zookeeper三种配置

环境变量(集群配置或者单机配置)

#JAVA
JAVA_HOME=/usr/local/java/jdk1.8.0_251
JRE_HOME=/usr/local/java/jdk1.8.0_251/jre
CLASSPATH=.:$JAVA_HOME/lib:$JAVA_HOME/lib
PATH=$JAVA_HOME/bin:$JRE_HOME/bin:$PATH
export JAVA_HOME JRE_HOME CLASSPATH PATH


#Zookeeper
export ZK_HOME=/usr/local/zookeeper
export PATH=$PATH:$ZK_HOME/bin

单机配置

# vim ../conf/zoo.cfg

#Start Port
admin.serverPort=10080
# 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=/data/zookeeper/data
dataLogDir=/data/zookeeper/log
# the port at which the clients will connect
clientPort=2181

集群配置(slave1为例,slave2,slave3配置同理)

①配置hosts

# vim /etc/hosts
127.0.0.1   localhost localhost.localdomain localhost4 localhost4.localdomain4
::1         localhost localhost.localdomain localhost6 localhost6.localdomain6
192.168.2.201   slave1
192.168.2.202   slave2
192.168.2.203   slave3

②配置zookeeper配置文件

# vim ../conf/zoo.cfg

#Start Port
admin.serverPort=10080
# 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=/data/zookeeper/data
dataLogDir=/data/zookeeper/log
# the port at which the clients will connect
clientPort=2181


server.1=slave1:2888:3888
server.2=slave2:2888:3888
server.3=slave3:2888:3888

2888: zookeeper内部通讯端口；

3888: Leader选举通讯端口;

在zookeeper数据文件目录中创建myid文件

# mkdir -pv /data/zookeeper/data
# mkdir -pv /data/zookeeper/log
# echo "1" > /data/zookeeper/data/myid

③启动zookeeper

# zkServer.sh start

伪集群配置

需要启动三个zookeeper实例,也就是说需要把zookeeper目录copy三份,分别为zookeeper_1,zookeeper_2,zookeeper_3;

以zookeeper_3配置为例,其余同理

# vim zoo.cfg

#Start Port
admin.serverPort=10083        ##修改启动端口
# 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=/data/zookeeper_3/data            ##修改data目录
dataLogDir=/data/zookeeper_3/log
# the port at which the clients will connect
clientPort=2183                            ##修改监听端口

server.1=slave1:2888:3888
server.2=slave1:2889:3889
server.3=slave1:2890:3890

在zookeeper数据文件目录中创建myid文件

# mkdir -pv /data/zookeeper_3/data
# mkdir -pv /data/zookeeper_3/log
# echo "3" > /data/zookeeper_3/data/myid

启动zookeeper(单机版和集群版的环境变量此处不适用,最好不要配置环境变量,以免弄混)

# /usr/local/zookeeper_1/bin/zkServer.sh start
# /usr/local/zookeeper_2/bin/zkServer.sh start
# /usr/local/zookeeper_3/bin/zkServer.sh start