Re: Why clearing the VM doesn't require registering vm buffer in wal record

From: Robert Haas <robertmhaas(at)gmail(dot)com>
To: Andres Freund <andres(at)anarazel(dot)de>
Cc: Melanie Plageman <melanieplageman(at)gmail(dot)com>, Matthias van de Meent <boekewurm+postgres(at)gmail(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>, Heikki Linnakangas <hlinnaka(at)iki(dot)fi>
Subject: Re: Why clearing the VM doesn't require registering vm buffer in wal record
Date: 2026-05-01 17:30:38
Message-ID: CA+TgmoZVSTTR9wa6zNV_j0A6mZvg=xm9X1pWZh7dty1_GcE+uQ@mail.gmail.com
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On Fri, May 1, 2026 at 12:58 PM Andres Freund <andres(at)anarazel(dot)de> wrote:
> Well, right now the regress_log* files that involve combining backups are so
> long that it's hard to find the actual stuff that's happening - and it's worse
> with the test Melanie is proposing because it runs a few iterations of
> combining backups. So I think it's not universal that you'd want it.

Fair enough.

> > Another possible approach could be to direct the output to a temporary
> > file. At the end of the test run, if no tests failed, remove the file.
> > If there were any failures, copy that file's contents into the log.
>
> I think that's probably the better direction. I'd not even include it
> directly into regress_log, just put it alongside it, like we have the server
> logs etc.

Oh, yeah, OK, as long as CI will capture it, that WFM.

--
Robert Haas
EDB: http://www.enterprisedb.com

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