Re: Can't restart postmaster! - Mailing list pgsql-general

> Am I correct that with no UNDO in 7.1.X, we should only be keeping one
> WAL file around, or maybe two?

Not necessarily.  How much do you do between checkpoints?

But yeah, there's no reason to save data further back than one or maybe
two checkpoints, as long as UNDO isn't there.

            regards, tom lane