February 2019
Beginner to intermediate
544 pages
14h 36m
English
Content preview from Mastering Hadoop 3
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HDFSFileSystemWrite.java
The following is the code for HDFS write:
import org.apache.hadoop.conf.Configuration;import org.apache.hadoop.fs.FSDataOutputStream;import org.apache.hadoop.fs.FileSystem;import org.apache.hadoop.fs.Path;import org.apache.hadoop.io.IOUtils;import java.io.BufferedInputStream;import java.io.FileInputStream;import java.io.IOException;import java.io.InputStream;import java.net.URI;public class HDFSFileSystemWrite { public static void main(String[] args) throws IOException { String sourceURI = args[0]; String targetURI = args[1]; Configuration conf = new Configuration(); FileSystem fs = FileSystem.get(URI.create(targetURI), conf); FSDataOutputStream out = null; InputStream in = new BufferedInputStream(new FileInputStream(sourceURI)); ...
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