To start with, tdbloader2 uses the assumption that the tuples are sorted (actually, it sorts them, then uses that assumption) as described in this old blog post of Andy's:
https://seaborne.blogspot.com/2010/12/repacking-btrees.html That's one reason that you only want to use tbdloader2 to start from scratch. Andy, of course, can say more. --- A. Soroka The University of Virginia Library > On Apr 15, 2017, at 2:58 PM, Laura Morales <laure...@mail.com> wrote: > >> Use tdbloader for 10M quads. > > I wonder how is tdbloader technically different from tdbloader2. What makes > tdbloader more suited for small/medium datasets and tdbloader2 more suited > for very large datasets? Do they implement different insertion algorithms?
