T6789的专栏

 eclipse中配置hadoop插件1.安装插件    准备程序：下载  hadoop-eclipse-plugin-2.2.0.jar    将 hadoop-eclipse-plugin-2.2.0.jar 复制到eclipse/plugins目录下，重启eclipse。2.打开MapReduce视图    Window -> Open Perspective -> Ot...

1、Hive最基本的建表语句CREATE TABLE top100 ( time STRING,name STRING,ip STRING,UID STRING, ADDRESS STRING) COMMENT 'top100w';2、加载数据LOAD DATA  INPATH '/test/smittest.txt' OVERWRITE INTO TABLE top100w;3...

启动过程1.service sshd start        3896 DataNode        3760 NameNode        4104 JobTracker        4295 Jps        4230 TaskTracker        4010 SecondaryNameNode2.    ./apachectl start启动Apache服务器...