[{"data":1,"prerenderedAt":5330},["ShallowReactive",2],{"search-docs":3,"doc-\u002Fgolang\u002Fdistributed\u002Fmicroservice":886},[4,8,12,16,20,24,28,32,36,40,44,48,52,56,60,64,68,72,76,80,84,88,92,96,100,104,108,112,116,120,124,128,132,136,140,144,148,152,156,159,162,165,169,172,175,178,182,186,190,194,198,202,206,210,214,218,222,226,230,234,238,242,246,250,254,258,262,266,269,273,277,281,285,288,291,294,298,301,304,307,310,313,316,319,322,325,329,332,336,340,344,348,352,356,359,362,365,368,371,374,377,380,383,386,389,393,396,399,402,405,408,411,414,417,420,424,428,432,435,438,442,446,450,454,458,462,466,470,474,477,480,483,487,491,494,497,500,504,507,511,515,518,521,524,527,530,533,536,539,542,545,548,551,554,557,560,563,566,569,572,575,579,583,587,591,595,599,603,606,610,614,617,620,623,626,629,633,637,640,643,646,649,652,655,658,661,664,667,670,673,676,679,682,685,688,691,694,697,700,703,706,709,712,716,720,724,728,732,736,740,744,748,752,756,760,764,768,772,775,779,783,787,790,793,796,799,802,805,808,811,814,818,822,825,829,832,835,838,841,844,848,851,854,858,862,865,869,873,876,879,882],{"path":5,"title":6,"description":7},"\u002Fabout\u002Fauthor","作者相关","只想纯粹的做一个程序员...",{"path":9,"title":10,"description":11},"\u002Fabout\u002Fjourney","心路历程","",{"path":13,"title":14,"description":15},"\u002Fai\u002Fagent\u002Fframeworks","Agent 框架","主流 Agent 框架：LangChain、LlamaIndex、AutoGen、CrewAI",{"path":17,"title":18,"description":19},"\u002Fai\u002Fagent\u002Fhooks","Agent Hooks 与自动化","Claude Agent 的 Hooks 生命周期、事件类型、典型自动化场景",{"path":21,"title":22,"description":23},"\u002Fai\u002Fagent\u002Fintroduction","AI Agent 概述","AI Agent 核心概念：感知、规划、执行、记忆",{"path":25,"title":26,"description":27},"\u002Fai\u002Fagent\u002Fpractice","Agent 实战","AI Agent 实战：构建自主任务执行系统",{"path":29,"title":30,"description":31},"\u002Fai\u002Fagent\u002Fsdk","Claude Agent SDK 开发","使用 Claude Agent SDK 构建自定义 AI Agent：架构、API、生命周期",{"path":33,"title":34,"description":35},"\u002Fai\u002Fagent\u002Fsubagents","Subagents 子代理","用 Subagents 分解复杂任务、并发执行、隔离上下文",{"path":37,"title":38,"description":39},"\u002Fai\u002Fagent\u002Ftool-use","工具调用","AI Agent 工具调用：Function Calling、Tool Use 原理与实践",{"path":41,"title":42,"description":43},"\u002Fai\u002Ffundamentals\u002Fdeep-learning","深度学习入门","深度学习基础知识：前向传播、反向传播、损失函数、优化器",{"path":45,"title":46,"description":47},"\u002Fai\u002Ffundamentals\u002Fml-basics","机器学习基础","机器学习核心概念：监督学习、无监督学习、强化学习",{"path":49,"title":50,"description":51},"\u002Fai\u002Ffundamentals\u002Fneural-networks","神经网络原理","神经网络架构：CNN、RNN、注意力机制",{"path":53,"title":54,"description":55},"\u002Fai\u002Fgetting-started","AI 学习路线","AI 技术学习路线图，从基础到实战的完整指南",{"path":57,"title":58,"description":59},"\u002Fai\u002Fllm\u002Ffine-tuning","模型微调","大模型微调技术：LoRA、QLoRA、全量微调、RLHF",{"path":61,"title":62,"description":63},"\u002Fai\u002Fllm\u002Fintroduction","大模型概述","大语言模型发展历程、核心能力与主流模型对比",{"path":65,"title":66,"description":67},"\u002Fai\u002Fllm\u002Flocal-deploy","本地部署","大模型本地部署：Ollama、vLLM、llama.cpp",{"path":69,"title":70,"description":71},"\u002Fai\u002Fllm\u002Ftransformer","Transformer 架构","Transformer 架构详解：自注意力机制、位置编码、多头注意力",{"path":73,"title":74,"description":75},"\u002Fai\u002Fmcp\u002Fclient","MCP Client 开发","MCP Client 开发指南：连接、调用、集成",{"path":77,"title":78,"description":79},"\u002Fai\u002Fmcp\u002Fdebugging","MCP 调试与排错","MCP Server 开发与集成过程中的常见问题、日志分析、诊断工具",{"path":81,"title":82,"description":83},"\u002Fai\u002Fmcp\u002Fintroduction","MCP 概述","Model Context Protocol 协议概述：架构、核心概念、应用场景",{"path":85,"title":86,"description":87},"\u002Fai\u002Fmcp\u002Fserver","MCP Server 开发","MCP Server 开发指南：资源、工具、提示词的实现",{"path":89,"title":90,"description":91},"\u002Fai\u002Fmcp\u002Ftools","MCP Tools 深入","深入理解 MCP Tools：与 Resources\u002FPrompts 的差异、Schema 设计、Annotations 与权限控制",{"path":93,"title":94,"description":95},"\u002Fai\u002Fprompt\u002Fadvanced","高级 Prompt 模式","高级 Prompt 设计模式：Tree-of-Thought、自我反思、多轮对话策略",{"path":97,"title":98,"description":99},"\u002Fai\u002Fprompt\u002Fbasics","Prompt 基础","Prompt Engineering 入门：基本概念、角色设定、输出格式控制",{"path":101,"title":102,"description":103},"\u002Fai\u002Fprompt\u002Ftechniques","提示词技巧","常用提示词技巧：Few-shot、Chain-of-Thought、ReAct",{"path":105,"title":106,"description":107},"\u002Fai\u002Frag\u002Fembedding","文本嵌入","文本嵌入模型：Embedding 原理、模型选择、相似度计算",{"path":109,"title":110,"description":111},"\u002Fai\u002Frag\u002Fintroduction","RAG 概述","检索增强生成（RAG）架构原理、优势与应用场景",{"path":113,"title":114,"description":115},"\u002Fai\u002Frag\u002Fpractice","RAG 实战","RAG 应用实战：文档问答系统、知识库搭建",{"path":117,"title":118,"description":119},"\u002Fai\u002Frag\u002Fvector-database","向量数据库","主流向量数据库对比：Milvus、Pinecone、Chroma、Weaviate",{"path":121,"title":122,"description":123},"\u002Fai\u002Fskills\u002Fbest-practices","Skill 最佳实践","编写高质量 Skill 的设计原则、常见陷阱与优化技巧",{"path":125,"title":126,"description":127},"\u002Fai\u002Fskills\u002Fcreating","创建自定义 Skill","从零编写一个可被 Agent 自动发现和调用的 Skill",{"path":129,"title":130,"description":131},"\u002Fai\u002Fskills\u002Fintroduction","Agent Skills 概述","Claude Agent Skills 概念、工作原理、与 Tools\u002FMCP 的区别",{"path":133,"title":134,"description":135},"\u002Fgolang\u002Fadvanced\u002Fconcurrency","Go - 并发深入","深入理解 Go 并发编程的核心机制。",{"path":137,"title":138,"description":139},"\u002Fgolang\u002Fadvanced\u002Fgc","Go - 垃圾回收","理解 Go 的垃圾回收机制，掌握 GC 调优方法。",{"path":141,"title":142,"description":143},"\u002Fgolang\u002Fadvanced\u002Fgmp","Go - GMP 调度模型","GMP 是 Go 运行时调度器的核心模型，理解它对于编写高性能 Go 程序至关重要。",{"path":145,"title":146,"description":147},"\u002Fgolang\u002Fadvanced\u002Fgo-concurrency","Go - 并发编程","Go 的并发是其核心特性之一，通过 Goroutine 和 Channel 实现。",{"path":149,"title":150,"description":151},"\u002Fgolang\u002Fadvanced\u002Fmemory","Go - 内存模型","理解 Go 的内存分配机制和内存模型。",{"path":153,"title":154,"description":155},"\u002Fgolang\u002Fadvanced\u002Fprofiling","Go - 性能分析","掌握 Go 的性能分析工具：pprof、trace、benchmark。",{"path":157,"title":158,"description":11},"\u002Fgolang\u002Fcore\u002Fgo-basic","Go - 基础语法",{"path":160,"title":161,"description":11},"\u002Fgolang\u002Fcore\u002Fgo-composite","Go - 复合类型",{"path":163,"title":164,"description":11},"\u002Fgolang\u002Fcore\u002Fgo-control","Go - 流程控制",{"path":166,"title":167,"description":168},"\u002Fgolang\u002Fcore\u002Fgo-error","Go - 错误处理","Go 使用显式的错误返回值来处理错误，而不是异常机制。",{"path":170,"title":171,"description":11},"\u002Fgolang\u002Fcore\u002Fgo-function","Go - 函数",{"path":173,"title":174,"description":11},"\u002Fgolang\u002Fcore\u002Fgo-install","Go - 环境搭建",{"path":176,"title":177,"description":11},"\u002Fgolang\u002Fcore\u002Fgo-interface","Go - 接口",{"path":179,"title":180,"description":181},"\u002Fgolang\u002Fcore\u002Fgo-module","Go - 包管理","Go Modules 是 Go 1.11 引入的官方依赖管理方案，Go 1.16 后成为默认模式。",{"path":183,"title":184,"description":185},"\u002Fgolang\u002Fdistributed\u002Fgrpc","Go - gRPC","gRPC 是 Google 开发的高性能 RPC 框架，使用 Protocol Buffers 作为序列化协议。",{"path":187,"title":188,"description":189},"\u002Fgolang\u002Fdistributed\u002Fmicroservice","Go - 微服务","微服务架构的核心组件：服务发现、负载均衡、熔断降级。",{"path":191,"title":192,"description":193},"\u002Fgolang\u002Fdistributed\u002Fmq","Go - 消息队列","使用 Go 操作 Kafka 和 RabbitMQ。",{"path":195,"title":196,"description":197},"\u002Fgolang\u002Fdistributed\u002Fredis","Go - Redis","使用 go-redis 操作 Redis，实现缓存、分布式锁等功能。",{"path":199,"title":200,"description":201},"\u002Fgolang\u002Fengineering\u002Fconfig","Go - 配置管理","使用 viper 进行配置管理，支持多种配置格式和配置中心。",{"path":203,"title":204,"description":205},"\u002Fgolang\u002Fengineering\u002Fdocker","Go - Docker 部署","使用 Docker 容器化部署 Go 应用。",{"path":207,"title":208,"description":209},"\u002Fgolang\u002Fengineering\u002Fkubernetes","Go - Kubernetes 部署","在 Kubernetes 上部署和管理 Go 应用。",{"path":211,"title":212,"description":213},"\u002Fgolang\u002Fengineering\u002Flogging","Go - 日志系统","使用 zap 和 logrus 构建高性能结构化日志系统。",{"path":215,"title":216,"description":217},"\u002Fgolang\u002Fengineering\u002Ftesting","Go - 单元测试","Go 内置了强大的测试框架，掌握测试是编写高质量代码的基础。",{"path":219,"title":220,"description":221},"\u002Fgolang\u002Fstdlib\u002Fbufio","bufio","在 Go 语言中，bufio 包提供了带缓冲的 I\u002FO 操作，能够提高读写性能。以下是一些常用的 bufio 包 API 及其详细说明：",{"path":223,"title":224,"description":225},"\u002Fgolang\u002Fstdlib\u002Fcontainer","container","在Go语言标准库中，container 包提供了几种常用的数据结构实现，这些数据结构对于高效地管理和操作数据非常有用。以下是 container 包中主要的数据结构：",{"path":227,"title":228,"description":229},"\u002Fgolang\u002Fstdlib\u002Fcrypto","crypto","在 Go 语言中，crypto 包提供了一组用于加密和解密的功能。以下是一些常用的 crypto 包及其子包的 API 及其详细说明：",{"path":231,"title":232,"description":233},"\u002Fgolang\u002Fstdlib\u002Fencoding-csv","encoding\u002Fcsv","在 Go 语言中，encoding\u002Fcsv 包提供了对 CSV（逗号分隔值）文件进行读写的功能。以下是一些常用的 encoding\u002Fcsv 包的 API 及其详细说明：",{"path":235,"title":236,"description":237},"\u002Fgolang\u002Fstdlib\u002Fencoding-json","encoding\u002Fjson","在 Go 语言中，encoding\u002Fjson 包提供了对 JSON 数据进行编码和解码的功能。以下是一些常用的 encoding\u002Fjson 包的 API 及其详细说明：",{"path":239,"title":240,"description":241},"\u002Fgolang\u002Fstdlib\u002Fencoding-xml","encoding\u002Fxml","在 Go 语言中，encoding\u002Fxml 包提供了对 XML 数据进行编码和解码的功能。以下是一些常用的 encoding\u002Fxml 包的 API 及其详细说明：",{"path":243,"title":244,"description":245},"\u002Fgolang\u002Fstdlib\u002Fflag","flag","在Go语言中，flag 包是用于处理命令行参数的标准库，它提供了一种简单而直接的方式来解析和使用命令行参数。下面是关于 flag 包的一些基本介绍和常用功能：",{"path":247,"title":248,"description":249},"\u002Fgolang\u002Fstdlib\u002Ffmt","fmt","在 Go 语言的标准库中，fmt 包是非常重要的，它提供了处理格式化输入和输出的基本工具。以下是一些 fmt 包内常用的API：",{"path":251,"title":252,"description":253},"\u002Fgolang\u002Fstdlib\u002Fhttp","net\u002Fhttp","在 Go 语言中，net\u002Fhttp 包提供了用于构建 HTTP 客户端和服务器的强大工具。以下是一些常用的 net\u002Fhttp 包的 API 及其详细说明：",{"path":255,"title":256,"description":257},"\u002Fgolang\u002Fstdlib\u002Fio","io","在 Go 语言中，io 包提供了基本的输入输出功能。以下是一些常用的 io 包的 API 及其详细说明：",{"path":259,"title":260,"description":261},"\u002Fgolang\u002Fstdlib\u002Flog","log","在 Go 语言中，log 包提供了简单的日志记录功能。以下是一些常用的 log 包的 API 及其详细说明：",{"path":263,"title":264,"description":265},"\u002Fgolang\u002Fstdlib\u002Fmath","math","在 Go 语言中，math 包提供了基本的数学函数和常量。以下是一些常用的 math 包的 API 及其详细说明：",{"path":267,"title":268,"description":11},"\u002Fgolang\u002Fstdlib\u002Fnet","net",{"path":270,"title":271,"description":272},"\u002Fgolang\u002Fstdlib\u002Fos","os","在Go语言中，os 包是一个非常重要且常用的标准库，它提供了与操作系统交互的功能，包括文件操作、环境变量管理、进程管理等。下面是一些 os 包中常用的功能和API：",{"path":274,"title":275,"description":276},"\u002Fgolang\u002Fstdlib\u002Fsort","order","在 Go 语言中，sort 包提供了对切片和用户定义的集合进行排序的函数。它实现了常见的排序算法，如快速排序（Quicksort）和堆排序（Heapsort），并且为自定义集合提供了接口，使得用户可以根据特定的需求进行排序。",{"path":278,"title":279,"description":280},"\u002Fgolang\u002Fstdlib\u002Fstrconv","strconv","在 Go 语言中，strconv 包提供了字符串和基本数据类型之间的转换函数，例如将整数转换为字符串、字符串转换为整数，以及其他类型之间的转换。这些功能非常有用，特别是在处理用户输入或从外部数据源读取数据时。",{"path":282,"title":283,"description":284},"\u002Fgolang\u002Fstdlib\u002Ftime","time","在 Go 语言中，time 包提供了处理时间和日期的功能。以下是一些常用的 time 包的 API 及其详细说明：",{"path":286,"title":287,"description":11},"\u002Fgolang\u002Fweb\u002Fgin\u002Ferror","Gin - 错误处理",{"path":289,"title":290,"description":11},"\u002Fgolang\u002Fweb\u002Fgin\u002Ffile","Gin - 文件处理",{"path":292,"title":293,"description":11},"\u002Fgolang\u002Fweb\u002Fgin\u002Fmiddleware","Gin - 中间件",{"path":295,"title":296,"description":297},"\u002Fgolang\u002Fweb\u002Fgin\u002Fquickstart","Gin - 快速开始","Gin 是目前最流行的 Go Web 框架，以高性能和简洁 API 著称。",{"path":299,"title":300,"description":11},"\u002Fgolang\u002Fweb\u002Fgin\u002Frequest","Gin - 请求处理",{"path":302,"title":303,"description":11},"\u002Fgolang\u002Fweb\u002Fgin\u002Fresponse","Gin - 响应处理",{"path":305,"title":306,"description":11},"\u002Fgolang\u002Fweb\u002Fgin\u002Frouter","Gin - 路由",{"path":308,"title":309,"description":11},"\u002Fgolang\u002Fweb\u002Fgin\u002Fvalidation","Gin - 参数校验",{"path":311,"title":312,"description":11},"\u002Fgolang\u002Fweb\u002Fgorm\u002Fassociation","GORM - 关联关系",{"path":314,"title":315,"description":11},"\u002Fgolang\u002Fweb\u002Fgorm\u002Fcrud","GORM - CRUD 操作",{"path":317,"title":318,"description":11},"\u002Fgolang\u002Fweb\u002Fgorm\u002Fmodel","GORM - 模型定义",{"path":320,"title":321,"description":11},"\u002Fgolang\u002Fweb\u002Fgorm\u002Fperformance","GORM - 日志与性能",{"path":323,"title":324,"description":11},"\u002Fgolang\u002Fweb\u002Fgorm\u002Fquery","GORM - 高级查询",{"path":326,"title":327,"description":328},"\u002Fgolang\u002Fweb\u002Fgorm\u002Fquickstart","GORM - 快速开始","GORM 是 Go 语言最流行的 ORM 库，功能强大，使用简单。",{"path":330,"title":331,"description":11},"\u002Fgolang\u002Fweb\u002Fgorm\u002Ftransaction","GORM - 事务与 Hook",{"path":333,"title":334,"description":335},"\u002Finterview\u002Fbasic","计算机基础面经","本章节汇总了面试中常见的通用技术概念，不局限于特定语言或数据库，是考察技术内功的关键考点。",{"path":337,"title":338,"description":339},"\u002Finterview\u002Fgolang","Golang 面试题","Go 语言面试高频考点，覆盖基础语法、数据结构、并发编程、内存管理、GC、调度器等核心知识。",{"path":341,"title":342,"description":343},"\u002Finterview\u002Fk8s","Kubernetes 面试题","Kubernetes（K8s）面试高频考点，覆盖架构原理、核心资源、网络存储、调度策略、运维监控等核心知识。",{"path":345,"title":346,"description":347},"\u002Finterview\u002Fmysql","MySQL 面试题","MySQL 数据库面试高频考点，覆盖索引、事务、锁、优化、主从复制等核心知识。",{"path":349,"title":350,"description":351},"\u002Finterview\u002Fredis","Redis 面试题","Redis 面试高频考点，覆盖数据结构、持久化、集群、缓存一致性、性能优化等核心知识。",{"path":353,"title":354,"description":355},"\u002Finterview\u002Frocketmq","RocketMQ 面试题","RocketMQ 面试高频考点，覆盖消息模型、可靠性、顺序消息、事务消息、存储与高可用等核心知识。",{"path":357,"title":358,"description":11},"\u002Fother\u002Fjava\u002Fcollection\u002Flist-arraylist","List - ArrayList 源码解析",{"path":360,"title":361,"description":11},"\u002Fother\u002Fjava\u002Fcollection\u002Flist-linkedlist","List - LinkedList 源码解析",{"path":363,"title":364,"description":11},"\u002Fother\u002Fjava\u002Fcollection\u002Flist-stack","List - Satck源码解析",{"path":366,"title":367,"description":11},"\u002Fother\u002Fjava\u002Fcollection\u002Flist-vectore","List - Vector 源码解析",{"path":369,"title":370,"description":11},"\u002Fother\u002Fjava\u002Fcollection\u002Fmap-hashmap","Map - HashMap 源码解析",{"path":372,"title":373,"description":11},"\u002Fother\u002Fjava\u002Fcollection\u002Fmap-linkedhashmap","Map - LinkedHashMap 源码解析",{"path":375,"title":376,"description":11},"\u002Fother\u002Fjava\u002Fcollection\u002Fmap-treemap","Map - TreeMap 源码解析",{"path":378,"title":379,"description":11},"\u002Fother\u002Fjava\u002Fcollection\u002Fqueue-deque","Queue - Deque 接口解析",{"path":381,"title":382,"description":11},"\u002Fother\u002Fjava\u002Fcollection\u002Fqueue-queue","Queue - Queue 接口解析",{"path":384,"title":385,"description":11},"\u002Fother\u002Fjava\u002Fcollection\u002Fset-hashset","Set - HashSet源码解析",{"path":387,"title":388,"description":11},"\u002Fother\u002Fjava\u002Fcollection\u002Fset-linkedhashset","Set - LinkedHashSet 源码解析",{"path":390,"title":391,"description":392},"\u002Fother\u002Fjava\u002Fcollection\u002Fset-treeset","Set - TreeSet源码解析","TreeSet 是一个 Set 集合接口的实现类，与 HashSet 类似，其底层也是通过维护了一个 TreeMap 对象来封装了一些实现方法，故本篇不再对 TreeSet 的底层原理进行详细说明，仅对常用 API 做简单介绍，如需了解 TreeMap 的底层实现原理，请移步 Map - HashMap 源码解析",{"path":394,"title":395,"description":11},"\u002Fother\u002Fjava\u002Fcore\u002Fannotation","Java核心 - 注解",{"path":397,"title":398,"description":11},"\u002Fother\u002Fjava\u002Fcore\u002Fbasic-grammar","Java核心 - 基础语法",{"path":400,"title":401,"description":11},"\u002Fother\u002Fjava\u002Fcore\u002Fclass-and-object","Java核心 - 面向对象",{"path":403,"title":404,"description":11},"\u002Fother\u002Fjava\u002Fcore\u002Fcommon-classes","Java核心 - 常用类",{"path":406,"title":407,"description":11},"\u002Fother\u002Fjava\u002Fcore\u002Fexception","Java核心 - 异常处理",{"path":409,"title":410,"description":11},"\u002Fother\u002Fjava\u002Fcore\u002Fgenerics","Java核心 - 泛型",{"path":412,"title":413,"description":11},"\u002Fother\u002Fjava\u002Fcore\u002Fjdk-env-path","Java核心 - 环境搭建",{"path":415,"title":416,"description":11},"\u002Fother\u002Fjava\u002Fcore\u002Freflection","Java核心 - 反射",{"path":418,"title":419,"description":11},"\u002Fother\u002Fjava\u002Fcore\u002Fstring","Java核心 - String 字符串",{"path":421,"title":422,"description":423},"\u002Fother\u002Fjava\u002Fio\u002Fbuffer-stream","Java IO - 缓冲流","缓冲流是对基本流的包装，通过内置缓冲区减少系统调用次数，大幅提升读写效率。",{"path":425,"title":426,"description":427},"\u002Fother\u002Fjava\u002Fio\u002Fbyte-stream","Java IO - 字节流","字节流是 Java IO 中最基本的流类型，以字节（byte）为单位进行数据读写，可以处理任意类型的文件。",{"path":429,"title":430,"description":431},"\u002Fother\u002Fjava\u002Fio\u002Fchar-stream","Java IO - 字符流","字符流以字符为单位进行读写，专门用于处理文本文件。相比字节流，字符流能够正确处理字符编码，避免中文乱码问题。",{"path":433,"title":434,"description":11},"\u002Fother\u002Fjava\u002Fio\u002Ffile","Java IO - File 类",{"path":436,"title":437,"description":11},"\u002Fother\u002Fjava\u002Fio\u002Fio-stream-system","Java IO - IO流概述",{"path":439,"title":440,"description":441},"\u002Fother\u002Fjava\u002Fio\u002Fnio","Java IO - NIO","NIO（New IO）是 JDK 1.4 引入的新 IO 模型，提供了更高效的 IO 操作方式，支持非阻塞 IO 和多路复用。",{"path":443,"title":444,"description":445},"\u002Fother\u002Fjava\u002Fjvm\u002Fclass-loading","类加载机制","类加载机制是 JVM 将 .class 文件加载到内存，并对数据进行校验、转换解析和初始化，最终形成可被 JVM 直接使用的 Java 类型的过程。",{"path":447,"title":448,"description":449},"\u002Fother\u002Fjava\u002Fjvm\u002Fgarbage-collection","垃圾回收","垃圾回收（Garbage Collection，GC）是 JVM 自动管理内存的机制，负责回收不再使用的对象所占用的内存。",{"path":451,"title":452,"description":453},"\u002Fother\u002Fjava\u002Fjvm\u002Fjvm-memory","JVM 内存结构","JVM 在执行 Java 程序时，会把它管理的内存划分为若干个不同的数据区域。这些区域有各自的用途、创建和销毁时间。",{"path":455,"title":456,"description":457},"\u002Fother\u002Fjava\u002Fjvm\u002Fjvm-tuning","JVM 调优","JVM 调优是优化 Java 应用性能的重要手段，主要包括参数配置、性能监控和问题排查。",{"path":459,"title":460,"description":461},"\u002Fother\u002Fjava\u002Fthread\u002Fatomic","原子类","Java 原子类（Atomic Classes）提供了一种无锁的线程安全方式，基于 CAS（Compare-And-Swap）操作实现。",{"path":463,"title":464,"description":465},"\u002Fother\u002Fjava\u002Fthread\u002Fcompletable-future","CompletableFuture","CompletableFuture 是 JDK 8 引入的异步编程工具，实现了 Future 和 CompletionStage 接口，支持函数式编程和链式调用。",{"path":467,"title":468,"description":469},"\u002Fother\u002Fjava\u002Fthread\u002Fconcurrent-collections","并发集合","Java 并发包提供了多种线程安全的集合类，用于替代传统的同步集合（如 Collections.synchronizedList）。",{"path":471,"title":472,"description":473},"\u002Fother\u002Fjava\u002Fthread\u002Fconcurrent-utils","并发工具类","Java 并发包提供了多种实用的并发工具类，用于控制线程之间的协调与同步。",{"path":475,"title":476,"description":11},"\u002Fother\u002Fjava\u002Fthread\u002Fsynchronized-lock","同步机制",{"path":478,"title":479,"description":11},"\u002Fother\u002Fjava\u002Fthread\u002Fthread-basic","线程基础",{"path":481,"title":482,"description":11},"\u002Fother\u002Fjava\u002Fthread\u002Fthread-pool","线程池",{"path":484,"title":485,"description":486},"\u002Fother\u002Fspring-series\u002Fspring\u002Fannotations-beans","Spring - 基于注解管理Bean","从 Java 5 开始，Java 增加了对注解（Annotation）的支持，它是代码中的一种特殊标记，可以在编译、类加载和运行时被读取，执行相应的处理。开发人员可以通过注解在不改变原有代码和逻辑的情况下，在源代码中嵌入补充信息。",{"path":488,"title":489,"description":490},"\u002Fother\u002Fspring-series\u002Fspring\u002Fimplement-ioc","Spring - 原理手写IoC","Spring 框架的 IOC 是基于 Java 反射机制实现的，在学习手写 IoC 之前，你需要具备一定的 Java 反射相关的知识，参考本站内的 Java 教程。",{"path":492,"title":493,"description":11},"\u002Fother\u002Fspring-series\u002Fspring\u002Fintroduction-case","Spring - 入门案例",{"path":495,"title":496,"description":11},"\u002Fother\u002Fspring-series\u002Fspring\u002Fspring-aop","Spring - 面向切面AOP",{"path":498,"title":499,"description":11},"\u002Fother\u002Fspring-series\u002Fspring\u002Fspring-aot","Spring - AOT提前编译",{"path":501,"title":502,"description":503},"\u002Fother\u002Fspring-series\u002Fspring\u002Fspring-data-validation","Spring - 数据校验","在开发中，我们经常遇到参数校验的需求，比如用户注册的时候，要校验用户名不能为空、用户名长度不超过20个字符、手机号是合法的手机号格式等等。如果使用普通方式，我们会把校验的代码和真正的业务处理逻辑耦合在一起，而且如果未来要新增一种校验逻辑也需要在修改多个地方。而spring validation允许通过注解的方式来定义对象校验规则，把校验和业务逻辑分离开，让代码编写更加方便。Spring Validation其实就是对Hibernate Validator进一步的封装，方便在Spring中使用。",{"path":505,"title":506,"description":11},"\u002Fother\u002Fspring-series\u002Fspring\u002Fspring-i18n","Spring - 国际化i18n",{"path":508,"title":509,"description":510},"\u002Fother\u002Fspring-series\u002Fspring\u002Fspring-ioc","Spring - IOC容器","IoC 是 Inversion of Control 的简写，译为“控制反转”，它不是一门技术，而是一种设计思想，是一个重要的面向对象编程法则，能够指导我们如何设计出松耦合、更优良的程序。",{"path":512,"title":513,"description":514},"\u002Fother\u002Fspring-series\u002Fspring\u002Fspring-junit","Spring - 单元测试JUnit","在之前的测试方法中，几乎都能看到以下的两行代码：",{"path":516,"title":517,"description":11},"\u002Fother\u002Fspring-series\u002Fspring\u002Fspring-resources","Spring - 资源操作",{"path":519,"title":520,"description":11},"\u002Fother\u002Fspring-series\u002Fspring\u002Fspring-summarize","Spring - Spring概述",{"path":522,"title":523,"description":11},"\u002Fother\u002Fspring-series\u002Fspring\u002Fspring-transaction","Spring - 事务",{"path":525,"title":526,"description":11},"\u002Fother\u002Fspring-series\u002Fspring\u002Fxml-beans","Spring - 基于XML管理Bean",{"path":528,"title":529,"description":11},"\u002Fother\u002Fspring-series\u002Fspringboot\u002Fspringboot-config","SpringBoot - 配置详解",{"path":531,"title":532,"description":11},"\u002Fother\u002Fspring-series\u002Fspringboot\u002Fspringboot-data","SpringBoot - 数据访问",{"path":534,"title":535,"description":11},"\u002Fother\u002Fspring-series\u002Fspringboot\u002Fspringboot-quickstart","SpringBoot - 快速入门",{"path":537,"title":538,"description":11},"\u002Fother\u002Fspring-series\u002Fspringboot\u002Fspringboot-web","SpringBoot - Web 开发",{"path":540,"title":541,"description":11},"\u002Fother\u002Fspring-series\u002Fspringcloud\u002Fspringcloud-config","SpringCloud - 配置中心",{"path":543,"title":544,"description":11},"\u002Fother\u002Fspring-series\u002Fspringcloud\u002Fspringcloud-discovery","SpringCloud - 服务注册与发现",{"path":546,"title":547,"description":11},"\u002Fother\u002Fspring-series\u002Fspringcloud\u002Fspringcloud-feign","SpringCloud - 服务调用",{"path":549,"title":550,"description":11},"\u002Fother\u002Fspring-series\u002Fspringcloud\u002Fspringcloud-gateway","SpringCloud - 服务网关",{"path":552,"title":553,"description":11},"\u002Fother\u002Fspring-series\u002Fspringcloud\u002Fspringcloud-introduction","SpringCloud - 微服务概述",{"path":555,"title":556,"description":11},"\u002Fother\u002Fspring-series\u002Fspringcloud\u002Fspringcloud-sentinel","SpringCloud - 服务保护",{"path":558,"title":559,"description":11},"\u002Fother\u002Fspring-series\u002Fspringmvc\u002Fspringmvc-databind","SpringMVC - 数据绑定与转换",{"path":561,"title":562,"description":11},"\u002Fother\u002Fspring-series\u002Fspringmvc\u002Fspringmvc-exception","SpringMVC - 异常处理",{"path":564,"title":565,"description":11},"\u002Fother\u002Fspring-series\u002Fspringmvc\u002Fspringmvc-interceptor","SpringMVC - 拦截器",{"path":567,"title":568,"description":11},"\u002Fother\u002Fspring-series\u002Fspringmvc\u002Fspringmvc-introduction","SpringMVC - 简介与环境搭建",{"path":570,"title":571,"description":11},"\u002Fother\u002Fspring-series\u002Fspringmvc\u002Fspringmvc-request","SpringMVC - 请求处理",{"path":573,"title":574,"description":11},"\u002Fother\u002Fspring-series\u002Fspringmvc\u002Fspringmvc-response","SpringMVC - 响应处理",{"path":576,"title":577,"description":578},"\u002Fproject\u002Frocket-leaf\u002Farchitecture","项目架构","Rocket-Leaf 的目录结构、模块划分、数据流向，以及各层之间的依赖关系。",{"path":580,"title":581,"description":582},"\u002Fproject\u002Frocket-leaf\u002Fbackend-layers","后端分层设计","Rocket-Leaf 的 model \u002F rocketmq \u002F service 三层结构，以及服务之间的依赖关系与设计取舍。",{"path":584,"title":585,"description":586},"\u002Fproject\u002Frocket-leaf\u002Fclient-manager","RocketMQ 客户端管理器","AdminClientManager 的多客户端池、默认连接懒加载、自动重连重试的设计与实现。",{"path":588,"title":589,"description":590},"\u002Fproject\u002Frocket-leaf\u002Fencryption","连接信息加密存储","AES-256-GCM + SHA-256 字段级派生密钥的实现，以及如何在不破坏兼容性的前提下为历史明文数据做透明迁移。",{"path":592,"title":593,"description":594},"\u002Fproject\u002Frocket-leaf\u002Ffrontend","前端结构与类型绑定","React + Vite 目录组织、自动生成的 Wails 绑定、api 薄封装与自定义 hooks 的职责划分。",{"path":596,"title":597,"description":598},"\u002Fproject\u002Frocket-leaf","项目简介","Rocket-Leaf 是一款基于 Wails v3 构建的跨平台 RocketMQ 桌面管理客户端，Go 后端 + React 前端。本文档系列拆解它的架构与关键实现。",{"path":600,"title":601,"description":602},"\u002Fproject\u002Frocket-leaf\u002Fwails-v3","Wails v3 入门","Wails v3 的核心概念、Service 绑定机制，以及 Rocket-Leaf 是如何用它把 Go 后端和 React 前端打通的。",{"path":604,"title":605,"description":11},"\u002Ftutorials\u002Fcloud\u002Fdocker\u002Fdocker-basic","Docker - 入门基础",{"path":607,"title":608,"description":609},"\u002Ftutorials\u002Fcloud\u002Fdocker\u002Fdocker-compose","Docker - Compose","在部署应用时，常常使用到不止一个容器，那么在部署容器的时候就需要一个一个进行部署，这样的部署过程也相对来说比较繁琐复杂，也容易出问题，那么有没有一种更为简单的方法呢？",{"path":611,"title":612,"description":613},"\u002Ftutorials\u002Fcloud\u002Fdocker\u002Fdocker-container-connection","Docker - 容器互联","在上一个章节中我们学习了 Docker 容器的端口映射，可以将 Docker 容器和本地以及网络中的端口进行连接起来。",{"path":615,"title":616,"description":11},"\u002Ftutorials\u002Fcloud\u002Fdocker\u002Fdocker-dockerfile","Docker - Dockerfile",{"path":618,"title":619,"description":11},"\u002Ftutorials\u002Fcloud\u002Fdocker\u002Fdocker-helloworld","Docker - HelloWorld",{"path":621,"title":622,"description":11},"\u002Ftutorials\u002Fcloud\u002Fdocker\u002Fdocker-install","Docker - 安装",{"path":624,"title":625,"description":11},"\u002Ftutorials\u002Fcloud\u002Fdocker\u002Fdocker-introduce","Docker - 简介",{"path":627,"title":628,"description":11},"\u002Ftutorials\u002Fcloud\u002Fdocker\u002Fdocker-object","Docker - 镜像、容器、仓库",{"path":630,"title":631,"description":632},"\u002Ftutorials\u002Fcloud\u002Fdocker\u002Fdocker-warehouse","Docker - 仓库管理","仓库是集中存放资源的地方，代码仓库是存放代码的，那么Docker 中的仓库就是存放 Docker 镜像的。",{"path":634,"title":635,"description":636},"\u002Ftutorials\u002Fcloud\u002Fdocker\u002Fdocker-web-containers","Docker - WEB应用实例","在之前的章节中，仅对普通容器进行了演示，但在实际中常常使用到 Docker 容器中的 WEB 应用程序。",{"path":638,"title":639,"description":11},"\u002Ftutorials\u002Fcloud\u002Fkubernetes\u002Fk8s-config","Kubernetes - ConfigMap 与 Secret",{"path":641,"title":642,"description":11},"\u002Ftutorials\u002Fcloud\u002Fkubernetes\u002Fk8s-helm","Kubernetes - Helm 包管理",{"path":644,"title":645,"description":11},"\u002Ftutorials\u002Fcloud\u002Fkubernetes\u002Fk8s-install","Kubernetes - 集群安装",{"path":647,"title":648,"description":11},"\u002Ftutorials\u002Fcloud\u002Fkubernetes\u002Fk8s-introduction","Kubernetes - 简介与架构",{"path":650,"title":651,"description":11},"\u002Ftutorials\u002Fcloud\u002Fkubernetes\u002Fk8s-kubectl","Kubernetes - kubectl 命令行工具",{"path":653,"title":654,"description":11},"\u002Ftutorials\u002Fcloud\u002Fkubernetes\u002Fk8s-monitoring","Kubernetes - 监控与日志",{"path":656,"title":657,"description":11},"\u002Ftutorials\u002Fcloud\u002Fkubernetes\u002Fk8s-network-security","Kubernetes - 网络与安全",{"path":659,"title":660,"description":11},"\u002Ftutorials\u002Fcloud\u002Fkubernetes\u002Fk8s-service","Kubernetes - Service 与 Ingress",{"path":662,"title":663,"description":11},"\u002Ftutorials\u002Fcloud\u002Fkubernetes\u002Fk8s-storage","Kubernetes - 持久化存储",{"path":665,"title":666,"description":11},"\u002Ftutorials\u002Fcloud\u002Fkubernetes\u002Fk8s-workload","Kubernetes - 工作负载资源",{"path":668,"title":669,"description":11},"\u002Ftutorials\u002Fcloud\u002Flinux\u002Flinux-bash","Linux - Bash 基础语法",{"path":671,"title":672,"description":11},"\u002Ftutorials\u002Fcloud\u002Flinux\u002Flinux-file-directory","Linux - 文件与目录操作",{"path":674,"title":675,"description":11},"\u002Ftutorials\u002Fcloud\u002Flinux\u002Flinux-network","Linux - 网络配置",{"path":677,"title":678,"description":11},"\u002Ftutorials\u002Fcloud\u002Flinux\u002Flinux-package","Linux - 软件包管理",{"path":680,"title":681,"description":11},"\u002Ftutorials\u002Fcloud\u002Flinux\u002Flinux-process","Linux - 进程管理",{"path":683,"title":684,"description":11},"\u002Ftutorials\u002Fcloud\u002Flinux\u002Flinux-scripts","Linux - 常用脚本示例",{"path":686,"title":687,"description":11},"\u002Ftutorials\u002Fcloud\u002Flinux\u002Flinux-service","Linux - 服务管理",{"path":689,"title":690,"description":11},"\u002Ftutorials\u002Fcloud\u002Flinux\u002Flinux-user-permission","Linux - 用户与权限管理",{"path":692,"title":693,"description":11},"\u002Ftutorials\u002Fcloud\u002Fnginx\u002Fnginx-https","Nginx - HTTPS 配置",{"path":695,"title":696,"description":11},"\u002Ftutorials\u002Fcloud\u002Fnginx\u002Fnginx-install","Nginx - 安装与配置",{"path":698,"title":699,"description":11},"\u002Ftutorials\u002Fcloud\u002Fnginx\u002Fnginx-loadbalance","Nginx - 负载均衡",{"path":701,"title":702,"description":11},"\u002Ftutorials\u002Fcloud\u002Fnginx\u002Fnginx-optimization","Nginx - 性能优化",{"path":704,"title":705,"description":11},"\u002Ftutorials\u002Fcloud\u002Fnginx\u002Fnginx-proxy","Nginx - 反向代理",{"path":707,"title":708,"description":11},"\u002Ftutorials\u002Fcloud\u002Fnginx\u002Fnginx-static","Nginx - 静态资源服务",{"path":710,"title":711,"description":11},"\u002Ftutorials\u002Fcloud\u002Fnginx\u002Fnginx-vhost","Nginx - 虚拟主机配置",{"path":713,"title":714,"description":715},"\u002Ftutorials\u002Fdatabase\u002Fmysql\u002Fmysql-architecture","MySQL 高可用架构","主从复制、读写分离、分库分表。",{"path":717,"title":718,"description":719},"\u002Ftutorials\u002Fdatabase\u002Fmysql\u002Fmysql-index","MySQL 索引","索引是帮助 MySQL 高效获取数据的有序数据结构。",{"path":721,"title":722,"description":723},"\u002Ftutorials\u002Fdatabase\u002Fmysql\u002Fmysql-lock","MySQL 锁","锁用于解决并发访问时的数据一致性问题。",{"path":725,"title":726,"description":727},"\u002Ftutorials\u002Fdatabase\u002Fmysql\u002Fmysql-optimize","MySQL 性能优化","SQL 优化是后端开发必备技能。",{"path":729,"title":730,"description":731},"\u002Ftutorials\u002Fdatabase\u002Fmysql\u002Fmysql-transaction","MySQL 事务","事务是一组不可分割的操作，要么全部成功，要么全部失败。",{"path":733,"title":734,"description":735},"\u002Ftutorials\u002Fdatabase\u002Fmysql\u002Fsql-advanced","SQL 进阶","多表查询、子查询、函数、视图、存储过程。",{"path":737,"title":738,"description":739},"\u002Ftutorials\u002Fdatabase\u002Fmysql\u002Fsql-basic","SQL 基础","SQL（Structured Query Language）是操作关系型数据库的标准语言。",{"path":741,"title":742,"description":743},"\u002Ftutorials\u002Fdatabase\u002Fredis\u002Fredis-advanced","Redis 进阶功能","事务、发布订阅、Lua 脚本、Pipeline。",{"path":745,"title":746,"description":747},"\u002Ftutorials\u002Fdatabase\u002Fredis\u002Fredis-basic","Redis 基础","Redis 安装配置与基本命令。",{"path":749,"title":750,"description":751},"\u002Ftutorials\u002Fdatabase\u002Fredis\u002Fredis-cluster","Redis 高可用","主从复制、哨兵、Cluster 集群。",{"path":753,"title":754,"description":755},"\u002Ftutorials\u002Fdatabase\u002Fredis\u002Fredis-datatype","Redis 数据类型","Redis 5 种基本数据类型 + 4 种特殊类型。",{"path":757,"title":758,"description":759},"\u002Ftutorials\u002Fdatabase\u002Fredis\u002Fredis-optimize","Redis 性能优化","内存优化、缓存问题、最佳实践。",{"path":761,"title":762,"description":763},"\u002Ftutorials\u002Fdatabase\u002Fredis\u002Fredis-persistence","Redis 持久化","Redis 提供 RDB 和 AOF 两种持久化方式。",{"path":765,"title":766,"description":767},"\u002Ftutorials\u002Fdatabase\u002Fredis\u002Fredis-principle","Redis 底层原理","数据结构、线程模型、网络模型。",{"path":769,"title":770,"description":771},"\u002Ftutorials\u002Fdev-idea\u002Fdesign-patterns\u002Fbehaiver-patterns\u002Fobserver-pattern","观察者模式","观察者模式属于行为型模式，定义了对象之间的一对多的依赖关系，在这种模式中，当一个对象的状态发生变化时，所有依赖于它的对象都会得到通知，并且执行相关操作。观察者模式又被成为“发布—订阅模式”，即发布者发生改变后，会通知所有订阅者。",{"path":773,"title":774,"description":11},"\u002Ftutorials\u002Fdev-idea\u002Fdesign-patterns\u002Fcreate-patterns\u002Ffactory-pattern","工厂模式",{"path":776,"title":777,"description":778},"\u002Ftutorials\u002Fdev-idea\u002Fdesign-patterns\u002Fcreate-patterns\u002Fsingleton-pattern","单例模式","单例模式是最常用的设计模式之一，他可以保证在整个应用中，某个类只存在一个实例化对象，即全局使用到该类的只有一个对象，这种模式在需要限制某些类的实例数量时非常有用，通常全局只需要一个该对象即可，如一些配置文件映射对象、数据库连接对象等。",{"path":780,"title":781,"description":782},"\u002Ftutorials\u002Fdev-idea\u002Fdesign-patterns\u002Fstructural-patterns\u002Fadapter-pattern","适配器模式","适配器模式是一种结构型模式，可以将一个类的接口转换成客户端所期望的另一种接口，适配器模式可以帮助开发人员在不修改现有代码的情况下，将不兼容的类组合在一起。",{"path":784,"title":785,"description":786},"\u002Ftutorials\u002Fdev-tools\u002Fgit\u002Fgit-basic-operations","Git 创建版本库","在 Git 上创建版本库有两种方式，一种是直接拷贝远程 Git 仓库到本地，另外一种是我们自己创建本地的版本库。",{"path":788,"title":789,"description":11},"\u002Ftutorials\u002Fdev-tools\u002Fgit\u002Fgit-branch-manage","Git 分支管理",{"path":791,"title":792,"description":11},"\u002Ftutorials\u002Fdev-tools\u002Fgit\u002Fgit-content-operations","Git 仓库内容操作",{"path":794,"title":795,"description":11},"\u002Ftutorials\u002Fdev-tools\u002Fgit\u002Fgit-introduce-install","Git 介绍和安装",{"path":797,"title":798,"description":11},"\u002Ftutorials\u002Fdev-tools\u002Fgit\u002Fgit-remote-manage","Git 远程管理",{"path":800,"title":801,"description":11},"\u002Ftutorials\u002Fdev-tools\u002Fgit\u002Fgit-workspace-index-repo","Git 工作原理",{"path":803,"title":804,"description":11},"\u002Ftutorials\u002Fdev-tools\u002Fhomebrew","HomeBrew 教程",{"path":806,"title":807,"description":11},"\u002Ftutorials\u002Fdev-tools\u002Fidea\u002Fshortcuts","快捷键",{"path":809,"title":810,"description":11},"\u002Ftutorials\u002Fdev-tools\u002Fmaven\u002Fintroduce-install-config","Maven - 介绍、安装、配置",{"path":812,"title":813,"description":11},"\u002Ftutorials\u002Ffront-end\u002Fvue3\u002Fbasic-knowledge","2. 基础知识",{"path":815,"title":816,"description":817},"\u002Ftutorials\u002Ffront-end\u002Fvue3\u002Fcomponent-communication","9. 组件通信","在前面的章节内，介绍了 Vue 中最核心的内容——组件的介绍和使用，和 Java 等编程语言相反，组件并不近似于这些变成语言中的类，类可以通过类或者其实例化的对象来相互交互，但 Vue 组件之间的作用域是相互独立的，这就意味着不同组件之间的数据无法相互引用。",{"path":819,"title":820,"description":821},"\u002Ftutorials\u002Ffront-end\u002Fvue3\u002Fcomputed","4. 计算属性","虽然直接在模板中使用表达式方便，但是如果在模板中添加很多逻辑，会让模板变的臃肿且难维护，耦合度较高。有没有一种简单的方式来实现呢？答案是有的。",{"path":823,"title":824,"description":11},"\u002Ftutorials\u002Ffront-end\u002Fvue3\u002Fcreate-vue-project","1. 环境搭建及安装",{"path":826,"title":827,"description":828},"\u002Ftutorials\u002Ffront-end\u002Fvue3\u002Flife-cycle","6. 生命周期","生命周期是指组件从创建、挂载、更新到销毁的整个过程中所经历的一系列阶段。在 Vue 中，每个组件都有自己的生命周期，可以通过生命周期钩子函数来监听和处理组件在不同阶段的行为和状态。",{"path":830,"title":831,"description":11},"\u002Ftutorials\u002Ffront-end\u002Fvue3\u002Fother-api","10. 其他 API",{"path":833,"title":834,"description":11},"\u002Ftutorials\u002Ffront-end\u002Fvue3\u002Fpinia","8. Pinia",{"path":836,"title":837,"description":11},"\u002Ftutorials\u002Ffront-end\u002Fvue3\u002Frouter","7. 路由",{"path":839,"title":840,"description":11},"\u002Ftutorials\u002Ffront-end\u002Fvue3\u002Ftemplate-grammar","3. 指令及模板语法",{"path":842,"title":843,"description":11},"\u002Ftutorials\u002Ffront-end\u002Fvue3\u002Fvue3-new-component","11. Vue3 新组件",{"path":845,"title":846,"description":847},"\u002Ftutorials\u002Ffront-end\u002Fvue3\u002Fwatch","5. 监视","Watch 是 Vue 提供的一个用于监视响应式数据变化并执行相应操作的 API，能够对响应式数据的变化做出一些操作的功能。Vue3 中的 Watch 支持多种用法，包括监视响应式对象、ref 对象、数组、函数等。",{"path":849,"title":850,"description":11},"\u002Ftutorials\u002Fmq\u002Fkafka\u002Fkafka-introduction","Kafka 简介与安装",{"path":852,"title":853,"description":11},"\u002Ftutorials\u002Fmq\u002Fkafka\u002Fkafka-producer-consumer","Kafka 生产者与消费者",{"path":855,"title":856,"description":857},"\u002Ftutorials\u002Fmq\u002Fkafka\u002Fkafka-springboot","Spring Boot 整合 Kafka","Spring Kafka 提供了对 Apache Kafka 的便捷集成。",{"path":859,"title":860,"description":861},"\u002Ftutorials\u002Fmq\u002Frabbitmq\u002Frabbitmq-exchange","RabbitMQ Exchange 详解","Exchange（交换机）是 RabbitMQ 的核心组件，负责接收生产者发送的消息，并根据规则将消息路由到一个或多个队列。",{"path":863,"title":864,"description":11},"\u002Ftutorials\u002Fmq\u002Frabbitmq\u002Frabbitmq-introduction","RabbitMQ 简介与安装",{"path":866,"title":867,"description":868},"\u002Ftutorials\u002Fmq\u002Frabbitmq\u002Frabbitmq-reliability","RabbitMQ 消息可靠性","消息可靠性是消息队列的核心要求，RabbitMQ 提供了多种机制来保证消息不丢失。",{"path":870,"title":871,"description":872},"\u002Ftutorials\u002Fmq\u002Frabbitmq\u002Frabbitmq-springboot","Spring Boot 整合 RabbitMQ","Spring AMQP 提供了对 RabbitMQ 的便捷集成，大大简化了开发工作。",{"path":874,"title":875,"description":11},"\u002Ftutorials\u002Fmq\u002Frocketmq\u002Frocketmq-client","RocketMQ 客户端使用",{"path":877,"title":878,"description":11},"\u002Ftutorials\u002Fmq\u002Frocketmq\u002Frocketmq-concepts","RocketMQ 核心概念",{"path":880,"title":881,"description":11},"\u002Ftutorials\u002Fmq\u002Frocketmq\u002Frocketmq-installation","RocketMQ 安装部署",{"path":883,"title":884,"description":885},"\u002Ftutorials\u002Fmq\u002Frocketmq\u002Frocketmq-message-type","RocketMQ 消息类型","RocketMQ 支持多种消息类型，满足不同业务场景需求。",{"id":887,"title":188,"body":888,"description":189,"extension":5325,"meta":5326,"navigation":950,"path":187,"seo":5327,"stem":5328,"__hash__":5329},"docs\u002Fgolang\u002Fdistributed\u002Fmicroservice.md",{"type":889,"value":890,"toc":5303},"minimark",[891,894,898,903,1564,1567,2257,2260,2263,2461,2464,2753,2756,3383,3386,3389,3993,3997,4371,4374,4377,4521,4524,4873,4876,4880,5299],[892,893,189],"p",{},[895,896,897],"h2",{"id":897},"服务发现",[899,900,902],"h3",{"id":901},"consul","Consul",[904,905,909],"pre",{"className":906,"code":907,"language":908,"meta":11,"style":11},"language-go shiki shiki-themes github-light github-light github-dark","import (\n \"github.com\u002Fhashicorp\u002Fconsul\u002Fapi\"\n)\n\n\u002F\u002F 注册服务\nfunc RegisterService(address, name, id string, port int) error {\n config := api.DefaultConfig()\n config.Address = address\n \n client, err := api.NewClient(config)\n if err != nil {\n return err\n }\n \n registration := &api.AgentServiceRegistration{\n ID: id,\n Name: name,\n Port: port,\n Address: \"127.0.0.1\",\n Check: &api.AgentServiceCheck{\n HTTP: fmt.Sprintf(\"http:\u002F\u002F127.0.0.1:%d\u002Fhealth\", port),\n Timeout: \"5s\",\n Interval: \"10s\",\n DeregisterCriticalServiceAfter: \"30s\",\n },\n }\n \n return client.Agent().ServiceRegister(registration)\n}\n\n\u002F\u002F 发现服务\nfunc DiscoverService(address, name string) ([]*api.ServiceEntry, error) {\n config := api.DefaultConfig()\n config.Address = address\n \n client, err := api.NewClient(config)\n if err != nil {\n return nil, err\n }\n \n services, _, err := client.Health().Service(name, \"\", true, nil)\n return services, err\n}\n\n\u002F\u002F 注销服务\nfunc DeregisterService(address, id string) error {\n config := api.DefaultConfig()\n config.Address = address\n \n client, err := api.NewClient(config)\n if err != nil {\n return err\n }\n \n return client.Agent().ServiceDeregister(id)\n}\n","go",[910,911,912,925,939,945,952,959,1006,1024,1036,1042,1058,1076,1085,1091,1096,1119,1125,1131,1137,1149,1167,1190,1201,1212,1223,1229,1234,1239,1260,1266,1271,1277,1315,1328,1337,1342,1355,1368,1378,1383,1388,1424,1432,1437,1442,1448,1472,1485,1494,1499,1512,1525,1532,1537,1542,1559],"code",{"__ignoreMap":11},[913,914,917,921],"span",{"class":915,"line":916},"line",1,[913,918,920],{"class":919},"s8jYJ","import",[913,922,924],{"class":923},"sxrX7"," (\n",[913,926,928,932,936],{"class":915,"line":927},2,[913,929,931],{"class":930},"sIIMD"," \"",[913,933,935],{"class":934},"snPdu","github.com\u002Fhashicorp\u002Fconsul\u002Fapi",[913,937,938],{"class":930},"\"\n",[913,940,942],{"class":915,"line":941},3,[913,943,944],{"class":923},")\n",[913,946,948],{"class":915,"line":947},4,[913,949,951],{"emptyLinePlaceholder":950},true,"\n",[913,953,955],{"class":915,"line":954},5,[913,956,958],{"class":957},"sCsY4","\u002F\u002F 注册服务\n",[913,960,962,965,968,971,975,978,981,983,986,989,991,994,997,1000,1003],{"class":915,"line":961},6,[913,963,964],{"class":919},"func",[913,966,967],{"class":934}," RegisterService",[913,969,970],{"class":923},"(",[913,972,974],{"class":973},"sP4rz","address",[913,976,977],{"class":923},", ",[913,979,980],{"class":973},"name",[913,982,977],{"class":923},[913,984,985],{"class":973},"id",[913,987,988],{"class":919}," string",[913,990,977],{"class":923},[913,992,993],{"class":973},"port",[913,995,996],{"class":919}," int",[913,998,999],{"class":923},") ",[913,1001,1002],{"class":919},"error",[913,1004,1005],{"class":923}," {\n",[913,1007,1009,1012,1015,1018,1021],{"class":915,"line":1008},7,[913,1010,1011],{"class":923}," config ",[913,1013,1014],{"class":919},":=",[913,1016,1017],{"class":923}," api.",[913,1019,1020],{"class":934},"DefaultConfig",[913,1022,1023],{"class":923},"()\n",[913,1025,1027,1030,1033],{"class":915,"line":1026},8,[913,1028,1029],{"class":923}," config.Address ",[913,1031,1032],{"class":919},"=",[913,1034,1035],{"class":923}," address\n",[913,1037,1039],{"class":915,"line":1038},9,[913,1040,1041],{"class":923}," \n",[913,1043,1045,1048,1050,1052,1055],{"class":915,"line":1044},10,[913,1046,1047],{"class":923}," client, err ",[913,1049,1014],{"class":919},[913,1051,1017],{"class":923},[913,1053,1054],{"class":934},"NewClient",[913,1056,1057],{"class":923},"(config)\n",[913,1059,1061,1064,1067,1070,1074],{"class":915,"line":1060},11,[913,1062,1063],{"class":919}," if",[913,1065,1066],{"class":923}," err ",[913,1068,1069],{"class":919},"!=",[913,1071,1073],{"class":1072},"sBjJW"," nil",[913,1075,1005],{"class":923},[913,1077,1079,1082],{"class":915,"line":1078},12,[913,1080,1081],{"class":919}," return",[913,1083,1084],{"class":923}," err\n",[913,1086,1088],{"class":915,"line":1087},13,[913,1089,1090],{"class":923}," }\n",[913,1092,1094],{"class":915,"line":1093},14,[913,1095,1041],{"class":923},[913,1097,1099,1102,1104,1107,1110,1113,1116],{"class":915,"line":1098},15,[913,1100,1101],{"class":923}," registration ",[913,1103,1014],{"class":919},[913,1105,1106],{"class":919}," &",[913,1108,1109],{"class":934},"api",[913,1111,1112],{"class":923},".",[913,1114,1115],{"class":934},"AgentServiceRegistration",[913,1117,1118],{"class":923},"{\n",[913,1120,1122],{"class":915,"line":1121},16,[913,1123,1124],{"class":923}," ID: id,\n",[913,1126,1128],{"class":915,"line":1127},17,[913,1129,1130],{"class":923}," Name: name,\n",[913,1132,1134],{"class":915,"line":1133},18,[913,1135,1136],{"class":923}," Port: port,\n",[913,1138,1140,1143,1146],{"class":915,"line":1139},19,[913,1141,1142],{"class":923}," Address: ",[913,1144,1145],{"class":930},"\"127.0.0.1\"",[913,1147,1148],{"class":923},",\n",[913,1150,1152,1155,1158,1160,1162,1165],{"class":915,"line":1151},20,[913,1153,1154],{"class":923}," Check: ",[913,1156,1157],{"class":919},"&",[913,1159,1109],{"class":934},[913,1161,1112],{"class":923},[913,1163,1164],{"class":934},"AgentServiceCheck",[913,1166,1118],{"class":923},[913,1168,1170,1173,1176,1178,1181,1184,1187],{"class":915,"line":1169},21,[913,1171,1172],{"class":923}," HTTP: fmt.",[913,1174,1175],{"class":934},"Sprintf",[913,1177,970],{"class":923},[913,1179,1180],{"class":930},"\"http:\u002F\u002F127.0.0.1:",[913,1182,1183],{"class":1072},"%d",[913,1185,1186],{"class":930},"\u002Fhealth\"",[913,1188,1189],{"class":923},", port),\n",[913,1191,1193,1196,1199],{"class":915,"line":1192},22,[913,1194,1195],{"class":923}," Timeout: ",[913,1197,1198],{"class":930},"\"5s\"",[913,1200,1148],{"class":923},[913,1202,1204,1207,1210],{"class":915,"line":1203},23,[913,1205,1206],{"class":923}," Interval: ",[913,1208,1209],{"class":930},"\"10s\"",[913,1211,1148],{"class":923},[913,1213,1215,1218,1221],{"class":915,"line":1214},24,[913,1216,1217],{"class":923}," DeregisterCriticalServiceAfter: ",[913,1219,1220],{"class":930},"\"30s\"",[913,1222,1148],{"class":923},[913,1224,1226],{"class":915,"line":1225},25,[913,1227,1228],{"class":923}," },\n",[913,1230,1232],{"class":915,"line":1231},26,[913,1233,1090],{"class":923},[913,1235,1237],{"class":915,"line":1236},27,[913,1238,1041],{"class":923},[913,1240,1242,1245,1248,1251,1254,1257],{"class":915,"line":1241},28,[913,1243,1244],{"class":919}," return",[913,1246,1247],{"class":923}," client.",[913,1249,1250],{"class":934},"Agent",[913,1252,1253],{"class":923},"().",[913,1255,1256],{"class":934},"ServiceRegister",[913,1258,1259],{"class":923},"(registration)\n",[913,1261,1263],{"class":915,"line":1262},29,[913,1264,1265],{"class":923},"}\n",[913,1267,1269],{"class":915,"line":1268},30,[913,1270,951],{"emptyLinePlaceholder":950},[913,1272,1274],{"class":915,"line":1273},31,[913,1275,1276],{"class":957},"\u002F\u002F 发现服务\n",[913,1278,1280,1282,1285,1287,1289,1291,1293,1295,1298,1301,1303,1305,1308,1310,1312],{"class":915,"line":1279},32,[913,1281,964],{"class":919},[913,1283,1284],{"class":934}," DiscoverService",[913,1286,970],{"class":923},[913,1288,974],{"class":973},[913,1290,977],{"class":923},[913,1292,980],{"class":973},[913,1294,988],{"class":919},[913,1296,1297],{"class":923},") ([]",[913,1299,1300],{"class":919},"*",[913,1302,1109],{"class":934},[913,1304,1112],{"class":923},[913,1306,1307],{"class":934},"ServiceEntry",[913,1309,977],{"class":923},[913,1311,1002],{"class":919},[913,1313,1314],{"class":923},") {\n",[913,1316,1318,1320,1322,1324,1326],{"class":915,"line":1317},33,[913,1319,1011],{"class":923},[913,1321,1014],{"class":919},[913,1323,1017],{"class":923},[913,1325,1020],{"class":934},[913,1327,1023],{"class":923},[913,1329,1331,1333,1335],{"class":915,"line":1330},34,[913,1332,1029],{"class":923},[913,1334,1032],{"class":919},[913,1336,1035],{"class":923},[913,1338,1340],{"class":915,"line":1339},35,[913,1341,1041],{"class":923},[913,1343,1345,1347,1349,1351,1353],{"class":915,"line":1344},36,[913,1346,1047],{"class":923},[913,1348,1014],{"class":919},[913,1350,1017],{"class":923},[913,1352,1054],{"class":934},[913,1354,1057],{"class":923},[913,1356,1358,1360,1362,1364,1366],{"class":915,"line":1357},37,[913,1359,1063],{"class":919},[913,1361,1066],{"class":923},[913,1363,1069],{"class":919},[913,1365,1073],{"class":1072},[913,1367,1005],{"class":923},[913,1369,1371,1373,1375],{"class":915,"line":1370},38,[913,1372,1081],{"class":919},[913,1374,1073],{"class":1072},[913,1376,1377],{"class":923},", err\n",[913,1379,1381],{"class":915,"line":1380},39,[913,1382,1090],{"class":923},[913,1384,1386],{"class":915,"line":1385},40,[913,1387,1041],{"class":923},[913,1389,1391,1394,1396,1398,1401,1403,1406,1409,1412,1414,1417,1419,1422],{"class":915,"line":1390},41,[913,1392,1393],{"class":923}," services, _, err ",[913,1395,1014],{"class":919},[913,1397,1247],{"class":923},[913,1399,1400],{"class":934},"Health",[913,1402,1253],{"class":923},[913,1404,1405],{"class":934},"Service",[913,1407,1408],{"class":923},"(name, ",[913,1410,1411],{"class":930},"\"\"",[913,1413,977],{"class":923},[913,1415,1416],{"class":1072},"true",[913,1418,977],{"class":923},[913,1420,1421],{"class":1072},"nil",[913,1423,944],{"class":923},[913,1425,1427,1429],{"class":915,"line":1426},42,[913,1428,1244],{"class":919},[913,1430,1431],{"class":923}," services, err\n",[913,1433,1435],{"class":915,"line":1434},43,[913,1436,1265],{"class":923},[913,1438,1440],{"class":915,"line":1439},44,[913,1441,951],{"emptyLinePlaceholder":950},[913,1443,1445],{"class":915,"line":1444},45,[913,1446,1447],{"class":957},"\u002F\u002F 注销服务\n",[913,1449,1451,1453,1456,1458,1460,1462,1464,1466,1468,1470],{"class":915,"line":1450},46,[913,1452,964],{"class":919},[913,1454,1455],{"class":934}," DeregisterService",[913,1457,970],{"class":923},[913,1459,974],{"class":973},[913,1461,977],{"class":923},[913,1463,985],{"class":973},[913,1465,988],{"class":919},[913,1467,999],{"class":923},[913,1469,1002],{"class":919},[913,1471,1005],{"class":923},[913,1473,1475,1477,1479,1481,1483],{"class":915,"line":1474},47,[913,1476,1011],{"class":923},[913,1478,1014],{"class":919},[913,1480,1017],{"class":923},[913,1482,1020],{"class":934},[913,1484,1023],{"class":923},[913,1486,1488,1490,1492],{"class":915,"line":1487},48,[913,1489,1029],{"class":923},[913,1491,1032],{"class":919},[913,1493,1035],{"class":923},[913,1495,1497],{"class":915,"line":1496},49,[913,1498,1041],{"class":923},[913,1500,1502,1504,1506,1508,1510],{"class":915,"line":1501},50,[913,1503,1047],{"class":923},[913,1505,1014],{"class":919},[913,1507,1017],{"class":923},[913,1509,1054],{"class":934},[913,1511,1057],{"class":923},[913,1513,1515,1517,1519,1521,1523],{"class":915,"line":1514},51,[913,1516,1063],{"class":919},[913,1518,1066],{"class":923},[913,1520,1069],{"class":919},[913,1522,1073],{"class":1072},[913,1524,1005],{"class":923},[913,1526,1528,1530],{"class":915,"line":1527},52,[913,1529,1081],{"class":919},[913,1531,1084],{"class":923},[913,1533,1535],{"class":915,"line":1534},53,[913,1536,1090],{"class":923},[913,1538,1540],{"class":915,"line":1539},54,[913,1541,1041],{"class":923},[913,1543,1545,1547,1549,1551,1553,1556],{"class":915,"line":1544},55,[913,1546,1244],{"class":919},[913,1548,1247],{"class":923},[913,1550,1250],{"class":934},[913,1552,1253],{"class":923},[913,1554,1555],{"class":934},"ServiceDeregister",[913,1557,1558],{"class":923},"(id)\n",[913,1560,1562],{"class":915,"line":1561},56,[913,1563,1265],{"class":923},[899,1565,1566],{"id":1566},"etcd",[904,1568,1570],{"className":906,"code":1569,"language":908,"meta":11,"style":11},"import (\n \"context\"\n \"time\"\n clientv3 \"go.etcd.io\u002Fetcd\u002Fclient\u002Fv3\"\n)\n\n\u002F\u002F 注册服务\nfunc RegisterServiceEtcd(endpoints []string, serviceName, serviceAddr string) error {\n client, err := clientv3.New(clientv3.Config{\n Endpoints: endpoints,\n DialTimeout: 5 * time.Second,\n })\n if err != nil {\n return err\n }\n defer client.Close()\n \n \u002F\u002F 创建租约\n lease, err := client.Grant(context.Background(), 10)\n if err != nil {\n return err\n }\n \n \u002F\u002F 注册服务\n key := fmt.Sprintf(\"\u002Fservices\u002F%s\u002F%s\", serviceName, serviceAddr)\n _, err = client.Put(context.Background(), key, serviceAddr, clientv3.WithLease(lease.ID))\n if err != nil {\n return err\n }\n \n \u002F\u002F 保持租约\n keepAliveChan, err := client.KeepAlive(context.Background(), lease.ID)\n if err != nil {\n return err\n }\n \n go func() {\n for range keepAliveChan {\n \u002F\u002F 心跳\n }\n }()\n \n return nil\n}\n\n\u002F\u002F 发现服务\nfunc DiscoverServiceEtcd(endpoints []string, serviceName string) ([]string, error) {\n client, err := clientv3.New(clientv3.Config{\n Endpoints: endpoints,\n DialTimeout: 5 * time.Second,\n })\n if err != nil {\n return nil, err\n }\n defer client.Close()\n \n prefix := fmt.Sprintf(\"\u002Fservices\u002F%s\u002F\", serviceName)\n resp, err := client.Get(context.Background(), prefix, clientv3.WithPrefix())\n if err != nil {\n return nil, err\n }\n \n var addrs []string\n for _, kv := range resp.Kvs {\n addrs = append(addrs, string(kv.Value))\n }\n \n return addrs, nil\n}\n",[910,1571,1572,1578,1587,1595,1608,1612,1616,1620,1656,1680,1685,1699,1704,1716,1722,1726,1738,1742,1747,1773,1785,1791,1795,1799,1804,1834,1859,1871,1877,1881,1885,1890,1909,1921,1927,1931,1935,1946,1957,1962,1967,1972,1976,1983,1987,1991,1995,2026,2046,2050,2060,2064,2076,2084,2088,2098,2102,2126,2152,2165,2174,2179,2184,2196,2212,2231,2236,2241,2252],{"__ignoreMap":11},[913,1573,1574,1576],{"class":915,"line":916},[913,1575,920],{"class":919},[913,1577,924],{"class":923},[913,1579,1580,1582,1585],{"class":915,"line":927},[913,1581,931],{"class":930},[913,1583,1584],{"class":934},"context",[913,1586,938],{"class":930},[913,1588,1589,1591,1593],{"class":915,"line":941},[913,1590,931],{"class":930},[913,1592,283],{"class":934},[913,1594,938],{"class":930},[913,1596,1597,1600,1603,1606],{"class":915,"line":947},[913,1598,1599],{"class":923}," clientv3 ",[913,1601,1602],{"class":930},"\"",[913,1604,1605],{"class":934},"go.etcd.io\u002Fetcd\u002Fclient\u002Fv3",[913,1607,938],{"class":930},[913,1609,1610],{"class":915,"line":954},[913,1611,944],{"class":923},[913,1613,1614],{"class":915,"line":961},[913,1615,951],{"emptyLinePlaceholder":950},[913,1617,1618],{"class":915,"line":1008},[913,1619,958],{"class":957},[913,1621,1622,1624,1627,1629,1632,1635,1638,1640,1643,1645,1648,1650,1652,1654],{"class":915,"line":1026},[913,1623,964],{"class":919},[913,1625,1626],{"class":934}," RegisterServiceEtcd",[913,1628,970],{"class":923},[913,1630,1631],{"class":973},"endpoints",[913,1633,1634],{"class":923}," []",[913,1636,1637],{"class":919},"string",[913,1639,977],{"class":923},[913,1641,1642],{"class":973},"serviceName",[913,1644,977],{"class":923},[913,1646,1647],{"class":973},"serviceAddr",[913,1649,988],{"class":919},[913,1651,999],{"class":923},[913,1653,1002],{"class":919},[913,1655,1005],{"class":923},[913,1657,1658,1660,1662,1665,1668,1670,1673,1675,1678],{"class":915,"line":1038},[913,1659,1047],{"class":923},[913,1661,1014],{"class":919},[913,1663,1664],{"class":923}," clientv3.",[913,1666,1667],{"class":934},"New",[913,1669,970],{"class":923},[913,1671,1672],{"class":934},"clientv3",[913,1674,1112],{"class":923},[913,1676,1677],{"class":934},"Config",[913,1679,1118],{"class":923},[913,1681,1682],{"class":915,"line":1044},[913,1683,1684],{"class":923}," Endpoints: endpoints,\n",[913,1686,1687,1690,1693,1696],{"class":915,"line":1060},[913,1688,1689],{"class":923}," DialTimeout: ",[913,1691,1692],{"class":1072},"5",[913,1694,1695],{"class":919}," *",[913,1697,1698],{"class":923}," time.Second,\n",[913,1700,1701],{"class":915,"line":1078},[913,1702,1703],{"class":923}," })\n",[913,1705,1706,1708,1710,1712,1714],{"class":915,"line":1087},[913,1707,1063],{"class":919},[913,1709,1066],{"class":923},[913,1711,1069],{"class":919},[913,1713,1073],{"class":1072},[913,1715,1005],{"class":923},[913,1717,1718,1720],{"class":915,"line":1093},[913,1719,1081],{"class":919},[913,1721,1084],{"class":923},[913,1723,1724],{"class":915,"line":1098},[913,1725,1090],{"class":923},[913,1727,1728,1731,1733,1736],{"class":915,"line":1121},[913,1729,1730],{"class":919}," defer",[913,1732,1247],{"class":923},[913,1734,1735],{"class":934},"Close",[913,1737,1023],{"class":923},[913,1739,1740],{"class":915,"line":1127},[913,1741,1041],{"class":923},[913,1743,1744],{"class":915,"line":1133},[913,1745,1746],{"class":957}," \u002F\u002F 创建租约\n",[913,1748,1749,1752,1754,1756,1759,1762,1765,1768,1771],{"class":915,"line":1139},[913,1750,1751],{"class":923}," lease, err ",[913,1753,1014],{"class":919},[913,1755,1247],{"class":923},[913,1757,1758],{"class":934},"Grant",[913,1760,1761],{"class":923},"(context.",[913,1763,1764],{"class":934},"Background",[913,1766,1767],{"class":923},"(), ",[913,1769,1770],{"class":1072},"10",[913,1772,944],{"class":923},[913,1774,1775,1777,1779,1781,1783],{"class":915,"line":1151},[913,1776,1063],{"class":919},[913,1778,1066],{"class":923},[913,1780,1069],{"class":919},[913,1782,1073],{"class":1072},[913,1784,1005],{"class":923},[913,1786,1787,1789],{"class":915,"line":1169},[913,1788,1081],{"class":919},[913,1790,1084],{"class":923},[913,1792,1793],{"class":915,"line":1192},[913,1794,1090],{"class":923},[913,1796,1797],{"class":915,"line":1203},[913,1798,1041],{"class":923},[913,1800,1801],{"class":915,"line":1214},[913,1802,1803],{"class":957}," \u002F\u002F 注册服务\n",[913,1805,1806,1809,1811,1814,1816,1818,1821,1824,1827,1829,1831],{"class":915,"line":1225},[913,1807,1808],{"class":923}," key ",[913,1810,1014],{"class":919},[913,1812,1813],{"class":923}," fmt.",[913,1815,1175],{"class":934},[913,1817,970],{"class":923},[913,1819,1820],{"class":930},"\"\u002Fservices\u002F",[913,1822,1823],{"class":1072},"%s",[913,1825,1826],{"class":930},"\u002F",[913,1828,1823],{"class":1072},[913,1830,1602],{"class":930},[913,1832,1833],{"class":923},", serviceName, serviceAddr)\n",[913,1835,1836,1839,1841,1843,1846,1848,1850,1853,1856],{"class":915,"line":1231},[913,1837,1838],{"class":923}," _, err ",[913,1840,1032],{"class":919},[913,1842,1247],{"class":923},[913,1844,1845],{"class":934},"Put",[913,1847,1761],{"class":923},[913,1849,1764],{"class":934},[913,1851,1852],{"class":923},"(), key, serviceAddr, clientv3.",[913,1854,1855],{"class":934},"WithLease",[913,1857,1858],{"class":923},"(lease.ID))\n",[913,1860,1861,1863,1865,1867,1869],{"class":915,"line":1236},[913,1862,1063],{"class":919},[913,1864,1066],{"class":923},[913,1866,1069],{"class":919},[913,1868,1073],{"class":1072},[913,1870,1005],{"class":923},[913,1872,1873,1875],{"class":915,"line":1241},[913,1874,1081],{"class":919},[913,1876,1084],{"class":923},[913,1878,1879],{"class":915,"line":1262},[913,1880,1090],{"class":923},[913,1882,1883],{"class":915,"line":1268},[913,1884,1041],{"class":923},[913,1886,1887],{"class":915,"line":1273},[913,1888,1889],{"class":957}," \u002F\u002F 保持租约\n",[913,1891,1892,1895,1897,1899,1902,1904,1906],{"class":915,"line":1279},[913,1893,1894],{"class":923}," keepAliveChan, err ",[913,1896,1014],{"class":919},[913,1898,1247],{"class":923},[913,1900,1901],{"class":934},"KeepAlive",[913,1903,1761],{"class":923},[913,1905,1764],{"class":934},[913,1907,1908],{"class":923},"(), lease.ID)\n",[913,1910,1911,1913,1915,1917,1919],{"class":915,"line":1317},[913,1912,1063],{"class":919},[913,1914,1066],{"class":923},[913,1916,1069],{"class":919},[913,1918,1073],{"class":1072},[913,1920,1005],{"class":923},[913,1922,1923,1925],{"class":915,"line":1330},[913,1924,1081],{"class":919},[913,1926,1084],{"class":923},[913,1928,1929],{"class":915,"line":1339},[913,1930,1090],{"class":923},[913,1932,1933],{"class":915,"line":1344},[913,1934,1041],{"class":923},[913,1936,1937,1940,1943],{"class":915,"line":1357},[913,1938,1939],{"class":919}," go",[913,1941,1942],{"class":919}," func",[913,1944,1945],{"class":923},"() {\n",[913,1947,1948,1951,1954],{"class":915,"line":1370},[913,1949,1950],{"class":919}," for",[913,1952,1953],{"class":919}," range",[913,1955,1956],{"class":923}," keepAliveChan {\n",[913,1958,1959],{"class":915,"line":1380},[913,1960,1961],{"class":957}," \u002F\u002F 心跳\n",[913,1963,1964],{"class":915,"line":1385},[913,1965,1966],{"class":923}," }\n",[913,1968,1969],{"class":915,"line":1390},[913,1970,1971],{"class":923}," }()\n",[913,1973,1974],{"class":915,"line":1426},[913,1975,1041],{"class":923},[913,1977,1978,1980],{"class":915,"line":1434},[913,1979,1244],{"class":919},[913,1981,1982],{"class":1072}," nil\n",[913,1984,1985],{"class":915,"line":1439},[913,1986,1265],{"class":923},[913,1988,1989],{"class":915,"line":1444},[913,1990,951],{"emptyLinePlaceholder":950},[913,1992,1993],{"class":915,"line":1450},[913,1994,1276],{"class":957},[913,1996,1997,1999,2002,2004,2006,2008,2010,2012,2014,2016,2018,2020,2022,2024],{"class":915,"line":1474},[913,1998,964],{"class":919},[913,2000,2001],{"class":934}," DiscoverServiceEtcd",[913,2003,970],{"class":923},[913,2005,1631],{"class":973},[913,2007,1634],{"class":923},[913,2009,1637],{"class":919},[913,2011,977],{"class":923},[913,2013,1642],{"class":973},[913,2015,988],{"class":919},[913,2017,1297],{"class":923},[913,2019,1637],{"class":919},[913,2021,977],{"class":923},[913,2023,1002],{"class":919},[913,2025,1314],{"class":923},[913,2027,2028,2030,2032,2034,2036,2038,2040,2042,2044],{"class":915,"line":1487},[913,2029,1047],{"class":923},[913,2031,1014],{"class":919},[913,2033,1664],{"class":923},[913,2035,1667],{"class":934},[913,2037,970],{"class":923},[913,2039,1672],{"class":934},[913,2041,1112],{"class":923},[913,2043,1677],{"class":934},[913,2045,1118],{"class":923},[913,2047,2048],{"class":915,"line":1496},[913,2049,1684],{"class":923},[913,2051,2052,2054,2056,2058],{"class":915,"line":1501},[913,2053,1689],{"class":923},[913,2055,1692],{"class":1072},[913,2057,1695],{"class":919},[913,2059,1698],{"class":923},[913,2061,2062],{"class":915,"line":1514},[913,2063,1703],{"class":923},[913,2065,2066,2068,2070,2072,2074],{"class":915,"line":1527},[913,2067,1063],{"class":919},[913,2069,1066],{"class":923},[913,2071,1069],{"class":919},[913,2073,1073],{"class":1072},[913,2075,1005],{"class":923},[913,2077,2078,2080,2082],{"class":915,"line":1534},[913,2079,1081],{"class":919},[913,2081,1073],{"class":1072},[913,2083,1377],{"class":923},[913,2085,2086],{"class":915,"line":1539},[913,2087,1090],{"class":923},[913,2089,2090,2092,2094,2096],{"class":915,"line":1544},[913,2091,1730],{"class":919},[913,2093,1247],{"class":923},[913,2095,1735],{"class":934},[913,2097,1023],{"class":923},[913,2099,2100],{"class":915,"line":1561},[913,2101,1041],{"class":923},[913,2103,2105,2108,2110,2112,2114,2116,2118,2120,2123],{"class":915,"line":2104},57,[913,2106,2107],{"class":923}," prefix ",[913,2109,1014],{"class":919},[913,2111,1813],{"class":923},[913,2113,1175],{"class":934},[913,2115,970],{"class":923},[913,2117,1820],{"class":930},[913,2119,1823],{"class":1072},[913,2121,2122],{"class":930},"\u002F\"",[913,2124,2125],{"class":923},", serviceName)\n",[913,2127,2129,2132,2134,2136,2139,2141,2143,2146,2149],{"class":915,"line":2128},58,[913,2130,2131],{"class":923}," resp, err ",[913,2133,1014],{"class":919},[913,2135,1247],{"class":923},[913,2137,2138],{"class":934},"Get",[913,2140,1761],{"class":923},[913,2142,1764],{"class":934},[913,2144,2145],{"class":923},"(), prefix, clientv3.",[913,2147,2148],{"class":934},"WithPrefix",[913,2150,2151],{"class":923},"())\n",[913,2153,2155,2157,2159,2161,2163],{"class":915,"line":2154},59,[913,2156,1063],{"class":919},[913,2158,1066],{"class":923},[913,2160,1069],{"class":919},[913,2162,1073],{"class":1072},[913,2164,1005],{"class":923},[913,2166,2168,2170,2172],{"class":915,"line":2167},60,[913,2169,1081],{"class":919},[913,2171,1073],{"class":1072},[913,2173,1377],{"class":923},[913,2175,2177],{"class":915,"line":2176},61,[913,2178,1090],{"class":923},[913,2180,2182],{"class":915,"line":2181},62,[913,2183,1041],{"class":923},[913,2185,2187,2190,2193],{"class":915,"line":2186},63,[913,2188,2189],{"class":919}," var",[913,2191,2192],{"class":923}," addrs []",[913,2194,2195],{"class":919},"string\n",[913,2197,2199,2202,2205,2207,2209],{"class":915,"line":2198},64,[913,2200,2201],{"class":919}," for",[913,2203,2204],{"class":923}," _, kv ",[913,2206,1014],{"class":919},[913,2208,1953],{"class":919},[913,2210,2211],{"class":923}," resp.Kvs {\n",[913,2213,2215,2218,2220,2223,2226,2228],{"class":915,"line":2214},65,[913,2216,2217],{"class":923}," addrs ",[913,2219,1032],{"class":919},[913,2221,2222],{"class":934}," append",[913,2224,2225],{"class":923},"(addrs, ",[913,2227,1637],{"class":919},[913,2229,2230],{"class":923},"(kv.Value))\n",[913,2232,2234],{"class":915,"line":2233},66,[913,2235,1090],{"class":923},[913,2237,2239],{"class":915,"line":2238},67,[913,2240,1041],{"class":923},[913,2242,2244,2246,2249],{"class":915,"line":2243},68,[913,2245,1244],{"class":919},[913,2247,2248],{"class":923}," addrs, ",[913,2250,2251],{"class":1072},"nil\n",[913,2253,2255],{"class":915,"line":2254},69,[913,2256,1265],{"class":923},[895,2258,2259],{"id":2259},"负载均衡",[899,2261,2262],{"id":2262},"轮询",[904,2264,2266],{"className":906,"code":2265,"language":908,"meta":11,"style":11},"type RoundRobin struct {\n servers []string\n current int\n mu sync.Mutex\n}\n\nfunc NewRoundRobin(servers []string) *RoundRobin {\n return &RoundRobin{servers: servers}\n}\n\nfunc (r *RoundRobin) Next() string {\n r.mu.Lock()\n defer r.mu.Unlock()\n \n server := r.servers[r.current]\n r.current = (r.current + 1) % len(r.servers)\n return server\n}\n",[910,2267,2268,2281,2288,2296,2309,2313,2317,2342,2353,2357,2361,2387,2397,2409,2413,2423,2450,2457],{"__ignoreMap":11},[913,2269,2270,2273,2276,2279],{"class":915,"line":916},[913,2271,2272],{"class":919},"type",[913,2274,2275],{"class":934}," RoundRobin",[913,2277,2278],{"class":919}," struct",[913,2280,1005],{"class":923},[913,2282,2283,2286],{"class":915,"line":927},[913,2284,2285],{"class":923}," servers []",[913,2287,2195],{"class":919},[913,2289,2290,2293],{"class":915,"line":941},[913,2291,2292],{"class":923}," current ",[913,2294,2295],{"class":919},"int\n",[913,2297,2298,2301,2304,2306],{"class":915,"line":947},[913,2299,2300],{"class":923}," mu ",[913,2302,2303],{"class":934},"sync",[913,2305,1112],{"class":923},[913,2307,2308],{"class":934},"Mutex\n",[913,2310,2311],{"class":915,"line":954},[913,2312,1265],{"class":923},[913,2314,2315],{"class":915,"line":961},[913,2316,951],{"emptyLinePlaceholder":950},[913,2318,2319,2321,2324,2326,2329,2331,2333,2335,2337,2340],{"class":915,"line":1008},[913,2320,964],{"class":919},[913,2322,2323],{"class":934}," NewRoundRobin",[913,2325,970],{"class":923},[913,2327,2328],{"class":973},"servers",[913,2330,1634],{"class":923},[913,2332,1637],{"class":919},[913,2334,999],{"class":923},[913,2336,1300],{"class":919},[913,2338,2339],{"class":934},"RoundRobin",[913,2341,1005],{"class":923},[913,2343,2344,2346,2348,2350],{"class":915,"line":1026},[913,2345,1244],{"class":919},[913,2347,1106],{"class":919},[913,2349,2339],{"class":934},[913,2351,2352],{"class":923},"{servers: servers}\n",[913,2354,2355],{"class":915,"line":1038},[913,2356,1265],{"class":923},[913,2358,2359],{"class":915,"line":1044},[913,2360,951],{"emptyLinePlaceholder":950},[913,2362,2363,2365,2368,2371,2373,2375,2377,2380,2383,2385],{"class":915,"line":1060},[913,2364,964],{"class":919},[913,2366,2367],{"class":923}," (",[913,2369,2370],{"class":973},"r ",[913,2372,1300],{"class":919},[913,2374,2339],{"class":934},[913,2376,999],{"class":923},[913,2378,2379],{"class":934},"Next",[913,2381,2382],{"class":923},"() ",[913,2384,1637],{"class":919},[913,2386,1005],{"class":923},[913,2388,2389,2392,2395],{"class":915,"line":1078},[913,2390,2391],{"class":923}," r.mu.",[913,2393,2394],{"class":934},"Lock",[913,2396,1023],{"class":923},[913,2398,2399,2401,2404,2407],{"class":915,"line":1087},[913,2400,1730],{"class":919},[913,2402,2403],{"class":923}," r.mu.",[913,2405,2406],{"class":934},"Unlock",[913,2408,1023],{"class":923},[913,2410,2411],{"class":915,"line":1093},[913,2412,1041],{"class":923},[913,2414,2415,2418,2420],{"class":915,"line":1098},[913,2416,2417],{"class":923}," server ",[913,2419,1014],{"class":919},[913,2421,2422],{"class":923}," r.servers[r.current]\n",[913,2424,2425,2428,2430,2433,2436,2439,2441,2444,2447],{"class":915,"line":1121},[913,2426,2427],{"class":923}," r.current ",[913,2429,1032],{"class":919},[913,2431,2432],{"class":923}," (r.current ",[913,2434,2435],{"class":919},"+",[913,2437,2438],{"class":1072}," 1",[913,2440,999],{"class":923},[913,2442,2443],{"class":919},"%",[913,2445,2446],{"class":934}," len",[913,2448,2449],{"class":923},"(r.servers)\n",[913,2451,2452,2454],{"class":915,"line":1127},[913,2453,1244],{"class":919},[913,2455,2456],{"class":923}," server\n",[913,2458,2459],{"class":915,"line":1133},[913,2460,1265],{"class":923},[899,2462,2463],{"id":2463},"加权轮询",[904,2465,2467],{"className":906,"code":2466,"language":908,"meta":11,"style":11},"type WeightedServer struct {\n Address string\n Weight int\n Current int\n}\n\ntype WeightedRoundRobin struct {\n servers []*WeightedServer\n mu sync.Mutex\n}\n\nfunc (w *WeightedRoundRobin) Next() string {\n w.mu.Lock()\n defer w.mu.Unlock()\n \n totalWeight := 0\n var best *WeightedServer\n \n for _, server := range w.servers {\n server.Current += server.Weight\n totalWeight += server.Weight\n \n if best == nil || server.Current > best.Current {\n best = server\n }\n }\n \n if best == nil {\n return \"\"\n }\n \n best.Current -= totalWeight\n return best.Address\n}\n",[910,2468,2469,2480,2487,2494,2501,2505,2509,2520,2529,2539,2543,2547,2571,2580,2591,2595,2605,2616,2620,2634,2645,2654,2659,2683,2692,2696,2700,2704,2716,2723,2727,2731,2742,2749],{"__ignoreMap":11},[913,2470,2471,2473,2476,2478],{"class":915,"line":916},[913,2472,2272],{"class":919},[913,2474,2475],{"class":934}," WeightedServer",[913,2477,2278],{"class":919},[913,2479,1005],{"class":923},[913,2481,2482,2485],{"class":915,"line":927},[913,2483,2484],{"class":923}," Address ",[913,2486,2195],{"class":919},[913,2488,2489,2492],{"class":915,"line":941},[913,2490,2491],{"class":923}," Weight ",[913,2493,2295],{"class":919},[913,2495,2496,2499],{"class":915,"line":947},[913,2497,2498],{"class":923}," Current ",[913,2500,2295],{"class":919},[913,2502,2503],{"class":915,"line":954},[913,2504,1265],{"class":923},[913,2506,2507],{"class":915,"line":961},[913,2508,951],{"emptyLinePlaceholder":950},[913,2510,2511,2513,2516,2518],{"class":915,"line":1008},[913,2512,2272],{"class":919},[913,2514,2515],{"class":934}," WeightedRoundRobin",[913,2517,2278],{"class":919},[913,2519,1005],{"class":923},[913,2521,2522,2524,2526],{"class":915,"line":1026},[913,2523,2285],{"class":923},[913,2525,1300],{"class":919},[913,2527,2528],{"class":934},"WeightedServer\n",[913,2530,2531,2533,2535,2537],{"class":915,"line":1038},[913,2532,2300],{"class":923},[913,2534,2303],{"class":934},[913,2536,1112],{"class":923},[913,2538,2308],{"class":934},[913,2540,2541],{"class":915,"line":1044},[913,2542,1265],{"class":923},[913,2544,2545],{"class":915,"line":1060},[913,2546,951],{"emptyLinePlaceholder":950},[913,2548,2549,2551,2553,2556,2558,2561,2563,2565,2567,2569],{"class":915,"line":1078},[913,2550,964],{"class":919},[913,2552,2367],{"class":923},[913,2554,2555],{"class":973},"w ",[913,2557,1300],{"class":919},[913,2559,2560],{"class":934},"WeightedRoundRobin",[913,2562,999],{"class":923},[913,2564,2379],{"class":934},[913,2566,2382],{"class":923},[913,2568,1637],{"class":919},[913,2570,1005],{"class":923},[913,2572,2573,2576,2578],{"class":915,"line":1087},[913,2574,2575],{"class":923}," w.mu.",[913,2577,2394],{"class":934},[913,2579,1023],{"class":923},[913,2581,2582,2584,2587,2589],{"class":915,"line":1093},[913,2583,1730],{"class":919},[913,2585,2586],{"class":923}," w.mu.",[913,2588,2406],{"class":934},[913,2590,1023],{"class":923},[913,2592,2593],{"class":915,"line":1098},[913,2594,1041],{"class":923},[913,2596,2597,2600,2602],{"class":915,"line":1121},[913,2598,2599],{"class":923}," totalWeight ",[913,2601,1014],{"class":919},[913,2603,2604],{"class":1072}," 0\n",[913,2606,2607,2609,2612,2614],{"class":915,"line":1127},[913,2608,2189],{"class":919},[913,2610,2611],{"class":923}," best ",[913,2613,1300],{"class":919},[913,2615,2528],{"class":934},[913,2617,2618],{"class":915,"line":1133},[913,2619,1041],{"class":923},[913,2621,2622,2624,2627,2629,2631],{"class":915,"line":1139},[913,2623,2201],{"class":919},[913,2625,2626],{"class":923}," _, server ",[913,2628,1014],{"class":919},[913,2630,1953],{"class":919},[913,2632,2633],{"class":923}," w.servers {\n",[913,2635,2636,2639,2642],{"class":915,"line":1151},[913,2637,2638],{"class":923}," server.Current ",[913,2640,2641],{"class":919},"+=",[913,2643,2644],{"class":923}," server.Weight\n",[913,2646,2647,2650,2652],{"class":915,"line":1169},[913,2648,2649],{"class":923}," totalWeight ",[913,2651,2641],{"class":919},[913,2653,2644],{"class":923},[913,2655,2656],{"class":915,"line":1192},[913,2657,2658],{"class":923}," \n",[913,2660,2661,2664,2666,2669,2671,2674,2677,2680],{"class":915,"line":1203},[913,2662,2663],{"class":919}," if",[913,2665,2611],{"class":923},[913,2667,2668],{"class":919},"==",[913,2670,1073],{"class":1072},[913,2672,2673],{"class":919}," ||",[913,2675,2676],{"class":923}," server.Current ",[913,2678,2679],{"class":919},">",[913,2681,2682],{"class":923}," best.Current {\n",[913,2684,2685,2688,2690],{"class":915,"line":1214},[913,2686,2687],{"class":923}," best ",[913,2689,1032],{"class":919},[913,2691,2456],{"class":923},[913,2693,2694],{"class":915,"line":1225},[913,2695,1966],{"class":923},[913,2697,2698],{"class":915,"line":1231},[913,2699,1090],{"class":923},[913,2701,2702],{"class":915,"line":1236},[913,2703,1041],{"class":923},[913,2705,2706,2708,2710,2712,2714],{"class":915,"line":1241},[913,2707,1063],{"class":919},[913,2709,2611],{"class":923},[913,2711,2668],{"class":919},[913,2713,1073],{"class":1072},[913,2715,1005],{"class":923},[913,2717,2718,2720],{"class":915,"line":1262},[913,2719,1081],{"class":919},[913,2721,2722],{"class":930}," \"\"\n",[913,2724,2725],{"class":915,"line":1268},[913,2726,1090],{"class":923},[913,2728,2729],{"class":915,"line":1273},[913,2730,1041],{"class":923},[913,2732,2733,2736,2739],{"class":915,"line":1279},[913,2734,2735],{"class":923}," best.Current ",[913,2737,2738],{"class":919},"-=",[913,2740,2741],{"class":923}," totalWeight\n",[913,2743,2744,2746],{"class":915,"line":1317},[913,2745,1244],{"class":919},[913,2747,2748],{"class":923}," best.Address\n",[913,2750,2751],{"class":915,"line":1330},[913,2752,1265],{"class":923},[899,2754,2755],{"id":2755},"一致性哈希",[904,2757,2759],{"className":906,"code":2758,"language":908,"meta":11,"style":11},"import (\n \"hash\u002Fcrc32\"\n \"sort\"\n \"sync\"\n)\n\ntype ConsistentHash struct {\n circle map[uint32]string\n sortedHashes []uint32\n replicas int\n mu sync.RWMutex\n}\n\nfunc NewConsistentHash(replicas int) *ConsistentHash {\n return &ConsistentHash{\n circle: make(map[uint32]string),\n replicas: replicas,\n }\n}\n\nfunc (c *ConsistentHash) hash(key string) uint32 {\n return crc32.ChecksumIEEE([]byte(key))\n}\n\nfunc (c *ConsistentHash) Add(server string) {\n c.mu.Lock()\n defer c.mu.Unlock()\n \n for i := 0; i \u003C c.replicas; i++ {\n hash := c.hash(fmt.Sprintf(\"%s#%d\", server, i))\n c.circle[hash] = server\n c.sortedHashes = append(c.sortedHashes, hash)\n }\n \n sort.Slice(c.sortedHashes, func(i, j int) bool {\n return c.sortedHashes[i] \u003C c.sortedHashes[j]\n })\n}\n\nfunc (c *ConsistentHash) Get(key string) string {\n c.mu.RLock()\n defer c.mu.RUnlock()\n \n if len(c.circle) == 0 {\n return \"\"\n }\n \n hash := c.hash(key)\n idx := sort.Search(len(c.sortedHashes), func(i int) bool {\n return c.sortedHashes[i] >= hash\n })\n \n if idx >= len(c.sortedHashes) {\n idx = 0\n }\n \n return c.circle[c.sortedHashes[idx]]\n}\n",[910,2760,2761,2767,2776,2785,2793,2797,2801,2812,2831,2839,2846,2858,2862,2866,2889,2899,2922,2927,2931,2935,2939,2970,2989,2993,2997,3023,3032,3043,3047,3073,3106,3115,3127,3131,3135,3167,3179,3183,3187,3191,3219,3228,3239,3243,3258,3264,3268,3272,3286,3321,3333,3337,3341,3355,3364,3368,3372,3379],{"__ignoreMap":11},[913,2762,2763,2765],{"class":915,"line":916},[913,2764,920],{"class":919},[913,2766,924],{"class":923},[913,2768,2769,2771,2774],{"class":915,"line":927},[913,2770,931],{"class":930},[913,2772,2773],{"class":934},"hash\u002Fcrc32",[913,2775,938],{"class":930},[913,2777,2778,2780,2783],{"class":915,"line":941},[913,2779,931],{"class":930},[913,2781,2782],{"class":934},"sort",[913,2784,938],{"class":930},[913,2786,2787,2789,2791],{"class":915,"line":947},[913,2788,931],{"class":930},[913,2790,2303],{"class":934},[913,2792,938],{"class":930},[913,2794,2795],{"class":915,"line":954},[913,2796,944],{"class":923},[913,2798,2799],{"class":915,"line":961},[913,2800,951],{"emptyLinePlaceholder":950},[913,2802,2803,2805,2808,2810],{"class":915,"line":1008},[913,2804,2272],{"class":919},[913,2806,2807],{"class":934}," ConsistentHash",[913,2809,2278],{"class":919},[913,2811,1005],{"class":923},[913,2813,2814,2817,2820,2823,2826,2829],{"class":915,"line":1026},[913,2815,2816],{"class":923}," circle ",[913,2818,2819],{"class":919},"map",[913,2821,2822],{"class":923},"[",[913,2824,2825],{"class":919},"uint32",[913,2827,2828],{"class":923},"]",[913,2830,2195],{"class":919},[913,2832,2833,2836],{"class":915,"line":1038},[913,2834,2835],{"class":923}," sortedHashes []",[913,2837,2838],{"class":919},"uint32\n",[913,2840,2841,2844],{"class":915,"line":1044},[913,2842,2843],{"class":923}," replicas ",[913,2845,2295],{"class":919},[913,2847,2848,2851,2853,2855],{"class":915,"line":1060},[913,2849,2850],{"class":923}," mu ",[913,2852,2303],{"class":934},[913,2854,1112],{"class":923},[913,2856,2857],{"class":934},"RWMutex\n",[913,2859,2860],{"class":915,"line":1078},[913,2861,1265],{"class":923},[913,2863,2864],{"class":915,"line":1087},[913,2865,951],{"emptyLinePlaceholder":950},[913,2867,2868,2870,2873,2875,2878,2880,2882,2884,2887],{"class":915,"line":1093},[913,2869,964],{"class":919},[913,2871,2872],{"class":934}," NewConsistentHash",[913,2874,970],{"class":923},[913,2876,2877],{"class":973},"replicas",[913,2879,996],{"class":919},[913,2881,999],{"class":923},[913,2883,1300],{"class":919},[913,2885,2886],{"class":934},"ConsistentHash",[913,2888,1005],{"class":923},[913,2890,2891,2893,2895,2897],{"class":915,"line":1098},[913,2892,1244],{"class":919},[913,2894,1106],{"class":919},[913,2896,2886],{"class":934},[913,2898,1118],{"class":923},[913,2900,2901,2904,2907,2909,2911,2913,2915,2917,2919],{"class":915,"line":1121},[913,2902,2903],{"class":923}," circle: ",[913,2905,2906],{"class":934},"make",[913,2908,970],{"class":923},[913,2910,2819],{"class":919},[913,2912,2822],{"class":923},[913,2914,2825],{"class":919},[913,2916,2828],{"class":923},[913,2918,1637],{"class":919},[913,2920,2921],{"class":923},"),\n",[913,2923,2924],{"class":915,"line":1127},[913,2925,2926],{"class":923}," replicas: replicas,\n",[913,2928,2929],{"class":915,"line":1133},[913,2930,1090],{"class":923},[913,2932,2933],{"class":915,"line":1139},[913,2934,1265],{"class":923},[913,2936,2937],{"class":915,"line":1151},[913,2938,951],{"emptyLinePlaceholder":950},[913,2940,2941,2943,2945,2948,2950,2952,2954,2957,2959,2962,2964,2966,2968],{"class":915,"line":1169},[913,2942,964],{"class":919},[913,2944,2367],{"class":923},[913,2946,2947],{"class":973},"c ",[913,2949,1300],{"class":919},[913,2951,2886],{"class":934},[913,2953,999],{"class":923},[913,2955,2956],{"class":934},"hash",[913,2958,970],{"class":923},[913,2960,2961],{"class":973},"key",[913,2963,988],{"class":919},[913,2965,999],{"class":923},[913,2967,2825],{"class":919},[913,2969,1005],{"class":923},[913,2971,2972,2974,2977,2980,2983,2986],{"class":915,"line":1192},[913,2973,1244],{"class":919},[913,2975,2976],{"class":923}," crc32.",[913,2978,2979],{"class":934},"ChecksumIEEE",[913,2981,2982],{"class":923},"([]",[913,2984,2985],{"class":919},"byte",[913,2987,2988],{"class":923},"(key))\n",[913,2990,2991],{"class":915,"line":1203},[913,2992,1265],{"class":923},[913,2994,2995],{"class":915,"line":1214},[913,2996,951],{"emptyLinePlaceholder":950},[913,2998,2999,3001,3003,3005,3007,3009,3011,3014,3016,3019,3021],{"class":915,"line":1225},[913,3000,964],{"class":919},[913,3002,2367],{"class":923},[913,3004,2947],{"class":973},[913,3006,1300],{"class":919},[913,3008,2886],{"class":934},[913,3010,999],{"class":923},[913,3012,3013],{"class":934},"Add",[913,3015,970],{"class":923},[913,3017,3018],{"class":973},"server",[913,3020,988],{"class":919},[913,3022,1314],{"class":923},[913,3024,3025,3028,3030],{"class":915,"line":1231},[913,3026,3027],{"class":923}," c.mu.",[913,3029,2394],{"class":934},[913,3031,1023],{"class":923},[913,3033,3034,3036,3039,3041],{"class":915,"line":1236},[913,3035,1730],{"class":919},[913,3037,3038],{"class":923}," c.mu.",[913,3040,2406],{"class":934},[913,3042,1023],{"class":923},[913,3044,3045],{"class":915,"line":1241},[913,3046,1041],{"class":923},[913,3048,3049,3051,3054,3056,3059,3062,3065,3068,3071],{"class":915,"line":1262},[913,3050,2201],{"class":919},[913,3052,3053],{"class":923}," i ",[913,3055,1014],{"class":919},[913,3057,3058],{"class":1072}," 0",[913,3060,3061],{"class":923},"; i ",[913,3063,3064],{"class":919},"\u003C",[913,3066,3067],{"class":923}," c.replicas; i",[913,3069,3070],{"class":919},"++",[913,3072,1005],{"class":923},[913,3074,3075,3078,3080,3083,3085,3088,3090,3092,3094,3096,3099,3101,3103],{"class":915,"line":1268},[913,3076,3077],{"class":923}," hash ",[913,3079,1014],{"class":919},[913,3081,3082],{"class":923}," c.",[913,3084,2956],{"class":934},[913,3086,3087],{"class":923},"(fmt.",[913,3089,1175],{"class":934},[913,3091,970],{"class":923},[913,3093,1602],{"class":930},[913,3095,1823],{"class":1072},[913,3097,3098],{"class":930},"#",[913,3100,1183],{"class":1072},[913,3102,1602],{"class":930},[913,3104,3105],{"class":923},", server, i))\n",[913,3107,3108,3111,3113],{"class":915,"line":1273},[913,3109,3110],{"class":923}," c.circle[hash] ",[913,3112,1032],{"class":919},[913,3114,2456],{"class":923},[913,3116,3117,3120,3122,3124],{"class":915,"line":1279},[913,3118,3119],{"class":923}," c.sortedHashes ",[913,3121,1032],{"class":919},[913,3123,2222],{"class":934},[913,3125,3126],{"class":923},"(c.sortedHashes, hash)\n",[913,3128,3129],{"class":915,"line":1317},[913,3130,1090],{"class":923},[913,3132,3133],{"class":915,"line":1330},[913,3134,1041],{"class":923},[913,3136,3137,3140,3143,3146,3148,3150,3153,3155,3158,3160,3162,3165],{"class":915,"line":1339},[913,3138,3139],{"class":923}," sort.",[913,3141,3142],{"class":934},"Slice",[913,3144,3145],{"class":923},"(c.sortedHashes, ",[913,3147,964],{"class":919},[913,3149,970],{"class":923},[913,3151,3152],{"class":973},"i",[913,3154,977],{"class":923},[913,3156,3157],{"class":973},"j",[913,3159,996],{"class":919},[913,3161,999],{"class":923},[913,3163,3164],{"class":919},"bool",[913,3166,1005],{"class":923},[913,3168,3169,3171,3174,3176],{"class":915,"line":1344},[913,3170,1081],{"class":919},[913,3172,3173],{"class":923}," c.sortedHashes[i] ",[913,3175,3064],{"class":919},[913,3177,3178],{"class":923}," c.sortedHashes[j]\n",[913,3180,3181],{"class":915,"line":1357},[913,3182,1703],{"class":923},[913,3184,3185],{"class":915,"line":1370},[913,3186,1265],{"class":923},[913,3188,3189],{"class":915,"line":1380},[913,3190,951],{"emptyLinePlaceholder":950},[913,3192,3193,3195,3197,3199,3201,3203,3205,3207,3209,3211,3213,3215,3217],{"class":915,"line":1385},[913,3194,964],{"class":919},[913,3196,2367],{"class":923},[913,3198,2947],{"class":973},[913,3200,1300],{"class":919},[913,3202,2886],{"class":934},[913,3204,999],{"class":923},[913,3206,2138],{"class":934},[913,3208,970],{"class":923},[913,3210,2961],{"class":973},[913,3212,988],{"class":919},[913,3214,999],{"class":923},[913,3216,1637],{"class":919},[913,3218,1005],{"class":923},[913,3220,3221,3223,3226],{"class":915,"line":1390},[913,3222,3027],{"class":923},[913,3224,3225],{"class":934},"RLock",[913,3227,1023],{"class":923},[913,3229,3230,3232,3234,3237],{"class":915,"line":1426},[913,3231,1730],{"class":919},[913,3233,3038],{"class":923},[913,3235,3236],{"class":934},"RUnlock",[913,3238,1023],{"class":923},[913,3240,3241],{"class":915,"line":1434},[913,3242,1041],{"class":923},[913,3244,3245,3247,3249,3252,3254,3256],{"class":915,"line":1439},[913,3246,1063],{"class":919},[913,3248,2446],{"class":934},[913,3250,3251],{"class":923},"(c.circle) ",[913,3253,2668],{"class":919},[913,3255,3058],{"class":1072},[913,3257,1005],{"class":923},[913,3259,3260,3262],{"class":915,"line":1444},[913,3261,1081],{"class":919},[913,3263,2722],{"class":930},[913,3265,3266],{"class":915,"line":1450},[913,3267,1090],{"class":923},[913,3269,3270],{"class":915,"line":1474},[913,3271,1041],{"class":923},[913,3273,3274,3277,3279,3281,3283],{"class":915,"line":1487},[913,3275,3276],{"class":923}," hash ",[913,3278,1014],{"class":919},[913,3280,3082],{"class":923},[913,3282,2956],{"class":934},[913,3284,3285],{"class":923},"(key)\n",[913,3287,3288,3291,3293,3296,3299,3301,3304,3307,3309,3311,3313,3315,3317,3319],{"class":915,"line":1496},[913,3289,3290],{"class":923}," idx ",[913,3292,1014],{"class":919},[913,3294,3295],{"class":923}," sort.",[913,3297,3298],{"class":934},"Search",[913,3300,970],{"class":923},[913,3302,3303],{"class":934},"len",[913,3305,3306],{"class":923},"(c.sortedHashes), ",[913,3308,964],{"class":919},[913,3310,970],{"class":923},[913,3312,3152],{"class":973},[913,3314,996],{"class":919},[913,3316,999],{"class":923},[913,3318,3164],{"class":919},[913,3320,1005],{"class":923},[913,3322,3323,3325,3327,3330],{"class":915,"line":1501},[913,3324,1081],{"class":919},[913,3326,3173],{"class":923},[913,3328,3329],{"class":919},">=",[913,3331,3332],{"class":923}," hash\n",[913,3334,3335],{"class":915,"line":1514},[913,3336,1703],{"class":923},[913,3338,3339],{"class":915,"line":1527},[913,3340,1041],{"class":923},[913,3342,3343,3345,3348,3350,3352],{"class":915,"line":1534},[913,3344,1063],{"class":919},[913,3346,3347],{"class":923}," idx ",[913,3349,3329],{"class":919},[913,3351,2446],{"class":934},[913,3353,3354],{"class":923},"(c.sortedHashes) {\n",[913,3356,3357,3360,3362],{"class":915,"line":1539},[913,3358,3359],{"class":923}," idx ",[913,3361,1032],{"class":919},[913,3363,2604],{"class":1072},[913,3365,3366],{"class":915,"line":1544},[913,3367,1090],{"class":923},[913,3369,3370],{"class":915,"line":1561},[913,3371,1041],{"class":923},[913,3373,3374,3376],{"class":915,"line":2104},[913,3375,1244],{"class":919},[913,3377,3378],{"class":923}," c.circle[c.sortedHashes[idx]]\n",[913,3380,3381],{"class":915,"line":2128},[913,3382,1265],{"class":923},[895,3384,3385],{"id":3385},"熔断器",[899,3387,3388],{"id":3388},"简单实现",[904,3390,3392],{"className":906,"code":3391,"language":908,"meta":11,"style":11},"type State int\n\nconst (\n StateClosed State = iota\n StateOpen\n StateHalfOpen\n)\n\ntype CircuitBreaker struct {\n mu sync.Mutex\n state State\n failureCount int\n successCount int\n threshold int\n timeout time.Duration\n lastFailure time.Time\n}\n\nfunc NewCircuitBreaker(threshold int, timeout time.Duration) *CircuitBreaker {\n return &CircuitBreaker{\n state: StateClosed,\n threshold: threshold,\n timeout: timeout,\n }\n}\n\nfunc (cb *CircuitBreaker) Execute(fn func() error) error {\n cb.mu.Lock()\n \n \u002F\u002F 检查状态\n switch cb.state {\n case StateOpen:\n if time.Since(cb.lastFailure) > cb.timeout {\n cb.state = StateHalfOpen\n cb.successCount = 0\n } else {\n cb.mu.Unlock()\n return errors.New(\"circuit breaker is open\")\n }\n }\n \n cb.mu.Unlock()\n \n \u002F\u002F 执行操作\n err := fn()\n \n cb.mu.Lock()\n defer cb.mu.Unlock()\n \n if err != nil {\n cb.failureCount++\n cb.lastFailure = time.Now()\n \n if cb.failureCount >= cb.threshold {\n cb.state = StateOpen\n }\n \n return err\n }\n \n \u002F\u002F 成功\n if cb.state == StateHalfOpen {\n cb.successCount++\n if cb.successCount >= 3 {\n cb.state = StateClosed\n cb.failureCount = 0\n }\n } else {\n cb.failureCount = 0\n }\n \n return nil\n}\n",[910,3393,3394,3404,3408,3415,3428,3433,3438,3442,3446,3457,3468,3476,3483,3490,3497,3509,3521,3525,3529,3565,3575,3580,3585,3590,3594,3598,3602,3637,3646,3650,3655,3663,3671,3689,3699,3708,3718,3727,3744,3748,3752,3756,3764,3768,3773,3785,3789,3797,3808,3812,3824,3832,3846,3850,3862,3871,3875,3879,3885,3889,3893,3898,3910,3917,3931,3940,3949,3953,3962,3971,3976,3981,3988],{"__ignoreMap":11},[913,3395,3396,3398,3401],{"class":915,"line":916},[913,3397,2272],{"class":919},[913,3399,3400],{"class":934}," State",[913,3402,3403],{"class":919}," int\n",[913,3405,3406],{"class":915,"line":927},[913,3407,951],{"emptyLinePlaceholder":950},[913,3409,3410,3413],{"class":915,"line":941},[913,3411,3412],{"class":919},"const",[913,3414,924],{"class":923},[913,3416,3417,3420,3422,3425],{"class":915,"line":947},[913,3418,3419],{"class":1072}," StateClosed",[913,3421,3400],{"class":934},[913,3423,3424],{"class":919}," =",[913,3426,3427],{"class":1072}," iota\n",[913,3429,3430],{"class":915,"line":954},[913,3431,3432],{"class":1072}," StateOpen\n",[913,3434,3435],{"class":915,"line":961},[913,3436,3437],{"class":1072}," StateHalfOpen\n",[913,3439,3440],{"class":915,"line":1008},[913,3441,944],{"class":923},[913,3443,3444],{"class":915,"line":1026},[913,3445,951],{"emptyLinePlaceholder":950},[913,3447,3448,3450,3453,3455],{"class":915,"line":1038},[913,3449,2272],{"class":919},[913,3451,3452],{"class":934}," CircuitBreaker",[913,3454,2278],{"class":919},[913,3456,1005],{"class":923},[913,3458,3459,3462,3464,3466],{"class":915,"line":1044},[913,3460,3461],{"class":923}," mu ",[913,3463,2303],{"class":934},[913,3465,1112],{"class":923},[913,3467,2308],{"class":934},[913,3469,3470,3473],{"class":915,"line":1060},[913,3471,3472],{"class":923}," state ",[913,3474,3475],{"class":934},"State\n",[913,3477,3478,3481],{"class":915,"line":1078},[913,3479,3480],{"class":923}," failureCount ",[913,3482,2295],{"class":919},[913,3484,3485,3488],{"class":915,"line":1087},[913,3486,3487],{"class":923}," successCount ",[913,3489,2295],{"class":919},[913,3491,3492,3495],{"class":915,"line":1093},[913,3493,3494],{"class":923}," threshold ",[913,3496,2295],{"class":919},[913,3498,3499,3502,3504,3506],{"class":915,"line":1098},[913,3500,3501],{"class":923}," timeout ",[913,3503,283],{"class":934},[913,3505,1112],{"class":923},[913,3507,3508],{"class":934},"Duration\n",[913,3510,3511,3514,3516,3518],{"class":915,"line":1121},[913,3512,3513],{"class":923}," lastFailure ",[913,3515,283],{"class":934},[913,3517,1112],{"class":923},[913,3519,3520],{"class":934},"Time\n",[913,3522,3523],{"class":915,"line":1127},[913,3524,1265],{"class":923},[913,3526,3527],{"class":915,"line":1133},[913,3528,951],{"emptyLinePlaceholder":950},[913,3530,3531,3533,3536,3538,3541,3543,3545,3548,3551,3553,3556,3558,3560,3563],{"class":915,"line":1139},[913,3532,964],{"class":919},[913,3534,3535],{"class":934}," NewCircuitBreaker",[913,3537,970],{"class":923},[913,3539,3540],{"class":973},"threshold",[913,3542,996],{"class":919},[913,3544,977],{"class":923},[913,3546,3547],{"class":973},"timeout",[913,3549,3550],{"class":934}," time",[913,3552,1112],{"class":923},[913,3554,3555],{"class":934},"Duration",[913,3557,999],{"class":923},[913,3559,1300],{"class":919},[913,3561,3562],{"class":934},"CircuitBreaker",[913,3564,1005],{"class":923},[913,3566,3567,3569,3571,3573],{"class":915,"line":1151},[913,3568,1244],{"class":919},[913,3570,1106],{"class":919},[913,3572,3562],{"class":934},[913,3574,1118],{"class":923},[913,3576,3577],{"class":915,"line":1169},[913,3578,3579],{"class":923}," state: StateClosed,\n",[913,3581,3582],{"class":915,"line":1192},[913,3583,3584],{"class":923}," threshold: threshold,\n",[913,3586,3587],{"class":915,"line":1203},[913,3588,3589],{"class":923}," timeout: timeout,\n",[913,3591,3592],{"class":915,"line":1214},[913,3593,1090],{"class":923},[913,3595,3596],{"class":915,"line":1225},[913,3597,1265],{"class":923},[913,3599,3600],{"class":915,"line":1231},[913,3601,951],{"emptyLinePlaceholder":950},[913,3603,3604,3606,3608,3611,3613,3615,3617,3620,3622,3625,3627,3629,3631,3633,3635],{"class":915,"line":1236},[913,3605,964],{"class":919},[913,3607,2367],{"class":923},[913,3609,3610],{"class":973},"cb ",[913,3612,1300],{"class":919},[913,3614,3562],{"class":934},[913,3616,999],{"class":923},[913,3618,3619],{"class":934},"Execute",[913,3621,970],{"class":923},[913,3623,3624],{"class":973},"fn",[913,3626,1942],{"class":919},[913,3628,2382],{"class":923},[913,3630,1002],{"class":919},[913,3632,999],{"class":923},[913,3634,1002],{"class":919},[913,3636,1005],{"class":923},[913,3638,3639,3642,3644],{"class":915,"line":1241},[913,3640,3641],{"class":923}," cb.mu.",[913,3643,2394],{"class":934},[913,3645,1023],{"class":923},[913,3647,3648],{"class":915,"line":1262},[913,3649,1041],{"class":923},[913,3651,3652],{"class":915,"line":1268},[913,3653,3654],{"class":957}," \u002F\u002F 检查状态\n",[913,3656,3657,3660],{"class":915,"line":1273},[913,3658,3659],{"class":919}," switch",[913,3661,3662],{"class":923}," cb.state {\n",[913,3664,3665,3668],{"class":915,"line":1279},[913,3666,3667],{"class":919}," case",[913,3669,3670],{"class":923}," StateOpen:\n",[913,3672,3673,3675,3678,3681,3684,3686],{"class":915,"line":1317},[913,3674,2663],{"class":919},[913,3676,3677],{"class":923}," time.",[913,3679,3680],{"class":934},"Since",[913,3682,3683],{"class":923},"(cb.lastFailure) ",[913,3685,2679],{"class":919},[913,3687,3688],{"class":923}," cb.timeout {\n",[913,3690,3691,3694,3696],{"class":915,"line":1330},[913,3692,3693],{"class":923}," cb.state ",[913,3695,1032],{"class":919},[913,3697,3698],{"class":923}," StateHalfOpen\n",[913,3700,3701,3704,3706],{"class":915,"line":1339},[913,3702,3703],{"class":923}," cb.successCount ",[913,3705,1032],{"class":919},[913,3707,2604],{"class":1072},[913,3709,3710,3713,3716],{"class":915,"line":1344},[913,3711,3712],{"class":923}," } ",[913,3714,3715],{"class":919},"else",[913,3717,1005],{"class":923},[913,3719,3720,3723,3725],{"class":915,"line":1357},[913,3721,3722],{"class":923}," cb.mu.",[913,3724,2406],{"class":934},[913,3726,1023],{"class":923},[913,3728,3729,3732,3735,3737,3739,3742],{"class":915,"line":1370},[913,3730,3731],{"class":919}," return",[913,3733,3734],{"class":923}," errors.",[913,3736,1667],{"class":934},[913,3738,970],{"class":923},[913,3740,3741],{"class":930},"\"circuit breaker is open\"",[913,3743,944],{"class":923},[913,3745,3746],{"class":915,"line":1380},[913,3747,1966],{"class":923},[913,3749,3750],{"class":915,"line":1385},[913,3751,1090],{"class":923},[913,3753,3754],{"class":915,"line":1390},[913,3755,1041],{"class":923},[913,3757,3758,3760,3762],{"class":915,"line":1426},[913,3759,3641],{"class":923},[913,3761,2406],{"class":934},[913,3763,1023],{"class":923},[913,3765,3766],{"class":915,"line":1434},[913,3767,1041],{"class":923},[913,3769,3770],{"class":915,"line":1439},[913,3771,3772],{"class":957}," \u002F\u002F 执行操作\n",[913,3774,3775,3778,3780,3783],{"class":915,"line":1444},[913,3776,3777],{"class":923}," err ",[913,3779,1014],{"class":919},[913,3781,3782],{"class":934}," fn",[913,3784,1023],{"class":923},[913,3786,3787],{"class":915,"line":1450},[913,3788,1041],{"class":923},[913,3790,3791,3793,3795],{"class":915,"line":1474},[913,3792,3641],{"class":923},[913,3794,2394],{"class":934},[913,3796,1023],{"class":923},[913,3798,3799,3801,3804,3806],{"class":915,"line":1487},[913,3800,1730],{"class":919},[913,3802,3803],{"class":923}," cb.mu.",[913,3805,2406],{"class":934},[913,3807,1023],{"class":923},[913,3809,3810],{"class":915,"line":1496},[913,3811,1041],{"class":923},[913,3813,3814,3816,3818,3820,3822],{"class":915,"line":1501},[913,3815,1063],{"class":919},[913,3817,1066],{"class":923},[913,3819,1069],{"class":919},[913,3821,1073],{"class":1072},[913,3823,1005],{"class":923},[913,3825,3826,3829],{"class":915,"line":1514},[913,3827,3828],{"class":923}," cb.failureCount",[913,3830,3831],{"class":919},"++\n",[913,3833,3834,3837,3839,3841,3844],{"class":915,"line":1527},[913,3835,3836],{"class":923}," cb.lastFailure ",[913,3838,1032],{"class":919},[913,3840,3677],{"class":923},[913,3842,3843],{"class":934},"Now",[913,3845,1023],{"class":923},[913,3847,3848],{"class":915,"line":1534},[913,3849,2658],{"class":923},[913,3851,3852,3854,3857,3859],{"class":915,"line":1539},[913,3853,2663],{"class":919},[913,3855,3856],{"class":923}," cb.failureCount ",[913,3858,3329],{"class":919},[913,3860,3861],{"class":923}," cb.threshold {\n",[913,3863,3864,3866,3868],{"class":915,"line":1544},[913,3865,3693],{"class":923},[913,3867,1032],{"class":919},[913,3869,3870],{"class":923}," StateOpen\n",[913,3872,3873],{"class":915,"line":1561},[913,3874,1966],{"class":923},[913,3876,3877],{"class":915,"line":2104},[913,3878,2658],{"class":923},[913,3880,3881,3883],{"class":915,"line":2128},[913,3882,1081],{"class":919},[913,3884,1084],{"class":923},[913,3886,3887],{"class":915,"line":2154},[913,3888,1090],{"class":923},[913,3890,3891],{"class":915,"line":2167},[913,3892,1041],{"class":923},[913,3894,3895],{"class":915,"line":2176},[913,3896,3897],{"class":957}," \u002F\u002F 成功\n",[913,3899,3900,3902,3905,3907],{"class":915,"line":2181},[913,3901,1063],{"class":919},[913,3903,3904],{"class":923}," cb.state ",[913,3906,2668],{"class":919},[913,3908,3909],{"class":923}," StateHalfOpen {\n",[913,3911,3912,3915],{"class":915,"line":2186},[913,3913,3914],{"class":923}," cb.successCount",[913,3916,3831],{"class":919},[913,3918,3919,3921,3924,3926,3929],{"class":915,"line":2198},[913,3920,2663],{"class":919},[913,3922,3923],{"class":923}," cb.successCount ",[913,3925,3329],{"class":919},[913,3927,3928],{"class":1072}," 3",[913,3930,1005],{"class":923},[913,3932,3933,3935,3937],{"class":915,"line":2214},[913,3934,3693],{"class":923},[913,3936,1032],{"class":919},[913,3938,3939],{"class":923}," StateClosed\n",[913,3941,3942,3945,3947],{"class":915,"line":2233},[913,3943,3944],{"class":923}," cb.failureCount ",[913,3946,1032],{"class":919},[913,3948,2604],{"class":1072},[913,3950,3951],{"class":915,"line":2238},[913,3952,1966],{"class":923},[913,3954,3955,3958,3960],{"class":915,"line":2243},[913,3956,3957],{"class":923}," } ",[913,3959,3715],{"class":919},[913,3961,1005],{"class":923},[913,3963,3964,3967,3969],{"class":915,"line":2254},[913,3965,3966],{"class":923}," cb.failureCount ",[913,3968,1032],{"class":919},[913,3970,2604],{"class":1072},[913,3972,3974],{"class":915,"line":3973},70,[913,3975,1090],{"class":923},[913,3977,3979],{"class":915,"line":3978},71,[913,3980,1041],{"class":923},[913,3982,3984,3986],{"class":915,"line":3983},72,[913,3985,1244],{"class":919},[913,3987,1982],{"class":1072},[913,3989,3991],{"class":915,"line":3990},73,[913,3992,1265],{"class":923},[899,3994,3996],{"id":3995},"使用-gobreaker","使用 gobreaker",[904,3998,4000],{"className":906,"code":3999,"language":908,"meta":11,"style":11},"import \"github.com\u002Fsony\u002Fgobreaker\"\n\nvar cb *gobreaker.CircuitBreaker\n\nfunc init() {\n settings := gobreaker.Settings{\n Name: \"my-service\",\n MaxRequests: 3, \u002F\u002F 半开状态最大请求数\n Interval: 10 * time.Second, \u002F\u002F 统计间隔\n Timeout: 30 * time.Second, \u002F\u002F 开启状态超时时间\n ReadyToTrip: func(counts gobreaker.Counts) bool {\n \u002F\u002F 失败率超过 60% 触发熔断\n failureRatio := float64(counts.TotalFailures) \u002F float64(counts.Requests)\n return counts.Requests >= 3 && failureRatio >= 0.6\n },\n OnStateChange: func(name string, from gobreaker.State, to gobreaker.State) {\n log.Printf(\"Circuit breaker %s: %s -> %s\\n\", name, from, to)\n },\n }\n \n cb = gobreaker.NewCircuitBreaker(settings)\n}\n\n\u002F\u002F 使用\nfunc CallService() (interface{}, error) {\n return cb.Execute(func() (interface{}, error) {\n \u002F\u002F 调用远程服务\n return doRequest()\n })\n}\n",[910,4001,4002,4014,4018,4036,4040,4049,4066,4076,4090,4105,4120,4145,4150,4170,4192,4196,4234,4265,4269,4273,4277,4293,4297,4301,4306,4326,4349,4354,4363,4367],{"__ignoreMap":11},[913,4003,4004,4006,4009,4012],{"class":915,"line":916},[913,4005,920],{"class":919},[913,4007,4008],{"class":930}," \"",[913,4010,4011],{"class":934},"github.com\u002Fsony\u002Fgobreaker",[913,4013,938],{"class":930},[913,4015,4016],{"class":915,"line":927},[913,4017,951],{"emptyLinePlaceholder":950},[913,4019,4020,4023,4026,4028,4031,4033],{"class":915,"line":941},[913,4021,4022],{"class":919},"var",[913,4024,4025],{"class":923}," cb ",[913,4027,1300],{"class":919},[913,4029,4030],{"class":934},"gobreaker",[913,4032,1112],{"class":923},[913,4034,4035],{"class":934},"CircuitBreaker\n",[913,4037,4038],{"class":915,"line":947},[913,4039,951],{"emptyLinePlaceholder":950},[913,4041,4042,4044,4047],{"class":915,"line":954},[913,4043,964],{"class":919},[913,4045,4046],{"class":934}," init",[913,4048,1945],{"class":923},[913,4050,4051,4054,4056,4059,4061,4064],{"class":915,"line":961},[913,4052,4053],{"class":923}," settings ",[913,4055,1014],{"class":919},[913,4057,4058],{"class":934}," gobreaker",[913,4060,1112],{"class":923},[913,4062,4063],{"class":934},"Settings",[913,4065,1118],{"class":923},[913,4067,4068,4071,4074],{"class":915,"line":1008},[913,4069,4070],{"class":923}," Name: ",[913,4072,4073],{"class":930},"\"my-service\"",[913,4075,1148],{"class":923},[913,4077,4078,4081,4084,4087],{"class":915,"line":1026},[913,4079,4080],{"class":923}," MaxRequests: ",[913,4082,4083],{"class":1072},"3",[913,4085,4086],{"class":923},", ",[913,4088,4089],{"class":957},"\u002F\u002F 半开状态最大请求数\n",[913,4091,4092,4095,4097,4099,4102],{"class":915,"line":1038},[913,4093,4094],{"class":923}," Interval: ",[913,4096,1770],{"class":1072},[913,4098,1695],{"class":919},[913,4100,4101],{"class":923}," time.Second, ",[913,4103,4104],{"class":957},"\u002F\u002F 统计间隔\n",[913,4106,4107,4110,4113,4115,4117],{"class":915,"line":1044},[913,4108,4109],{"class":923}," Timeout: ",[913,4111,4112],{"class":1072},"30",[913,4114,1695],{"class":919},[913,4116,4101],{"class":923},[913,4118,4119],{"class":957},"\u002F\u002F 开启状态超时时间\n",[913,4121,4122,4125,4127,4129,4132,4134,4136,4139,4141,4143],{"class":915,"line":1060},[913,4123,4124],{"class":923}," ReadyToTrip: ",[913,4126,964],{"class":919},[913,4128,970],{"class":923},[913,4130,4131],{"class":973},"counts",[913,4133,4058],{"class":934},[913,4135,1112],{"class":923},[913,4137,4138],{"class":934},"Counts",[913,4140,999],{"class":923},[913,4142,3164],{"class":919},[913,4144,1005],{"class":923},[913,4146,4147],{"class":915,"line":1078},[913,4148,4149],{"class":957}," \u002F\u002F 失败率超过 60% 触发熔断\n",[913,4151,4152,4155,4157,4160,4163,4165,4167],{"class":915,"line":1087},[913,4153,4154],{"class":923}," failureRatio ",[913,4156,1014],{"class":919},[913,4158,4159],{"class":919}," float64",[913,4161,4162],{"class":923},"(counts.TotalFailures) ",[913,4164,1826],{"class":919},[913,4166,4159],{"class":919},[913,4168,4169],{"class":923},"(counts.Requests)\n",[913,4171,4172,4174,4177,4179,4181,4184,4187,4189],{"class":915,"line":1093},[913,4173,3731],{"class":919},[913,4175,4176],{"class":923}," counts.Requests ",[913,4178,3329],{"class":919},[913,4180,3928],{"class":1072},[913,4182,4183],{"class":919}," &&",[913,4185,4186],{"class":923}," failureRatio ",[913,4188,3329],{"class":919},[913,4190,4191],{"class":1072}," 0.6\n",[913,4193,4194],{"class":915,"line":1098},[913,4195,1228],{"class":923},[913,4197,4198,4201,4203,4205,4207,4209,4211,4214,4216,4218,4221,4223,4226,4228,4230,4232],{"class":915,"line":1121},[913,4199,4200],{"class":923}," OnStateChange: ",[913,4202,964],{"class":919},[913,4204,970],{"class":923},[913,4206,980],{"class":973},[913,4208,988],{"class":919},[913,4210,977],{"class":923},[913,4212,4213],{"class":973},"from",[913,4215,4058],{"class":934},[913,4217,1112],{"class":923},[913,4219,4220],{"class":934},"State",[913,4222,977],{"class":923},[913,4224,4225],{"class":973},"to",[913,4227,4058],{"class":934},[913,4229,1112],{"class":923},[913,4231,4220],{"class":934},[913,4233,1314],{"class":923},[913,4235,4236,4239,4242,4244,4247,4249,4252,4254,4257,4260,4262],{"class":915,"line":1127},[913,4237,4238],{"class":923}," log.",[913,4240,4241],{"class":934},"Printf",[913,4243,970],{"class":923},[913,4245,4246],{"class":930},"\"Circuit breaker ",[913,4248,1823],{"class":1072},[913,4250,4251],{"class":930},": ",[913,4253,1823],{"class":1072},[913,4255,4256],{"class":930}," -> ",[913,4258,4259],{"class":1072},"%s\\n",[913,4261,1602],{"class":930},[913,4263,4264],{"class":923},", name, from, to)\n",[913,4266,4267],{"class":915,"line":1133},[913,4268,1228],{"class":923},[913,4270,4271],{"class":915,"line":1139},[913,4272,1090],{"class":923},[913,4274,4275],{"class":915,"line":1151},[913,4276,1041],{"class":923},[913,4278,4279,4282,4284,4287,4290],{"class":915,"line":1169},[913,4280,4281],{"class":923}," cb ",[913,4283,1032],{"class":919},[913,4285,4286],{"class":923}," gobreaker.",[913,4288,4289],{"class":934},"NewCircuitBreaker",[913,4291,4292],{"class":923},"(settings)\n",[913,4294,4295],{"class":915,"line":1192},[913,4296,1265],{"class":923},[913,4298,4299],{"class":915,"line":1203},[913,4300,951],{"emptyLinePlaceholder":950},[913,4302,4303],{"class":915,"line":1214},[913,4304,4305],{"class":957},"\u002F\u002F 使用\n",[913,4307,4308,4310,4313,4316,4319,4322,4324],{"class":915,"line":1225},[913,4309,964],{"class":919},[913,4311,4312],{"class":934}," CallService",[913,4314,4315],{"class":923},"() (",[913,4317,4318],{"class":919},"interface",[913,4320,4321],{"class":923},"{}, ",[913,4323,1002],{"class":919},[913,4325,1314],{"class":923},[913,4327,4328,4330,4333,4335,4337,4339,4341,4343,4345,4347],{"class":915,"line":1231},[913,4329,1244],{"class":919},[913,4331,4332],{"class":923}," cb.",[913,4334,3619],{"class":934},[913,4336,970],{"class":923},[913,4338,964],{"class":919},[913,4340,4315],{"class":923},[913,4342,4318],{"class":919},[913,4344,4321],{"class":923},[913,4346,1002],{"class":919},[913,4348,1314],{"class":923},[913,4350,4351],{"class":915,"line":1236},[913,4352,4353],{"class":957}," \u002F\u002F 调用远程服务\n",[913,4355,4356,4358,4361],{"class":915,"line":1241},[913,4357,1081],{"class":919},[913,4359,4360],{"class":934}," doRequest",[913,4362,1023],{"class":923},[913,4364,4365],{"class":915,"line":1262},[913,4366,1703],{"class":923},[913,4368,4369],{"class":915,"line":1268},[913,4370,1265],{"class":923},[895,4372,4373],{"id":4373},"限流",[899,4375,4376],{"id":4376},"令牌桶",[904,4378,4380],{"className":906,"code":4379,"language":908,"meta":11,"style":11},"import \"golang.org\u002Fx\u002Ftime\u002Frate\"\n\n\u002F\u002F 创建限流器：每秒 100 个请求，最大突发 10 个\nlimiter := rate.NewLimiter(100, 10)\n\n\u002F\u002F 阻塞等待\nif err := limiter.Wait(ctx); err != nil {\n return err\n}\n\u002F\u002F 执行请求...\n\n\u002F\u002F 非阻塞\nif !limiter.Allow() {\n return errors.New(\"rate limited\")\n}\n\u002F\u002F 执行请求...\n",[910,4381,4382,4393,4397,4402,4426,4430,4435,4459,4465,4469,4474,4478,4483,4498,4513,4517],{"__ignoreMap":11},[913,4383,4384,4386,4388,4391],{"class":915,"line":916},[913,4385,920],{"class":919},[913,4387,4008],{"class":930},[913,4389,4390],{"class":934},"golang.org\u002Fx\u002Ftime\u002Frate",[913,4392,938],{"class":930},[913,4394,4395],{"class":915,"line":927},[913,4396,951],{"emptyLinePlaceholder":950},[913,4398,4399],{"class":915,"line":941},[913,4400,4401],{"class":957},"\u002F\u002F 创建限流器：每秒 100 个请求，最大突发 10 个\n",[913,4403,4404,4407,4409,4412,4415,4417,4420,4422,4424],{"class":915,"line":947},[913,4405,4406],{"class":923},"limiter ",[913,4408,1014],{"class":919},[913,4410,4411],{"class":923}," rate.",[913,4413,4414],{"class":934},"NewLimiter",[913,4416,970],{"class":923},[913,4418,4419],{"class":1072},"100",[913,4421,977],{"class":923},[913,4423,1770],{"class":1072},[913,4425,944],{"class":923},[913,4427,4428],{"class":915,"line":954},[913,4429,951],{"emptyLinePlaceholder":950},[913,4431,4432],{"class":915,"line":961},[913,4433,4434],{"class":957},"\u002F\u002F 阻塞等待\n",[913,4436,4437,4440,4442,4444,4447,4450,4453,4455,4457],{"class":915,"line":1008},[913,4438,4439],{"class":919},"if",[913,4441,1066],{"class":923},[913,4443,1014],{"class":919},[913,4445,4446],{"class":923}," limiter.",[913,4448,4449],{"class":934},"Wait",[913,4451,4452],{"class":923},"(ctx); err ",[913,4454,1069],{"class":919},[913,4456,1073],{"class":1072},[913,4458,1005],{"class":923},[913,4460,4461,4463],{"class":915,"line":1026},[913,4462,1244],{"class":919},[913,4464,1084],{"class":923},[913,4466,4467],{"class":915,"line":1038},[913,4468,1265],{"class":923},[913,4470,4471],{"class":915,"line":1044},[913,4472,4473],{"class":957},"\u002F\u002F 执行请求...\n",[913,4475,4476],{"class":915,"line":1060},[913,4477,951],{"emptyLinePlaceholder":950},[913,4479,4480],{"class":915,"line":1078},[913,4481,4482],{"class":957},"\u002F\u002F 非阻塞\n",[913,4484,4485,4487,4490,4493,4496],{"class":915,"line":1087},[913,4486,4439],{"class":919},[913,4488,4489],{"class":919}," !",[913,4491,4492],{"class":923},"limiter.",[913,4494,4495],{"class":934},"Allow",[913,4497,1945],{"class":923},[913,4499,4500,4502,4504,4506,4508,4511],{"class":915,"line":1093},[913,4501,1244],{"class":919},[913,4503,3734],{"class":923},[913,4505,1667],{"class":934},[913,4507,970],{"class":923},[913,4509,4510],{"class":930},"\"rate limited\"",[913,4512,944],{"class":923},[913,4514,4515],{"class":915,"line":1098},[913,4516,1265],{"class":923},[913,4518,4519],{"class":915,"line":1121},[913,4520,4473],{"class":957},[899,4522,4523],{"id":4523},"滑动窗口",[904,4525,4527],{"className":906,"code":4526,"language":908,"meta":11,"style":11},"type SlidingWindow struct {\n mu sync.Mutex\n size time.Duration\n limit int\n timestamps []time.Time\n}\n\nfunc NewSlidingWindow(size time.Duration, limit int) *SlidingWindow {\n return &SlidingWindow{\n size: size,\n limit: limit,\n }\n}\n\nfunc (sw *SlidingWindow) Allow() bool {\n sw.mu.Lock()\n defer sw.mu.Unlock()\n \n now := time.Now()\n windowStart := now.Add(-sw.size)\n \n \u002F\u002F 清理过期记录\n var valid []time.Time\n for _, ts := range sw.timestamps {\n if ts.After(windowStart) {\n valid = append(valid, ts)\n }\n }\n sw.timestamps = valid\n \n \u002F\u002F 检查是否超过限制\n if len(sw.timestamps) >= sw.limit {\n return false\n }\n \n sw.timestamps = append(sw.timestamps, now)\n return true\n}\n",[910,4528,4529,4540,4551,4562,4569,4580,4584,4588,4622,4632,4637,4642,4646,4650,4654,4677,4686,4697,4701,4714,4734,4738,4743,4756,4770,4783,4795,4799,4803,4813,4817,4822,4836,4843,4847,4851,4862,4869],{"__ignoreMap":11},[913,4530,4531,4533,4536,4538],{"class":915,"line":916},[913,4532,2272],{"class":919},[913,4534,4535],{"class":934}," SlidingWindow",[913,4537,2278],{"class":919},[913,4539,1005],{"class":923},[913,4541,4542,4545,4547,4549],{"class":915,"line":927},[913,4543,4544],{"class":923}," mu ",[913,4546,2303],{"class":934},[913,4548,1112],{"class":923},[913,4550,2308],{"class":934},[913,4552,4553,4556,4558,4560],{"class":915,"line":941},[913,4554,4555],{"class":923}," size ",[913,4557,283],{"class":934},[913,4559,1112],{"class":923},[913,4561,3508],{"class":934},[913,4563,4564,4567],{"class":915,"line":947},[913,4565,4566],{"class":923}," limit ",[913,4568,2295],{"class":919},[913,4570,4571,4574,4576,4578],{"class":915,"line":954},[913,4572,4573],{"class":923}," timestamps []",[913,4575,283],{"class":934},[913,4577,1112],{"class":923},[913,4579,3520],{"class":934},[913,4581,4582],{"class":915,"line":961},[913,4583,1265],{"class":923},[913,4585,4586],{"class":915,"line":1008},[913,4587,951],{"emptyLinePlaceholder":950},[913,4589,4590,4592,4595,4597,4600,4602,4604,4606,4608,4611,4613,4615,4617,4620],{"class":915,"line":1026},[913,4591,964],{"class":919},[913,4593,4594],{"class":934}," NewSlidingWindow",[913,4596,970],{"class":923},[913,4598,4599],{"class":973},"size",[913,4601,3550],{"class":934},[913,4603,1112],{"class":923},[913,4605,3555],{"class":934},[913,4607,977],{"class":923},[913,4609,4610],{"class":973},"limit",[913,4612,996],{"class":919},[913,4614,999],{"class":923},[913,4616,1300],{"class":919},[913,4618,4619],{"class":934},"SlidingWindow",[913,4621,1005],{"class":923},[913,4623,4624,4626,4628,4630],{"class":915,"line":1038},[913,4625,1244],{"class":919},[913,4627,1106],{"class":919},[913,4629,4619],{"class":934},[913,4631,1118],{"class":923},[913,4633,4634],{"class":915,"line":1044},[913,4635,4636],{"class":923}," size: size,\n",[913,4638,4639],{"class":915,"line":1060},[913,4640,4641],{"class":923}," limit: limit,\n",[913,4643,4644],{"class":915,"line":1078},[913,4645,1090],{"class":923},[913,4647,4648],{"class":915,"line":1087},[913,4649,1265],{"class":923},[913,4651,4652],{"class":915,"line":1093},[913,4653,951],{"emptyLinePlaceholder":950},[913,4655,4656,4658,4660,4663,4665,4667,4669,4671,4673,4675],{"class":915,"line":1098},[913,4657,964],{"class":919},[913,4659,2367],{"class":923},[913,4661,4662],{"class":973},"sw ",[913,4664,1300],{"class":919},[913,4666,4619],{"class":934},[913,4668,999],{"class":923},[913,4670,4495],{"class":934},[913,4672,2382],{"class":923},[913,4674,3164],{"class":919},[913,4676,1005],{"class":923},[913,4678,4679,4682,4684],{"class":915,"line":1121},[913,4680,4681],{"class":923}," sw.mu.",[913,4683,2394],{"class":934},[913,4685,1023],{"class":923},[913,4687,4688,4690,4693,4695],{"class":915,"line":1127},[913,4689,1730],{"class":919},[913,4691,4692],{"class":923}," sw.mu.",[913,4694,2406],{"class":934},[913,4696,1023],{"class":923},[913,4698,4699],{"class":915,"line":1133},[913,4700,1041],{"class":923},[913,4702,4703,4706,4708,4710,4712],{"class":915,"line":1139},[913,4704,4705],{"class":923}," now ",[913,4707,1014],{"class":919},[913,4709,3677],{"class":923},[913,4711,3843],{"class":934},[913,4713,1023],{"class":923},[913,4715,4716,4719,4721,4724,4726,4728,4731],{"class":915,"line":1151},[913,4717,4718],{"class":923}," windowStart ",[913,4720,1014],{"class":919},[913,4722,4723],{"class":923}," now.",[913,4725,3013],{"class":934},[913,4727,970],{"class":923},[913,4729,4730],{"class":919},"-",[913,4732,4733],{"class":923},"sw.size)\n",[913,4735,4736],{"class":915,"line":1169},[913,4737,1041],{"class":923},[913,4739,4740],{"class":915,"line":1192},[913,4741,4742],{"class":957}," \u002F\u002F 清理过期记录\n",[913,4744,4745,4747,4750,4752,4754],{"class":915,"line":1203},[913,4746,2189],{"class":919},[913,4748,4749],{"class":923}," valid []",[913,4751,283],{"class":934},[913,4753,1112],{"class":923},[913,4755,3520],{"class":934},[913,4757,4758,4760,4763,4765,4767],{"class":915,"line":1214},[913,4759,2201],{"class":919},[913,4761,4762],{"class":923}," _, ts ",[913,4764,1014],{"class":919},[913,4766,1953],{"class":919},[913,4768,4769],{"class":923}," sw.timestamps {\n",[913,4771,4772,4774,4777,4780],{"class":915,"line":1225},[913,4773,2663],{"class":919},[913,4775,4776],{"class":923}," ts.",[913,4778,4779],{"class":934},"After",[913,4781,4782],{"class":923},"(windowStart) {\n",[913,4784,4785,4788,4790,4792],{"class":915,"line":1231},[913,4786,4787],{"class":923}," valid ",[913,4789,1032],{"class":919},[913,4791,2222],{"class":934},[913,4793,4794],{"class":923},"(valid, ts)\n",[913,4796,4797],{"class":915,"line":1236},[913,4798,1966],{"class":923},[913,4800,4801],{"class":915,"line":1241},[913,4802,1090],{"class":923},[913,4804,4805,4808,4810],{"class":915,"line":1262},[913,4806,4807],{"class":923}," sw.timestamps ",[913,4809,1032],{"class":919},[913,4811,4812],{"class":923}," valid\n",[913,4814,4815],{"class":915,"line":1268},[913,4816,1041],{"class":923},[913,4818,4819],{"class":915,"line":1273},[913,4820,4821],{"class":957}," \u002F\u002F 检查是否超过限制\n",[913,4823,4824,4826,4828,4831,4833],{"class":915,"line":1279},[913,4825,1063],{"class":919},[913,4827,2446],{"class":934},[913,4829,4830],{"class":923},"(sw.timestamps) ",[913,4832,3329],{"class":919},[913,4834,4835],{"class":923}," sw.limit {\n",[913,4837,4838,4840],{"class":915,"line":1317},[913,4839,1081],{"class":919},[913,4841,4842],{"class":1072}," false\n",[913,4844,4845],{"class":915,"line":1330},[913,4846,1090],{"class":923},[913,4848,4849],{"class":915,"line":1339},[913,4850,1041],{"class":923},[913,4852,4853,4855,4857,4859],{"class":915,"line":1344},[913,4854,4807],{"class":923},[913,4856,1032],{"class":919},[913,4858,2222],{"class":934},[913,4860,4861],{"class":923},"(sw.timestamps, now)\n",[913,4863,4864,4866],{"class":915,"line":1357},[913,4865,1244],{"class":919},[913,4867,4868],{"class":1072}," true\n",[913,4870,4871],{"class":915,"line":1370},[913,4872,1265],{"class":923},[895,4874,4875],{"id":4875},"分布式追踪",[899,4877,4879],{"id":4878},"opentelemetry","OpenTelemetry",[904,4881,4883],{"className":906,"code":4882,"language":908,"meta":11,"style":11},"import (\n \"go.opentelemetry.io\u002Fotel\"\n \"go.opentelemetry.io\u002Fotel\u002Fexporters\u002Fjaeger\"\n \"go.opentelemetry.io\u002Fotel\u002Fsdk\u002Ftrace\"\n)\n\nfunc initTracer() func() {\n exp, err := jaeger.New(jaeger.WithCollectorEndpoint(\n jaeger.WithEndpoint(\"http:\u002F\u002Flocalhost:14268\u002Fapi\u002Ftraces\"),\n ))\n if err != nil {\n log.Fatal(err)\n }\n \n tp := trace.NewTracerProvider(\n trace.WithBatcher(exp),\n trace.WithResource(resource.NewWithAttributes(\n semconv.ServiceNameKey.String(\"my-service\"),\n )),\n )\n \n otel.SetTracerProvider(tp)\n \n return func() {\n tp.Shutdown(context.Background())\n }\n}\n\n\u002F\u002F 使用\ntracer := otel.Tracer(\"my-service\")\n\nfunc handler(ctx context.Context) {\n ctx, span := tracer.Start(ctx, \"handler\")\n defer span.End()\n \n \u002F\u002F 业务逻辑...\n \n \u002F\u002F 添加属性\n span.SetAttributes(attribute.String(\"user_id\", \"123\"))\n \n \u002F\u002F 记录事件\n span.AddEvent(\"processing started\")\n \n \u002F\u002F 调用其他服务（会传递 trace context）\n callOtherService(ctx)\n}\n",[910,4884,4885,4891,4900,4909,4918,4922,4926,4939,4960,4975,4980,4992,5003,5007,5011,5026,5037,5052,5066,5071,5076,5080,5091,5095,5103,5117,5121,5125,5129,5133,5152,5156,5178,5199,5211,5215,5220,5224,5229,5255,5259,5264,5278,5282,5287,5295],{"__ignoreMap":11},[913,4886,4887,4889],{"class":915,"line":916},[913,4888,920],{"class":919},[913,4890,924],{"class":923},[913,4892,4893,4895,4898],{"class":915,"line":927},[913,4894,931],{"class":930},[913,4896,4897],{"class":934},"go.opentelemetry.io\u002Fotel",[913,4899,938],{"class":930},[913,4901,4902,4904,4907],{"class":915,"line":941},[913,4903,931],{"class":930},[913,4905,4906],{"class":934},"go.opentelemetry.io\u002Fotel\u002Fexporters\u002Fjaeger",[913,4908,938],{"class":930},[913,4910,4911,4913,4916],{"class":915,"line":947},[913,4912,931],{"class":930},[913,4914,4915],{"class":934},"go.opentelemetry.io\u002Fotel\u002Fsdk\u002Ftrace",[913,4917,938],{"class":930},[913,4919,4920],{"class":915,"line":954},[913,4921,944],{"class":923},[913,4923,4924],{"class":915,"line":961},[913,4925,951],{"emptyLinePlaceholder":950},[913,4927,4928,4930,4933,4935,4937],{"class":915,"line":1008},[913,4929,964],{"class":919},[913,4931,4932],{"class":934}," initTracer",[913,4934,2382],{"class":923},[913,4936,964],{"class":919},[913,4938,1945],{"class":923},[913,4940,4941,4944,4946,4949,4951,4954,4957],{"class":915,"line":1026},[913,4942,4943],{"class":923}," exp, err ",[913,4945,1014],{"class":919},[913,4947,4948],{"class":923}," jaeger.",[913,4950,1667],{"class":934},[913,4952,4953],{"class":923},"(jaeger.",[913,4955,4956],{"class":934},"WithCollectorEndpoint",[913,4958,4959],{"class":923},"(\n",[913,4961,4962,4965,4968,4970,4973],{"class":915,"line":1038},[913,4963,4964],{"class":923}," jaeger.",[913,4966,4967],{"class":934},"WithEndpoint",[913,4969,970],{"class":923},[913,4971,4972],{"class":930},"\"http:\u002F\u002Flocalhost:14268\u002Fapi\u002Ftraces\"",[913,4974,2921],{"class":923},[913,4976,4977],{"class":915,"line":1044},[913,4978,4979],{"class":923}," ))\n",[913,4981,4982,4984,4986,4988,4990],{"class":915,"line":1060},[913,4983,1063],{"class":919},[913,4985,1066],{"class":923},[913,4987,1069],{"class":919},[913,4989,1073],{"class":1072},[913,4991,1005],{"class":923},[913,4993,4994,4997,5000],{"class":915,"line":1078},[913,4995,4996],{"class":923}," log.",[913,4998,4999],{"class":934},"Fatal",[913,5001,5002],{"class":923},"(err)\n",[913,5004,5005],{"class":915,"line":1087},[913,5006,1090],{"class":923},[913,5008,5009],{"class":915,"line":1093},[913,5010,1041],{"class":923},[913,5012,5013,5016,5018,5021,5024],{"class":915,"line":1098},[913,5014,5015],{"class":923}," tp ",[913,5017,1014],{"class":919},[913,5019,5020],{"class":923}," trace.",[913,5022,5023],{"class":934},"NewTracerProvider",[913,5025,4959],{"class":923},[913,5027,5028,5031,5034],{"class":915,"line":1121},[913,5029,5030],{"class":923}," trace.",[913,5032,5033],{"class":934},"WithBatcher",[913,5035,5036],{"class":923},"(exp),\n",[913,5038,5039,5041,5044,5047,5050],{"class":915,"line":1127},[913,5040,5030],{"class":923},[913,5042,5043],{"class":934},"WithResource",[913,5045,5046],{"class":923},"(resource.",[913,5048,5049],{"class":934},"NewWithAttributes",[913,5051,4959],{"class":923},[913,5053,5054,5057,5060,5062,5064],{"class":915,"line":1133},[913,5055,5056],{"class":923}," semconv.ServiceNameKey.",[913,5058,5059],{"class":934},"String",[913,5061,970],{"class":923},[913,5063,4073],{"class":930},[913,5065,2921],{"class":923},[913,5067,5068],{"class":915,"line":1139},[913,5069,5070],{"class":923}," )),\n",[913,5072,5073],{"class":915,"line":1151},[913,5074,5075],{"class":923}," )\n",[913,5077,5078],{"class":915,"line":1169},[913,5079,1041],{"class":923},[913,5081,5082,5085,5088],{"class":915,"line":1192},[913,5083,5084],{"class":923}," otel.",[913,5086,5087],{"class":934},"SetTracerProvider",[913,5089,5090],{"class":923},"(tp)\n",[913,5092,5093],{"class":915,"line":1203},[913,5094,1041],{"class":923},[913,5096,5097,5099,5101],{"class":915,"line":1214},[913,5098,1244],{"class":919},[913,5100,1942],{"class":919},[913,5102,1945],{"class":923},[913,5104,5105,5108,5111,5113,5115],{"class":915,"line":1225},[913,5106,5107],{"class":923}," tp.",[913,5109,5110],{"class":934},"Shutdown",[913,5112,1761],{"class":923},[913,5114,1764],{"class":934},[913,5116,2151],{"class":923},[913,5118,5119],{"class":915,"line":1231},[913,5120,1090],{"class":923},[913,5122,5123],{"class":915,"line":1236},[913,5124,1265],{"class":923},[913,5126,5127],{"class":915,"line":1241},[913,5128,951],{"emptyLinePlaceholder":950},[913,5130,5131],{"class":915,"line":1262},[913,5132,4305],{"class":957},[913,5134,5135,5138,5140,5143,5146,5148,5150],{"class":915,"line":1268},[913,5136,5137],{"class":923},"tracer ",[913,5139,1014],{"class":919},[913,5141,5142],{"class":923}," otel.",[913,5144,5145],{"class":934},"Tracer",[913,5147,970],{"class":923},[913,5149,4073],{"class":930},[913,5151,944],{"class":923},[913,5153,5154],{"class":915,"line":1273},[913,5155,951],{"emptyLinePlaceholder":950},[913,5157,5158,5160,5163,5165,5168,5171,5173,5176],{"class":915,"line":1279},[913,5159,964],{"class":919},[913,5161,5162],{"class":934}," handler",[913,5164,970],{"class":923},[913,5166,5167],{"class":973},"ctx",[913,5169,5170],{"class":934}," context",[913,5172,1112],{"class":923},[913,5174,5175],{"class":934},"Context",[913,5177,1314],{"class":923},[913,5179,5180,5183,5185,5188,5191,5194,5197],{"class":915,"line":1317},[913,5181,5182],{"class":923}," ctx, span ",[913,5184,1014],{"class":919},[913,5186,5187],{"class":923}," tracer.",[913,5189,5190],{"class":934},"Start",[913,5192,5193],{"class":923},"(ctx, ",[913,5195,5196],{"class":930},"\"handler\"",[913,5198,944],{"class":923},[913,5200,5201,5203,5206,5209],{"class":915,"line":1330},[913,5202,1730],{"class":919},[913,5204,5205],{"class":923}," span.",[913,5207,5208],{"class":934},"End",[913,5210,1023],{"class":923},[913,5212,5213],{"class":915,"line":1339},[913,5214,1041],{"class":923},[913,5216,5217],{"class":915,"line":1344},[913,5218,5219],{"class":957}," \u002F\u002F 业务逻辑...\n",[913,5221,5222],{"class":915,"line":1357},[913,5223,1041],{"class":923},[913,5225,5226],{"class":915,"line":1370},[913,5227,5228],{"class":957}," \u002F\u002F 添加属性\n",[913,5230,5231,5234,5237,5240,5242,5244,5247,5249,5252],{"class":915,"line":1380},[913,5232,5233],{"class":923}," span.",[913,5235,5236],{"class":934},"SetAttributes",[913,5238,5239],{"class":923},"(attribute.",[913,5241,5059],{"class":934},[913,5243,970],{"class":923},[913,5245,5246],{"class":930},"\"user_id\"",[913,5248,977],{"class":923},[913,5250,5251],{"class":930},"\"123\"",[913,5253,5254],{"class":923},"))\n",[913,5256,5257],{"class":915,"line":1385},[913,5258,1041],{"class":923},[913,5260,5261],{"class":915,"line":1390},[913,5262,5263],{"class":957}," \u002F\u002F 记录事件\n",[913,5265,5266,5268,5271,5273,5276],{"class":915,"line":1426},[913,5267,5233],{"class":923},[913,5269,5270],{"class":934},"AddEvent",[913,5272,970],{"class":923},[913,5274,5275],{"class":930},"\"processing started\"",[913,5277,944],{"class":923},[913,5279,5280],{"class":915,"line":1434},[913,5281,1041],{"class":923},[913,5283,5284],{"class":915,"line":1439},[913,5285,5286],{"class":957}," \u002F\u002F 调用其他服务（会传递 trace context）\n",[913,5288,5289,5292],{"class":915,"line":1444},[913,5290,5291],{"class":934}," callOtherService",[913,5293,5294],{"class":923},"(ctx)\n",[913,5296,5297],{"class":915,"line":1450},[913,5298,1265],{"class":923},[5300,5301,5302],"style",{},"html pre.shiki code .s8jYJ, html code.shiki .s8jYJ{--shiki-light:#D73A49;--shiki-default:#D73A49;--shiki-dark:#F97583}html pre.shiki code .sxrX7, html code.shiki .sxrX7{--shiki-light:#24292E;--shiki-default:#24292E;--shiki-dark:#E1E4E8}html pre.shiki code .sIIMD, html code.shiki .sIIMD{--shiki-light:#032F62;--shiki-default:#032F62;--shiki-dark:#9ECBFF}html pre.shiki code .snPdu, html code.shiki .snPdu{--shiki-light:#6F42C1;--shiki-default:#6F42C1;--shiki-dark:#B392F0}html pre.shiki code .sCsY4, html code.shiki .sCsY4{--shiki-light:#6A737D;--shiki-default:#6A737D;--shiki-dark:#6A737D}html pre.shiki code .sP4rz, html code.shiki .sP4rz{--shiki-light:#E36209;--shiki-default:#E36209;--shiki-dark:#FFAB70}html pre.shiki code .sBjJW, html code.shiki .sBjJW{--shiki-light:#005CC5;--shiki-default:#005CC5;--shiki-dark:#79B8FF}html .light .shiki span {color: var(--shiki-light);background: var(--shiki-light-bg);font-style: var(--shiki-light-font-style);font-weight: var(--shiki-light-font-weight);text-decoration: var(--shiki-light-text-decoration);}html.light .shiki span {color: var(--shiki-light);background: var(--shiki-light-bg);font-style: var(--shiki-light-font-style);font-weight: var(--shiki-light-font-weight);text-decoration: var(--shiki-light-text-decoration);}html .default .shiki span {color: var(--shiki-default);background: var(--shiki-default-bg);font-style: var(--shiki-default-font-style);font-weight: var(--shiki-default-font-weight);text-decoration: var(--shiki-default-text-decoration);}html .shiki span {color: var(--shiki-default);background: var(--shiki-default-bg);font-style: var(--shiki-default-font-style);font-weight: var(--shiki-default-font-weight);text-decoration: var(--shiki-default-text-decoration);}html .dark .shiki span {color: var(--shiki-dark);background: var(--shiki-dark-bg);font-style: var(--shiki-dark-font-style);font-weight: var(--shiki-dark-font-weight);text-decoration: var(--shiki-dark-text-decoration);}html.dark .shiki span {color: var(--shiki-dark);background: var(--shiki-dark-bg);font-style: var(--shiki-dark-font-style);font-weight: var(--shiki-dark-font-weight);text-decoration: var(--shiki-dark-text-decoration);}",{"title":11,"searchDepth":927,"depth":927,"links":5304},[5305,5309,5314,5318,5322],{"id":897,"depth":927,"text":897,"children":5306},[5307,5308],{"id":901,"depth":941,"text":902},{"id":1566,"depth":941,"text":1566},{"id":2259,"depth":927,"text":2259,"children":5310},[5311,5312,5313],{"id":2262,"depth":941,"text":2262},{"id":2463,"depth":941,"text":2463},{"id":2755,"depth":941,"text":2755},{"id":3385,"depth":927,"text":3385,"children":5315},[5316,5317],{"id":3388,"depth":941,"text":3388},{"id":3995,"depth":941,"text":3996},{"id":4373,"depth":927,"text":4373,"children":5319},[5320,5321],{"id":4376,"depth":941,"text":4376},{"id":4523,"depth":941,"text":4523},{"id":4875,"depth":927,"text":4875,"children":5323},[5324],{"id":4878,"depth":941,"text":4879},"md",{},{"title":188,"description":189},"golang\u002Fdistributed\u002Fmicroservice","BSydEYAmW5Fns4rWRN7A4Oo8MUG-0LToeffkmFK810M",1775496424656]