环境信息
系统:
centos6.8
IP:
192.168.57.201、192.168.57.202、192.168.57.203
软件版本:
zookeeper-3.4.10.tar.gz 、jdk-8u191-linux-x64.tar.gz
软件存放路径:
/opt/yidian/zookeeper-3.4.10.tar.gz
/opt/yidian/jdk-8u191-linux-x64.tar.gz
安装JDK
解压JDK
tar -xzvf jdk-8u191-linux-x64.tar.gz
/opt/yidian/jdk1.8.0_191 -- 当前jdk解压路径
配置JDK环境变量(/etc/profile)
JAVA_HOME=/opt/yidian/jdk1.8.0_191
PATH=$JAVA_HOME/bin:$PATH
CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAME_HOME/lib/tools.jar
export JAVA_HOME
export PATH
export CLASSPATH
刷新环境变量
source /etc/profile
安装zookeeper
解压zookeeper
tar xzvf zookeeper-3.4.10.tar.gz
修改zookeeper的配置文件
mv zoo_sample.cfg zoo.cfg
创建zookeeper的数据目录和日志目录
/opt/zk/data
/opt/zk/logs
修改zoo.cfg内容
# 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/zk/data
dataLogDir=/opt/zk/logs
# 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
#2888 选举端口
#3888 心跳端口
server.1=test201:2888:3888
server.2=test202:2888:3888
server.3=test203:2888:3888
myid文件内容如下:
201 /opt/zk/data/myid -- 1
202 /opt/zk/data/myid -- 2
203 /opt/zk/data/myid -- 3
修改本地hosts
192.168.57.201 test201
192.168.57.202 test202
192.168.57.203 test203
集群启动测试
启动目录
/opt/yidian/zookeeper-3.4.10/bin
分别启动3台机器的zookeeper
./zkServer.sh start
查看集群的状态
./zkServer.sh status
#显示如下信息,代表集群环境搭建成功!
[root@test201 bin]# ./zkServer.sh status
ZooKeeper JMX enabled by default
Using config: /opt/yidian/zookeeper-3.4.10/bin/../conf/zoo.cfg
Mode: follower
[root@test202 bin]# ./zkServer.sh status
ZooKeeper JMX enabled by default
Using config: /opt/yidian/zookeeper-3.4.10/bin/../conf/zoo.cfg
Mode: leader