1、啟動腳本文件

hadoop-env.sh

yarn-env.sh

2、參數配置文件

core-site.xml

hdfs-site.xml

yarn-site.xml

mapred-site.xml

3、集群主機文件

slaves

文件內容：

hadoop-env.sh添加：

export JAVA_HOME=/usr/java/jdk1.8.0_51
export HADOOP_CONF_DIR=/home/hadoop/hadoop/etc/hadoop

yarn-env.sh添加：

export JAVA_HOME=/usr/java/jdk1.8.0_51
export YARN_CONF_DIR=/home/hadoop/hadoop/etc/hadoop

core-site.xml

<configuration>
	<property>
		<name>hadoop.tmp.dir</name> 
		<value>/home/hadoop/hdfs/tmp</value>
		<final>true</final>
		<description>A base for other temporary directories.</description>
	</property>
	<property>
		<name>fs.defaultFS</name>
		<value>hdfs://rhel01:8020</value>
		<final>true</final>
	</property>
</configuration>

　hdfs-site.xml

<configuration>
  <property>
    <name>dfs.replication</name>
    <value>2</value>
  </property>
  <property>
    <name>dfs.name.dir</name>
    <value>/home/hadoop/hdfs/name</value>
  </property>
  <property>
    <name>dfs.data.dir</name>
    <value>/home/hadoop/hdfs/data</value>
  </property>
  <property>
    <name>dfs.permissions</name>
    <value>false
 
</value>
  </property>
</configuration>

yarn-site.xml

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

mapred-site.xml

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

slaves

node01
node02
node03

hadoop配置文件