Zookeeper

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zookeeper是一个开源的分布式协调服务，由知名互联网公司Yahoo创建，它是Chubby的开源实现；换句话讲，zookeeper是一个典型的分布式数据一致性解决方案，分布式应用程序可以基于它实现数据的发布/订阅、负载均衡、名称服务、分布式协调/通知、集群管理、Master选举、分布式锁和分布式队列
ZooKeeper: Because Coordinating Distributed Systems is a Zoo
ZooKeeper is a high-performance coordination service for distributed applications. It exposes common services - such as naming, configuration management, synchronization, and group services - in a simple interface so you don't have to write them from scratch. You can use it off-the-shelf to implement consensus, group management, leader election, and presence protocols.
ZooKeeper: Because Coordinating Distributed Systems is a Zoo
https://zookeeper.apache.org/doc/r3.6.3/index.html
安装要求
ZooKeeper: Because Coordinating Distributed Systems is a Zoo
This section contains information about deploying Zookeeper and covers these topics: The first two sections assume you are interested in installing ZooKeeper in a production environment such as a datacenter. The final section covers situations in which you are setting up ZooKeeper on a limited basis - for evaluation, testing, or development - but not in a production environment.
ZooKeeper: Because Coordinating Distributed Systems is a Zoo
https://zookeeper.apache.org/doc/r3.6.3/zookeeperAdmin.html#sc_systemReq
 
修改hosts
下载安装包
解压软件包
配置文件说明
 
发现启动报错，可找下是什么原因导致的
需要为每个节点创建一个myid
在次启动服务
注意启动服务时，所有节点时间控制在initLimit*tickTime=xx毫秒之内
各节点服务状态
客户端测试
连接任意节点生成数据
其他节点验证数据
 
windows客户端工具验证
https://issues.apache.org/jira/secure/attachment/12436620/ZooInspector.zip
分布式协调服务之Zookeeper集群部署
一、分布式系统概念 　　在聊Zookeeper之前，我们先来聊聊什么是分布式系统；所谓分布式系统就是一个系统的软件或硬件组件分布在网络中的不同计算机之上，彼此间通过消息传递进行通信和协作的系统；简单讲就是一个系统的组件分布在不同网络中的各主机上，彼此通过消息传递通信和协作，我们把这样的系统就叫做分布式系统； 　　二、分布式系统的特征 ...
分布式协调服务之Zookeeper集群部署
https://www.cnblogs.com/qiuhom-1874/p/13841371.html
分布式协调服务之Zookeeper集群部署
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