[pvnick]

This is likely the best answer for those who wish to code within the map/reduce paradigm by hand and would prefer to use python.

[pwang]

BUT WHY

Your performance is going to be complete and utter crap because you're paying for serialization on every single data element.

Dask is higher performance and more pythonic: http://matthewrocklin.com/blog/work/2016/02/22/dask-distribu...