原文地址：http://blog.csdn.net/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
bin/zkServer.sh start$ bin/zkCli.sh -server 127.0.0.1:2181
具体查看 zookeeper 官方说明：