Agreed. Quite simple to use, and provides a good foundation for learning about Map/Reduce with little initial overhead.

I'm working on a fork (https://github.com/pjkundert/mincemeatpy) which enhances the robustness of the asyncore/async_chat based networking code (in addition to adding a Client to Server back-channel, to allow Clients to schedule Map/Reduce tasks), for use in a shipping product.