RHadoop 环境安装
硬件:
centos6 16G memory
软件:
RJSONIO digest functional stringr
==上面软件直接 install.package(' package name') 既可直接安装
rmr - 2.0.2 rhdfs - 1.0.5 rhbase - 1.1
==上面软件下载地址 https://github.com/RevolutionAnalytics/RHadoop/wiki/Downloads
注:环境变量
JAVA_HOME=/opt/java HADOOP_HOME=/opt/hadoop HIVE_HOME=/opt/hive [b]export HADOOP_CMD="/opt/hadoop/bin/hadoop" export HADOOP_STREAMING="/opt/hadoop/mapred/contrib/streaming/hadoop- 0.21.0-streaming.jar"[/b] PATH=$JAVA_HOME/bin:$HADOOP_HOME/bin:$HIVE_HOME/bin:$PATH:$HOME/bin export PATH JAVA_HOME HADOOP_HOME HIVE_HOME
安装:
R CMD INSTALL ‘package name ’
测试:
> library(rmr2) 载入需要的程辑包:Rcpp 载入需要的程辑包:RJSONIO 载入需要的程辑包:digest 载入需要的程辑包:functional 载入需要的程辑包:stringr 载入需要的程辑包:plyr library(rhdfs)
> library(rhdfs) 载入需要的程辑包:rJava HADOOP_CMD=/opt/hadoop/bin/hadoop Be sure to run hdfs.init()
安装成功