sundful的专栏

 启动Hadoop进入HADOOP_HOME目录。执行sh bin/start-all.sh关闭Hadoop进入HADOOP_HOME目录。执行sh bin/stop-all.sh 1、查看指定目录下内容hadoop dfs –ls [文件目录]eg: hadoop dfs –ls /user/wangkai.pt2、打开某个已存在文件...

编译环境:Eclipse Juno(4.2)JDK1.6.0_25hadoop-0.20.2-cdh3u5编译步骤:1.在eclipse导入hadoop-0.20.2-cdh3u5.tar.gz解压目录下的src\contrib\eclipse-plugin项目  此时项目会报找不到lib/hadoop-core.jar,在项目根目录下建立lib文件夹,在hadoop-0...