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Description: 「Java学习+面试指南」一份涵盖大部分 Java 程序员所需要掌握的核心知识。准备 Java 面试，首选 JavaGuide！ - GitHub - null-1024/JavaGuide at master

Open Graph Description: 「Java学习+面试指南」一份涵盖大部分 Java 程序员所需要掌握的核心知识。准备 Java 面试，首选 JavaGuide！ - GitHub - null-1024/JavaGuide at master

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《JavaGuide 面试突击版》PDF 版本	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/tree/master#%E5%85%AC%E4%BC%97%E5%8F%B7
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《Java面试进阶指北》	https://www.yuque.com/docs/share/f37fc804-bfe6-4b0d-b373-9c462188fec7
	https://github.com/Snailclimb/JavaGuide
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	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/tree/master#基础
Java 基础知识点/面试题总结	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/blob/master/docs/java/basis/java%E5%9F%BA%E7%A1%80%E7%9F%A5%E8%AF%86%E6%80%BB%E7%BB%93.md
什么是反射机制？反射机制的应用场景有哪些？	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/blob/master/docs/java/basis/%E5%8F%8D%E5%B0%84%E6%9C%BA%E5%88%B6%E8%AF%A6%E8%A7%A3.md
代理模式详解：静态代理+JDK/CGLIB 动态代理实战	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/blob/master/docs/java/basis/%E4%BB%A3%E7%90%86%E6%A8%A1%E5%BC%8F%E8%AF%A6%E8%A7%A3.md
常见的 IO 模型有哪些？Java 中的 BIO、NIO、AIO 有啥区别?	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/blob/master/docs/java/basis/java%E5%9F%BA%E7%A1%80%E7%9F%A5%E8%AF%86%E6%80%BB%E7%BB%93
	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/tree/master#集合
Java 集合常见问题总结	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/blob/master/docs/java/collection/java%E9%9B%86%E5%90%88%E6%A1%86%E6%9E%B6%E5%9F%BA%E7%A1%80%E7%9F%A5%E8%AF%86&%E9%9D%A2%E8%AF%95%E9%A2%98%E6%80%BB%E7%BB%93.md
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	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/tree/master#并发
Java 并发基础常见面试题总结	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/blob/master/docs/java/concurrent/java%E5%B9%B6%E5%8F%91%E5%9F%BA%E7%A1%80%E5%B8%B8%E8%A7%81%E9%9D%A2%E8%AF%95%E9%A2%98%E6%80%BB%E7%BB%93.md
Java 并发进阶常见面试题总结	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/blob/master/docs/java/concurrent/java%E5%B9%B6%E5%8F%91%E8%BF%9B%E9%98%B6%E5%B8%B8%E8%A7%81%E9%9D%A2%E8%AF%95%E9%A2%98%E6%80%BB%E7%BB%93.md
Java 线程池学习总结	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/blob/master/docs/java/concurrent/java%E7%BA%BF%E7%A8%8B%E6%B1%A0%E5%AD%A6%E4%B9%A0%E6%80%BB%E7%BB%93.md
拿来即用的 Java 线程池最佳实践	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/blob/master/docs/java/concurrent/%E6%8B%BF%E6%9D%A5%E5%8D%B3%E7%94%A8%E7%9A%84java%E7%BA%BF%E7%A8%8B%E6%B1%A0%E6%9C%80%E4%BD%B3%E5%AE%9E%E8%B7%B5.md
ThreadLocal 关键字解析	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/blob/master/docs/java/concurrent/threadlocal.md
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Atomic 原子类总结	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/blob/master/docs/java/concurrent/atomic%E5%8E%9F%E5%AD%90%E7%B1%BB%E6%80%BB%E7%BB%93.md
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	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/tree/master#jvm-必看-1
JVM 虚拟机规范-Java8	https://docs.oracle.com/javase/specs/jvms/se8/html/index.html
《深入理解Java虚拟机（第3版）》	https://book.douban.com/subject/34907497/
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类文件结构	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/blob/master/docs/java/jvm/%E7%B1%BB%E6%96%87%E4%BB%B6%E7%BB%93%E6%9E%84.md
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【待完成】最重要的 JVM 参数总结（翻译完善了一半）	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/blob/master/docs/java/jvm/jvm%E5%8F%82%E6%95%B0%E6%8C%87%E5%8D%97.md
【加餐】大白话带你认识 JVM	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/blob/master/docs/java/jvm/%5B%E5%8A%A0%E9%A4%90%5D%E5%A4%A7%E7%99%BD%E8%AF%9D%E5%B8%A6%E4%BD%A0%E8%AE%A4%E8%AF%86jvm.md
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Java 8 新特性总结	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/blob/master/docs/java/new-features/Java8%E6%96%B0%E7%89%B9%E6%80%A7%E6%80%BB%E7%BB%93.md
Java8常用新特性总结	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/blob/master/docs/java/new-features/java8-common-new-features.md
一文带你看遍 JDK9~15 的重要新特性！	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/blob/master/docs/java/new-features/java%E6%96%B0%E7%89%B9%E6%80%A7%E6%80%BB%E7%BB%93.md
	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/tree/master#小技巧
JAD 反编译	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/blob/master/docs/java/tips/JAD%E5%8F%8D%E7%BC%96%E8%AF%91tricks.md
手把手教你定位常见 Java 性能问题	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/blob/master/docs/java/tips/locate-performance-problems/%E6%89%8B%E6%8A%8A%E6%89%8B%E6%95%99%E4%BD%A0%E5%AE%9A%E4%BD%8D%E5%B8%B8%E8%A7%81Java%E6%80%A7%E8%83%BD%E9%97%AE%E9%A2%98.md
	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/tree/master#计算机基础
图解计算机基础 PDF 下载	https://mp.weixin.qq.com/s?__biz=Mzg2OTA0Njk0OA==&mid=100021725&idx=1&sn=2db9664ca25363139a81691043e9fd8f&chksm=4ea19a1679d61300d8990f7e43bfc7f476577a81b712cf0f9c6f6552a8b219bc081efddb5c54#rd
	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/tree/master#操作系统
操作系统常见问题总结！	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/blob/master/docs/cs-basics/operating-system/basis.md
后端程序员必备的 Linux 基础知识总结	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/blob/master/docs/cs-basics/operating-system/linux.md
Shell 编程入门	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/blob/master/docs/cs-basics/operating-system/Shell.md
	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/tree/master#网络
计算机网络常见面试题	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/blob/master/docs/cs-basics/network/%E8%AE%A1%E7%AE%97%E6%9C%BA%E7%BD%91%E7%BB%9C.md
计算机网络基础知识总结	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/blob/master/docs/cs-basics/network/%E8%AE%A1%E7%AE%97%E6%9C%BA%E7%BD%91%E7%BB%9C%E7%9F%A5%E8%AF%86%E6%80%BB%E7%BB%93.md
	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/tree/master#数据结构
线性数据结构 :数组、链表、栈、队列	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/blob/master/docs/cs-basics/data-structure/%E7%BA%BF%E6%80%A7%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84.md
图	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/blob/master/docs/cs-basics/data-structure/%E5%9B%BE.md
堆	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/blob/master/docs/cs-basics/data-structure/%E5%A0%86.md
树	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/blob/master/docs/cs-basics/data-structure/%E6%A0%91.md
红黑树	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/blob/master/docs/cs-basics/data-structure/%E7%BA%A2%E9%BB%91%E6%A0%91.md
布隆过滤器	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/blob/master/docs/cs-basics/data-structure/bloom-filter.md
	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/tree/master#算法
算法学习书籍+资源推荐	https://www.zhihu.com/question/323359308/answer/1545320858
如何刷Leetcode?	https://www.zhihu.com/question/31092580/answer/1534887374
几道常见的字符串算法题总结	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/blob/master/docs/cs-basics/algorithms/%E5%87%A0%E9%81%93%E5%B8%B8%E8%A7%81%E7%9A%84%E5%AD%97%E7%AC%A6%E4%B8%B2%E7%AE%97%E6%B3%95%E9%A2%98.md
几道常见的链表算法题总结	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/blob/master/docs/cs-basics/algorithms/%E5%87%A0%E9%81%93%E5%B8%B8%E8%A7%81%E7%9A%84%E9%93%BE%E8%A1%A8%E7%AE%97%E6%B3%95%E9%A2%98.md
剑指 offer 部分编程题	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/blob/master/docs/cs-basics/algorithms/%E5%89%91%E6%8C%87offer%E9%83%A8%E5%88%86%E7%BC%96%E7%A8%8B%E9%A2%98.md
GeeksforGeeks	https://www.geeksforgeeks.org/fundamentals-of-algorithms/
	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/tree/master#数据库
	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/tree/master#mysql
数据库基础知识总结	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/blob/master/docs/database/%E6%95%B0%E6%8D%AE%E5%BA%93%E5%9F%BA%E7%A1%80%E7%9F%A5%E8%AF%86.md
MySQL知识点总结	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/blob/master/docs/database/mysql/mysql%E7%9F%A5%E8%AF%86%E7%82%B9&%E9%9D%A2%E8%AF%95%E9%A2%98%E6%80%BB%E7%BB%93.md
一千行 MySQL 学习笔记	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/blob/master/docs/database/mysql/a-thousand-lines-of-mysql-study-notes.md
MySQL 高性能优化规范建议	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/blob/master/docs/database/mysql/mysql-high-performance-optimization-specification-recommendations.md
MySQL数据库索引总结	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/blob/master/docs/database/mysql/mysql-index.md
事务隔离级别(图文详解)	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/blob/master/docs/database/mysql/transaction-isolation-level.md
MySQL三大日志(binlog、redo log和undo log)详解	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/blob/master/docs/database/mysql/mysql-logs.md
InnoDB存储引擎对MVCC的实现	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/blob/master/docs/database/mysql/innodb-implementation-of-mvcc.md
一条 SQL 语句在 MySQL 中如何被执行的?	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/blob/master/docs/database/mysql/how-sql-executed-in-mysql.md
字符集详解：为什么不建议在MySQL中使用 utf8 ？	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/blob/master/docs/database/%E5%AD%97%E7%AC%A6%E9%9B%86.md
关于数据库中如何存储时间的一点思考	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/blob/master/docs/database/mysql/some-thoughts-on-database-storage-time.md
	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/tree/master#redis
Redis 常见问题总结	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/blob/master/docs/database/redis/redis-all.md
3种常用的缓存读写策略	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/blob/master/docs/database/redis/3-commonly-used-cache-read-and-write-strategies.md
	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/tree/master#搜索引擎
	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/tree/master#系统设计
	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/tree/master#系统设计必备基础
	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/tree/master#restful-api
RestFul API 简明教程	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/blob/master/docs/system-design/basis/RESTfulAPI.md
	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/tree/master#命名
Java 命名之道	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/blob/master/docs/system-design/naming.md
	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/tree/master#常用框架
《J2EE 基础知识》	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/blob/master/docs/system-design/J2EE%E5%9F%BA%E7%A1%80%E7%9F%A5%E8%AF%86.md
	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/tree/master#springspringboot-必看-1
Spring 常见问题总结	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/blob/master/docs/system-design/framework/spring/Spring%E5%B8%B8%E8%A7%81%E9%97%AE%E9%A2%98%E6%80%BB%E7%BB%93.md
SpringBoot 入门指南	https://github.com/Snailclimb/springboot-guide
Spring/Spring Boot 常用注解总结！安排！	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/blob/master/docs/system-design/framework/spring/Spring&SpringBoot%E5%B8%B8%E7%94%A8%E6%B3%A8%E8%A7%A3%E6%80%BB%E7%BB%93.md
Spring 事务总结	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/blob/master/docs/system-design/framework/spring/Spring%E4%BA%8B%E5%8A%A1%E6%80%BB%E7%BB%93.md
Spring 中都用到了那些设计模式?	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/blob/master/docs/system-design/framework/spring/Spring%E8%AE%BE%E8%AE%A1%E6%A8%A1%E5%BC%8F%E6%80%BB%E7%BB%93.md
SpringBoot 自动装配原理？”	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/blob/master/docs/system-design/framework/spring/SpringBoot%E8%87%AA%E5%8A%A8%E8%A3%85%E9%85%8D%E5%8E%9F%E7%90%86.md
	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/tree/master#mybatis
MyBatis 常见面试题总结	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/blob/master/docs/system-design/framework/mybatis/mybatis-interview.md
	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/tree/master#spring-cloud
大白话入门 Spring Cloud	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/blob/master/docs/system-design/framework/springcloud/springcloud-intro.md
	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/tree/master#安全
	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/tree/master#认证授权
《认证授权基础》	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/blob/master/docs/system-design/security/basis-of-authority-certification.md
JWT 优缺点分析以及常见问题解决方案	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/blob/master/docs/system-design/security/jwt%E4%BC%98%E7%BC%BA%E7%82%B9%E5%88%86%E6%9E%90%E4%BB%A5%E5%8F%8A%E5%B8%B8%E8%A7%81%E9%97%AE%E9%A2%98%E8%A7%A3%E5%86%B3%E6%96%B9%E6%A1%88.md
适合初学者入门 Spring Security With JWT 的 Demo	https://github.com/Snailclimb/spring-security-jwt-guide
SSO 单点登录看这篇就够了！	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/blob/master/docs/system-design/security/sso-intro.md
	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/tree/master#数据脱敏
	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/tree/master#定时任务
《Java定时任务大揭秘》	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/blob/master/docs/system-design/%E5%AE%9A%E6%97%B6%E4%BB%BB%E5%8A%A1.md
	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/tree/master#分布式
	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/tree/master#cap-理论和-base-理论
CAP 理论和 BASE 理论解读	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/blob/master/docs/distributed-system/%E7%90%86%E8%AE%BA&%E7%AE%97%E6%B3%95/cap&base%E7%90%86%E8%AE%BA.md
	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/tree/master#paxos-算法和-raft-算法
	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/tree/master#rpc
Dubbo 常见问题总结	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/blob/master/docs/distributed-system/rpc/dubbo.md
服务之间的调用为啥不直接用 HTTP 而用 RPC？	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/blob/master/docs/distributed-system/rpc/why-use-rpc.md
	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/tree/master#api-网关
为什么要网关？你知道有哪些常见的网关系统？	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/blob/master/docs/distributed-system/api-gateway.md
百亿规模API网关服务Shepherd的设计与实现	https://tech.meituan.com/2021/05/20/shepherd-api-gateway.html
	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/tree/master#分布式-id
为什么要分布式 id ？分布式 id 生成方案有哪些？	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/blob/master/docs/distributed-system/distributed-id.md
	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/tree/master#分布式事务
	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/tree/master#分布式协调
【入门】ZooKeeper 相关概念总结	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/blob/master/docs/distributed-system/%E5%88%86%E5%B8%83%E5%BC%8F%E5%8D%8F%E8%B0%83/zookeeper/zookeeper-intro.md
【进阶】ZooKeeper 相关概念总结	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/blob/master/docs/distributed-system/%E5%88%86%E5%B8%83%E5%BC%8F%E5%8D%8F%E8%B0%83/zookeeper/zookeeper-plus.md
【实战】ZooKeeper 实战	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/blob/master/docs/distributed-system/%E5%88%86%E5%B8%83%E5%BC%8F%E5%8D%8F%E8%B0%83/zookeeper/zookeeper-in-action.md
	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/tree/master#高性能
	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/tree/master#消息队列
消息队列常见问题总结	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/blob/master/docs/high-performance/message-queue/message-queue.md
RabbitMQ 入门	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/blob/master/docs/high-performance/message-queue/rabbitmq-intro.md
RocketMQ 入门	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/blob/master/docs/high-performance/message-queue/rocketmq-intro
RocketMQ 的几个简单问题与答案	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/blob/master/docs/high-performance/message-queue/rocketmq-questions.md
Kafka 常见问题总结	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/blob/master/docs/high-performance/message-queue/kafka%E7%9F%A5%E8%AF%86%E7%82%B9&%E9%9D%A2%E8%AF%95%E9%A2%98%E6%80%BB%E7%BB%93.md
	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/tree/master#读写分离分库分表
读写分离&分库分表常见问题总结	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/blob/master/docs/high-performance/%E8%AF%BB%E5%86%99%E5%88%86%E7%A6%BB&%E5%88%86%E5%BA%93%E5%88%86%E8%A1%A8.md
	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/tree/master#负载均衡
	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/tree/master#高可用
如何设计一个高可用系统？要考虑哪些地方？	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/blob/master/docs/high-availability/%E9%AB%98%E5%8F%AF%E7%94%A8%E7%B3%BB%E7%BB%9F%E8%AE%BE%E8%AE%A1.md
	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/tree/master#限流
何为限流？限流算法有哪些？	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/blob/master/docs/high-availability/limit-request.md
	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/tree/master#降级
	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/tree/master#熔断
	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/tree/master#排队
	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/tree/master#集群
	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/tree/master#超时和重试机制
	https://patch-diff.githubusercontent.com/null-1024/JavaGuide/tree/master#灾备设计和异地多活
搞懂异地多活，看这篇就够了	https://mp.weixin.qq.com/s/T6mMDdtTfBuIiEowCpqu6Q
四步构建异地多活	https://mp.weixin.qq.com/s/hMD-IS__4JE5_nQhYPYSTg
《从零开始学架构》— 28 \| 业务高可用的保障：异地多活架构	http://gk.link/a/10pKZ
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