Adrian Klaver <adrian(dot)klaver(at)aklaver(dot)com> writes:
> So this is the part I need some clarification on. If you start vacuuming
> the tables that are setting the min then that should buy you some time?
Yes, if there are some small tables that have relfrozenxid even further
back than the big ones, vacuuming them first would be a win.
regards, tom lane