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Zhuanzhuan Tech

A platform for Zhuanzhuan R&D and industry peers to learn and exchange technology, regularly sharing frontline experience and cutting‑edge topics. We welcome practical discussions and sharing; contact waterystone with any questions.

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Recent Articles

Latest from Zhuanzhuan Tech

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Zhuanzhuan Tech
Zhuanzhuan Tech
Mar 13, 2025 · Backend Development

Design and Implementation of a Real-Time Product Tagging Platform for a Second‑Hand E‑Commerce System

This article presents a comprehensive technical case study of a three‑layer product‑tagging platform that addresses the challenges of fine‑grained operations, ensures real‑time tag updates, guarantees data consistency, and eliminates read bottlenecks through traffic separation, event‑driven processing, deduplication MQ, and multi‑level caching.

Data Consistencybackend architecturecaching
0 likes · 13 min read
Design and Implementation of a Real-Time Product Tagging Platform for a Second‑Hand E‑Commerce System
Zhuanzhuan Tech
Zhuanzhuan Tech
Feb 19, 2025 · Backend Development

High-Concurrency Flash Sale Solutions: Pressure Distribution, Redis + MQ, and Inventory Hint Techniques

This article examines common industry approaches for handling massive flash‑sale traffic, detailing pressure‑distribution sharding, Redis + MQ integration, the Inventory Hint optimization, and provides concrete Lua script examples and transactional‑message workflows for reliable stock deduction.

Flash SaleInventory HintLua Script
0 likes · 12 min read
High-Concurrency Flash Sale Solutions: Pressure Distribution, Redis + MQ, and Inventory Hint Techniques
Zhuanzhuan Tech
Zhuanzhuan Tech
Jan 10, 2025 · Backend Development

Multiple Approaches to Real-Time Data Updates

This article compares three real-time data update techniques—short and long polling, WebSocket, and Server‑Sent Events—explaining their principles, advantages, drawbacks, and providing practical Vue and Node.js code examples to help developers choose the optimal solution for their specific use case.

Node.jsPollingSSE
0 likes · 14 min read
Multiple Approaches to Real-Time Data Updates
Zhuanzhuan Tech
Zhuanzhuan Tech
Jan 9, 2025 · Databases

Understanding Druid Connection Pool: Initialization, Connection Acquisition, Execution, and Recycling

This article provides a comprehensive technical walkthrough of the Druid database connection pool, covering its architecture, initialization flow, connection acquisition and release mechanisms, execution and exception handling, as well as recommended configurations and monitoring practices for optimal performance.

Connection PoolDruidJava
0 likes · 23 min read
Understanding Druid Connection Pool: Initialization, Connection Acquisition, Execution, and Recycling
Zhuanzhuan Tech
Zhuanzhuan Tech
Dec 20, 2024 · Backend Development

State Machine Selection and Refactoring Strategies for Complex Business Scenarios

This article analyzes the problem of exploding state‑branch logic in merchant onboarding and exit flows, presents decoupling, design‑pattern, and state‑machine solutions, compares three Java state‑machine implementations (Zhuozhou, Cola, Spring Statemachine), and offers practical selection guidance for simple to highly complex B2B use cases.

refactoringsoftware architecturestate machine
0 likes · 21 min read
State Machine Selection and Refactoring Strategies for Complex Business Scenarios
Zhuanzhuan Tech
Zhuanzhuan Tech
Dec 18, 2024 · Backend Development

Design and Implementation of a Spring Boot Log Auditing Plugin Using AOP

This article details the design, architecture, and step‑by‑step implementation of a Spring Boot log auditing plugin built with AOP, Maven plugins, auto‑configuration, thread‑pool execution, and optional message‑queue streaming to improve operation logging and exception tracing in backend services.

AOPJavaLog Auditing
0 likes · 18 min read
Design and Implementation of a Spring Boot Log Auditing Plugin Using AOP
Zhuanzhuan Tech
Zhuanzhuan Tech
Dec 13, 2024 · Databases

Understanding MySQL Architecture and Log Mechanisms for ACID Transactions

This article provides a comprehensive overview of MySQL's layered architecture, the functions and core components of the server layer, and detailed explanations of Undo Log, Redo Log, and Binlog mechanisms that together ensure the ACID properties of transactions, including practical execution flows for queries and updates.

ACIDDatabase ArchitectureMySQL
0 likes · 29 min read
Understanding MySQL Architecture and Log Mechanisms for ACID Transactions