Meituan Tech Team’s 2021 Top Technical Articles – New Year Gift 2022

Happy New Year 2022! The Meituan Technology Team wishes everyone a happy new year and presents a curated list of 22 of the most popular technical articles from 2021 as a gift. The selection is based on reading counts and "watching" numbers, covering a wide range of technology domains.

We also invite the community to fill out a survey questionnaire (deadline: Jan 6, 2022). Five participants will receive a premium keyboard wrist rest from the Meituan Gift Store.

2021 Most‑Read Articles (Top 11)

How to Elegantly Record Operation Logs – 42,391 reads

Discusses decoupling operation logs from business logic, making logs simple, understandable, and easy to integrate.

Standardization of Script‑Kill Using Knowledge Graph – 30,035 reads

Introduces a knowledge‑graph‑driven approach (GENE) to standardize script‑kill supply, covering extraction, standard library construction, and association.

Meituan Product Knowledge Graph Construction & Application – 24,601 reads

Explores challenges of building a retail product knowledge graph at scale and presents solutions for hierarchical construction, attribute systems, and efficiency improvements.

GraphQL & Metadata‑Driven Architecture in Backend BFF – 22,247 reads

Shows how GraphQL is pushed down to the Backend‑For‑Frontend layer, combined with metadata to enable on‑demand data queries and reusable processing logic.

Meituan Takeaway Real‑Time Data Warehouse Practice – 21,767 reads

Describes a generic real‑time data warehouse architecture that balances low latency, SQL standardization, and rapid response to changes.

Meituan Hotel & Travel Data Governance Practice – 20,692 reads

Details data governance practices to ensure data accuracy, completeness, security, and value creation.

FlutterWeb Performance Optimization – 19,642 reads

Shares performance challenges and solutions for the FlutterWeb‑based merchant side of Meituan Takeaway.

API Gateway Service "Shepherd" Design & Implementation – 19,591 reads

Presents the design and implementation of a self‑developed API gateway to manage the explosion of APIs in a micro‑service architecture.

Emotion Analysis Technology at Meituan – 18,820 reads

Reviews the evolution of sentiment analysis, including aspect‑level analysis and its deployment in multiple business scenarios.

Multi‑Business Modeling in Meituan Search Ranking – 18,124 reads

Explains the multi‑business ranking model, covering architecture, fusion layers, and fine‑ranking models.

Spock Unit‑Testing Framework in Meituan Youxuan – 15,531 reads

Introduces Spock, a BDD‑based testing framework, and its adoption in backend services to improve development efficiency.

2021 Most "Watching" Articles (Top 11)

Balancing Speed and Compression Ratio in Build & Deployment – 3,279 watches

Analyzes compression algorithm optimizations to reduce time and storage costs during deployment.

SSD‑Based Kafka Application‑Layer Cache Architecture – 3,254 watches

Describes a custom SSD‑backed cache for Kafka to mitigate PageCache contention.

Running Flutter on HarmonyOS – 3,155 watches

Details Meituan’s effort to enable Flutter on Huawei’s HarmonyOS platform.

NeurIPS Autonomous Driving Trajectory Prediction – 2,931 watches

Summarizes the award‑winning algorithm from the NeurIPS 2020 INTERPRET challenge.

iOS Build‑Speed‑Boosting Tool – 2,163 watches

Introduces a cocoapods plugin that accelerates compilation of large iOS projects by up to 50%.

Meituan Takeaway Feature Platform – 1,974 watches

Explores the evolution of feature engineering pipelines for machine‑learning models.

OCTO 2.0 Service Mesh Governance System – 1,616 watches

Details the next‑generation service governance platform built on Service Mesh.

Automatic Code Generation from UI Designs – 1,037 watches

Presents a solution to convert UI mockups into production code, reducing repetitive front‑end work.

Meituan Graph Database Platform – 807 watches

Discusses the construction and application of a graph database handling billions of nodes and edges.

Threat Modeling Practices – 540 watches

Shares how Meituan’s security team applies threat modeling to assess and mitigate design risks.

All statistics were collected on December 30, 2021. Articles appearing in both lists were de‑duplicated.

Final Note

We again invite you to complete the survey for a chance to win a keyboard wrist rest. The Meituan Tech Team blog, launched on December 4, 2013, has published 483 technical articles over 8 years. Thank you for your support, and we wish you health and success in 2022.