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1.新建data目录及子目录
注意:记得赋予目录读写权限
2.修改配置文件
<configuration>
<property>
<name>fs.defaultFS</name>
<value>hdfs://localhost:9000</value>
</property>
</configuration>
<configuration> <!--副本数量--> <property> <name>dfs.replication</name> <value>1</value> </property> <!--NameNode目录--> <property> <name>dfs.namenode.name.dir</name> <value>file:///Software/hadoop-2.9.0/data/namenode</value> </property> <!--DataNode目录--> <property> <name>dfs.datanode.data.dir</name> <value>file:///Software/hadoop-2.9.0/data/datanode</value> </property> </configuration>
<configuration>
<!--yarn模式-->
<property>
<name>mapreduce.framework.name</name>
<value>yarn</value>
</property>
</configuration>
<configuration> <!--RM的hostname--> <property> <name>yarn.resourcemanager.hostname</name> <value>0.0.0.0</value> </property> <!--中间结果存放位置--> <property> <name>yarn.nodemanager.local-dirs</name> <value>file:///C:/Software/hadoop-2.9.0/tmp</value> </property> <!--NM上运行的附属服务--> <property> <name>yarn.nodemanager.aux-services</name> <value>mapreduce_shuffle</value> </property> <property> <name>yarn.nodemanager.aux-services.mapreduce.shuffle.class</name> <value>org.apache.hadoop.mapred.ShuffleHandler</value> </property> </configuration>
# 因Java安装在Project Files路径下,有空格,用PROGRA~1代替
set JAVA_HOME=C:\PROGRA~1\Java\jdk1.8.0_202
注意:以管理员身份打开cmd控制窗口
hdfs namenode -format
start-all.cmd
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