Listing 4 illustrates loading a large file into the Dom simply to extract the data from a single attribute with DomXpath.
清单4中的例子将一个很大的文件加载到Dom中，只是为了用DomXpath从一个属性中提取数据。
A Job JAR packages up all of the code and dependencies into a single JAR file for easy loading into Hadoop.
Job jar包可以将所有代码和依赖关系打包到一个JAR文件中，以便于加载到Hadoop中。
Transparent to the application: applications using the RAID as a single device. My text editor doesn't care that the file it is saving or loading is split across many disks.
对应用程序透明：应用程序会将RAID作为一个整体，我的文本编辑器才不会关心它加载或者保存的文件是要读写多个磁盘的。
应用推荐