hadoop 환경 설정

하둡환경설정

[hadoop@hadoop]$  vi core-site.xml

<configuration>
 <property>
  <name>fs.defaultFS</name>
  <value>hdfs://hadoop:9010</value>
 </property>
 <property>
  <name>hadoop.tmp.dir</name>
  <value>/home/hadoop/hadoop-3.2.4/tmp</value>
 </property>
</configuration>



[hadoop@hadoop]$  vi hdfs-site.xml

<configuration>
 <property>
  <name>dfs.replication</name>
  <value>1</value>
 </property>
 <property>
  <name>dfs.namenode.name.dir</name>
  <value>/home/hadoop/data/dfs/namenode</value>
 </property>
 <property>
  <name>dfs.namenode.checkpoint.dir</name>
  <value>/home/hadoop/data/dfs/namesecondary</value>
 </property>
 <property>
  <name>dfs.datanode.data.dir</name>
  <value>/home/hadoop/data/dfs/datanode</value>
 </property>
 <property>
  <name>dfs.http.address</name>
  <value>hadoop:50070</value>
 </property>
 <property>
  <name>dfs.secondary.http.address</name>
  <value>hadoop:50090</value>
 </property>
</configuration>


[hadoop@hadoop]$ vi mapred-site.xml

<configuration>
    <property>
        <name>mapreduce.framework.name</name>
        <value>yarn</value>
    </property>
    <property>
        <name>yarn.app.mapreduce.am.env</name>
        <value>HADOOP_MAPRED_HOME=${HADOOP_HOME}</value>
    </property>
    <property>
        <name>mapreduce.map.env</name>
        <value>HADOOP_MAPRED_HOME=${HADOOP_HOME}</value>
    </property>
    <property>
        <name>mapreduce.reduce.env</name>
        <value>HADOOP_MAPRED_HOME=${HADOOP_HOME}</value>
    </property>
</configuration>


[hadoop@server01 hadoop]$ vi yarn-env.sh

JAVA=$JAVA_HOME/bin/java
JAVA_HEAP_MAX=-Xmx1000m



[hadoop@server01 hadoop]$ vi yarn-site.xml

<configuration>
 <property>
  <name>yarn.nodemanager.aux-services</name>
  <value>mapreduce_shuffle</value>
 </property>
 <property>
  <name>yarn.nodemanager.aux-services.mapreduce_suffle.class</name>
  <value>org.apache.hadoop.mapred.ShuffleHandler</value>
 </property>
 <property>
  <name>yarn.nodemanager.local-dirs</name>
  <value>/home/hadoop/data/yarn/nm-local-dir</value>
 </property>
 <property>
  <name>yarn.resourcemanager.fs.state-store.uri</name>
  <value>/home/hadoop/data/yarn/system/rmstore</value>
 </property>
 <property>
  <name>yarn.resourcemanager.hostname</name>
  <value>hadoop</value>
 </property>
 <property>
  <name>yarn.web-proxy.address</name>
  <value>0.0.0.0:8089</value>
 </property>yes
</configuration>


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