How to use a PDI job to move a file into HDFS. Prerequisites In order to follow along with this how-to guide you will need the following: Hadoop Pentaho Data Integration Sample Files The sample data file needed for this guide is: File Name Content we…
Loading Data into HAWQ Leave a reply Loading data into the database is required to start using it but how? There are several approaches to achieve this basic requirement but achieve the result by approaching the problem in different ways. This allows…
今天在跑一个有关postgresql产品的测试,要测试postgresql的有关Mirroring Controller的功能. 在执行mc_ctl命令的时候,报错:error while loading share object file libjvm.so: No such file or directory. 调查了一下发现是对LD_LIBRARY_PATH 环境变量的设置有问题,没有提供含有libjvm.so的路径,自然找不到.于是先在系统中寻找libjvm.so文件的位置: find…
取资源图片时遇到执行时错误: Cocos2d: Get data from file(xxx/xxx.xxx) failed! 原因是我加入资源目录的方式不正确,例如以下图,我选择的是在Resource中加入Group.这样加入完menuscene目录是黄色的,我在代码中引用资源时路径是"menuscene/background.png",可是在项目看来menuscene并非一个真实存在的Folder,而是一个Group,所以会找不到. 解决方法是加入文件时选择Create folde…
利用load data将文件中的数据导入数据库表中的时候,遇到了两个问题. 首先是load data命令无法执行的问题: 命令行下输入load data local infile "path/filename" to table table_name: 系统提示:ERROR 1148 (42000): The used command is not allowed with this MySQL version. 解决方法:退出mysql, 重新以此命令登录mysql mysql -u…