Re: Get rid of WALBufMappingLock

From: Álvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org>
To: Michael Paquier <michael(at)paquier(dot)xyz>
Cc: Alexander Korotkov <aekorotkov(at)gmail(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Pavel Borisov <pashkin(dot)elfe(at)gmail(dot)com>, Victor Yegorov <vyegorov(at)gmail(dot)com>, Yura Sokolov <y(dot)sokolov(at)postgrespro(dot)ru>, "pgsql-hackers(at)lists(dot)postgresql(dot)org" <pgsql-hackers(at)lists(dot)postgresql(dot)org>, Andres Freund <andres(at)anarazel(dot)de>
Subject: Re: Get rid of WALBufMappingLock
Date: 2025-02-28 13:13:23
Message-ID: 202502281313.4lc5yjpainhk@alvherre.pgsql
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On 2025-Feb-28, Michael Paquier wrote:

> Saying that, I have also done similar tests with your v12 for a couple
> of hours and this looks stable under installcheck-world. I can see
> that you've reworked quite a bit the surroundings of InitializedFrom
> in this one. If you apply that once again at some point, the
> buildfarm will be judge in the long-term, but I am rather confident by
> saying that the situation looks better here, at least.

Heh, no amount of testing can prove lack of bugs; but for sure "it looks
different now, so it must be correct" must be the weakest proof of
correctness I've heard of!

--
Álvaro Herrera Breisgau, Deutschland — https://www.EnterpriseDB.com/
"I am amazed at [the pgsql-sql] mailing list for the wonderful support, and
lack of hesitasion in answering a lost soul's question, I just wished the rest
of the mailing list could be like this." (Fotis)
https://postgr.es/m/200606261359.k5QDxE2p004593@auth-smtp.hol.gr

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