From: Michael Paquier <michael@paquier.xyz>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Bertrand Drouvot <bertranddrouvot.pg@gmail.com>
Cc: Alexander Lakhin <exclusion@gmail.com>
Cc: Yu Shi (Fujitsu) <shiy.fnst@fujitsu.com>
Cc: Robert Haas <robertmhaas@gmail.com>
Cc: Andres Freund <andres@anarazel.de>
Cc: Thomas Munro <thomas.munro@gmail.com>
Cc: PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>
Subject: Re: Test slots invalidations in 035_standby_logical_decoding.pl only if dead rows are removed
Date: Mon, 15 Jan 2024 13:11:26 +0900
Message-ID: <ZaSwbl4AYcHS-zzP@paquier.xyz> (raw)
In-Reply-To: <1375923.1705291719@sss.pgh.pa.us>
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<1375923.1705291719@sss.pgh.pa.us>
On Sun, Jan 14, 2024 at 11:08:39PM -0500, Tom Lane wrote:
> Michael Paquier <michael@paquier.xyz> writes:
>> While thinking about that, a second idea came into my mind: a
>> superuser-settable developer GUC to disable such WAL records to be
>> generated within certain areas of the test. This requires a small
>> implementation, but nothing really huge, while being portable
>> everywhere. And it is not the first time I've been annoyed with these
>> records when wanting a predictible set of WAL records for some test
>> case.
>
> Hmm ... I see what you are after, but to what extent would this mean
> that what we are testing is not our real-world behavior?
Don't think so. We don't care much about these records when it comes
to checking slot invalidation scenarios with a predictible XID
horizon, AFAIK.
--
Michael
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To: pgsql-hackers@postgresql.org
Cc: michael@paquier.xyz, tgl@sss.pgh.pa.us, bertranddrouvot.pg@gmail.com, exclusion@gmail.com, shiy.fnst@fujitsu.com, robertmhaas@gmail.com, andres@anarazel.de, thomas.munro@gmail.com, pgsql-hackers@lists.postgresql.org
Subject: Re: Test slots invalidations in 035_standby_logical_decoding.pl only if dead rows are removed
In-Reply-To: <ZaSwbl4AYcHS-zzP@paquier.xyz>
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