Thanks. I've been testing on 3-4M records on a quad-core laptop, and it works great. I would guess that 10M records will be doable on an 8-12 core Mac Pro, but

Thanks. I've been testing on 3-4M records on a quad-core laptop, and it works great. I would guess that 10M records will be doable on an 8-12 core Mac Pro, but I don't have access to one to test this particular hypothesis.