windows下安装hadoop

下载hadoop压缩包，并解压

winutils可以在此出下载：https://github.com/cdarlint/winutils
将对应版本的hadoop.dll和winutils.exe文件放入bin目录下

配置JAVA_HOME与HADOOP_HOME环境

core-site.xml

<configuration>  
  <property>  
    <name>fs.default.name</name>  
    <value>hdfs://localhost:9000</value>  
  </property>  
</configuration> 

mapred-site.xml

mapred-site.xml原先如果没有，就复制mapred-site.xml.template并改名

<configuration>
    <property>
       <name>mapreduce.framework.name</name>
       <value>yarn</value>
    </property>
    <property>
       <name>mapred.job.tracker</name>
       <value>hdfs://localhost:9001</value>
    </property>
</configuration>

hdfs-site.xml

<configuration>
    <!-- 这个参数设置为1，因为是单机版hadoop -->
    <property>
        <name>dfs.replication</name>
        <value>1</value>
    </property>
    <property>
        <name>dfs.data.dir</name>
        <value>/F:/hadoop-2.7.5/workplace/data</value>
    </property>
	<property>
        <name>dfs.name.dir</name>
        <value>/F:/hadoop-2.7.5/workplace/name</value>
    </property>
</configuration>

yarn.site.xml

<configuration>
    <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>

hadoop-env.cmd

配置JAVA_HOME地址

运行
hadoop namenode -format

在进入sbin目录下启动start-all.cmd