|
Class Summary |
| CounterReduce |
CounterReduce implements a reduction which accepts any
WritableComparable object and a vector of IntWritable occurrence
counts, and sums these counts. |
| WordCount |
Main execution class for a Hadoop map/reduce operation which counts
occurrences of every unique whitespace-separated word in the files
from a specified input directory, and writes this output to a
specified output directory. |
| WordMap |
WordMap implements a map operation which takes a WritableComparable
and a Text object representing a line of text, and outputs a
<Text, IntWritable> tuple for each word in that line of text
with the IntWritable having a value of 1. |