在三台Centos或Windows中部署三台Zookeeper集群配置
一、安装包
1、下载最新版（3.4.13）：https://archive.apache.org/dist/zookeeper/ 下载https://archive.apache.org/dist/zookeeper/zookeeper-3.4.13/zookeeper-3.4.13.tar.gz解压开即可。本文中解压到/opt目录下。
二、环境
1、三台服务器IP分别为：192.168.1.104、192.168.1.105、192.168.1.106
2、三台的Zookeeper配置文件路径都是：/opt/zookeeper/zookeeper-3.4.13/conf/zoo.cfg
三、配置集群：
1、服务器192.168.1.104中：
（1）修改/opt/zookeeper/zookeeper-3.4.13/conf/zoo.cfg文件内容如下：
# The number of milliseconds of each tick tickTime=2000 # The number of ticks that the initial # synchronization phase can take initLimit=10 # The number of ticks that can pass between # sending a request and getting an acknowledgement syncLimit=5 # the directory where the snapshot is stored. # do not use /tmp for storage, /tmp here is just # example sakes. dataDir=/opt/zookeeper/zkdata/data dataLogDir=/opt/zookeeper/zkdata/log # the port at which the clients will connect clientPort=2181 # the maximum number of client connections. # increase this if you need to handle more clients #maxClientCnxns=60 # # Be sure to read the maintenance section of the # administrator guide before turning on autopurge. # # http://zookeeper.apache.org/doc/current/zookeeperAdmin.html#sc_maintenance # # The number of snapshots to retain in dataDir #autopurge.snapRetainCount=3 # Purge task interval in hours # Set to "0" to disable auto purge feature #autopurge.purgeInterval=1 server.104=0.0.0.0:2888:3888 server.105=192.168.6.105:2888:3888 server.106=192.168.6.106:2888:3888
（2）创建目录并配置myid。
I、创建目录：/opt/zookeeper/zkdata/data
II、创建文件：/opt/zookeeper/zkdata/data/myid ，内容为"104" ，或者使用命令快速生成：
echo 104>/opt/zookeeper/zkdata/data/myid
2、服务器192.168.1.105中：
（1）修改/opt/zookeeper/zookeeper-3.4.13/conf/zoo.cfg文件内容如下：
# The number of milliseconds of each tick
tickTime=2000
# The number of ticks that the initial
# synchronization phase can take
initLimit=10
# The number of ticks that can pass between
# sending a request and getting an acknowledgement
syncLimit=5
# the directory where the snapshot is stored.
# do not use /tmp for storage, /tmp here is just
# example sakes.
dataDir=/opt/zookeeper/zkdata/data
dataLogDir=/opt/zookeeper/zkdata/log
# the port at which the clients will connect
clientPort=2181
# the maximum number of client connections.
# increase this if you need to handle more clients
#maxClientCnxns=60
#
# Be sure to read the maintenance section of the
# administrator guide before turning on autopurge.
#
# http://zookeeper.apache.org/doc/current/zookeeperAdmin.html#sc_maintenance
#
# The number of snapshots to retain in dataDir
#autopurge.snapRetainCount=3
# Purge task interval in hours
# Set to "0" to disable auto purge feature
#autopurge.purgeInterval=1
server.104=192.168.6.104:2888:3888
server.105=0.0.0.0:2888:3888
server.106=192.168.6.106:2888:3888
（2）创建目录并配置myid。
I、创建目录：/opt/zookeeper/zkdata/data
II、创建文件：/opt/zookeeper/zkdata/data/myid ，内容为"105" ，或者使用命令快速生成：
echo 105>/opt/zookeeper/zkdata/data/myid
3、服务器192.168.1.106中：
（1）修改/opt/zookeeper/zookeeper-3.4.13/conf/zoo.cfg文件内容如下：
# The number of milliseconds of each tick tickTime=2000 # The number of ticks that the initial # synchronization phase can take initLimit=10 # The number of ticks that can pass between # sending a request and getting an acknowledgement syncLimit=5 # the directory where the snapshot is stored. # do not use /tmp for storage, /tmp here is just # example sakes. dataDir=/opt/zookeeper/zkdata/data dataLogDir=/opt/zookeeper/zkdata/log # the port at which the clients will connect clientPort=2181 # the maximum number of client connections. # increase this if you need to handle more clients #maxClientCnxns=60 # # Be sure to read the maintenance section of the # administrator guide before turning on autopurge. # # http://zookeeper.apache.org/doc/current/zookeeperAdmin.html#sc_maintenance # # The number of snapshots to retain in dataDir #autopurge.snapRetainCount=3 # Purge task interval in hours # Set to "0" to disable auto purge feature #autopurge.purgeInterval=1 server.104=192.168.6.104:2888:3888 server.105=192.168.6.105:2888:3888 server.106=0.0.0.0:2888:3888
（2）创建目录并配置myid。
I、创建目录：/opt/zookeeper/zkdata/data
II、创建文件：/opt/zookeeper/zkdata/data/myid ，内容为"106" ，或者使用命令快速生成：
echo 106>/opt/zookeeper/zkdata/data/myid
四、三台机器中，都为防火墙中添加2181、2888、3888端口入站。
添加端口： firewall-cmd --zone=public --add-port=2181/tcp --permanent firewall-cmd --zone=public --add-port=2888/tcp --permanent firewall-cmd --zone=public --add-port=3888/tcp --permanent 重新载入： firewall-cmd --reload
五、启动Zookeeper：三台机器中依次运行
/opt/zookeeper/zookeeper-3.4.13/bin/zkServer.sh start /opt/zookeeper/zookeeper-3.4.13/conf/zoo.cfg
