I work in a medium sized telco, we have had Spark for prototypes for over a year and have now got a roadmap to put it in production. I think Spark will totally

I work in a medium sized telco, we have had Spark for prototypes for over a year and have now got a roadmap to put it in production. I think Spark will totally displace map-reduce in the next 12 months (because it's got map reduce in it, but in memory).