Map Reduce Programs

wordmedian:

A map/reduce program that counts the median length of the words in the input files.

To run:

bin/hadoop jar hadoop-examples-*.jar wordmedian <in-dir> <out-dir>

Input:

We’re the knights of the round table
We dance whene’er we’re able
We do routines and chorus scenes
With footwork impeccable.
We dine well here in Camelot
We eat ham and jam and spam a lot.

Ouptut:

The median is: 4

Screenshots:

wmedianwmer

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