Solving Big Data Challenges for Enterprise Application Performance Management Tilmann Rabl Middleware Systems Research Group University of Toronto, Canada tilmann@msrg.utoronto.ca Mohammad Sadoghi Middleware Systems Research Group University of Toronto, Canada mo@msrg.utoronto.ca Hans-Arno Jacobsen Middleware Systems Research Group University of Toronto, Canada arno@msrg.utoronto.ca Sergio Gómez-