etc/hadoop/core-site.xml

<configuration>
    <!-- 指定HDFS中namenode地址-->
    <property>
        <name>fs.defaultFS</name>
        <value>hdfs://hadoop01:9000</value>
    </property>
    
    <!-- 指定Hadoop运行时产生文件的存储目录 -->
    <property>
        <name>hadoop.temp.dir</name>
        <value>/opt/module/hadoop-3.3.6/data/tmp</value>
    </property>
</configuration>

etc/hadoop/hdfs-site.xml

<configuration>
    <!-- 指定HDFS副本的数量 -->
    <property>
        <name>dfs.replication</name>
        <value>1</value>
    </property>
</configuration>