Top 20 Most Popular Meituan Tech Blog Articles of 2022

Meituan's technology team celebrates the end of 2022 by presenting the 20 most read articles from its blog in the past year. The list showcases a wide range of engineering topics, from observability and system design to data governance, AI, and cloud‑native practices.

01. Visualized Full‑Chain Log Tracing (Views: 38,722) – Introduces a new solution that visualizes business‑level log traces, enabling efficient problem localization in complex systems.

02. Design Patterns in Practice (Views: 34,065) – Discusses common design patterns with real‑world examples from Meituan’s financial services platform, using a conversational teaching style.

03. Kafka at Meituan’s Data Platform (Views: 28,939) – Shares challenges and optimizations for Kafka handling growing data volumes and cluster sizes.

04. Cost‑Based Slow Query Optimization (Views: 28,166) – Explains how Meituan leverages the database cost optimizer to detect and improve slow SQL queries.

05. Deep Dive into Functional Programming (Part 1) (Views: 28,103) – Provides a historical overview and practical JavaScript examples of functional programming concepts.

06. Elasticsearch Optimization for Meituan Delivery Search (Views: 26,653) – Describes a Run‑Length Encoding based inverted index that reduces 99th‑percentile query latency by 84%.

07. CI/CD Pipeline Engine Construction (Views: 24,918) – Details the challenges and solutions in building a high‑throughput pipeline engine supporting ~100k daily executions.

08. Remote Hot‑Deployment at Meituan (Views: 23,622) – Introduces Sonic, an IDEA plugin for hot deployment, covering its implementation and workflow.

09. Knowledge‑Graph Visualization Practices (Views: 24,918) – Summarizes visual‑graph techniques, noise reduction, interaction design, and the uni‑graph solution used across many business scenarios.

10. YOLOv6 – Fast and Accurate Object Detection (Views: 23,622) – Presents an industrial‑grade detection framework that outperforms peers on COCO in both accuracy and speed.

11. Automated Testing in Meituan Delivery (Views: 21,119) – Explores the rise of automated testing to cope with growing test case volume and complexity.

12. Logging Pitfalls that Block Threads (Views: 20,561) – Analyzes common Log4j2 misuse cases and shares mitigation strategies based on source‑code inspection.

13. Systematic Data Governance Practices (Views: 19,922) – Describes the evolution from ad‑hoc to automated, systematic data governance at Meituan.

14. Selected KDD 2022 Papers by Meituan (Views: 18,368) – Highlights seven papers covering graph pre‑training, selection algorithms, intent discovery, and more.

15. High‑Performance Real‑Time Logging System (Views: 18,218) – Details the design of a terminal‑side logging system that eliminates data loss and storage overflow.

16. Integrated Data Modeling for Governance (Views: 17,984) – Discusses building a unified data definition‑to‑production pipeline for delivery data.

17. Advertising Platformization at Meituan Delivery (Views: 17,086) – Shares engineering practices for scaling the ad engine across multiple domains.

18. Edge‑Side CDN Disaster Recovery (Views: 16,466) – Proposes an automatic failover mechanism that detects CDN health and switches traffic accordingly.

19. Database Autonomy Service (DAS) – Intelligent Diagnosis (Views: 16,174) – Introduces a service that uses big‑data and machine‑learning to automate database performance analysis.

20. Cloud‑Native Cluster Scheduling at Meituan (Views: 16,119) – Explains Meituan’s Kubernetes‑based scheduler, its challenges, and custom extensions for large‑scale workloads.

These articles reflect Meituan’s commitment to sharing practical engineering knowledge and advancing the broader tech community.