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Title: GitHub - a-dev-90/java-notes: 自己的学习笔记。包含：个人秋招经历、🐂客面经问题按照频率总结、Java一系列知识、数据库、分布式、微服务、前端、技术面试、每日文章等(持续更新)

Open Graph Title: GitHub - a-dev-90/java-notes: 自己的学习笔记。包含：个人秋招经历、🐂客面经问题按照频率总结、Java一系列知识、数据库、分布式、微服务、前端、技术面试、每日文章等(持续更新)

X Title: GitHub - a-dev-90/java-notes: 自己的学习笔记。包含：个人秋招经历、🐂客面经问题按照频率总结、Java一系列知识、数据库、分布式、微服务、前端、技术面试、每日文章等(持续更新)

Description: 自己的学习笔记。包含：个人秋招经历、🐂客面经问题按照频率总结、Java一系列知识、数据库、分布式、微服务、前端、技术面试、每日文章等(持续更新) - a-dev-90/java-notes

Open Graph Description: 自己的学习笔记。包含：个人秋招经历、🐂客面经问题按照频率总结、Java一系列知识、数据库、分布式、微服务、前端、技术面试、每日文章等(持续更新) - a-dev-90/java-notes

X Description: 自己的学习笔记。包含：个人秋招经历、🐂客面经问题按照频率总结、Java一系列知识、数据库、分布式、微服务、前端、技术面试、每日文章等(持续更新) - a-dev-90/java-notes

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面渣逆袭：JVM 经典五十问，这下面试稳了！https://mp.weixin.qq.com/s/XYsEJyIo46jXhHE1sOR_0Q
https://patch-diff.githubusercontent.com/a-dev-90/java-notes#-数据库
分页场景（limit,offset）为什么会慢？https://mp.weixin.qq.com/s/CfcU1rde3SkDlvCJGXnK7A
谈谈 MySQL 锁https://toutiao.io/k/z5c0vp0
好代码实践：基于 Redis 的轻量级分布式均衡消费队列https://mp.weixin.qq.com/s/2cOhU3L88E3_ZV3ywl136A
Redis 入门：Redis 概念和基础 (查看原文)https://toutiao.io/k/47fg3nq
Innodb 中的事务隔离级别和锁的关系https://tech.meituan.com/2014/08/20/innodb-lock.html
MySQL 索引原理及慢查询优化https://tech.meituan.com/2014/06/30/mysql-index.html
浅谈分库分表那些事儿https://mp.weixin.qq.com/s/X6FI9Ci7ZXGDNDCkh2VnNA
MySQL 与 Redis 缓存的同步方案https://segmentfault.com/a/1190000039915710
我面试几乎必问：你设计索引的原则是什么？怎么避免索引失效？https://www.cnblogs.com/hollischuang/p/14749826.html
分区取模分库分表策略：多表事务分库内闭环解决方案https://mp.weixin.qq.com/s/4S_BhPtIMikefPJLo5498Q
亿级系统的 Redis 缓存如何设计？？？https://mp.weixin.qq.com/s/mc1zzjy5fEbXCxwhJoWA2Q
美团二面：Redis 与 MySQL 双写一致性如何保证？https://juejin.cn/post/6964531365643550751
索引失效的场景有哪些？索引何时会失效？https://segmentfault.com/a/1190000040066409
看完这篇还不懂 MySQL 主从复制，可以回家躺平了～https://www.cnblogs.com/qianyueric/p/14822012.html
快速了解缓存穿透与缓存雪崩https://blog.csdn.net/y277an/article/details/97457358?spm=1001.2014.3001.5501
面试题：mysql 一棵 B+ 树能存多少条数据？https://mp.weixin.qq.com/s/IdpY7CPxyqRNx3BYYxl2Ow
为什么磁盘存储引擎用 b+树来作为索引结构？https://mp.weixin.qq.com/s/8gDVqlywLBl-MZa6XrtXug
源码级别了解 Redis 持久化https://segmentfault.com/a/1190000040186654
大厂经典面试题：Redis 为什么这么快？https://juejin.cn/post/6978280894704386079
一文了解数据拆分与分库分表https://mp.weixin.qq.com/s/LDUWmEb8z5mTjPZLlJ1iVw
【redis 前传】zset 如何解决内部链表查找效率低下|跳表构建https://juejin.cn/post/6983810713055658015
值得收藏，揭秘 MySQL 多版本并发控制实现原理https://mp.weixin.qq.com/s/OYDfxgzNAOUGFILGk__CBQ
慢 SQL 排查思路？就这。https://mp.weixin.qq.com/s/3yki4dljbLMgnOVrsqbk8w
42 张图带你撸完 MySQL 优化https://www.cnblogs.com/cxuanBlog/p/15059928.html
容易引起雪崩的两个处理http://mtw.so/6iZInk
一个 MySQL 锁和面试官大战三十回合，我霸中霸！https://mp.weixin.qq.com/s/VjsQR_co2oM11EywegZrMw
五分钟搞懂 MySQL 索引下推https://mp.weixin.qq.com/s/iQnArUNIsZFzVCj90MZjyg
干货-16 张图吃透 Redis 架构演进https://jishuin.proginn.com/p/763bfbd4d516
慢 sql 治理经典案例分享https://mp.weixin.qq.com/s/WyfRV-7sK_O8pxDZbPXQtQ
基于代价的慢查询优化建议https://mp.weixin.qq.com/s/MaQTI4afIh2Zehc-F-iisQ
https://patch-diff.githubusercontent.com/a-dev-90/java-notes#-分布式中间件
分布式系统互斥性与幂等性问题的分析与解决https://tech.meituan.com/2016/09/29/distributed-system-mutually-exclusive-idempotence-cerberus-gtis.html
一文搞懂分布式锁的原理与实现https://mp.weixin.qq.com/s/CiqQT4U3_NPbrBhGR6wAvQ
【万级并发】电商库存扣减如何设计？不超卖！https://mp.weixin.qq.com/s/jJTIBL8unJ-IRbDqgREsCw
七种分布式事务的解决方案，一次讲给你听http://mrw.so/5WvneB
服务端如何防止重复支付https://juejin.cn/post/6956790589606068232
为什么大厂服务并发高却很稳定？分布式服务熔断降级限流利器至 Hystrixhttps://juejin.cn/post/6955201079017472014
SpringBoot + Redis 分布式锁：模拟抢单https://mp.weixin.qq.com/s/g7NbrelsUhYg8pVO96Ui1g
消息队列如何确保消息的有序性？http://mtw.so/69rjv8
听叔一句劝，消息队列的水太深，你把握不住！https://mp.weixin.qq.com/s/E5FWKPPhRBNhWaOiu2cXsQ
丢，隔壁的老哥又让我用分布式锁https://mp.weixin.qq.com/s/v7xpp9Iu8apgsSOf2xkyyA
详解 Apache Dubbo 的 SPI 实现机制http://mtw.so/6vZwy9
携程最终一致和强一致性缓存实践https://mp.weixin.qq.com/s/E-chAZyHtaZOdA19mW59-Q
基于 Redis 的分布式锁设计https://www.cnblogs.com/xiaoxiaotank/p/14982602.html
分布式系统中一致性哈希算法https://www.cnblogs.com/jajian/p/10896624.html
消息幂等（去重）如何解决？来看看这个方案！https://mp.weixin.qq.com/s/kLb1pweomL19aGaiHjO3Fg
Guava Cache 原理分析与最佳实践https://mp.weixin.qq.com/s/ADcu_XKTJxXectMQ8S20SQ
万字长文说透分布式锁https://mp.weixin.qq.com/s/35aCS_5GqLyzZS3VobL6fg
高并发整体可用性：一文详解降级、限流和熔断https://mp.weixin.qq.com/s/-E3RupBNVia0qfph-iOo1w
Kafka 为什么要放弃 Zookeeperhttps://mp.weixin.qq.com/s/0dHPu8O70v69mVuM4--HfA
https://patch-diff.githubusercontent.com/a-dev-90/java-notes#-数据结构
常见的初级排序算法，这次全搞懂https://mp.weixin.qq.com/s/neol2vvmA_uXGbndKec1hw
字节跳动最爱考的 64 道算法题（JS 版）https://juejin.cn/post/6947842412102287373
MySQL 索引底层：B+树详解https://mp.weixin.qq.com/s/JqaN_1GPiqRQzXt2AizmdA
红黑树深入剖析及 Java 实现https://tech.meituan.com/2016/12/02/redblack-tree.html
牛逼哄哄的 BitMap，到底牛逼在哪？https://juejin.cn/post/6953821179836629005
布隆过滤器https://www.wolai.com/dreamcat/iPRdAMVPcCJqiZ9gBd3Jvd?theme=dark
实现 LRU 缓存机制https://mp.weixin.qq.com/s/ZziTk_ZwHRRaIgorarJMhQ
实现 LFU 缓存机制https://mp.weixin.qq.com/s/Eyu1sKzrajttiQ0DxP5Q3w
https://patch-diff.githubusercontent.com/a-dev-90/java-notes#-计算机网络
GET 和 POST 请求的本质区别是什么？原来我一直理解错了https://segmentfault.com/a/1190000039905721
懵了！有了 HTTP，为什么还要 RPChttp://mtw.so/6otjBG
“三次握手，四次挥手”这么讲，保证你忘不了https://mp.weixin.qq.com/s/QxY2Y8BhGTaGgOG1dyRuFg
超详细 DNS 协议解析https://juejin.cn/post/6919755385330991112
傻傻分不清之 Cookie、Session、Token、JWThttps://juejin.cn/post/6844904034181070861
简略图解：输入 url 到出现页面，浏览器做了什么？https://zhuanlan.zhihu.com/p/402559256
https://patch-diff.githubusercontent.com/a-dev-90/java-notes#️-操作系统
逛到底层看 NIO 的零拷贝https://mp.weixin.qq.com/s/Oc787q5cK_83t5B6h631DQ
进程、线程与协程傻傻分不清？一文带你吃透！https://mp.weixin.qq.com/s/jhOSjVyRA6rNKqVT2pKMIQ
虚拟内存的那点事儿https://juejin.cn/post/6844903507594575886
今晚：CPU 核数与线程数有什么关系？https://mp.weixin.qq.com/s/Tp680dfOB7Zb6xlXSay7XA
谈谈操作系统的多进程https://www.cnblogs.com/zhaozhibo/p/15109430.html
阿里二面：什么是 mmap？https://mp.weixin.qq.com/s/czMlM6xuuyq2XlU_FB9aVQ
https://patch-diff.githubusercontent.com/a-dev-90/java-notes#-效率工具
图床，uPic 和阿里 oss 搭建与使用https://juejin.cn/post/7010985866185146399
你的文件需要 git，详细安装与使用（一）https://juejin.cn/post/7011413073881727013
你的文件需要 git，常用命令（二）https://tc.dreamcat.ink/archives/18.html
mac 解决移动文件的痛点-yoinkhttps://juejin.cn/post/7017382028865699877
管理图床-oss-browser https://juejin.cn/post/7026587086920613896/
时而花里胡哨，时而朴实无华-iterm2 https://juejin.cn/post/7026924031056019486/
及时推送-RSSHubhttps://juejin.cn/post/7028022886380077093/
vim 编程-初探（一）https://juejin.cn/post/7028887363266805773/
vim 编程-优雅（二）https://juejin.cn/post/7033966288863133732/
https://patch-diff.githubusercontent.com/a-dev-90/java-notes#-源码阅读
闲不下来-nginx 是什么？（一）https://juejin.cn/post/7012491394979725349
闲不下来-nginx 环境搭建（二）https://juejin.cn/post/7012922394478116900
闲不下来-nginx 源码全局认知（三）https://juejin.cn/post/7018372907780800526
闲不下来-nginx 配置文件（四）https://juejin.cn/user/2928754709248584
闲不下来-nginx 基本数据结构（五）https://juejin.cn/post/7025426746228867102/
闲不下来-nginx 数组结构（六）https://juejin.cn/post/7026253473184219150/
闲不下来-nginx 链表结构（七）https://juejin.cn/post/7031466605297008647/
闲不下来-nginx 队列结构（八）https://juejin.cn/post/7045147643555069988/
https://patch-diff.githubusercontent.com/a-dev-90/java-notes#-我学设计模式
我学设计模式-单例模式https://juejin.cn/post/7016615747073867784
我学设计模式-工厂模式https://juejin.cn/post/7020608341969731591
https://patch-diff.githubusercontent.com/a-dev-90/java-notes#-场景题
如何设计一个 map（一）https://blog.heiye.site/article/5d07538f.html
如何设计一个并发 map（二）https://blog.heiye.site/article/e46dcc51.html
如何设计一个 LRU（三）https://blog.heiye.site/article/bb676e1b.html
如何设计一个布隆过滤器（四）https://blog.heiye.site/article/4662309e.html
如何设计一个幂等方案（五）https://blog.heiye.site/article/792e9ab.html
如何设计一个读写锁（六）https://blog.heiye.site/article/cec40f04.html
如何设计一个分布式锁（七）https://blog.heiye.site/article/aa3f1514.html
如何设计一个乐观锁（八）https://blog.heiye.site/article/f57ca5bc.html
二维码扫描登录的原理（九）https://blog.heiye.site/article/6f6c8f0a.html
手机验证码登录原理（十）https://blog.heiye.site/article/b0bd063d.html
手机号码一键登录原理（十一）https://blog.heiye.site/article/de27e5eb.html
app 手机号码登录区分新用户（十二）https://blog.heiye.site/article/d3bfb199.html
订单过期自动更新状态（十三）https://blog.heiye.site/article/f567d34f.html
基于 Redis 计数器的实现（十四）https://blog.heiye.site/article/5fc6d5d6.html
MySQL 分页查询优化（十五）https://blog.heiye.site/article/121835cc.html
基于 Golang 实现的漏桶算法（十六）https://blog.heiye.site/article/7c4f38da.html
基于 Golang 实现的令牌桶算法（十七）https://blog.heiye.site/article/112f9fb6.html
如何设计拼单服务（十八）https://blog.heiye.site/article/7bba2c37.html
如何设计短链服务（十九）https://blog.heiye.site/article/7de561a6.html
如何设计视频弹幕服务（二十）https://blog.heiye.site/article/9a691261.html
MySQL 并发事务写引发的问题（二十一）https://blog.heiye.site/article/3e3b3d85.html
高并发热 key 的问题（二十二）https://blog.heiye.site/article/d2e3e1b2.html
高并发情况下如何扣减库存（二十三） https://blog.heiye.site/article/6d6a84b3.html
https://patch-diff.githubusercontent.com/a-dev-90/java-notes#-与我联系
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