Jay Parikh, VP of infrastructure engineering at Facebook, says that real-time processing and graph analysis are the hottest areas of exploration at Facebook. Graph processing is where Facebook is innovating. “Everything in Facebook is modeled as a social graph, and it’s a completely different way to model data than is used in the relational world,” Parikh explains. “We’re trying to develop more powerful ways to query the graph. MapReduce requires a lot of iteration and it’s non-intuitive.” Read the whole article here.