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- 1).bashrc
- export JAVA_HOME=/usr/lib/jvm/java-8-openjdk-amd64
- export HADOOP_HOME=/usr/local/hadoop
- export PATH=$PATH:$HADOOP_HOME/bin
- export PATH=$PATH:$HADOOP_HOME/sbin
- export HADOOP_MAPRED_HOME=$HADOOP_HOME
- export HADOOP_COMMON_HOME=$HADOOP_HOME
- export HADOOP_HDFS_HOME=$HADOOP_HOME
- export YARN_HOME=$HADOOP_HOME
- export HADOOP_COMMON_LIB_NATIVE_DIR=$HADOOP_HOME/lib/native
- export HADOOP_OPTS="-Djava.library.path=$HADOOP_HOME/lib"
- 2)hadoop-env.sh
- export JAVA_HOME=/usr/lib/jvm/java-8-openjdk-amd64
- 3)core-site.xml
- <property>
- <name>fs.default.name</name>
- <value>hdfs://localhost:9000</value>
- </property>
- 4)hdfs-site.xml
- <property>
- <name>dfs.replication</name>
- <value>1</value>
- </property>
- <property>
- <name>dfs.namenode.name.dir</name>
- <value>file:/usr/local/hadoop_tmp/hdfs/namenode</value>
- </property>
- <property>
- <name>dfs.datanode.data.dir</name>
- <value>file:/usr/local/hadoop_tmp/hdfs/datanode</value>
- </property>
- 5)yarn-site.xml
- <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>
- 6)mapred-site.xml
- <property>
- <name>mapreduce.framework.name</name>
- <value>yarn</value>
- </property>
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