標籤:file byte on() org catch ice hadoop .config bytes
import java.io.BufferedInputStream;import java.io.FileInputStream;import java.io.InputStream;import java.io.OutputStream;import java.net.URI;import org.apache.hadoop.conf.Configuration;import org.apache.hadoop.fs.FileSystem;import org.apache.hadoop.fs.Path;import org.apache.hadoop.io.IOUtils;import org.apache.hadoop.util.Progressable;public class UploadFile {public static void main(String[] args) {try {String localSrc = "/usr/local/hadoop/NOTICE.txt";String dst = "hdfs://localhost:9000/user/NOTICE.txt";InputStream in = new BufferedInputStream(new FileInputStream(localSrc));Configuration conf = new Configuration();FileSystem fs = FileSystem.get(URI.create(dst), conf);OutputStream out = fs.create(new Path(dst), new Progressable() {public void progress() {System.out.print(".");}});IOUtils.copyBytes(in, out, 4096, true);System.out.println("success");} catch (Exception e) {// TODO Auto-generated catch blocke.printStackTrace();}}}
hadoop 上傳檔案