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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
Jun 11, 2025 · Backend Development

Transform JSON Seamlessly with Jolt: From Hard‑Coded Logic to Configurable Rules

This article introduces Jolt, an open‑source Java library for JSON‑to‑JSON transformation, explains its advantages over traditional hard‑coded conversion, demonstrates core operations and custom extensions with code examples, shows how to integrate it into Spring Boot, and outlines future plans for a visual drag‑and‑drop configuration tool.

Configuration ManagementData MappingJSON transformation
0 likes · 17 min read
Transform JSON Seamlessly with Jolt: From Hard‑Coded Logic to Configurable Rules
Zhuanzhuan Tech
Zhuanzhuan Tech
Jun 4, 2025 · Backend Development

A Comprehensive Guide to Redisson Distributed Locks in Java

This article explains Redisson's various distributed lock mechanisms—including watchdog, reentrant lock, multi‑lock, read‑write lock, semaphore, RedLock, and CountDownLatch—detailing their principles, usage patterns, code examples, and best‑practice recommendations for robust backend concurrency control.

ConcurrencyDistributed LocksJava
0 likes · 16 min read
A Comprehensive Guide to Redisson Distributed Locks in Java
Zhuanzhuan Tech
Zhuanzhuan Tech
May 21, 2025 · Big Data

How We Turned a Microservice Finance System into a Scalable Big‑Data Warehouse

This article details the evolution of a fast‑growing e‑commerce finance platform from a monolithic microservice architecture plagued by data inconsistency, low processing efficiency, and scalability limits to a robust, distributed big‑data warehouse using SparkSQL, layered data models, and optimized scheduling, achieving ten‑fold performance gains and near‑zero failure rates.

Big DataData WarehouseETL
0 likes · 21 min read
How We Turned a Microservice Finance System into a Scalable Big‑Data Warehouse
Zhuanzhuan Tech
Zhuanzhuan Tech
May 15, 2025 · Databases

Dynamic Extension of Fields in Billion‑Row Tables: Challenges and Practical Solutions

This article examines the difficulties of adding new fields to a core billion‑row MySQL table—including locking, page splitting, and index degradation—and presents a configuration‑driven, three‑layer architecture that uses JSON extension fields, extension tables, and Elasticsearch to achieve safe, scalable dynamic schema evolution.

Dynamic SchemaJSON fieldMySQL
0 likes · 8 min read
Dynamic Extension of Fields in Billion‑Row Tables: Challenges and Practical Solutions
Zhuanzhuan Tech
Zhuanzhuan Tech
Apr 28, 2025 · Backend Development

Design and Evolution of ZhiZhi Checkout Payment Routing System

This article presents an in‑depth analysis of the ZhiZhi checkout payment routing system, covering its historical evolution from basic configuration to rule‑engine and modular construction modes, detailing architecture, expression engine implementation, automatic anomaly detection, and future outlook for scalability and AI integration.

Exception HandlingExpression EngineRule Engine
0 likes · 28 min read
Design and Evolution of ZhiZhi Checkout Payment Routing System
Zhuanzhuan Tech
Zhuanzhuan Tech
Apr 23, 2025 · Databases

Quick 3‑Step Guide to Locate and Analyze MySQL InnoDB Deadlocks

This article explains how to find the MySQL deadlock log, parse its contents to determine the time, order, and affected rows, identify the lock types and root cause, and provides extended examples of special locking scenarios, all illustrated with real‑world SQL and code snippets.

DeadlockInnoDBMySQL
0 likes · 15 min read
Quick 3‑Step Guide to Locate and Analyze MySQL InnoDB Deadlocks
Zhuanzhuan Tech
Zhuanzhuan Tech
Apr 18, 2025 · Artificial Intelligence

AI‑Powered Tools to Boost Java Development Efficiency: A Comprehensive Guide

An in‑depth guide reviews six leading AI‑driven development tools—including GitHub Copilot, Alibaba Cloud CodeWhisperer, Tabnine, Tencent Hunyuan DevBox, Amazon CodeWhisperer, and CodeGeeX—detailing their core features, use cases, security considerations, and selection advice for Java developers seeking to automate code generation, review, configuration, performance tuning, and documentation.

AICode GenerationJava
0 likes · 18 min read
AI‑Powered Tools to Boost Java Development Efficiency: A Comprehensive Guide
Zhuanzhuan Tech
Zhuanzhuan Tech
Mar 20, 2025 · Backend Development

Implementing Geolocation‑Based Fraud Detection with Redis GEO Commands

This article outlines a fraud‑detection use case that leverages Redis GEO commands to compare user order addresses with known malicious locations, discusses technology choices among MySQL, Redis, and Elasticsearch, explains Redis’s Sorted‑Set and GeoHash implementation, and provides Java code examples for GEOADD, GEOPOS, GEODIST, and GEORADIUS.

GEOADDGeoHashGeolocation
0 likes · 9 min read
Implementing Geolocation‑Based Fraud Detection with Redis GEO Commands