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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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Latest from Sanyou's Java Diary

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Sanyou's Java Diary

Sep 21, 2023 · Big Data

Understanding Kafka: Core Concepts, Architecture, and Reliability Explained

This article provides a comprehensive overview of Kafka, covering its overall architecture, key components such as brokers, producers, consumers, topics, partitions, replicas, and ZooKeeper, as well as logical and physical storage mechanisms, producer and consumer workflows, configuration parameters, partition assignment strategies, rebalancing, and the replication model that ensures data reliability.

Data StreamingKafkaMessage Queues

0 likes · 18 min read

Understanding Kafka: Core Concepts, Architecture, and Reliability Explained

Sanyou's Java Diary

Sep 18, 2023 · Fundamentals

How to Write Effective Technical Articles: Proven Steps and Tips

This guide walks you through the entire process of crafting technical articles—from selecting topics and gathering resources, to structuring drafts, polishing language, using visuals, and final polishing—offering practical tips that help writers produce clear, engaging, and well‑organized content.

article writingcontent creationdocumentation

0 likes · 10 min read

How to Write Effective Technical Articles: Proven Steps and Tips

Sanyou's Java Diary

Sep 11, 2023 · Backend Development

Unveiling Spring’s 12 Core Startup Steps: A Deep Dive

This article walks through the twelve essential steps Spring performs during application startup, explaining each method—from prepareRefresh to finishRefresh—including bean factory preparation, post‑processor registration, and the final context refresh, all illustrated with diagrams and code snippets.

ApplicationContextSpringbeanfactory

0 likes · 16 min read

Unveiling Spring’s 12 Core Startup Steps: A Deep Dive

Sanyou's Java Diary

Sep 7, 2023 · Operations

How to Keep Kafka Stable: Proven Practices for Prevention, Monitoring, and Recovery

This comprehensive guide explains how to ensure Kafka stability by applying proactive prevention, continuous runtime monitoring, and effective fault‑resolution strategies, covering producer and consumer tuning, cluster configuration, performance optimization, alerting, and idempotent consumption to prevent message loss and service disruption.

KafkaPerformance Tuningfault-recovery

0 likes · 30 min read

How to Keep Kafka Stable: Proven Practices for Prevention, Monitoring, and Recovery

Sanyou's Java Diary

Sep 4, 2023 · Backend Development

Inside Nacos Dynamic Service Discovery: Architecture, Protocols, and Code

This article explains the fundamentals of Nacos dynamic service discovery, covering its purpose, communication protocols, registration, heartbeat, subscription, push mechanisms, and client querying, and includes detailed code examples and diagrams to illustrate the internal processes and performance improvements.

Dynamic RegistrationNacosgRPC

0 likes · 17 min read

Inside Nacos Dynamic Service Discovery: Architecture, Protocols, and Code

Sanyou's Java Diary

Aug 31, 2023 · Backend Development

How a Monolith Redesign Boosted Content Ingestion Performance 13‑Fold

The article details how QQ Browser's content architecture was transformed from a fragmented micro‑service system into a single monolithic service with a plugin framework, dramatically improving processing speed, fault tolerance, and development efficiency while handling thousands of content types.

C++backendmicroservices

0 likes · 20 min read

How a Monolith Redesign Boosted Content Ingestion Performance 13‑Fold

Sanyou's Java Diary

Aug 28, 2023 · Fundamentals

16 Proven Tips to Ace Your Tech Interview and Land the Offer

This article shares sixteen practical suggestions—from polishing your résumé and highlighting strengths to mastering technical descriptions, leveraging referrals, preparing for each interview round, handling HR talks, negotiating salary, and post‑interview reflection—to help job seekers improve their interview performance and secure a desirable offer.

Tech Interviewcareer adviceinterview

0 likes · 14 min read

16 Proven Tips to Ace Your Tech Interview and Land the Offer

Sanyou's Java Diary

Aug 21, 2023 · Databases

Master MySQL Optimization: Indexing, Locking, Pagination & Profiling Tips

This article presents practical MySQL optimization techniques—including proper index creation, avoiding index invalidation, choosing appropriate lock granularity, efficient pagination strategies, steering clear of SELECT *, and using EXPLAIN and SHOW PROFILE—to help developers write faster, more reliable SQL queries.

Database LocksIndexingMySQL

0 likes · 10 min read

Master MySQL Optimization: Indexing, Locking, Pagination & Profiling Tips

Sanyou's Java Diary

Aug 17, 2023 · Backend Development

How RocketMQ Achieves High Availability with Master‑Slave Replication

This article explains RocketMQ's master‑slave replication mechanism, comparing synchronous and asynchronous modes, detailing metadata and message data copying processes, and showing how synchronous guarantees are implemented using CompletableFuture to ensure high availability.

Asynchronous ReplicationBackend MessagingRocketMQ

0 likes · 9 min read

How RocketMQ Achieves High Availability with Master‑Slave Replication

Sanyou's Java Diary

Aug 14, 2023 · Backend Development

Mastering Feign Timeout Configuration: From Builder to Ribbon and Hystrix

This article explains how to configure Feign's timeout settings in various scenarios—including standalone usage, Spring Cloud integration, Ribbon, and Hystrix—detailing builder options, method‑level parameters, bean declarations, and configuration‑file approaches while highlighting priority rules and potential pitfalls.

HystrixRibbonSpring Cloud

0 likes · 15 min read

Mastering Feign Timeout Configuration: From Builder to Ribbon and Hystrix