hadoop standalone install
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1. download hadoop-2.6.5.tar.gz, upload hadoop-2.6.5.tar.gz to centos folder /usr/local
2. decompress tar file and config paths
cd /usr/localtar -zxvf hadoop-2.6.5.tar.gz vi ~/.bashrc add new line: export HADOOP_HOME=/usr/local/hadoop-2.6.5 add new line: export PATH=$PATH:$JAVA_HOME/bin:$HADOOP_HOME/bin:$HADOOP_HOME/sbinsource ~/.bashrc
3. run test
hadoop jar MessageCounter.jar ~/log_2016-09-13.txt ~/out1
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