[root@centos00 ~]$ cd /opt/cdh5.14.2/hadoop-2.6.0-cdh5.14.2/ [root@centos00 hadoop-2.6.0-cdh5.14. ...
root centos cd opt cdh . . hadoop . . cdh . . root centos hadoop . . cdh . . sbin hadoop daemon.sh start namenode root centos hadoop . . cdh . . sbin hadoop daemon.sh start datanode root centos cd op ...
2020-08-17 22:58 0 961 推荐指数:
[root@centos00 ~]$ cd /opt/cdh5.14.2/hadoop-2.6.0-cdh5.14.2/ [root@centos00 hadoop-2.6.0-cdh5.14. ...
[root@centos00 ~]$ cd hadoop-2.6.0-cdh5.14.2/ [root@centos00 hadoop-2.6.0-cdh5.14.2]$ sbin/hadoop ...
原博文来自于: http://blog.csdn.net/u012297062/article/details/52207934 感谢! 使用Spark SQL中的内置函数对数据进行分析,Spark SQL API不同的是,DataFrame中的内置函数操作的结果是返回一个 ...
2、计算两个日期之间相差的天数 (datediff) ...
[root@centos00 ~]$ cd hadoop-2.6.0-cdh5.14.2/ [root@centos00 hadoop-2.6.0-cdh5.14.2]$ sbin/hadoop ...
[root@centos00 ~]$ cd /opt/cdh5.14.2/hadoop-2.6.0-cdh5.14.2/ [root@centos00 hadoop-2.6.0-cdh5.14. ...
开发环境:spark:2.2.0 工具:IDEA OS:Windows 数据文件: 001E8CB5AB11,ASUSTek,2018-07-12 14:00:57, ...
JMeter 内置日期(时间)函数总结 by:授客 QQ:1033553122 1. 测试环境 apache-jmeter-3.3 下载地址: http://jmeter.apache.org/changes_history.html win7 2. ...