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Java Architect Handbook
Java Architect Handbook
May 22, 2026 · Backend Development

How Does RabbitMQ Ensure No Message Loss? Producer Confirms, Persistence, and Manual ACK Explained

The article breaks down RabbitMQ's three‑stage message flow—producer to broker, broker persistence, and broker to consumer—detailing how Publisher Confirm, durable exchanges/queues/messages, and manual consumer acknowledgments together guarantee reliability while discussing performance trade‑offs, high‑availability clustering, and common interview follow‑up questions.

dead letter queuemanual ackmessage persistence
0 likes · 14 min read
How Does RabbitMQ Ensure No Message Loss? Producer Confirms, Persistence, and Manual ACK Explained
Deepin Linux
Deepin Linux
May 22, 2026 · Backend Development

Mastering the Zero‑Copy Trio: sendfile, mmap, and splice

This article provides a comprehensive, step‑by‑step analysis of Linux zero‑copy mechanisms—sendfile, mmap, and splice—detailing their internal workflows, performance trade‑offs, code examples, and practical selection guidelines for high‑throughput backend development.

LinuxPerformancemmap
0 likes · 41 min read
Mastering the Zero‑Copy Trio: sendfile, mmap, and splice
Spring Full-Stack Practical Cases
Spring Full-Stack Practical Cases
May 22, 2026 · Backend Development

Why Hand‑Write WebSocket? Use Spring Boot + Netty‑SocketIO for Simpler Real‑Time Communication

This article walks through building a real‑time bidirectional communication system with Spring Boot 3.5.0 and the Netty‑SocketIO library, covering its core features, Maven setup, server implementation via CommandLineRunner, client HTML/JavaScript code, room support, and testing screenshots.

JavaReal-time communicationSpring Boot
0 likes · 9 min read
Why Hand‑Write WebSocket? Use Spring Boot + Netty‑SocketIO for Simpler Real‑Time Communication
Java Architect Essentials
Java Architect Essentials
May 21, 2026 · Backend Development

Building a High‑Performance SpringBoot Log Analyzer for Slow SQL Detection from Scratch

Faced with massive MyBatis log files that made manual slow‑SQL hunting impossible, the author designed a SpringBoot‑Vue‑MySQL system that parses logs with multithreaded batch processing, flexible regex templates, real‑time performance monitoring, and virtual‑scroll UI, achieving 55 000 lines/s throughput and over 95% matching accuracy.

MyBatisSpring BootVue.js
0 likes · 11 min read
Building a High‑Performance SpringBoot Log Analyzer for Slow SQL Detection from Scratch
Spring Full-Stack Practical Cases
Spring Full-Stack Practical Cases
May 21, 2026 · Backend Development

10 Most Valuable Features in Spring Boot Practice

This article presents ten highly valuable Spring Boot features—including global exception handling, MVC interceptors, programmatic bean access, @Import usage, startup runners, BeanDefinition modification, bean lifecycle callbacks, and custom scopes—each illustrated with concrete code examples and explanations for building cleaner, more maintainable Java backend applications.

BeanFactoryCustom ScopeException Handling
0 likes · 13 min read
10 Most Valuable Features in Spring Boot Practice
360 Zhihui Cloud Developer
360 Zhihui Cloud Developer
May 21, 2026 · Backend Development

Optimizing Ozone S3 Gateway with Fast/Slow Dual‑Queue Isolation and Rate‑Limiting

The article presents a fast/slow dual‑queue isolation and water‑level rate‑limiting design for the Ozone S3 gateway, detailing separate thread pools, async handling, bucket‑level throttling, and comprehensive metrics that together improve service stability and throughput under mixed workloads.

Async ProcessingFast/Slow QueueJetty
0 likes · 10 min read
Optimizing Ozone S3 Gateway with Fast/Slow Dual‑Queue Isolation and Rate‑Limiting
Java Architect Handbook
Java Architect Handbook
May 21, 2026 · Backend Development

How to Diagnose Frequent Full GC in Production Systems? (Second Interview at Taobao)

The article explains why Full GC should be minimized, defines normal versus abnormal GC frequencies, outlines the root causes of Full GC, and provides a step‑by‑step troubleshooting workflow with concrete code snippets, monitoring commands and real‑world examples for Java backend engineers.

Full GCGarbage CollectionJVM Performance
0 likes · 13 min read
How to Diagnose Frequent Full GC in Production Systems? (Second Interview at Taobao)
java1234
java1234
May 21, 2026 · Backend Development

Three Months as an AI Code Babysitter: My Exhausting Journey and Hard Lessons

A veteran Java developer took a 5‑wan‑yuan retail project, relied on an end‑to‑end AI code generator for a month, then faced chaotic project structures, security flaws, and massive refactoring before discovering FeiSuan JavaAI's multi‑agent workflow that finally turned the disaster into a deliverable.

AIBackend DevelopmentDatabase
0 likes · 21 min read
Three Months as an AI Code Babysitter: My Exhausting Journey and Hard Lessons
Su San Talks Tech
Su San Talks Tech
May 21, 2026 · Backend Development

Druid vs HikariCP: Which Java Connection Pool Wins?

The article compares Alibaba’s Druid and Spring Boot’s default HikariCP connection pools, explaining how connection pooling works, presenting benchmark results that show HikariCP’s lower latency and higher TPS, detailing HikariCP’s lock‑free ConcurrentBag and bytecode optimizations, and highlighting Druid’s rich monitoring, SQL firewall and leak detection features to help developers choose the right pool for different scenarios.

Connection PoolDruidHikariCP
0 likes · 18 min read
Druid vs HikariCP: Which Java Connection Pool Wins?
Open Source Tech Hub
Open Source Tech Hub
May 20, 2026 · Backend Development

How Swoole’s Native AOT Compiler Will Transform PHP by 2027

Swoole Compiler v4 introduces a Native AOT compiler that turns PHP code into native binaries with performance comparable to Rust and Go, offers about 95% PHP compatibility, outlines a C++‑based compilation pipeline, reports up to 150× speed gains, and signals a major shift for the PHP ecosystem by 2027.

CompilerNative AOTPHP
0 likes · 5 min read
How Swoole’s Native AOT Compiler Will Transform PHP by 2027
James' Growth Diary
James' Growth Diary
May 20, 2026 · Backend Development

How Claude Code Generates a Deterministic Terminal Buddy from Your UserID (18 Species, 5 Rarity Tiers)

The article dissects Claude Code's Buddy companion system, explaining how a deterministic PRNG seeded by a hashed userId creates a unique pet with 18 species and five rarity levels, detailing the skeleton‑soul separation, ASCII rendering, feature‑flagged time window, and prompt‑injected role boundaries.

ASCII animationBuddy companionClaude Code
0 likes · 15 min read
How Claude Code Generates a Deterministic Terminal Buddy from Your UserID (18 Species, 5 Rarity Tiers)
Ops Community
Ops Community
May 20, 2026 · Backend Development

Redis Cache Avalanche, Penetration, and Breakdown: The Three Must‑Know Issues for Interviews

This article explains the three classic Redis cache problems—avalanche, penetration, and breakdown—detailing their definitions, typical symptoms, step‑by‑step troubleshooting procedures, root‑cause analysis, and practical mitigation strategies such as random expiration, empty‑value caching, Bloom filters, distributed locks, and multi‑level cache architectures.

RedisTroubleshootingbloom-filter
0 likes · 35 min read
Redis Cache Avalanche, Penetration, and Breakdown: The Three Must‑Know Issues for Interviews
Airbnb Technology Team
Airbnb Technology Team
May 20, 2026 · Backend Development

How Airbnb Rolled Out 20+ Local Payment Methods in Just 14 Months

Airbnb’s engineering team redesigned its payment platform to support over twenty local payment methods worldwide within fourteen months, using a domain‑driven, configuration‑driven architecture, standardized payment flows, multi‑step transaction handling, and a unified observability framework to boost conversion, expand markets, and improve reliability.

AirbnbConfiguration‑Driven IntegrationLocal Payment Methods
0 likes · 17 min read
How Airbnb Rolled Out 20+ Local Payment Methods in Just 14 Months
Coder Trainee
Coder Trainee
May 20, 2026 · Backend Development

Mastering Distributed Transactions in Spring Cloud with Seata (Part 8)

This tutorial walks through why distributed transactions are needed in a Spring Cloud order‑stock‑point scenario, compares local and distributed transaction models, introduces Seata’s architecture and three transaction modes, shows environment setup, code implementation, testing steps, and common pitfalls with solutions.

AT ModeDockerJava
0 likes · 11 min read
Mastering Distributed Transactions in Spring Cloud with Seata (Part 8)
Spring Full-Stack Practical Cases
Spring Full-Stack Practical Cases
May 20, 2026 · Backend Development

10 Essential Spring Boot Utility Classes to Cut Your Code in Half

This article showcases ten built‑in Spring Boot utilities—including version retrieval, system property access, temporary and home directory handling, method introspection, generic type resolution, process ID extraction, property binding, and package path registration—each illustrated with concise code examples that dramatically reduce the need for custom helper classes.

Code SimplificationGenericTypeResolverJava
0 likes · 11 min read
10 Essential Spring Boot Utility Classes to Cut Your Code in Half
Java Architect Essentials
Java Architect Essentials
May 19, 2026 · Backend Development

Why Storing Tokens in Redis Is the Right Answer in Interviews

The article explains why many interviewers mock the Redis‑based token design, then systematically presents technical and security reasons—controllable logout, multi‑device SSO, high performance, dynamic permissions—and provides concrete implementation details, comparison with pure JWT, and best‑practice responses.

AuthenticationBackend SecurityRedis
0 likes · 6 min read
Why Storing Tokens in Redis Is the Right Answer in Interviews
Spring Full-Stack Practical Cases
Spring Full-Stack Practical Cases
May 19, 2026 · Backend Development

Why Logs Alone Fail in Spring Boot: Achieving True Observability

The article explains that relying solely on log statements in Spring Boot applications cannot reveal request identities, latency, async task health, failure details, or cross‑service flows, and demonstrates how to augment logs with MDC correlation IDs, Micrometer metrics, and Zipkin tracing for comprehensive observability.

MetricsMicrometerObservability
0 likes · 9 min read
Why Logs Alone Fail in Spring Boot: Achieving True Observability
java1234
java1234
May 19, 2026 · Backend Development

Why JDK 26’s New Features Are a Game‑Changer for Your Projects

JDK 26 introduces a suite of impactful JEPs—including primitive type pattern matching, G1 GC throughput gains, AOT object caching for faster startup, built‑in PEM encoding, stricter final‑field handling, HTTP/3 support, LazyConstant, structured concurrency, and a mature Vector API—each backed by code examples and performance data to help developers modernize their Java applications.

Javaaot-cacheg1-gc
0 likes · 29 min read
Why JDK 26’s New Features Are a Game‑Changer for Your Projects
Java Architect Essentials
Java Architect Essentials
May 18, 2026 · Backend Development

Meet Reqable: A Free, Cross‑Platform Postman Alternative with Superior Performance

Reqable is a free, cross‑platform API testing tool built with Flutter and C++ that offers instant startup, low memory usage, offline storage, HTTP/2‑3 support, data migration from other tools, packet‑capture debugging, and an active open‑source community, positioning it as a high‑performance replacement for Postman.

API testingCFlutter
0 likes · 7 min read
Meet Reqable: A Free, Cross‑Platform Postman Alternative with Superior Performance