Re: VACUUM FREEZE vs plain VACUUM

From: "David G(dot) Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com>
To: Ron Johnson <ronljohnsonjr(at)gmail(dot)com>
Cc: pgsql-admin <pgsql-admin(at)postgresql(dot)org>
Subject: Re: VACUUM FREEZE vs plain VACUUM
Date: 2025-07-18 03:27:58
Message-ID: CAKFQuwZ2QYoaNw3NQLYZJ2m13K-ggB=DLUX-5Vv7v=W+pCzNVg@mail.gmail.com
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On Thursday, July 17, 2025, Ron Johnson <ronljohnsonjr(at)gmail(dot)com> wrote:
>
>
> Even on that just-frozen, never-modified table, age(relfrozenxid) grows
> towards autovacuum_freeze_max_age.
>

I stand corrected. Of course pg_class.relfrozenxid wouldn’t continually
change until an unfrozen tuple appeared…

David J.

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