2018-07-16 20:00:49 +08:00
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# ZooKeeper 安装部署
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2018-10-10 17:31:35 +08:00
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> 环境要求：JDK6+
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2018-07-16 20:00:49 +08:00
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<!-- TOC depthFrom:2 depthTo:3 -->
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- [下载解压 ZooKeeper](#下载解压-zookeeper)
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- [创建配置文件](#创建配置文件)
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- [启动 ZooKeeper 服务器](#启动-zookeeper-服务器)
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- [启动 CLI](#启动-cli)
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- [停止 ZooKeeper 服务器](#停止-zookeeper-服务器)
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<!-- /TOC -->
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在安装 ZooKeeper 之前，请确保你的系统是在以下任一操作系统上运行：
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- **任意 Linux OS** - 支持开发和部署。适合演示应用程序。
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- **Windows OS** - 仅支持开发。
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- **Mac OS** - 仅支持开发。
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安装步骤如下：
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## 下载解压 ZooKeeper
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进入官方下载地址：http://zookeeper.apache.org/releases.html#download ，选择合适版本。
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解压到本地：
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```
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$ tar -zxf zookeeper-3.4.6.tar.gz
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$ cd zookeeper-3.4.6
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```
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## 创建配置文件
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你必须创建 `conf/zoo.cfg` 文件，否则启动时会提示你没有此文件。
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初次尝试，不妨直接使用 Kafka 提供的模板配置文件 `conf/zoo_sample.cfg`：
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```
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$ cp conf/zoo_sample.cfg conf/zoo.cfg
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```
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## 启动 ZooKeeper 服务器
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执行以下命令
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```
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$ bin/zkServer.sh start
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```
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执行此命令后，你将收到以下响应
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```
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$ JMX enabled by default
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$ Using config: /Users/../zookeeper-3.4.6/bin/../conf/zoo.cfg
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$ Starting zookeeper ... STARTED
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```
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## 启动 CLI
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键入以下命令
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```
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$ bin/zkCli.sh
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```
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键入上述命令后，将连接到 ZooKeeper 服务器，你应该得到以下响应。
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```
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Connecting to localhost:2181
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................
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................
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................
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Welcome to ZooKeeper!
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................
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................
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WATCHER::
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WatchedEvent state:SyncConnected type: None path:null
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[zk: localhost:2181(CONNECTED) 0]
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```
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## 停止 ZooKeeper 服务器
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连接服务器并执行所有操作后，可以使用以下命令停止 zookeeper 服务器。
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```
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$ bin/zkServer.sh stop
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```
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> 本节安装内容参考：[Zookeeper 安装](https://www.w3cschool.cn/zookeeper/zookeeper_installation.html)
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