Feedback-ID: i0fe9450f:Fastmail
Date: Sat, 21 Mar 2026 15:23:41 +0900
From: Michael Paquier <michael@paquier.xyz>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Andrew Dunstan <andrew@dunslane.net>, Amul Sul <sulamul@gmail.com>,
	Zsolt Parragi <zsolt.parragi@percona.com>,
	Robert Haas <robertmhaas@gmail.com>,
	Chao Li <li.evan.chao@gmail.com>,
	Jakub Wartak <jakub.wartak@enterprisedb.com>,
	PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>
Subject: Re: pg_waldump: support decoding of WAL inside tarfile
Message-ID: <ab45bcgOw9Flrj3K@paquier.xyz>
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On Fri, Mar 20, 2026 at 11:49:02PM -0400, Tom Lane wrote:
> Andrew Dunstan <andrew@dunslane.net> writes:
> > Thanks, committed with very minor tweaks.
>=20
> Buildfarm members batta and hachi don't like this very much.
> They fail the pg_verifybackup tests like so:
>=20
> # Running: pg_verifybackup --exit-on-error /home/admin/batta/buildroot/HE=
AD/pgsql.build/src/bin/pg_verifybackup/tmp_check/t_008_untar_primary_data/b=
ackup/server-backup
> pg_waldump: error: could not find WAL in archive "base.tar.zst"
> pg_verifybackup: error: WAL parsing failed for timeline 1

I did not look at what's happening on the host, but it seems like a
safe bet to assume that we are not seeing many failures in the
buildfarm because we don't have many animals that have the idea to add
--with-zstd to their build configuration, like these two ones.
--
Michael

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