Re: VM corruption on standby

From: Alexander Korotkov <aekorotkov(at)gmail(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Kirill Reshke <reshkekirill(at)gmail(dot)com>, Thomas Munro <thomas(dot)munro(at)gmail(dot)com>, Andrey Borodin <x4mmm(at)yandex-team(dot)ru>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>, Melanie Plageman <melanieplageman(at)gmail(dot)com>, Michael Paquier <michael(at)paquier(dot)xyz>
Subject: Re: VM corruption on standby
Date: 2025-08-21 22:27:17
Message-ID: CAPpHfduRYna9zAHSV-ny8pZCiW-Xb8NZALVsxTvY17PWsVJmqA@mail.gmail.com
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Hi, Tom!

On Tue, Aug 19, 2025 at 10:50 PM Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> I'm inclined to think that we do want to prohibit WaitEventSetWait
> inside a critical section --- it just seems like a bad idea all
> around, even without considering this specific failure mode.
> Therefore, I vote for reverting bc22dc0e0. Hopefully only
> temporarily, but it's too late to figure out another way for v18,
> and I don't think that bc22dc0e0 is such an essential improvement
> that we can't afford to give it up for v18.

I'm OK about this. Do you mind if I revert bc22dc0e0 myself?
And let's retry it for v19.

------
Regards,
Alexander Korotkov
Supabase

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