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hadoop java上传文件
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>
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 block
e.printStackTrace();
}
}
}
posted on 2017-02-25 13:09 Honey_Badger 阅读(...) 评论(...) 编辑 收藏 |
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