這篇文章主要介紹了如何安裝偽分布式Hadoop,具有一定借鑒價(jià)值,感興趣的朋友可以參考下,希望大家閱讀完這篇文章之后大有收獲,下面讓小編帶著大家一起了解一下。
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安裝偽分布式Hadoop
http://blog.csdn.net/ggz631047367/article/details/42426391
sudo vi /usr/local/hadoop/etc/hadoop/hadoop-env.sh
在hadoop-env.sh中 修改HADOOP_OPTS:
export HADOOP_OPTS="-Djava.library.path=$HADOOP_PREFIX/lib:$HADOOP_PREFIX/lib/native"
export HADOOP_OPTS="-Djava.library.path=$HADOOP_PREFIX/lib:$HADOOP_PREFIX/lib/native"
sudo gedit ~/.bashrc
#HADOOP VARIABLES START
export JAVA_HOME=/usr/java/jdk1.7.0_75
export HADOOP_INSTALL=/usr/local/hadoop
export PATH=$PATH:$HADOOP_INSTALL/bin
export PATH=$PATH:$HADOOP_INSTALL/sbin
export HADOOP_MAPRED_HOME=$HADOOP_INSTALL
export HADOOP_COMMON_HOME=$HADOOP_INSTALL
export HADOOP_HDFS_HOME=$HADOOP_INSTALL
export YARN_HOME=$HADOOP_INSTALL
export HADOOP_COMMON_LIB_NATIVE_DIR=$HADOOP_INSTALL/lib/native
export HADOOP_OPTS="-Djava.library.path=$HADOOP_INSTALL/lib"
#HADOOP VARIABLES END
bin/hadoop jar share/hadoop/mapreduce/sources/hadoop-mapreduce-examples-2.7.1-sources.jar org.apache.hadoop.examples.WordCount input output
sudo vi /usr/local/hadoop/etc/hadoop/core-site.xml
sudo vi /usr/local/hadoop/etc/hadoop/mapred-site.xml
sudo vi /usr/local/hadoop/etc/hadoop/yarn-site.xml
sudo vi /usr/local/hadoop/etc/hadoop/hdfs-site.xml
<configuration>
<property>
<name>dfs.replication</name>
<value>1</value>
</property>
<property>
<name>dfs.namenode.name.dir</name>
<value>file:/usr/local/hadoop/dfs/name</value>
</property>
<property>
<name>dfs.datanode.data.dir</name>
<value>file:/usr/local/hadoop/dfs/data</value>
</property>
<property>
<name>dfs.permissions</name>
<value>false</value>
</property>
</configuration>
sudo vi /usr/local/hadoop/etc/hadoop/masters 添加:localhost
sudo vi /usr/local/hadoop/etc/hadoop/slaves 添加:localhost
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