[sgt101]

I think that the disruptions are : - Twill with everything (inc unikernels) under Yarn (or Mesos) - The Machine (if it's real) - Datacentre scale integration (so things like 500 different processors in each u which are powered up by the fabric manager to efficiently meet the workload at hand)

I think any vendor who wants to compete with the Open-Source/commodity world will need to do as well as / better than the above to get anywhere!

Programming MR is all done - I wrote MR in Java in 2008->12; never will I again as it's rdd's, transformations and actions now, and it's dead easy (MR is too but the API wasn't)!