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Wukong Talks Architecture
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Wukong Talks Architecture

Explaining distributed systems and architecture through stories. Author of the "JVM Performance Tuning in Practice" column, open-source author of "Spring Cloud in Practice PassJava", and independently developed a PMP practice quiz mini-program.

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Recent Articles

Latest from Wukong Talks Architecture

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Wukong Talks Architecture
Wukong Talks Architecture
Jun 19, 2024 · Backend Development

Design and Optimization of a High‑Concurrency Lottery System

This article details how a large‑scale lottery service was architected and tuned for extreme traffic spikes by applying server‑side rate limiting, application‑level throttling, behavior‑based filtering, caching strategies, database optimizations, and hardware upgrades, resulting in a ten‑fold performance improvement.

Rate LimitingSemaphorebackend architecture
0 likes · 12 min read
Design and Optimization of a High‑Concurrency Lottery System
Wukong Talks Architecture
Wukong Talks Architecture
Jun 16, 2024 · Backend Development

OpenFeign in Spring Cloud: Design Principles, Core Workflow, and Implementation Guide

This article explains the concept of remote calls, compares Feign and OpenFeign, walks through the step‑by‑step setup in a Spring Cloud project, and deeply analyzes the scanning, registration, dynamic proxy creation, MVC annotation parsing, request dispatch, Ribbon load‑balancing, and response handling mechanisms of OpenFeign.

JavaOpenFeignRemote Call
0 likes · 15 min read
OpenFeign in Spring Cloud: Design Principles, Core Workflow, and Implementation Guide
Wukong Talks Architecture
Wukong Talks Architecture
Jun 7, 2024 · Operations

Troubleshooting Node Installation Failure on Ubuntu Due to Missing GLIBC 2.28 and Recovery Steps

This article recounts a failed Node.js installation on an older Ubuntu server caused by a missing GLIBC 2.28 library, details the attempted GLIBC upgrade script that led to system-wide segmentation faults, and explains how reinstalling a newer Ubuntu version resolved the issue while emphasizing careful backup practices.

Node.jsUbuntudeployment
0 likes · 4 min read
Troubleshooting Node Installation Failure on Ubuntu Due to Missing GLIBC 2.28 and Recovery Steps
Wukong Talks Architecture
Wukong Talks Architecture
May 23, 2024 · Backend Development

Key Design Principles for High‑Concurrency Architecture and Read/Write Separation

This article explains the essential conditions, metrics, and scenario classifications for building high‑concurrency systems, then details common solutions such as database read/write separation, local and distributed caching, cache‑eviction policies, handling master‑slave lag, preventing cache penetration and avalanche, and applying CQRS to achieve scalable, high‑performance back‑end services.

CQRSCachingdatabase
0 likes · 21 min read
Key Design Principles for High‑Concurrency Architecture and Read/Write Separation
Wukong Talks Architecture
Wukong Talks Architecture
Apr 24, 2024 · Backend Development

Core Concepts and Common Patterns of RabbitMQ

This article explains why message queues are needed, outlines RabbitMQ's architecture, describes its basic concepts and working modes such as simple, work, fanout, direct and topic, and discusses reliability features like transactions, confirms, dead‑letter queues, TTL, clustering, ordering, and handling message backlogs.

Asynchronous ProcessingClusteringMessage Queue
0 likes · 24 min read
Core Concepts and Common Patterns of RabbitMQ