Have you tried the native visual analytics client that comes with MapD, MapD Immerse? (https://www.mapd.com/platform/immerse/). It’s not a full BI tool but is very good for interactively slicing and dicing datasets from 1M to 100B rows. Here’s a demo of it on 11.6B rows of US Ship data (https://www.mapd.com/demos/ships).