edu.umd.cloud9.demo
Class DemoWordCount

java.lang.Object
  edu.umd.cloud9.demo.DemoWordCount

public class DemoWordCount
extends Object

Simple word count demo. Counts words in the Bible+Shakespeare sample collection. Expected trace of MapReduce operation:

 Map input records=156215
 Map output records=1734298
 Map input bytes=9068074
 Map output bytes=15919397
 Combine input records=1734298
 Combine output records=135372
 Reduce input groups=41788
 Reduce input records=135372
 Reduce output records=41788
 

Nested Class Summary

static class	DemoWordCount.MyMapper
static class	DemoWordCount.MyReducer

Method Summary

static void

main(String[] args) Runs the demo.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

main

public static void main(String[] args)
                 throws IOException

Runs the demo.

Throws:

IOException