https://ryanchan.topThe first step is always the hardest.Halo v2.25.4zh-cnhttps://cdn.jsdelivr.net/gh/chenruiyingry/BlogImages/img/IMG_0003.jpghttps://ryanchan.topWed, 12 Aug 2026 17:50:11 GMThttps://ryanchan.top/archives/agent-architecture-design-principles-router-runtime-business-script本文整理一套适合 Router Agent + Skill + Runtime 架构的设计原则：Agent 只负责业务决策，Runtime 统一负责执行、恢复、Trace、Checkpoint 和 Evidence，Business Script 只做确定性业务执行。]]>/archives/agent-architecture-design-principles-router-runtime-business-scriptRyan Chen指南Sat, 27 Jun 2026 08:23:56 GMThttps://ryanchan.top/archives/rocketmq-architecture-design-best-practices本文基于 RocketMQ 4.x 经典架构，梳理 NameServer、Broker、Producer、Consumer、Remoting 与 Store 模块，结合消息轨迹、存储模型、FastFail、事务消息和高可用部署，总结高并发场景下的实践要点。]]>/archives/rocketmq-architecture-design-best-practicesRyan ChenJavaThu, 12 Sep 2024 03:20:19 GMThttps://ryanchan.top/archives/redis-core-concepts-data-structures-high-availability系统梳理 Redis 的核心数据类型、底层结构、过期与淘汰、持久化、事务、主从复制、Sentinel、Cluster、缓存一致性和分布式锁等机制，适合作为 Redis 学习、面试复习和高可用架构设计参考。]]>/archives/redis-core-concepts-data-structures-high-availabilityRyan Chen指南Mon, 9 Sep 2024 02:08:28 GMThttps://ryanchan.top/archives/b-plus-tree-and-its-application-in-databases本文从 B+ 树的多叉平衡结构、叶子节点链表、范围查询和磁盘 I/O 特性出发，解释数据库索引为什么常采用 B+ 树，并结合 MySQL InnoDB 的聚簇索引、二级索引、回表、覆盖索引和联合索引机制理解其实际应用。]]>/archives/b-plus-tree-and-its-application-in-databasesRyan Chen指南Thu, 5 Sep 2024 01:20:17 GMThttps://ryanchan.top/archives/solutions-for-inserting-zero-id-in-mysql-auto-incrementMySQL 的 AUTO_INCREMENT 字段默认会把插入 0 视为生成下一个自增值。本文分析该行为的原因，并介绍如何通过 NO_AUTO_VALUE_ON_ZERO、会话级 SQL Mode 和配置文件安全地插入 ID=0 的数据。]]>/archives/solutions-for-inserting-zero-id-in-mysql-auto-incrementRyan Chen指南Wed, 4 Sep 2024 02:10:10 GMThttps://ryanchan.top/archives/efficient-writes-lsm-trees-data-storage从写入路径、WAL、MemTable、SSTable、Bloom Filter、Compaction 与读写放大角度解析 LSM Tree，理解它为什么适合写入密集型数据库与存储引擎。]]>/archives/efficient-writes-lsm-trees-data-storageRyan Chen指南Wed, 3 Jan 2024 02:25:14 GMThttps://ryanchan.top/archives/pcta-learning-notes-tidb-database-core-principles-and-architecture从 TiDB Server、PD、TiKV、TiFlash 四个核心组件出发，梳理 SQL 层、分布式 KV、Raft 高可用、MVCC 事务、TSO 调度与 HTAP 架构，帮助建立完整的 TiDB 原理认知。]]>/archives/pcta-learning-notes-tidb-database-core-principles-and-architectureRyan Chen指南Tue, 5 Sep 2023 06:54:07 GMThttps://ryanchan.top/archives/unveiling-java-lists-exploring-core-data-structures系统梳理 Java List 接口、ArrayList 动态数组、LinkedList 双向链表、容量扩容、遍历与 fail-fast 机制，并对比 synchronizedList、CopyOnWriteArrayList、Vector 等线程安全方案的适用场景。]]>/archives/unveiling-java-lists-exploring-core-data-structuresRyan ChenJavaWed, 16 Aug 2023 06:15:31 GMThttps://ryanchan.top/archives/mysql-connector-j-loadbalance-and-failover-implementation-and-tips系统梳理 MySQL Connector/J 的多主机连接模式，包括 Failover、LoadBalance、Source/Replica Replication 与 DNS SRV，说明 JDBC URL、关键参数、连接池配合、事务边界、异常重试和生产环境高可用注意事项。]]>/archives/mysql-connector-j-loadbalance-and-failover-implementation-and-tipsRyan Chen指南Thu, 27 Apr 2023 07:51:14 GMThttps://ryanchan.top/archives/comprehensive-guide-to-array-basics-theory-and-application从数组的连续存储、下标访问、Java 数组对象、一维与多维数组、遍历、查找、插入、删除、复制、排序和 Arrays 工具类出发，系统梳理数据结构学习中的数组基础。]]>/archives/comprehensive-guide-to-array-basics-theory-and-applicationRyan ChenJavaMon, 24 Apr 2023 01:52:07 GMThttps://ryanchan.top/archives/exploring-the-automated-configuration-of-feign-clients基于当前 Spring Cloud OpenFeign，梳理 @EnableFeignClients、FeignClientFactoryBean、FeignAutoConfiguration、FeignClientsConfiguration、FeignClientFactory 的自动装配流程，并结合超时、日志、重试、连接池、CircuitBreaker 与生产实践理解 Feign 客户端运行机制。]]>/archives/exploring-the-automated-configuration-of-feign-clientsRyan ChenJavaWed, 12 Apr 2023 09:46:50 GMThttps://ryanchan.top/archives/detailed-instructions-for-installing-docker-and-docker-compose面向 Linux 服务器环境，整理 Docker Engine 与 Docker Compose V2 的安装、启动、权限配置、常用参数和基础验证步骤。]]>/archives/detailed-instructions-for-installing-docker-and-docker-composeRyan Chen指南Tue, 11 Apr 2023 05:41:41 GMThttps://ryanchan.top/archives/springboot-testing-best-practice系统整理 Spring Boot 测试体系，区分单元测试、切片测试和集成测试，介绍 JUnit 5、Mockito、MockMvc、WebTestClient、测试切片、Testcontainers 和降低测试耦合的实践。]]>/archives/springboot-testing-best-practiceRyan ChenJavaSat, 8 Apr 2023 08:04:22 GMThttps://ryanchan.top/archives/optimizing-api-management-and-traffic-control-with-apisix-dashboard介绍 APISIX Dashboard 的定位、部署注意事项、登录访问、路由、服务、上游、插件和安全配置，帮助通过可视化方式管理 APISIX API 网关。]]>/archives/optimizing-api-management-and-traffic-control-with-apisix-dashboardRyan Chen指南Fri, 7 Apr 2023 03:07:55 GMThttps://ryanchan.top/archives/apisix-api-gateway-with-mock-plugin演示如何使用 APISIX mocking 插件为接口返回模拟响应，说明其在开发联调、临时兜底和接口降级中的使用方式、配置参数和注意事项。]]>/archives/apisix-api-gateway-with-mock-pluginRyan Chen指南Fri, 7 Apr 2023 01:51:13 GMThttps://ryanchan.top/archives/openwrt-installation-on-pve记录在 Proxmox VE 中部署 OpenWrt x86 软路由的完整流程，覆盖镜像选择、上传与解压、qm disk import / qm importdisk 导入磁盘、虚拟机启动项配置、单网卡旁路由与双网卡主路由网络规划、OpenWrt LAN IP 修改和常见故障排查。]]>/archives/openwrt-installation-on-pveRyan Chen软路由Thu, 6 Apr 2023 07:52:37 GMThttps://ryanchan.top/archives/mysql-temporary-table-solutions系统分析 MySQL 报错 The table ... is full 的常见原因，重点说明内部临时表、TempTable、tmpdir、InnoDB 临时表空间、SQL 排查、参数调整和版本升级思路。]]>/archives/mysql-temporary-table-solutionsRyan Chen指南Tue, 4 Apr 2023 07:53:16 GMThttps://ryanchan.top/archives/springboot-feign-okhttp-httpclient-best-practices系统讲解 Spring Cloud OpenFeign 集成 OkHttp 与 Apache HttpClient 5 的方式，重点说明默认客户端局限、连接池复用原理、超时参数、HC5 配置、OkHttp 配置、生产环境调优、监控观测与常见问题排查。]]>/archives/springboot-feign-okhttp-httpclient-best-practicesRyan ChenJavaFri, 24 Mar 2023 01:22:55 GMThttps://ryanchan.top/archives/jstack-diagnose-high-load-java-threads通过 top、top -H、线程 ID 十六进制转换、jstack 和 jcmd Thread.print 定位 Java 进程 CPU 高负载线程，并说明连续采样、线程栈判断、容器环境和常见高 CPU 场景。]]>/archives/jstack-diagnose-high-load-java-threadsRyan ChenJavaThu, 23 Feb 2023 05:39:40 GMThttps://ryanchan.top/archives/sysbench-guide-for-performance-testing系统整理 SysBench 的安装、通用参数、prepare / run / cleanup 流程、CPU、内存、线程、FileIO 与 MySQL OLTP 压测方法，并说明 TPS、QPS、延迟百分位、吞吐量和压测注意事项。]]>/archives/sysbench-guide-for-performance-testingRyan Chen指南Thu, 23 Feb 2023 03:32:35 GMT