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Code Ape Tech Column
Code Ape Tech Column
Apr 8, 2023 · Backend Development

Understanding Spring Dependency Injection and Lombok @RequiredArgsConstructor

This article explains Spring's three dependency injection methods—field, constructor, and setter injection—highlights the advantages of constructor injection for avoiding null pointers and circular dependencies, and demonstrates how Lombok's @RequiredArgsConstructor can simplify bean wiring in Java backend development.

BackendConstructor InjectionJava
0 likes · 6 min read
Understanding Spring Dependency Injection and Lombok @RequiredArgsConstructor
Selected Java Interview Questions
Selected Java Interview Questions
Apr 7, 2023 · Backend Development

Understanding Object Creation in Java: How Many Objects Are Created by `String s = new String("xyz")`?

This article explains the evolution of the Java method area, analyzes bytecode generated by `String s = new String("xyz")` and `String s = "xyz"`, and clarifies why the expression creates one or two objects depending on whether the literal already exists in the constant pool.

BackendConstant PoolObject Creation
0 likes · 7 min read
Understanding Object Creation in Java: How Many Objects Are Created by `String s = new String("xyz")`?
JD Tech
JD Tech
Apr 6, 2023 · Mobile Development

Switchquery: High‑Performance Mobile Configuration Platform with Second‑Level Real‑Time Reach

Switchquery is a high‑performance mobile configuration delivery platform that achieves second‑level real‑time updates through a novel header‑based versioning scheme, eliminating push notifications and long‑lived connections while supporting Android, iOS, and hybrid clients with low cost and high reliability.

BackendMobileconfiguration
0 likes · 17 min read
Switchquery: High‑Performance Mobile Configuration Platform with Second‑Level Real‑Time Reach
Laravel Tech Community
Laravel Tech Community
Apr 5, 2023 · Backend Development

PHP Performance Optimization: String Handling, Statements, Functions, Variables, Arrays and Architecture

This article presents a comprehensive set of PHP performance‑optimization techniques, covering efficient string operations, statement usage, function design, variable handling, array manipulation and architectural choices such as compression, static pages and caching, all illustrated with concrete code examples.

BackendOptimizationcoding practices
0 likes · 14 min read
PHP Performance Optimization: String Handling, Statements, Functions, Variables, Arrays and Architecture
vivo Internet Technology
vivo Internet Technology
Apr 5, 2023 · Backend Development

Moonbox: An Open‑Source Flow Recording and Replay Platform for Automated Testing

Moonbox is an open‑source, JVM‑Sandbox‑based platform that records and replays traffic to generate automated regression tests, offering visual management, rich plugins, multiple deployment options, high performance and safety features, and aims to simplify testing for developers while fostering community contributions.

Backendautomated testingjvm-sandbox
0 likes · 11 min read
Moonbox: An Open‑Source Flow Recording and Replay Platform for Automated Testing
HomeTech
HomeTech
Apr 5, 2023 · Backend Development

Design and Implementation of a Real‑Time Cache Update System Based on Kafka and Distributed Cache

This article presents a comprehensive design and implementation of a real‑time cache update system that leverages Kafka‑driven database change streams, a centralized cache scheduling center, executor registration, broadcast and fail‑over scheduling, and a lightweight SDK to achieve millisecond‑level cache consistency for C‑end services.

BackendCacheDistributed Systems
0 likes · 10 min read
Design and Implementation of a Real‑Time Cache Update System Based on Kafka and Distributed Cache
Architect
Architect
Apr 4, 2023 · Backend Development

Evolution of Distributed Locks with Redis and Redisson

This article walks through the step‑by‑step evolution of Redis‑based distributed lock implementations—from simple SETNX locking to atomic expiration, UUID‑based ownership, Lua‑scripted safe release, and finally using Redisson’s high‑level lock API—illustrating common pitfalls and robust solutions.

BackendConcurrencyJava
0 likes · 8 min read
Evolution of Distributed Locks with Redis and Redisson
Java Backend Technology
Java Backend Technology
Apr 4, 2023 · Backend Development

10 Proven Strategies to Supercharge API Performance in Java Backend

Discover a comprehensive set of practical techniques—including batch processing, asynchronous handling, caching, pre‑processing, pooling, parallel execution, indexing, transaction optimization, code refactoring, pagination, and lock granularity—to dramatically reduce API latency and improve backend efficiency, illustrated with Java code examples and diagrams.

Backendperformance-optimization
0 likes · 11 min read
10 Proven Strategies to Supercharge API Performance in Java Backend
Code Ape Tech Column
Code Ape Tech Column
Apr 4, 2023 · Backend Development

Understanding and Implementing Java Agent (Premain and Agentmain) for Bytecode Manipulation

This article introduces Java Agent technology, explains the differences between premain and agentmain modes, demonstrates how to build, package, and attach agents using Maven and the Attach API, and shows practical bytecode manipulation techniques with Instrumentation and Javassist, complete with code examples.

BackendInstrumentationJava
0 likes · 20 min read
Understanding and Implementing Java Agent (Premain and Agentmain) for Bytecode Manipulation
Top Architect
Top Architect
Apr 3, 2023 · Backend Development

Enabling Docker Remote Access, Configuring IDEA Docker Plugin, and Deploying a Spring Boot Eureka Server with Maven

This tutorial walks through enabling Docker remote connections on Linux and Windows, installing and configuring the IntelliJ IDEA Docker plugin, adding a docker‑maven‑plugin to a Spring Boot Eureka project, building Docker images, creating containers with port mapping, and setting up one‑click deployment for rapid backend development.

BackendDockerIDEA
0 likes · 11 min read
Enabling Docker Remote Access, Configuring IDEA Docker Plugin, and Deploying a Spring Boot Eureka Server with Maven
php Courses
php Courses
Apr 3, 2023 · Backend Development

Reindexing PHP Arrays: Using array_values, array_merge, and Manual Loops

This guide explains how to transform a PHP array with non‑sequential keys into a zero‑based sequential array by using the built‑in array_values function, the array_merge function, and a manual foreach loop, providing code examples and output for each method.

ArrayBackendReindex
0 likes · 3 min read
Reindexing PHP Arrays: Using array_values, array_merge, and Manual Loops
Java Captain
Java Captain
Apr 3, 2023 · Backend Development

Implementing Dynamic Scheduled Tasks in Spring Boot

This guide explains how to create Spring Boot scheduled tasks whose execution intervals can be changed at runtime using configurable cron expressions or periodic triggers, and provides REST endpoints to update the schedule without restarting the application.

BackendDynamic SchedulingJava
0 likes · 9 min read
Implementing Dynamic Scheduled Tasks in Spring Boot
Architects' Tech Alliance
Architects' Tech Alliance
Apr 2, 2023 · Fundamentals

General Software Architecture Overview and Implementation

This article presents a comprehensive overview of a flexible, layered software architecture—covering gateway, business, and foundation layers—explaining how to evolve from simple startup setups to adaptable structures that support HTTP/TCP handling, service design, component abstraction, and common technical components.

BackendBusiness LayerLayered Architecture
0 likes · 12 min read
General Software Architecture Overview and Implementation
Top Architect
Top Architect
Apr 2, 2023 · Backend Development

Implementing Request Rate Limiting in Spring Boot with Custom Annotations

This article demonstrates how to create a Spring Boot request‑rate‑limiting solution using a custom @RequestLimit annotation, a Redis‑backed interceptor, and configuration classes, providing step‑by‑step code examples and usage instructions for both class‑level and method‑level protection.

BackendInterceptorJava
0 likes · 9 min read
Implementing Request Rate Limiting in Spring Boot with Custom Annotations
MaGe Linux Operations
MaGe Linux Operations
Mar 31, 2023 · Backend Development

Mastering Rate Limiting: Leaky Bucket, Token Bucket, and Sliding Window in Go

This article explains three core rate‑limiting algorithms—Leaky Bucket, Token Bucket, and Sliding Window—detailing their principles, suitable scenarios, and provides complete Go implementations to help developers choose and integrate the right strategy for handling traffic spikes and protecting backend resources.

BackendRate LimitingSliding Window
0 likes · 15 min read
Mastering Rate Limiting: Leaky Bucket, Token Bucket, and Sliding Window in Go
php Courses
php Courses
Mar 31, 2023 · Backend Development

Blocking AhrefsBot and Scrapy Crawlers with Nginx in Docker

This article describes how to identify abnormal Nginx requests caused by bots like AhrefsBot and Scrapy, and provides a step‑by‑step Docker‑based solution that includes a custom Nginx configuration, agent‑deny rules, and optional Alibaba Cloud security‑group IP blocking to prevent memory spikes.

BackendDockerbot blocking
0 likes · 6 min read
Blocking AhrefsBot and Scrapy Crawlers with Nginx in Docker
DataFunSummit
DataFunSummit
Mar 29, 2023 · Backend Development

Analysis of the Redis‑py Bug that Caused a ChatGPT Data Leak

A recent Redis‑py library vulnerability caused ChatGPT to expose personal data of about 1.2% of Plus users, prompting an OpenAI apology, a detailed post‑mortem, and a series of backend and security fixes to prevent similar incidents.

BackendChatGPTDataLeak
0 likes · 5 min read
Analysis of the Redis‑py Bug that Caused a ChatGPT Data Leak
php Courses
php Courses
Mar 29, 2023 · Backend Development

Quick Installation Guide for PHP 8.2 Stack on Ubuntu 20.04 (Focal)

This step‑by‑step tutorial shows how to configure Alibaba mirrors, install PHP 8.2, Nginx, MySQL 8, Redis 6 and Composer on Ubuntu 20.04, adjust PHP‑FPM settings, create a test PHP file, start services, and verify the full LEMP stack works within about 20 minutes.

BackendDevOpsnginx
0 likes · 11 min read
Quick Installation Guide for PHP 8.2 Stack on Ubuntu 20.04 (Focal)
Laravel Tech Community
Laravel Tech Community
Mar 28, 2023 · Backend Development

2023 Spring Salary Trends for Chinese Software Engineers Across Roles

The article analyzes post‑pandemic salary changes in China for various tech positions—including backend (Java, PHP, Python), frontend, network security, mobile, testing, operations, data analysis, algorithm engineering, and architecture—showing modest growth in most areas with notable declines for Python and Android developers.

BackendChinaFrontend
0 likes · 5 min read
2023 Spring Salary Trends for Chinese Software Engineers Across Roles
IT Architects Alliance
IT Architects Alliance
Mar 28, 2023 · Backend Development

Designing Multi‑Level Cache Architecture for Microservices

This article explains how to design an effective multi‑level caching system for microservice environments, covering client‑side static resource caching, application‑layer CDN caching, and service‑layer Redis caching, and provides practical Nginx configuration examples to implement these caches.

BackendCDNCaching
0 likes · 10 min read
Designing Multi‑Level Cache Architecture for Microservices
MaGe Linux Operations
MaGe Linux Operations
Mar 27, 2023 · Backend Development

Mastering Rate Limiting: Concepts, Algorithms, and Real-World Implementations

This article explains the fundamental concepts of rate limiting, including time and resource dimensions, various rule types such as QPS, connection count, bandwidth, black/white lists, and distributed considerations, then details common algorithms like token bucket, leaky bucket, sliding window, and practical implementations using Nginx, Guava, Redis, and Sentinel.

BackendDistributed SystemsRate Limiting
0 likes · 16 min read
Mastering Rate Limiting: Concepts, Algorithms, and Real-World Implementations
Su San Talks Tech
Su San Talks Tech
Mar 26, 2023 · Backend Development

Unlock Real-Time MySQL Data Sync with Alibaba Canal: A Hands‑On Guide

This article introduces Alibaba's open‑source Canal middleware, explains its architecture and high‑availability design, walks through MySQL binlog configuration, Canal setup, and provides a complete Java client example for real‑time data synchronization, cache refresh, and task dispatch scenarios.

BackendCanalDataSync
0 likes · 18 min read
Unlock Real-Time MySQL Data Sync with Alibaba Canal: A Hands‑On Guide
Top Architect
Top Architect
Mar 25, 2023 · Backend Development

Implementing Request Rate Limiting in Spring Boot with Custom Annotation and Redis

This article explains how to limit the number of requests an interface can receive within a specific time window in a Spring Boot application by using a custom @RequestLimit annotation, Redis for counting, and a Spring interceptor to enforce the limits, complete with full code examples and configuration steps.

BackendJavaSpring Boot
0 likes · 10 min read
Implementing Request Rate Limiting in Spring Boot with Custom Annotation and Redis
21CTO
21CTO
Mar 24, 2023 · Backend Development

How to Build a High‑Concurrency Ticket‑Spiking System Like 12306 with Go and Redis

This article dissects the architecture of a 12306‑style ticket‑spiking service, explaining load‑balancing strategies, weighted Nginx routing, local and remote stock deduction using Go and Redis, and demonstrates performance testing that achieves thousands of requests per second while preventing oversell and undersell.

BackendGoRedis
0 likes · 20 min read
How to Build a High‑Concurrency Ticket‑Spiking System Like 12306 with Go and Redis
Top Architect
Top Architect
Mar 24, 2023 · Backend Development

Generating PDFs with Dynamic Tables and Images Using Java iText

This tutorial demonstrates how to generate PDF files in Java with iText by filling form templates, inserting images and charts, creating dynamic tables, handling page breaks, and adding custom page headers, footers, and watermarks for backend applications.

BackendCode TutorialDynamic Table
0 likes · 25 min read
Generating PDFs with Dynamic Tables and Images Using Java iText
Code Ape Tech Column
Code Ape Tech Column
Mar 24, 2023 · Backend Development

Request Collapsing Techniques: Hystrix Collapser, BatchCollapser, and ConcurrentHashMultiset

This article explains how merging similar or duplicate requests upstream using Hystrix Collapser, a custom BatchCollapser implementation, and Guava's ConcurrentHashMultiset can significantly reduce downstream load, improve throughput, and outlines their configurations, usage patterns, and suitable scenarios.

BackendBatchCollapserConcurrentHashMultiset
0 likes · 16 min read
Request Collapsing Techniques: Hystrix Collapser, BatchCollapser, and ConcurrentHashMultiset
JD Cloud Developers
JD Cloud Developers
Mar 23, 2023 · Backend Development

How to Build a Reliable Distributed Delay Queue in Java: Strategies, Pros & Cons

This article examines common delay‑processing scenarios such as payment timeouts and token refreshes, compares several implementation methods—including Java DelayQueue, MQ‑based delay queues, scheduled tasks, Redis ZSETs, and time wheels—highlights their advantages and drawbacks, and presents a concrete architecture and demo code for a robust, retry‑capable distributed delay component.

BackendRetrydelay queue
0 likes · 14 min read
How to Build a Reliable Distributed Delay Queue in Java: Strategies, Pros & Cons
php Courses
php Courses
Mar 23, 2023 · Backend Development

How to Resolve Composer Dependency Errors in Laravel Projects

This guide explains how to fix common Composer dependency errors in a Laravel project by backing up and removing the composer.lock file, reinstalling dependencies, and restoring the lock file, while also showing the typical error messages that may appear.

BackendTroubleshootingdependency
0 likes · 3 min read
How to Resolve Composer Dependency Errors in Laravel Projects
Top Architect
Top Architect
Mar 21, 2023 · Backend Development

Understanding @Autowired vs @Resource and Injection Methods in Spring

The article explains common pitfalls of using Spring's @Autowired, compares it with the standard @Resource annotation, and demonstrates various injection techniques—including field, setter, constructor, and Lombok-based constructor injection—through detailed code examples and best‑practice recommendations.

AutowiredBackendJava
0 likes · 6 min read
Understanding @Autowired vs @Resource and Injection Methods in Spring
政采云技术
政采云技术
Mar 21, 2023 · Information Security

In‑Depth Analysis of Spring Security Authentication Process and Core Components

This article provides a comprehensive walkthrough of Spring Security’s authentication mechanism, detailing the filter chain, core security components, and the underlying source‑code flow—from UsernamePasswordAuthenticationFilter through AuthenticationManager, ProviderManager, and DaoAuthenticationProvider—illustrated with code examples and diagrams.

AuthenticationAuthorizationBackend
0 likes · 20 min read
In‑Depth Analysis of Spring Security Authentication Process and Core Components
Architect's Guide
Architect's Guide
Mar 19, 2023 · Backend Development

Implementing Unified Functionality in Spring Boot: Authentication, Data Formatting, Exception Handling, and Interceptors

This article demonstrates how to build a unified processing module in Spring Boot by using AOP and HandlerInterceptor to centralize user login validation, standardize response formats, handle exceptions globally with @ControllerAdvice, and configure path prefixes, providing complete code examples and implementation details.

AOPBackendException Handling
0 likes · 17 min read
Implementing Unified Functionality in Spring Boot: Authentication, Data Formatting, Exception Handling, and Interceptors
Architect
Architect
Mar 18, 2023 · Backend Development

How to Configure JVM Parameters for a Platform Handling 1 Million Daily Login Requests on an 8 GB Server

This article explains a step‑by‑step methodology for estimating capacity, selecting appropriate garbage collectors, sizing JVM memory regions, and tuning advanced parameters such as survivor ratio, tenuring threshold, and Metaspace to reliably support a login service that processes one million requests per day on a machine with 8 GB of RAM.

BackendGarbage CollectionJVM
0 likes · 25 min read
How to Configure JVM Parameters for a Platform Handling 1 Million Daily Login Requests on an 8 GB Server
Top Architect
Top Architect
Mar 16, 2023 · Backend Development

Various Ways to Measure Code Execution Time in Java

This article explains several common techniques for measuring Java code execution time, including System.currentTimeMillis(), Spring's StopWatch utility, System.nanoTime(), and the use of new Date(), providing code examples and a brief overview of StopWatch's API for developers seeking precise performance metrics.

BackendJavaStopwatch
0 likes · 5 min read
Various Ways to Measure Code Execution Time in Java
Top Architect
Top Architect
Mar 16, 2023 · Backend Development

Understanding DTO, VO, BO, PO, DO, and POJO in Java Backend Development

This article explains the definitions, differences, and typical usage scenarios of DTO, VO, BO, PO, DO, and POJO in Java backend development, provides code examples for each layer, and introduces an IDEA plugin that automates object conversion to improve code maintainability.

BackendDTOJava
0 likes · 7 min read
Understanding DTO, VO, BO, PO, DO, and POJO in Java Backend Development
Programmer DD
Programmer DD
Mar 16, 2023 · Backend Development

Mastering Rate Limiting with Redis: 3 Practical Implementations

This article explains three Redis‑based rate‑limiting techniques—using SETNX, sorted sets, and a token‑bucket with lists—providing code examples, discussing their advantages and drawbacks, and showing how to integrate them into Java Spring applications to protect high‑concurrency services.

BackendJavaRate Limiting
0 likes · 7 min read
Mastering Rate Limiting with Redis: 3 Practical Implementations
Qunhe Technology Quality Tech
Qunhe Technology Quality Tech
Mar 16, 2023 · Operations

Automating IS Regression Testing with SSIM Image Comparison and Async Rendering

This article describes how the Inspiration Spaces (IS) platform implements an automated regression testing pipeline that uses SSIM image similarity, asynchronous rendering, and pre‑defined sample rooms to dramatically reduce manual effort, improve detection of rendering bugs, and streamline cross‑team collaboration.

BackendOperationsRegression testing
0 likes · 11 min read
Automating IS Regression Testing with SSIM Image Comparison and Async Rendering
Spring Full-Stack Practical Cases
Spring Full-Stack Practical Cases
Mar 15, 2023 · Backend Development

Mastering Spring Boot RestTemplate and WebClient: Configuration and Customization

Learn how Spring Boot 2.6.14 simplifies calling remote REST services using RestTemplate and WebClient, including automatic configuration with RestTemplateBuilder, customization options via RestTemplateCustomizer and WebClient.Builder, and detailed code examples for building, customizing, and selecting appropriate HTTP connectors.

BackendHTTPJava
0 likes · 9 min read
Mastering Spring Boot RestTemplate and WebClient: Configuration and Customization
Top Architect
Top Architect
Mar 14, 2023 · Backend Development

Understanding Caching in Spring: Local vs Distributed Cache and GuavaCacheManager

This article explains the concept and purpose of caching, compares local and centralized cache approaches, introduces Spring's cache support and various CacheManager implementations, details GuavaCacheManager configuration and expiration strategies, demonstrates @Cacheable usage, and discusses common pitfalls such as cache miss due to internal method calls.

BackendCacheJava
0 likes · 8 min read
Understanding Caching in Spring: Local vs Distributed Cache and GuavaCacheManager
Architect's Guide
Architect's Guide
Mar 12, 2023 · Backend Development

Redis Interview Questions: Solving Cache Penetration, Cache Breakdown, and Cache Avalanche

This article explains the concepts of cache penetration, cache breakdown (stampede), and cache avalanche in Redis, and provides practical solutions such as parameter validation, null‑value caching, Bloom filters, mutex locks, hot‑data non‑expiration, and randomizing expiration times, accompanied by Java code examples.

BackendCacheJava
0 likes · 9 min read
Redis Interview Questions: Solving Cache Penetration, Cache Breakdown, and Cache Avalanche
Top Architect
Top Architect
Mar 11, 2023 · Backend Development

Using cpolar for Intranet Penetration to Debug SpringBoot APIs

This tutorial explains how to set up a Java SpringBoot service, install and configure the cpolar intranet‑penetration tool, create HTTP tunnels for local ports, test the public endpoints with Postman, reserve a fixed sub‑domain, and use cpolar's listener for request debugging.

API debuggingBackendJava
0 likes · 7 min read
Using cpolar for Intranet Penetration to Debug SpringBoot APIs
IT Services Circle
IT Services Circle
Mar 9, 2023 · Backend Development

Interview Experience and Preparation Guide for Backend Engineer Positions at ByteDance, MiHoYo, Futu, and Yuanfudao

The author shares a detailed recap of interview preparation, processes, technical questions, and personal reflections from recent backend engineering interviews at several top Chinese tech companies, highlighting the importance of solid fundamentals, Go knowledge, and systematic study resources.

BackendDatabasesGolang
0 likes · 19 min read
Interview Experience and Preparation Guide for Backend Engineer Positions at ByteDance, MiHoYo, Futu, and Yuanfudao
Top Architect
Top Architect
Mar 8, 2023 · Backend Development

JVM Parameter Tuning for a Service Handling 10 Million Daily Login Requests on an 8 GB Node

This article walks through a systematic approach to sizing and configuring JVM parameters—including heap, young generation, GC algorithm, Metaspace, and safety‑point settings—for a high‑traffic login service that receives one million requests per day on a server with 8 GB of memory, providing both practical code examples and interview‑style explanations.

BackendGarbage CollectionJVM
0 likes · 25 min read
JVM Parameter Tuning for a Service Handling 10 Million Daily Login Requests on an 8 GB Node
JavaEdge
JavaEdge
Mar 7, 2023 · Backend Development

Unpacking Dubbo’s Remoting Module: Architecture, Core Interfaces, and Transporter Layer

This article provides a detailed walkthrough of Dubbo’s remoting module, covering its overall architecture, the dubbo‑remoting‑api abstraction, key packages such as buffer, exchange and transport, core interfaces like Endpoint and Channel, the role of ChannelHandler, the Transporter facade, and a concise summary of how these components interact to enable flexible, pluggable network communication.

BackendDubboJava
0 likes · 10 min read
Unpacking Dubbo’s Remoting Module: Architecture, Core Interfaces, and Transporter Layer
Top Architect
Top Architect
Mar 7, 2023 · Backend Development

Differences Between BIO, NIO, and AIO in Java Network Programming

This article explains the concepts of synchronous vs asynchronous and blocking vs non‑blocking I/O, then details the characteristics, advantages, and drawbacks of Java’s three I/O models—BIO, NIO, and AIO—providing guidance on when to use each approach in backend development.

AIOBIOBackend
0 likes · 9 min read
Differences Between BIO, NIO, and AIO in Java Network Programming
Top Architect
Top Architect
Mar 6, 2023 · Backend Development

An Introduction to GraphQL: Concepts, Benefits, and Implementation Strategies

This article explains the limitations of REST APIs, introduces GraphQL as a flexible alternative, details its core concepts such as schema, types, queries, mutations and subscriptions, and outlines various architectural patterns and tooling for integrating GraphQL into existing backend systems.

APIBackendData Fetching
0 likes · 16 min read
An Introduction to GraphQL: Concepts, Benefits, and Implementation Strategies
Architecture Breakthrough
Architecture Breakthrough
Mar 6, 2023 · Backend Development

Boost System Performance with a Practical Asynchronous Processing Pattern

This article outlines a step‑by‑step asynchronous processing pattern—including request reception, backend handling, exception retry, failure compensation, and alerting—to prioritize functional improvements and quickly enhance system performance while aligning technical actions with business goals.

AsynchronousBackendException Handling
0 likes · 6 min read
Boost System Performance with a Practical Asynchronous Processing Pattern
Code Ape Tech Column
Code Ape Tech Column
Mar 6, 2023 · Backend Development

Thread Creation Techniques in RocketMQ Source Code

This article explains how RocketMQ creates and manages threads, covering single‑thread creation via Runnable and Thread inheritance, the ServiceThread abstract class, ThreadPoolExecutor configuration, custom thread factories, and the importance of descriptive thread names for debugging.

BackendConcurrencyJava
0 likes · 9 min read
Thread Creation Techniques in RocketMQ Source Code
JavaEdge
JavaEdge
Mar 5, 2023 · Backend Development

Designing a Scalable RPC Framework: Architecture and Extensibility

This article explains the core components of an RPC framework—including transport, serialization, protocol framing, compression, bootstrap integration, service discovery, connection management, and a plugin‑based microkernel architecture—while highlighting design trade‑offs and practical extensions for robust backend systems.

BackendRPCmicrokernel
0 likes · 9 min read
Designing a Scalable RPC Framework: Architecture and Extensibility
Java High-Performance Architecture
Java High-Performance Architecture
Mar 1, 2023 · Backend Development

Designing a High‑Performance Membership System Using ES, Redis, and MySQL

This article details how a large‑scale membership platform achieves high performance and high availability by employing a dual‑center Elasticsearch cluster, traffic‑isolated ES clusters, deep ES optimizations, Redis caching with distributed locks, dual‑center MySQL partitioning, seamless data migration, and fine‑grained flow‑control and degradation strategies.

BackendSystem architecturehigh availability
0 likes · 21 min read
Designing a High‑Performance Membership System Using ES, Redis, and MySQL
JavaEdge
JavaEdge
Feb 27, 2023 · Backend Development

How Dynamic Proxies Power RPC Calls in Java

This article explains the core principle of RPC using dynamic proxies, showing how interfaces are proxied at runtime, the code generation process, and compares JDK, Javassist, and Byte Buddy proxy implementations with practical examples.

BackendByte BuddyDynamic Proxy
0 likes · 9 min read
How Dynamic Proxies Power RPC Calls in Java
Su San Talks Tech
Su San Talks Tech
Feb 24, 2023 · Backend Development

Why We’re Dropping RabbitMQ for Kafka: A Complete Migration Blueprint

Facing chaotic usage, maintenance challenges, partition tolerance issues, and performance bottlenecks with RabbitMQ, our middleware team decided to fully migrate to Kafka, outlining reasons, comparative models, migration strategies, and verification steps to ensure a smooth, high‑availability, high‑performance transition.

BackendKafkaMessage queue
0 likes · 13 min read
Why We’re Dropping RabbitMQ for Kafka: A Complete Migration Blueprint
Laravel Tech Community
Laravel Tech Community
Feb 23, 2023 · Backend Development

How to Configure Nginx to Handle 100,000 Requests per Minute

This article provides a step‑by‑step guide to configuring Nginx for high‑traffic scenarios, covering increasing worker processes, adjusting worker connections, enabling keep‑alive, optimizing caching, and setting up load balancing, along with discussion of common performance bottlenecks and tuning recommendations to achieve up to 100,000 requests per minute.

Backend
0 likes · 7 min read
How to Configure Nginx to Handle 100,000 Requests per Minute
Java High-Performance Architecture
Java High-Performance Architecture
Feb 23, 2023 · Backend Development

How to Build a High‑Performance Call Center Architecture for Rapid Scaling

This article details the design of a high‑performance, scalable call‑center system, covering business and technical architecture, a visual workflow engine, communication component modularization, flow control under traffic peaks, and future plans for a unified telephony platform, illustrating how to boost first‑call resolution and user satisfaction.

BackendScalabilitySystem architecture
0 likes · 16 min read
How to Build a High‑Performance Call Center Architecture for Rapid Scaling
macrozheng
macrozheng
Feb 23, 2023 · Fundamentals

Master Java Class Naming: 10 Proven Patterns for Clean Code

This article explores common Java class naming conventions across ten categories—management, propagation, callbacks, monitoring, memory, filtering, structure, design patterns, parsing, and networking—providing clear examples and best‑practice tips to make your code more readable and professional.

BackendJavaclass naming
0 likes · 18 min read
Master Java Class Naming: 10 Proven Patterns for Clean Code
FunTester
FunTester
Feb 23, 2023 · Backend Development

Why RESTful APIs Simplify Testing: A Practical Guide for Test Engineers

This article explains how RESTful API design reduces testing complexity by using unique URIs, standard HTTP methods, and JSON data exchange, and shows how test engineers can extend their frameworks with serialization support and added PUT/DELETE operations.

API testingBackendJSON
0 likes · 7 min read
Why RESTful APIs Simplify Testing: A Practical Guide for Test Engineers
macrozheng
macrozheng
Feb 22, 2023 · Backend Development

Three Reliable Ways to Auto‑Cancel Unpaid Orders in E‑Commerce

This article explores three practical approaches for automatically canceling unpaid e‑commerce orders—using scheduled tasks (both local and distributed), implementing passive client‑side cancellation with server checks, and leveraging delayed message queues such as RocketMQ—detailing their advantages, drawbacks, and typical frameworks.

BackendOrder CancellationScheduled Tasks
0 likes · 6 min read
Three Reliable Ways to Auto‑Cancel Unpaid Orders in E‑Commerce
NiuNiu MaTe
NiuNiu MaTe
Feb 22, 2023 · Databases

Master Redis String Internals: Common Interview Questions & Answers

This article reviews essential Redis string concepts, covering typical interview questions, encoding types, the EMBSTR threshold, SDS structure, and memory allocation details to help readers solidify their understanding of Redis string implementation.

BackendInterviewRedis
0 likes · 8 min read
Master Redis String Internals: Common Interview Questions & Answers
58 Tech
58 Tech
Feb 21, 2023 · Backend Development

Design and Implementation of FairPushy: A Dart‑Based Dynamic Update Platform for Flutter

This article presents the architecture, technology choices, and practical implementation details of FairPushy—a Dart‑driven backend and Flutter dynamic‑update platform—covering server development, concurrency handling, ORM integration, automated build pipelines, and deployment strategies for seamless hot‑reloading of mobile applications.

BackendConcurrencyDART
0 likes · 17 min read
Design and Implementation of FairPushy: A Dart‑Based Dynamic Update Platform for Flutter
Architects Research Society
Architects Research Society
Feb 19, 2023 · Backend Development

Choosing Between Polling, Server‑Sent Events, and WebSockets for Real‑Time Web Applications

This article compares three real‑time communication techniques—long/short polling, WebSockets, and Server‑Sent Events—by explaining their mechanisms, presenting client‑ and server‑side code examples, and discussing their advantages, drawbacks, and suitable use‑cases to help developers select the appropriate method for a dashboard application.

BackendFrontendPolling
0 likes · 12 min read
Choosing Between Polling, Server‑Sent Events, and WebSockets for Real‑Time Web Applications
Java High-Performance Architecture
Java High-Performance Architecture
Feb 18, 2023 · Backend Development

How We Scaled a Live‑Streaming Danmaku System to 1M Concurrent Users

This article details the design, bandwidth optimization, and reliability engineering behind a custom live‑streaming danmaku service that supports up to one million simultaneous users, covering problem analysis, compression techniques, polling strategies, service splitting, and performance results from a major traffic event.

BackendScalabilitydanmaku
0 likes · 10 min read
How We Scaled a Live‑Streaming Danmaku System to 1M Concurrent Users
ITPUB
ITPUB
Feb 18, 2023 · Backend Development

Mastering High‑Performance Backend: Lock‑Free, Zero‑Copy, Serialization, and More

This comprehensive guide explores essential backend techniques—including lock‑free programming, zero‑copy I/O, efficient serialization, pooling, concurrency, async processing, caching strategies, sharding, storage optimizations, and queue mechanisms—to build high‑performance, scalable services while highlighting practical code examples and real‑world trade‑offs.

BackendCachingQueue
0 likes · 51 min read
Mastering High‑Performance Backend: Lock‑Free, Zero‑Copy, Serialization, and More
政采云技术
政采云技术
Feb 16, 2023 · Backend Development

Graceful Shutdown Support in Spring Boot 2.3+ for Embedded Web Servers

Since Spring Boot 2.3.0.RELEASE, graceful shutdown is supported for all embedded web servers (Jetty, Reactor Netty, Tomcat, Undertow) and both reactive and servlet‑based applications, using SmartLifecycle beans, configurable timeouts, and a JVM shutdown hook to allow in‑flight requests to finish while refusing new ones.

BackendEmbeddedWebServerGracefulShutdown
0 likes · 10 min read
Graceful Shutdown Support in Spring Boot 2.3+ for Embedded Web Servers
Top Architect
Top Architect
Feb 11, 2023 · Backend Development

Comprehensive Guide to User Login Flow, Token Management, and Anonymous Access in Backend Systems

This article explains the complete user login process, including mobile verification, token generation, token expiration policies, request‑rate limiting with Redis, anonymous request handling, blacklist management, and provides full Java Spring code examples for implementing these backend authentication mechanisms.

API SecurityAuthenticationBackend
0 likes · 11 min read
Comprehensive Guide to User Login Flow, Token Management, and Anonymous Access in Backend Systems
Top Architect
Top Architect
Feb 11, 2023 · Backend Development

XNote – Lightweight Personal Note System: Features, Architecture, and Installation Guide

This article introduces XNote, a lightweight personal note system with rich data management, cross‑platform support, and extensible plugins, detailing its key features, system architecture, directory layout, required dependencies, and step‑by‑step installation and configuration instructions for Python environments.

BackendPythoninstallation guide
0 likes · 11 min read
XNote – Lightweight Personal Note System: Features, Architecture, and Installation Guide
Spring Full-Stack Practical Cases
Spring Full-Stack Practical Cases
Feb 8, 2023 · Backend Development

Mastering Spring Application Events: From Core Listeners to Asynchronous Handling

This article explains how Spring 5.3.23 uses ApplicationEvent and ApplicationListener for event handling, details the standard lifecycle events, shows how to create and publish custom events, and demonstrates annotation‑based, asynchronous, and ordered listeners for robust backend development.

ApplicationEventBackendEventListener
0 likes · 9 min read
Mastering Spring Application Events: From Core Listeners to Asynchronous Handling
MaGe Linux Operations
MaGe Linux Operations
Feb 7, 2023 · Operations

How to Scale Services Beyond 200k QPS: Practical Strategies for High‑Concurrency Systems

This article explores practical techniques for optimizing online services handling over 200,000 QPS, covering why relational databases fall short, multi‑level caching, multithreading, circuit breaking, I/O reduction, controlled retries, edge‑case handling, and efficient logging to maintain sub‑300 ms response times.

BackendPerformance Optimization
0 likes · 11 min read
How to Scale Services Beyond 200k QPS: Practical Strategies for High‑Concurrency Systems
Code Ape Tech Column
Code Ape Tech Column
Feb 7, 2023 · Backend Development

YouTube Backend Architecture: Databases, Vitess, and Cloud‑Native Infrastructure

This article examines YouTube's massive backend infrastructure, detailing its use of MySQL with Vitess for horizontal scaling, caching with Memcache, coordination via Zookeeper, cloud‑native deployment on Kubernetes, CDN delivery, and the storage systems (GFS, BigTable) that enable billions of users to upload and stream petabytes of video data.

BackendDatabasesScalability
0 likes · 15 min read
YouTube Backend Architecture: Databases, Vitess, and Cloud‑Native Infrastructure
Sanyou's Java Diary
Sanyou's Java Diary
Feb 6, 2023 · Backend Development

Master Reading Open‑Source Code: 18 Proven Strategies for Java Projects

This guide explains why reading source code matters and presents 18 practical techniques—covering JDK fundamentals, design patterns, official documentation, module analysis, demo‑first approach, purposeful reading, and effective note‑taking—to help developers confidently explore Java open‑source projects like RocketMQ.

BackendDesign Patternsdemo
0 likes · 15 min read
Master Reading Open‑Source Code: 18 Proven Strategies for Java Projects
Selected Java Interview Questions
Selected Java Interview Questions
Feb 6, 2023 · Backend Development

Backend Token Authentication, Rate Limiting, and Anonymous Access Design

This article explains a comprehensive backend user login flow, covering token generation, expiration policies, request validation, logout handling, anonymous access strategies, rate‑limiting with authorized tokens, path‑regex filtering, blacklist management, and includes a Spring‑Redis implementation example.

AuthenticationBackendRate Limiting
0 likes · 9 min read
Backend Token Authentication, Rate Limiting, and Anonymous Access Design
Laravel Tech Community
Laravel Tech Community
Feb 5, 2023 · Backend Development

PHP 8.2.2 Released – Comprehensive Bug‑Fix Update

PHP 8.2.2, a bug‑fix release, addresses numerous issues across the core engine, FPM, hash, LDAP, opcache, phar, PHPDBG, POSIX, random, standard library, and XMLWriter components, providing a more stable and secure version for developers.

BackendOPcachefpm
0 likes · 4 min read
PHP 8.2.2 Released – Comprehensive Bug‑Fix Update
21CTO
21CTO
Feb 4, 2023 · Backend Development

What’s New in Go 1.20? Key Features, Performance Boosts, and OS Support

Go 1.20, released six months after 1.19, brings major toolchain, runtime, and library updates—including new slice‑to‑array conversion, unsafe package functions, struct field comparison rules, comparable type enhancements, reduced binary size, build‑flag architecture support, coverage flags, and experimental RISC‑V FreeBSD support—while improving CPU performance by up to 2% and cutting memory overhead.

BackendGoGolang
0 likes · 5 min read
What’s New in Go 1.20? Key Features, Performance Boosts, and OS Support