Hi,
I have folder named INPUT.
Inside INPUT i have 5 resume are there.
hduser@localhost:~/Ranjini$ hadoop fs -ls /user/hduser/INPUT
Found 5 items
-rw-r--r-- 1 hduser supergroup 5438 2014-03-18 15:20
/user/hduser/INPUT/Rakesh Chowdary_Microstrategy.txt
-rw-r--r-- 1 hduser supergroup 6022 2014-03-18 15:22
/user/hduser/INPUT/Ramarao Devineni_Microstrategy.txt
-rw-r--r-- 1 hduser supergroup 3517 2014-03-18 15:21
/user/hduser/INPUT/vinitha.txt
-rw-r--r-- 1 hduser supergroup 3517 2014-03-18 15:21
/user/hduser/INPUT/sony.txt
-rw-r--r-- 1 hduser supergroup 3517 2014-03-18 15:21
/user/hduser/INPUT/ravi.txt
hduser@localhost:~/Ranjini$
I have to process the folder and the content .
I need ouput has
filename word occurance
vinitha java 4
sony oracle 3
But iam not getting the filename. Has the input file content are merged
file name is not getting correct .
please help in this issue to fix. I have given by code below
import java.io.IOException;
import java.util.*;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.conf.*;
import org.apache.hadoop.io.*;
import org.apache.hadoop.mapred.*;
import org.apache.hadoop.util.*;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.FileStatus;
import org.apache.hadoop.conf.*;
import org.apache.hadoop.io.*;
import org.apache.hadoop.mapred.*;
import org.apache.hadoop.util.*;
import org.apache.hadoop.mapred.lib.*;
public class WordCount {
public static class Map extends MapReduceBase implements
Mapper<LongWritable, Text, Text, IntWritable> {
private final static IntWritable one = new IntWritable(1);
private Text word = new Text();
public void map(LongWritable key, Text value, OutputCollector<Text,
IntWritable> output, Reporter reporter) throws IOException {
FSDataInputStream fs=null;
FileSystem hdfs = null;
String line = value.toString();
int i=0,k=0;
try{
Configuration configuration = new Configuration();
configuration.set("fs.default.name", "hdfs://localhost:4440/");
Path srcPath = new Path("/user/hduser/INPUT/");
hdfs = FileSystem.get(configuration);
FileStatus[] status = hdfs.listStatus(srcPath);
fs=hdfs.open(srcPath);
BufferedReader br=new BufferedReader(new
InputStreamReader(hdfs.open(srcPath)));
String[] splited = line.split("\\s <file://s/>+");
for( i=0;i<splited.length;i++)
{
String sp[]=splited[i].split(",");
for( k=0;k<sp.length;k++)
{
if(!sp[k].isEmpty()){
StringTokenizer tokenizer = new StringTokenizer(sp[k]);
if((sp[k].equalsIgnoreCase("C"))){
while (tokenizer.hasMoreTokens()) {
word.set(tokenizer.nextToken());
output.collect(word, one);
}
}
if((sp[k].equalsIgnoreCase("JAVA"))){
while (tokenizer.hasMoreTokens()) {
word.set(tokenizer.nextToken());
output.collect(word, one);
}
}
}
}
}
} catch (IOException e) {
e.printStackTrace();
}
}
}
public static class Reduce extends MapReduceBase implements
Reducer<Text, IntWritable, Text, IntWritable> {
public void reduce(Text key, Iterator<IntWritable> values,
OutputCollector<Text, IntWritable> output, Reporter reporter) throws
IOException {
int sum = 0;
while (values.hasNext()) {
sum += values.next().get();
}
output.collect(key, new IntWritable(sum));
}
}
public static void main(String[] args) throws Exception {
JobConf conf = new JobConf(WordCount.class);
conf.setJobName("wordcount");
conf.setOutputKeyClass(Text.class);
conf.setOutputValueClass(IntWritable.class);
conf.setMapperClass(Map.class);
conf.setCombinerClass(Reduce.class);
conf.setReducerClass(Reduce.class);
conf.setInputFormat(TextInputFormat.class);
conf.setOutputFormat(TextOutputFormat.class);
FileInputFormat.setInputPaths(conf, new Path(args[0]));
FileOutputFormat.setOutputPath(conf, new Path(args[1]));
JobClient.runJob(conf);
}
}
Please help
Thanks in advance.
Ranjini