Displays the file information of a group of paths in the Hadoop file system.

Source: Internet
Author: User

Displays the file information of a group of paths in the Hadoop file system.

// Display the file information of a group of paths in the Hadoop File System
// We can use this program to display the Union of a group of path set directories.
Package com;


Import java. io. IOException;
Import java.net. URI;


Import org. apache. hadoop. conf. Configuration;
Import org. apache. hadoop. fs. FileStatus;
Import org. apache. hadoop. fs. FileSystem;
Import org. apache. hadoop. fs. FileUtil;
Import org. apache. hadoop. fs. Path;


Public class ListStatus {


/**
* @ Param args
* @ Throws IOException
*/
Public static void main (String [] args) throws IOException {
// TODO Auto-generated method stub
String uri = args [0];
Configuration conf = new Configuration ();
FileSystem fs = FileSystem. get (URI. create (uri), conf );
Path [] paths = new Path [args. length];
For (int I = 0; I <paths. length; I ++ ){
Paths [I] = new Path (args [I]);
}
FileStatus [] status = fs. listStatus (paths );
Path [] listedPaths = FileUtil. stat2Paths (status );
For (Path p: listedPaths ){
System. out. println (p );

}
}


}

Tutorial on standalone/pseudo-distributed installation and configuration of Hadoop2.4.1 under Ubuntu14.04

Install and configure Hadoop2.2.0 on CentOS

Build a Hadoop environment on Ubuntu 13.04

Cluster configuration for Ubuntu 12.10 + Hadoop 1.2.1

Build a Hadoop environment on Ubuntu (standalone mode + pseudo Distribution Mode)

Configuration of Hadoop environment in Ubuntu

Detailed tutorial on creating a Hadoop environment for standalone Edition

Build a Hadoop environment (using virtual machines to build two Ubuntu systems in a Winodws environment)

Related Article

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.