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From: Thomas Munro <[email protected]>
To: Tom Lane <[email protected]>
Cc: Andres Freund <[email protected]>
Cc: Michael Paquier <[email protected]>
Cc: Andrew Dunstan <[email protected]>
Cc: Amul Sul <[email protected]>
Cc: Zsolt Parragi <[email protected]>
Cc: Robert Haas <[email protected]>
Cc: Chao Li <[email protected]>
Cc: Anthonin Bonnefoy <[email protected]>
Cc: Fujii Masao <[email protected]>
Cc: Jakub Wartak <[email protected]>
Cc: PostgreSQL Hackers <[email protected]>
Subject: Re: pg_waldump: support decoding of WAL inside tarfile
Date: Sun, 29 Mar 2026 11:08:43 +1300
Message-ID: <CA+hUKGKjRa0NmHCUc2XaF=FjdSztm357VgtUhH4LXhCmisLfaA@mail.gmail.com> (raw)
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On Sun, Mar 29, 2026 at 10:49 AM Tom Lane <[email protected]> wrote:
> Huh.  What is your platform exactly?  Maybe more to the point,
> what is the tar program you're using?

FreeBSD tar 3.8.2.

> > Seems like it already stepped over 000000010000000000000002 earlier?
> > Could it be a table-of-contents order dependency bug or something like
> > that?
>
> If you look at the TAP script, you'll see that it tries to randomize
> the order of the entries in the tar file (see sub generate_archive).
> So if that's the problem, it shouldn't reproduce 100%, and also we
> should be seeing lots of freckles on the buildfarm.  We're not, so
> there must be something off-the-beaten-track about your test
> environment.

Right, I see now.  There is something different about
000000010000000000000002 though: it doesn't seem to have a normal
(non-PAX, non-GNU) TOC entry, unlike000000010000000000000001.  Trying
to figure out why...

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