[hadoop] config

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pseudo distribution
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# hadoop-env.sh
export JAVA_HOME=/home/hadoop/app/java

# core-site.xml
<configuration>
    <property>
        <name>fs.defaultFS</name>
        <value>hdfs://centos01:9000/</value>
    </property>
    <property>
        <name>hadoop.tmp.dir</name>
        <value>/home/hadoop/app/hadoop/data</value>
    </property>
</configuration>

# hdfs-site.xml
<configuration>
    <property>
        <name>dfs.replication</name>
        <value>1</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.resourcemanager.hostname</name>
        <value>centos01</value>
    </property>
    <property>
        <name>yarn.nodemanager.aux-services</name>
        <value>mapreduce_shuffle</value>
    </property>
</configuration>