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Baidu Waimai Technology Team
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Baidu Waimai Technology Team

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.

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Recent Articles

Latest from Baidu Waimai Technology Team

37 recent articles
Baidu Waimai Technology Team
Baidu Waimai Technology Team
Jul 4, 2017 · Operations

Building a Full‑Stack Operations Monitoring System: Strategies, Implementation & Lessons

This article details the end‑to‑end process of designing and deploying an operations‑focused monitoring framework, covering semantic, log, and performance monitoring, protobuf integration, implementation challenges, actual effects, and future optimization directions for large‑scale online services.

Performance MonitoringProtobufad-hoc queries
0 likes · 13 min read
Building a Full‑Stack Operations Monitoring System: Strategies, Implementation & Lessons
Baidu Waimai Technology Team
Baidu Waimai Technology Team
Jun 27, 2017 · Artificial Intelligence

Detecting Low‑Quality New Users in Food Delivery with a GBDT + LR Model

The article describes a data‑driven approach for identifying low‑value new users in a food‑delivery platform by labeling 7‑day repeat‑purchase behavior, extracting order, behavior, merchant and user features, and training a combined Gradient Boosted Decision Tree and Logistic Regression model to improve fraud detection and merchant penalty decisions.

AIGBDTfeature engineering
0 likes · 7 min read
Detecting Low‑Quality New Users in Food Delivery with a GBDT + LR Model
Baidu Waimai Technology Team
Baidu Waimai Technology Team
Jun 13, 2017 · Frontend Development

Design and Implementation of a Universal Frontend Event Tracking Solution

This article presents a universal frontend event tracking (埋点) solution designed for Baidu Takeaway's sales CRM platform, detailing its background, comparison of tracking methods, a declarative approach using Vue directives and MutationObserver mixins, support for legacy jQuery, and practical usage and results.

MutationObserverVuedeclarative-tracking
0 likes · 14 min read
Design and Implementation of a Universal Frontend Event Tracking Solution
Baidu Waimai Technology Team
Baidu Waimai Technology Team
Jun 6, 2017 · Backend Development

Design and Optimization of Baidu Waimai Activity Module Architecture

This article presents a comprehensive redesign of Baidu Waimai’s client‑side activity module, detailing background challenges, design goals, functional and performance specifications, trade‑off analyses of three architectural alternatives, and the chosen parallel HTTP‑request solution with monitoring, degradation, and phased rollout plans.

MonitoringRedisScalability
0 likes · 8 min read
Design and Optimization of Baidu Waimai Activity Module Architecture
Baidu Waimai Technology Team
Baidu Waimai Technology Team
May 16, 2017 · Big Data

Analysis of OLTP/OLAP Integrated Solutions: Apache Phoenix, Apache Trafodion, and Splice Machine

This article examines the convergence of OLTP and OLAP by introducing Apache Phoenix, Apache Trafodion, and Splice Machine, compares their technical features, and describes how Baidu Waimai adopted a Phoenix‑based solution to address scalability and performance challenges in its operational data store.

Apache PhoenixApache TrafodionBig Data
0 likes · 12 min read
Analysis of OLTP/OLAP Integrated Solutions: Apache Phoenix, Apache Trafodion, and Splice Machine
Baidu Waimai Technology Team
Baidu Waimai Technology Team
Apr 28, 2017 · Big Data

Recap of Baidu Waimai Tech Team’s “Code Talk” Session on Data Platform Architecture and Big Data Practices

The article summarizes Baidu Waimai’s recent “Code Talk” event, highlighting the speaker’s overview of the company’s big‑data platform evolution, its technical architecture, practical challenges such as data security and accuracy, and a lively Q&A covering storm, high availability, and metric management.

Baidu WaimaiBig DataData Platform
0 likes · 6 min read
Recap of Baidu Waimai Tech Team’s “Code Talk” Session on Data Platform Architecture and Big Data Practices