Re: BUG #17928: Standby fails to decode WAL on termination of primary

From: Thomas Munro <thomas(dot)munro(at)gmail(dot)com>
To: Michael Paquier <michael(at)paquier(dot)xyz>
Cc: Alexander Lakhin <exclusion(at)gmail(dot)com>, Sergei Kornilov <sk(at)zsrv(dot)org>, Noah Misch <noah(at)leadboat(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Kyotaro Horiguchi <horikyota(dot)ntt(at)gmail(dot)com>, pgsql-bugs(at)lists(dot)postgresql(dot)org, Fujii Masao <masao(dot)fujii(at)oss(dot)nttdata(dot)com>
Subject: Re: BUG #17928: Standby fails to decode WAL on termination of primary
Date: 2023-09-24 20:02:35
Message-ID: CA+hUKGKo5O_f8aBDoEMkxHmuWdFfmPPo6wL4q85b_0PDuHwZEA@mail.gmail.com
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On Sun, Sep 24, 2023 at 12:23 PM Michael Paquier <michael(at)paquier(dot)xyz> wrote:
> Hmm, it looks pretty clear that this is a HEAD-only thing as the
> buildfarm shows and as you say, and my primary suspect here would be
> 71e4cc6b8ec6, I think. Any race condition underneath it would be
> easier to see on slower machines. So it's likely possible that this
> has messed up the page insertion logic.

I see there was a failure on 16 on the very slow AIX box, and I have
access so looking into that...

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