dfs.permissions.supergroup hadoop dfs.replication 1 dfs.namenode.name.dir file:///var/lib/hadoop-hdfs/name dfs.datanode.data.dir file:///var/lib/hadoop-hdfs/data dfs.namenode.rpc-bind-host 0.0.0.0 dfs.namenode.servicerpc-bind-host 0.0.0.0 dfs.namenode.datanode.registration.ip-hostname-check false