| From: | Andres Freund <andres(at)anarazel(dot)de> |
|---|---|
| To: | Jehan-Guillaume de Rorthais <jgdr(at)dalibo(dot)com> |
| Cc: | PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: [patch] demote |
| Date: | 2020-06-18 17:10:15 |
| Message-ID: | 20200618171015.7jdn2xfzh744ru7i@alap3.anarazel.de |
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| Thread: | |
| Lists: | pgsql-hackers |
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
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