hadoop+hbase+spark搭建hadoop安装：前期准备：1.host配置和主机名2.安装jdk3.免密ssh登录Hadoop搭建参考1.在master上解压安装包#下载wget http://apache.claz.org/hadoop/common/hadoop-2.7.3/hadoop-2.7.3.tar.gz#解压tar -xzvfhadoop-2.7....