Re: Automatic free space map filling

Peter Eisentraut <peter_e@gmx.net> writes:
> Tom Lane wrote:
>> How does an optimistic FSM entry avoid the need to run vacuum?

> It ensures that all freed tuples are already in the FSM.

That has nothing to do with it, because the space isn't actually free
for re-use until vacuum deletes the tuple.
        regards, tom lane