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Sanyou's Java Diary
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Sanyou's Java Diary

Passionate about technology, though not great at solving problems; eager to share, never tire of learning!

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Recent Articles

Latest from Sanyou's Java Diary

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Sanyou's Java Diary
Sanyou's Java Diary
Nov 16, 2023 · Fundamentals

Why Readable Code Wins: Practical Tips to Boost Maintainability

This article explores the importance of code readability, comparing simple versus layered implementations, and offers concrete strategies—such as using clear intent, hierarchical structure, concise methods, pure conditions, and minimal comments—to improve maintainability and reduce side effects in everyday software development.

best practicesclean codecode readability
0 likes · 14 min read
Why Readable Code Wins: Practical Tips to Boost Maintainability
Sanyou's Java Diary
Sanyou's Java Diary
Nov 2, 2023 · Backend Development

How Many Requests Can a Default SpringBoot App Handle? Uncover Tomcat & Undertow Limits

This article explores how many concurrent requests a SpringBoot application can process with default settings, demonstrating a hands‑on demo, analyzing Tomcat’s thread‑pool defaults, comparing Undertow behavior, and revealing how configuration parameters like core threads, max threads, queue size, and connection limits affect throughput.

ConcurrencySpringBootThreadPool
0 likes · 18 min read
How Many Requests Can a Default SpringBoot App Handle? Uncover Tomcat & Undertow Limits
Sanyou's Java Diary
Sanyou's Java Diary
Oct 30, 2023 · Backend Development

Mastering API Retry Strategies in Java: 8 Proven Techniques

This article presents eight practical ways to implement retry mechanisms for third‑party API calls in Java, covering simple loops, recursion, built‑in HttpClient handlers, Spring Retry, Resilience4j, custom utilities, asynchronous thread‑pool retries, and message‑queue based retries, plus best‑practice guidelines.

ConcurrencyHttpClientMessageQueue
0 likes · 17 min read
Mastering API Retry Strategies in Java: 8 Proven Techniques
Sanyou's Java Diary
Sanyou's Java Diary
Oct 26, 2023 · Backend Development

Master Asynchronous Java: Threads, Futures, CompletableFuture & @Async

Explore the fundamentals and advanced techniques of asynchronous programming in Java, from basic thread creation and thread pools to Future, FutureTask, CompletableFuture, and Spring Boot’s @Async annotation, including practical code examples, event handling, and message queue integration for high‑throughput systems.

Asynchronous ProgrammingCompletableFutureConcurrency
0 likes · 17 min read
Master Asynchronous Java: Threads, Futures, CompletableFuture & @Async
Sanyou's Java Diary
Sanyou's Java Diary
Oct 16, 2023 · Backend Development

Unveiling the Core Mechanics of Spring Cloud Config Center

This article dissects how Spring Cloud Config Center integrates with Spring Boot, detailing the startup phases, the prepareEnvironment logic, the bootstrap container that fetches remote configurations, and the @RefreshScope mechanism that enables dynamic property refreshes.

Config CenterDynamic RefreshNacos
0 likes · 15 min read
Unveiling the Core Mechanics of Spring Cloud Config Center
Sanyou's Java Diary
Sanyou's Java Diary
Oct 9, 2023 · Backend Development

Unlocking Java NIO: How Select, Poll, and Epoll Revolutionize I/O Multiplexing

This article explains the evolution of I/O multiplexing in Java, covering the birth of multiplexing, the introduction of NIO with Selector, and detailed comparisons of select, poll, and epoll mechanisms, including their APIs, internal workings, and performance considerations for high‑concurrency network programming.

I/O MultiplexingNIOepoll
0 likes · 44 min read
Unlocking Java NIO: How Select, Poll, and Epoll Revolutionize I/O Multiplexing
Sanyou's Java Diary
Sanyou's Java Diary
Oct 6, 2023 · Backend Development

Inside Kafka Broker: How Its Network Architecture Handles Millions of Requests

This article deeply dissects Kafka Broker's network architecture and request‑processing pipeline, covering sequential, multithreaded, and event‑driven designs, the Reactor pattern, Acceptor and Processor threads, core request flow, and practical tuning parameters for high‑throughput, low‑latency deployments.

High ConcurrencyKafkaNetwork Architecture
0 likes · 22 min read
Inside Kafka Broker: How Its Network Architecture Handles Millions of Requests
Sanyou's Java Diary
Sanyou's Java Diary
Sep 27, 2023 · Backend Development

Mastering Distributed Transactions: From 2PC to Seata AT Mode

This article explains ACID properties of single‑node transactions, the challenges of multi‑data‑source operations, surveys common distributed‑transaction solutions such as 2PC, 3PC, TCC, status‑table and message‑queue approaches, and details the implementation of Seata's AT mode with lock and rollback mechanisms.

2PCAT modeSeata
0 likes · 32 min read
Mastering Distributed Transactions: From 2PC to Seata AT Mode