zookeeper的安装和使用

# 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=/usr/local/bigdata/data/zkdata
# 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.1=Master:2888:3888
server.2=Slave01:2888:3888
server.3=Slave02:2888:3888

Master上：   echo 1 > /usr/local/bigdata/data/zkdata/myid
Slave01上：  echo 2 > /usr/local/bigdata/data/zkdata/myid
Slave02上：  echo 3 > /usr/local/bigdata/data/zkdata/myid

$ bin/zkServer.sh start

$ bin/zkServer.sh status

#!/bin/bash
for host in Master Slave01 Slave02
do
echo "${host}:${1}ing....."
ssh $host "source ~/.bashrc;/usr/local/bigdata/zookeeper-3.4.6/bin/zkServer.sh $1"
done

sleep 2

for host in Master Slave01 Slave02
do
ssh $host "source ~/.bashrc;/usr/local/bigdata/zookeeper-3.4.6/bin/zkServer.sh status"
done

sh zkmanage.sh start #启动
sh zkmanage.sh stop  #停止

$ bin/zkCli.sh

$ bin/zkCli.sh -server Master:2181