Here's a nice explanation: http://ayende.com/blog/4435/map-reduce-a-visual-explanation http://ayende.com/blog/4435/map-reduce-a-visual-explanation And a nice s

Here's a nice explanation: http://ayende.com/blog/4435/map-reduce-a-visual-explanation http://ayende.com/blog/4435/map-reduce-a-visual-explanation And a nice simple little hadoop setup: http://hadoop.apache.org/common/docs/current/single_node_setup.html http://hadoop.apache.org/common/docs/current/single_node_set...