下载Zookeeper-3.4.9
在/usr/local下创建hadoop文件夹
将下载的文件迁移到该文件夹下，并解压
tar -zxvf zookeeper-3.4.9.tar.gz
进入conf配置文件夹
cd zookeeper-3.4.9/conf/
复制zoo_sample.cfg文件并命名为zoo.cfg
cp zoo_sample.cfg zoo.cfg
打开zoo.cfg,修改内容
#dataDir=/tmp/zookeeper dataDir=/usr/local/hadoop/zookeeper-3.4.9/data dataLogDir=/usr/local/hadoop/zookeeper-3.4.9/logs
修改后的完整内容：
# 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=/tmp/zookeeper dataDir=/usr/local/hadoop/zookeeper-3.4.9/data # 数据持久化路径 dataLogDir=/usr/local/hadoop/zookeeper-3.4.9/logs # 日志保存路径 # 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