1、 core-site.xml

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<configuration>
	<property>
		<name>fs.defaultFS</name>
		<value>hdfs://server01:9000</value>
	</property>
	<property>
		<name>hadoop.tmp.dir</name>
		<value>/usr/local/hadoop-2.5.0-cdh5.2.0/tmp</value>
	</property>
	<property>
		<name>fs.trash.interval</name>
		<value>2000</value>
	</property>
</configuration>

2、hdfs-site.xml

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	<configuration>
    <property>
        <name>dfs.replication</name>
        <value>1</value>
    </property>
    <property>
        <name>dfs.permissions</name>
        <value>false</value>
    </property>
</configuration>

3、yarn-site.xml

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	<configuration>
		<property>
		<name>yarn.resourcemanager.hostname</name>
		<value>server01</value>
	</property>
       <property>
               <name>yarn.nodemanager.aux-services</name>
               <value>mapreduce_shuffle</value>
       </property>
</configuration>

4、mapred-site.xml

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

5、slaves

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server01

5、格式化hdfs文件系统

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bin/hdfs namenode -format

6、启动

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hadoop-daemon.sh start namenode/datanode
yarn-daemon.sh start resourcemanager/nodemanager

7、测试

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hadoop jar hadoop-mapreduce-examples-2.4.0.jar wordcount /testdata /output