hdfs中配置多个namenode

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将hdfs-site.xml如下设置即可（注意标红的地方）：

<configuration><property><name>dfs.namenode.name.dir</name><value>/hdfs/name</value></property><property><name>dfs.datanode.data.dir</name><value>/hdfs/data</value></property><property><name>dfs.permissions</name><value>false</value></property><property><name>dfs.federation.nameservices</name><value>master,slave1</value></property><property><name>dfs.namenode.rpc-address.master</name><value>192.168.168.101:9000</value></property><property><name>dfs.namenode.http-address.master</name><value>192.168.168.101:23001</value></property><property><name>dfs.namenode.secondary.http-address.master</name><value>192.168.168.101:23002</value></property><property><name>dfs.namenode.rpc-address.slave1</name><value>192.168.168.102:9000</value></property><property><name>dfs.namenode.http-address.slave1</name><value>192.168.168.102:23001</value></property><property><name>dfs.namenode.secondary.http-address.slave1</name><value>192.168.168.102:23002</value></property></configuration>

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