Top 8 Most Read Meituan Technical Articles of 2020 and Most Viewed Posts

2020 was a remarkable year for everyone. Amid the pandemic, Meituan's technology team reflected on the challenges and achievements, thanking 260,000 readers for their support.

The team compiled the eight most‑read technical articles of the year, covering topics such as Java thread pools, mobile UI consistency, Meituan's trillion‑scale KV storage, AI search model estimation, Java GC issues, A/B evaluation for delivery, ZGC garbage collector, and design patterns in marketing.

1. Java Thread Pool Implementation and Practice – Explains thread‑pool concepts, source‑code design, and a dynamic thread‑pool solution for Meituan services.

2. Mobile UI Consistency Solution – Describes a joint effort between UI design and development to improve component reuse and reduce visual redesign costs.

3. Meituan’s Trillion‑Scale KV Storage Architecture – Summarizes the evolution of Meituan’s KV service, the Squirrel in‑memory architecture, Cellar persistence, and future directions.

4. Intelligent Search Model Estimation Framework – Introduces the Augur estimation framework and the Poker training platform used in Meituan’s search AI.

5. Nine Common Java CMS GC Issues and Solutions – Collects and analyzes various GC problems encountered in production and provides practical fixes.

6. Meituan Delivery A/B Evaluation System – Details the construction of a comprehensive metric and evaluation system for delivery services.

7. Exploration and Practice of the ZGC Garbage Collector – Discusses ZGC principles, tuning, and production results in low‑latency Java services.

8. Design Patterns in Meituan’s Marketing Business – Shows how factory, strategy, chain‑of‑responsibility, and state patterns are applied to a scalable marketing system.

In addition, the post lists the eight most‑viewed articles, including topics like containerized mobile architecture, AIOps fault detection, basic engineering skills, Java JIT compiler analysis, KDD Cup 2020 multimodal recall, and Flutter package size optimization.

The article concludes with a brief history of Meituan’s technology team, a call for new talent, and a wish for a happy new year.