yum install zookeeper-server -y

# Licensed to the Apache Software Foundation (ASF) under one or more# contributor license agreements.  See the NOTICE file distributed with# this work for additional information regarding copyright ownership.# The ASF licenses this file to You under the Apache License, Version 2.0# (the "License"); you may not use this file except in compliance with# the License.  You may obtain a copy of the License at##     http://www.apache.org/licenses/LICENSE-2.0## Unless required by applicable law or agreed to in writing, software# distributed under the License is distributed on an "AS IS" BASIS,# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.# See the License for the specific language governing permissions and# limitations under the License.maxClientCnxns=50# The number of milliseconds of each ticktickTime=2000# The number of ticks that the initial # synchronization phase can takeinitLimit=10# The number of ticks that can pass between # sending a request and getting an acknowledgementsyncLimit=5# the directory where the snapshot is stored.dataDir=/var/lib/zookeeper# the port at which the clients will connectclientPort=2181# the directory where the transaction logs are stored.dataLogDir=/var/lib/zookeeper#serverserver.0 = Host0:2888:3888server.1 = Host1:2888:3888server.2 = Host2:2888:3888

echo "0" > /var/lib/zookeeper/myid
chown zookeeper:zookeeper /var/lib/zookeeper/myid

service zookeeper-server initservice zookeeper-server start

[root@Host0 ~]# zookeeper-server statusJMX enabled by defaultUsing config: /etc/zookeeper/conf/zoo.cfgMode: follower[root@Host1 ~]# zookeeper-server statusJMX enabled by defaultUsing config: /etc/zookeeper/conf/zoo.cfgMode: leader[root@Host2 ~]# zookeeper-server statusJMX enabled by defaultUsing config: /etc/zookeeper/conf/zoo.cfgMode: follower