Master

		wget http://mirrors.shu.edu.cn/apache/hadoop/common/hadoop-2.8.4/hadoop-2.8.4.tar.gz

tar zxvf hadoop-2.8.4.tar.gz

3. 修改Hadoop配置文件

Master

cd hadoop-2.8.4/etc/hadoop
vim hadoop-env.sh
export JAVA_HOME=/usr/local/src/jdk1.8.0_152

vim yarn-env.sh
export JAVA_HOME=/usr/local/src/jdk1.8.0_152

vim slaves
slave1
slave2

vim core-site.xml

<configuration>
        <property>
                <name>fs.defaultFS</name>
                <value>hdfs://master:9000</value>
        </property>
        <property>
                <name>hadoop.tmp.dir</name>
                <value>file:/usr/local/hadoop-2.8.4/tmp</value>
        </property>
</configuration>

vim hdfs-site.xml

<configuration>
        <property>
                <name>dfs.namenode.secondary.http-address</name>
                <value>master:9001</value>
        </property>
        <property>
                <name>dfs.namenode.name.dir</name>
                <value>file:/usr/local/hadoop-2.8.4/dfs/name</value>
        </property>
        <property>
                <name>dfs.datanode.data.dir</name>
                <value>file:/usr/local/hadoop-2.8.4/dfs/data</value>
        </property>
        <property>
                <name>dfs.repliction</name>
                <value>3</value>
        </property>
</configuration>

vim mapred-site.xml

<configuration>
		<property>
				<name>mapreduce.framework.name</name>
				<value>yarn</value>
		</property>
</configuration>

vim 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>
		<property>
				<name>yarn.resourcemanager.address</name>
				<value>master:8032</value>
		</property>
		<property>
				<name>yarn.resourcemanager.scheduler.address</name>
				<value>master:8030</value>
		</property>
		<property>
				<name>yarn.resourcemanager.resource-tracker.address</name>
				<value>master:8035</value>
		</property>
		<property>
				<name>yarn.resourcemanager.admin.address</name>
				<value>master:8033</value>
		</property>
		<property>
				<name>yarn.resourcemanager.webapp.address</name>
				<value>master:8088</value>
		</property>
</configuration>

#創建臨時目錄和文件目錄
mkdir /usr/local/hadoop-2.8.4/tmp
mkdir -p /usr/local/hadoop-2.8.4/dfs/name
mkdir -p /usr/local/hadoop-2.8.4/dfs/data

4. 配置環境變量