<property><name>dfs.http.address</name><value>master:50070</value><description>
The address and the base port where the dfs namenode web ui will listen on.If the port is 0 then the server will start on a free port.
</description></property><property><name>dfs.namenode.secondary.http-address</name><value>slave1:50090</value>
//主要是这里的主机名要变
</property>
修改core-site.xml文件:
<property><name>fs.checkpoint.period</name><value>3600</value><description>The number of seconds between two periodic checkpoints.
</description></property><property><name>fs.checkpoint.size</name> //以日志大小间隔 做备份间隔
<value>67108864</value></property>