Re: WAL replay logic (was Re: [PERFORM] Mount options f

> > > > So if you do this, do you still need to store that information in
> > > > pg_control at all?
> >
> > Yes: to "speeds up the recovery process".
>
> If it's going to slow down the performance of my database when not doing
> recovery (because I have to write two files for every transaction,
> rather than one)

Control file is not updated "for every transaction", only on a few special
events
like checkpoint.

Vadim