安装 Zookeeper 并启动 Zookeeper 服务

原文地址：http://blog.youkuaiyun.com/shawearn1027/article/details/55097249

一、安装 Zookeeper

下载地址：http://zookeeper.apache.org/

将下载后的 zookeeper 解压，在 conf/ 下创建 zoo.cfg 文件

tickTime=2000
dataDir=/var/lib/zookeeper
clientPort=2181

tickTime

the basic time unit in milliseconds used by ZooKeeper. It is used to do heartbeats and the minimum session timeout will be twice the tickTime.

dataDir

the location to store the in-memory database snapshots and, unless specified otherwise, the transaction log of updates to the database.

clientPort

the port to listen for client connections

二、启动 Zookeeper 服务

bin/zkServer.sh start

三、连接 Zookeeper 服务器

$ bin/zkCli.sh -server 127.0.0.1:2181

具体查看 zookeeper 官方说明：

http://zookeeper.apache.org/doc/trunk/zookeeperStarted.html