技术经验谈
xugaoyi
2021-07-26
目录

springcloud alibaba

# Spring Cloud Alibaba

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# 1简介

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巨头间的商业战争

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# 是什么

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# 能干啥

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# 资料

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# 2 Nacos 服务注册和配置中心

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# 2.1 简介

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# 2.2 安装运行

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默认账号密码均为nacos

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# 2.3 作为注册中心演示

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# 注册中心对比

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# 2.4 用作配置中心

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# 2.4.1 基础配置

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# 2.4.2 分类配置

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# dataID

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# groupID

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# namespace

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# 2.5 集群和持久化配置

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VIP：虚拟ip， nginx提供

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# 生产环境部署

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# 3 sentinel

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# 控制台

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# 演示工程

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# 流控

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# 直接

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# 关联

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# 链路

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# 3.4 流控效果

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# 预热

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# 排队

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# 3.5 熔断降级

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# RT

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# 异常比例

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# 异常数

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5次后

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# 3.6 热点key限流

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如果去掉blockhandler

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# 参数例外项

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# 3.7 系统规则/自适应限流

一般不用，而是在网关层面统一配置

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# 3.8 sentinelResource注解

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# 3.8.1 按资源名称限流

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# 3.8.2 按url地址限流

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# 3.8.3 问题

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# 3.8.4 自定义限流处理逻辑

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# 3.8.5 更多属性说明

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# 3.9 熔断

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# 两个同时配置:

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同时满足时,

sentinel优先

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# 异常忽略

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# 3.10 结合openfeign使用

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对应调用的就是:

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降级配置:

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controller层

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# 3.11 熔断框架比较

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# 3.11 规则持久化

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# 4 分布式事务 Seata

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# seata简介

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http://seata.io/zh-cn/

# 1+3套件

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# 4.2 使用

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# 4.3 安装

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建库建表

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# 4.4 准备业务数据库

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# 4.5 业务开发

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# 4.7 test

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# 正常下单

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# 异常,且没加事务

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# 加上事务

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没有数据插入

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# 4.8 seata原理补充

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# 断点debug

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反向sql-> 反向补偿

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全局表

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# 5 面试题预告

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编辑 (opens new window)
上次更新: 2022/08/16, 20:05:05
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