Qubole offers Presto as a Service with a free trial (http://www.qubole.com http://www.qubole.com) with a bunch of interesting enhancements for the cloud. We've

Qubole offers Presto as a Service with a free trial (http://www.qubole.com http://www.qubole.com) with a bunch of interesting enhancements for the cloud. We've found Presto to be a great engine for realtime queries over large datasets.