Shulou(Shulou.com)05/31 Report--

Xiaobian to share with you how HDFS FileStatus to retrieve files and directory related information, I hope you have something to gain after reading this article, let's discuss it together!

package com.lango.mapreduce.example.chainmapper;import java.io.IOException;import org.apache.hadoop.conf.Configuration;import org.apache.hadoop.fs.FileStatus;import org.apache.hadoop.fs.FileSystem;import org.apache.hadoop.fs.Path;public class Test { public static void main(String[] args) throws IOException { String INPUT_PATH = "/access_data"; Test.iterFs(INPUT_PATH); } private static void iterFs(String INPUT_PATH) throws IOException { Configuration conf = new Configuration(); conf.set("fs.default.name", "hdfs://master:9000"); FileSystem hdfs = FileSystem.get(conf); Path listf = new Path(INPUT_PATH); FileStatus stats[] = hdfs.listStatus(listf); for(FileStatus f : stats){ String fsPath = f.getPath().toString(); System.out.println(fsPath); if(f.isDir()){ iterFs(fsPath); } else { System.out.println(fsPath); } } }} After reading this article, I believe you have a certain understanding of "HDFS FileStatus how to retrieve file and directory related information". If you want to know more about it, please pay attention to the industry information channel. Thank you for reading!

Welcome to subscribe "Shulou Technology Information " to get latest news, interesting things and hot topics in the IT industry, and controls the hottest and latest Internet news, technology news and IT industry trends.