Ville Tuulos Principal Engineer @ AdRoll ville.tuulos@adroll.com We faced the key technical challenge of modern Business Intelligence: How to query tens of billions of events interactively? Our solution, DeliRoll, is implemented in Python. Everyone knows that Python is SLOW. You can't handle big data with low latency in Python! Small Benchmark Data: 1.5 billion rows, 400 columns - 660GB. Smaller e
