代码:
package com.hadoop; 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 FileCopyWithProgress { public static void main(String[] args) throws Exception { String localSrc = args[0]; String dst = args[1]; InputStream in = new BufferedInputStream(new FileInputStream(localSrc)); Configuration config = new Configuration(); FileSystem fs = FileSystem.get(URI.create(dst),config); OutputStream out = fs.create(new Path(dst),new Progressable() { @Override public void progress() { System.out.println("."); } }); IOUtils.copyBytes(in, out, 4096, true); } }
hadoop中执行:
时间: 2024-10-07 21:46:14