################## 환경변수 설정 #################################
export JAVA_HOME=/usr/lib/jvm/java-1.8.0-openjdk
export PATH=$PATH:$JAVA_HOME/bin
export HADOOP_HOME=/home/bigdata/hadoop
export HADOOP_MAPRED_HOME=$HADOOP_HOME
export HADOOP_COMMON_HOME=$HADOOP_HOME
export HADOOP_COMMON_LIB_NATIVE_DIR=$HADOOP_HOME/lib/native
export HADOOP_OPTS="-Djava.library.path=$HADOOP_HOME/lib/native"
export YARN_HOME=$HADOOP_HOME
export HADOOP_CONF_DIR=$HADOOP_HOME/etc/hadoop
export YARN_CONF_DIR=$HADOOP_HOME/etc/hadoop
export PATH=$PATH:$HADOOP_HOME/sbin:$HADOOP_HOME/bin
export CLASS_PATH=$JAVA_HOME/lib:$CLASS_PATH

################## core-site.xml ##################################
<configuration>
	<property>
		<name>fs.defaultFS</name>
		<value>hdfs://bigdata101:9000</value>
	</property>
	<property>
		<name>hadoop.tmp.dir</name>
		<value>/home/bigdata/hadoop-2.x.x/tmp</value>
	</property>
</configuration>

################## hdfs-site.xml ##################################

<configuration>
	<property>
		<name>dfs.replication</name>
		<value>3</value>
	</property>
	<property>
		<name>dfs.permissions</name>
		<value>false</value>
	</property>
	<property>
		<name>dfs.webhdfs.enabled</name>
		<value>true</value>
	</property>
</configuration>

################## mapred-site.xml ##################################
<configuration>
	<property>
		<name>mapreduce.framework.name</name>
		<value>yarn</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>
     <property>
         <name>yarn.resourcemanager.hostname</name>
         <value>bigdata101</value>
     </property>
</configuration>