The limitation of 100 million rows is just for 14-day trial purposes; for the paid versions, the lower volumes are quoted as 'Getting Started' prices. For enterprise scale, people can contact MapD to get customized pricing.
As far as the scaling question goes, MapD has a public demo on the website with 11 billion records (and product performance scales somewhat linearly as more GPUs added):
https://www.mapd.com/demos/ships/
The limitation of 100 million rows is just for 14-day trial purposes; for the paid versions, the lower volumes are quoted as 'Getting Started' prices. For enterprise scale, people can contact MapD to get customized pricing.
As far as the scaling question goes, MapD has a public demo on the website with 11 billion records (and product performance scales somewhat linearly as more GPUs added): https://www.mapd.com/demos/ships/