Re: [patch] demote

Hi,

On 2020-06-18 12:16:27 +0200, Jehan-Guillaume de Rorthais wrote:
> On Wed, 17 Jun 2020 11:14:47 -0700
> > I don't think there's a fundamental issue, but I think it needs to deal
> > with a lot more things than it does right now. StartupXLOG doesn't
> > currently deal correctly with subsystems that are already
> > initialized. And your patch doesn't make it so as far as I can tell.
> 
> If you are talking about bgwriter, checkpointer, etc, as far as I understand
> the current state machine, my patch actually deal with them.

I'm talking about subsystems like subtrans multixact etc not being ok
with suddenly being initialized a second time. You cannot call
StartupXLOG twice without making modifications to it.

Greetings,

Andres Freund