> On Oct 20, 2022, at 10:29, Ron <ronljohnsonjr(at)gmail(dot)com> wrote:
> There's no pre-allocation in Postgresql.
This is correct in that you can't say "please allocate 3GB for this table for me now." The number of pages that are added to the end of a file isn't always one though; it can allocate more based on recent activity.