Introduction The Internet changes the ways in which companies handle their day-to-day business and how they compete in the marketplace. With the advent of new Web technologies and an increase in the number of customers accessing resources that are av…

Introduction The Internet changes the ways in which companies handle their day-to-day business and how they compete in the marketplace. With the advent of new Web technologies and an increase in the number of customers accessing resources that are av…

The name "etcd" originated from two ideas, the unix "/etc" folder and "d"istributed systems. The "/etc" folder is a place to store configuration data for a single system whereas etcd stores configuration information…

前言 博主在工作过程中经常接触到ETCD,搜索相关资料的时候发现排名最高的是一篇图片全是404的转载文章,后来看到了原文,感觉有义务让更多的人看到这样的精品文章,所以进行了转载. 原文发布在infoQ,原文链接:http://www.infoq.com/cn/articles/etcd-interpretation-application-scenario-implement-principle 摘要 随着CoreOS和Kubernetes等项目在开源社区日益火热,它们项目中都用到的etcd组件…

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一.简介 "A highly-available key value store for shared configuration and service discovery." Etcd是coreos开发的分布式服务系统,内部采用raft协议作为一致性算法.作为一个高可用的配置共享.服务发现的键值存储系统,Etcd有以下的特点: 1)简单:安装配置简单,而且提供了 HTTP API 进行交互,使用也很简单 2)安全:支持 SSL 证书验证 3)快速:根据官方提供的数据,单实例支持每秒…

键值存储仓库,用于配置共享和服务发现. A highly-available key value store for shared configuration and service discovery. 基本介绍 服务发现 要解决服务发现的问题,需要有下面三大支柱,缺一不可. 一个强一致性.高可用的服务存储目录.基于Raft算法的etcd天生就是这样一个强一致性高可用的服务存储目录. 一种注册服务和监控服务健康状态的机制.用户可以在etcd中注册服务,并且对注册的服务设置key TTL,定时保…

Achieving High Availability and Scalability: Microsoft Application Request Routing (ARR) for IIS 7.0 and above and Network Load Balancing (NLB). Microsoft Corporation Author: Ahmed Bisht, Won Yoo Published: November 13, 2008 Abstract This document pr…

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Redis容灾部署(哨兵Sentinel) 哨兵的作用 1. 监控:监控主从是否正常2. 通知:出现问题时,可以通知相关人员3. 故障迁移:自动主从切换4. 统一的配置管理:连接者询问sentinel取得主从的地址 Raft分布式算法 1. 主要用途:用于分布式系统,系统容错,以及选出领头羊2. 作者:Diego Ongaro,毕业于哈佛3. 目前用到这个算法的项目有: a. CoreOS : 见下面 b. ectd : a distributed, consistent shared conf…