上傳
import java.io.IOException; import org.apache.hadoop.conf.Configuration; import org.apache.hadoop.fs.FileSystem; import org.apache.hadoop.fs.Path; public class PutToHdfs { // 將檔案從local上傳到 hdfs , src 為 local 的來源, dst 為 hdfs 的目的端 static boolean putToHdfs(String src, String dst, Configuration conf) { Path dstPath = new Path(dst); try { // 產生操作hdfs的物件 FileSystem hdfs = dstPath.getFileSystem(conf); // 上傳 hdfs.copyFromLocalFile(false, new Path(src),new Path(dst)); } catch (IOException e) { e.printStackTrace(); return false; } return true; } static public void main(String args[]){ Configuration conf = new Configuration(); String src = "/home/waue/input"; String dst = "/user/waue/program_put_input"; boolean status = putToHdfs(src, dst, conf); System.err.println("create? :" + status); } }
Last modified 15 years ago
Last modified on Jan 19, 2010, 7:22:05 PM