Hadoop + Python = Happy
code.google.com
code.google.com
Well you can't see it, but yahoo use hadoop for their indexes. So if you use yahoo search, there you go ;)
"This repository contains a set of example map-reduces using Hadoop.
Specifically, there are examples for:
* Pagerank
* Canopy-clustering "
more examples like k-means here: http://delicious.com/pskomoroch/hadoop+code