID generation scheme that leverages existing Redis infrastructure and implements a Snowflake-like algorithm to generate unique IDs without requiring separate deployment.
The article recaps a technical talk by Qunar’s accommodation trading system lead, covering event‑driven design, flexible document schemas, and reliability techniques such as circuit breaking, gray releases, and automated testing to improve scalability and maintainability of backend transaction platforms.
The article explains how Baidu Waimai’s CMDB adopts Kubernetes APIServer as a core component to model machine resources as objects, manage their five‑stage lifecycle, and leverage the Watch mechanism for efficient, consistent operations such as hostname changes and fault handling.
The article examines the upgrade to a balance‑based financial accounting system, defines hotspot accounts, explains why they pose concurrency challenges, and evaluates several technical solutions—including optimistic locking, asynchronous processing, and account splitting—to guide appropriate strategy selection for different business scenarios.
