Read More Powering the holidays: Lost seconds cost millions Rent the Runway, based in New York, has been using New Relic for more than three years to monitor its website and catch the bottlenecks. Heading into the 2014 holiday season, Rent the Runway is moving its inventory into a new 150,000-square foot facility in Secaucus, New Jersey, quadruple the size of its current space, and is deploying New Relic to manage the warehouse. During the holiday rush, the company gets about 25,000 items returned and sends 50 to 60 percent of its inventory back out, said Camille Fournier, the chief technology officer.