<configuration>
<property>
<name>fs.default.name</name>
<value>hdfs://localhost:8020</value>
<description>The name of the default file system. Either the
literal string "local" or a host:port for NDFS.
</description>
<final>true</final>
</property>
</configuration>
编辑hdfs-site.xml
<configuration>
<property>
<name>dfs.namenode.name.dir</name>
<value>file:/home/hadoop/workspace/hadoop_space/hadoop23/dfs/name</value>
<description>Determines where on the local filesystem the DFS name node
should store the name table. If this is a comma-delimited list
of directories then the name table is replicated in all of the
directories, for redundancy. </description>
<final>true</final>
</property>
<property>
<name>dfs.datanode.data.dir</name>
<value>file:/home/hadoop/workspace/hadoop_space/hadoop23/dfs/data</value>
<description>Determines where on the local filesystem an DFS data node
should store its blocks. If this is a comma-delimited
list of directories, then data will be stored in all named
directories, typically on different devices.
Directories that do not exist are ignored.
</description>
<final>true</final>
</property>
<property>
<name>dfs.replication</name>
<value>1</value>
</property>
<property>
<name>dfs.permissions</name>
<value>false</value>
</property>
</configuration>
路径
file:/home/hadoop/workspace/hadoop_space/hadoop23/dfs/name与
file:/home/hadoop/workspace/hadoop_space/hadoop23/dfs/data
是计算机中的一些文件夹，用于存放数据和编辑文件的
路径必须用一个详细的URI描述。