[bcuccioli]

Wow. I worked on Millwheel as a summer intern the summer before last. At the time it was a team of about 11 people. I'm honestly pretty surprised to see this comment as I thought it was just a small internal research project.

Have you seen any references to it in the wild other than the Google Research paper?

[deutronium]

Oh maybe I'm wrong, I really thought I saw something that said it was used for the index creation. I'm just having a look over the papers I've read.

They do definitely seem to have switched from MapReduce though at least - http://www.theregister.co.uk/2010/09/09/google_caffeine_expl...