From: Tom Lane <tgl@sss.pgh.pa.us>
To: Michael Paquier <michael@paquier.xyz>
cc: Thomas Munro <thomas.munro@gmail.com>, Noah Misch <noah@leadboat.com>,
        Kyotaro Horiguchi <horikyota.ntt@gmail.com>, exclusion@gmail.com,
        pgsql-bugs@lists.postgresql.org
Subject: Re: BUG #17928: Standby fails to decode WAL on termination of primary
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Comments: In-reply-to Michael Paquier <michael@paquier.xyz>
	message dated "Sat, 12 Aug 2023 09:20:32 +0900"
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Date: Fri, 11 Aug 2023 20:32:00 -0400
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Michael Paquier <michael@paquier.xyz> writes:
> On Sat, Aug 12, 2023 at 11:56:45AM +1200, Thomas Munro wrote:
>> On Sat, Aug 12, 2023 at 2:00=E2=80=AFAM Noah Misch <noah@leadboat.com> =
wrote:
>>> I recall earlier messages theorizing that it was just harder to hit in=
 v14, so
>>> I'm disinclined to stop at v15.  I think the main choice is whether to=
 stop at
>>> v11 (normal choice) or v12 (worry about breaking the last v11 point re=
lease).
>>> I don't have a strong opinion between those.

> Okay.  I wouldn't be inclined to patch v11 for that, FWIW, as this
> code path is touched by recovery and more.  At least it does not seem =

> worth taking any risk compared to the potential gain.

That was my gut reaction too -- risk/reward seems not great for the
last v11 release.  (I've been burned a couple of times now by putting
can't-fix-it-anymore bugs into the final release of a branch, so maybe
I'm just being overly paranoid.  But it's something to worry about.)

			regards, tom lane