hadoop的HA集群搭建
![集群规划](https://img-blog.csdnimg.cn/20191210103217327.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQwMTk4MDA0,size_16,color_FFFFFF,t_70)
环境
centos7,jdk1.8,zookeeper-3.5.5,hadoop-2.7.2
1.配置hosts:vi /etc/hosts
192.168.221.100 hadoop100
192.168.221.101 hadoop101
192.168.221.102 hadoop102
192.168.221.103 hadoop103
192.168.221.104 hadoop104
![在这里插入图片描述](https://img-blog.csdnimg.cn/20191210103853968.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQwMTk4MDA0,size_16,color_FFFFFF,t_70)
zookeeper的集群安装
1.进入zookeeper的conf目录下进行操作
cp zoo_sample.cfg zoo.cfg
2.zoo.cfg的配置