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From: Andrey Borodin <[email protected]>
To: Heikki Linnakangas <[email protected]>
Cc: Sebastian Webber <[email protected]>
Cc: [email protected]
Cc: Andrey Borodin <[email protected]>
Cc: Álvaro Herrera <[email protected]>
Cc: Dmitry Yurichev <[email protected]>
Cc: Chao Li <[email protected]>
Cc: Ivan Bykov <[email protected]>
Cc: Kirill Reshke <[email protected]>
Subject: Re: 17.8 standby crashes during WAL replay from 17.5 primary: "could not access status of transaction"
Date: Sat, 14 Feb 2026 22:41:43 +0500
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
References: <CACV2tSw3VYS7d27ftO_cs+aF3M54+JwWBbqSGLcKoG9cvyb6EA@mail.gmail.com>
	<[email protected]>
	<[email protected]>



> On 14 Feb 2026, at 21:18, Andrey Borodin <[email protected]> wrote:
> 
> Perhaps, we also can bump latest_page_number forward?
This is not a good idea, we don't want "most accurate latest_page_number", we need precise number at any point after StartupMultiXact().

Wiping write by XLOG_MULTIXACT_TRUNCATE_ID seems correct to me everywhere 14-18.

I'd also suggest updating comment:

* this is not critical data, since we use it only to avoid swapping out
* the latest page.

It's absolutely critical now.


Best regards, Andrey Borodin.

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