Re: ReadRecentBuffer() doesn't scale well

From: Peter Geoghegan <pg(at)bowt(dot)ie>
To: Andres Freund <andres(at)anarazel(dot)de>
Cc: Thomas Munro <thomas(dot)munro(at)gmail(dot)com>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: ReadRecentBuffer() doesn't scale well
Date: 2023-06-27 04:32:22
Message-ID: CAH2-WzkTN+50AcCrD2r6XpWvvb+MJ=F-JEeMBZ48NErmi3eZPw@mail.gmail.com
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On Mon, Jun 26, 2023 at 9:09 PM Andres Freund <andres(at)anarazel(dot)de> wrote:
> I think we should be able to have a post-check that can figure out
> if the copied root page is out of date after searching it, without needing the
> content lock.

I'm guessing that you're thinking of doing something with the page LSN?

--
Peter Geoghegan

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