Horton

Re: [PATCH] Document wal_compression=on

John Naylor <johncnaylorls@gmail.com>

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From: John Naylor <johncnaylorls@gmail.com>
To: Christoph Berg <myon@debian.org>, PostgreSQL-development <pgsql-hackers@postgresql.org>, Michael Paquier <michael@paquier.xyz>
Date: 2026-06-29T10:41:27Z
Lists: pgsql-hackers 
On Mon, Jun 29, 2026 at 5:04 PM Christoph Berg <myon@debian.org> wrote:
>
> The docs currently don't say what wal_compression=on is, so here is a
> patch.

+1 for documenting this.

+        The value <literal>on</literal> is a deprecated alias for
<literal>pglz</literal>.

"deprecated" implies we may remove it someday. I don't think we'd gain
from doing that, but we could instead call 'on' a "historical
spelling" of 'pglz'.

-- 
John Naylor
Amazon Web Services

Commits

  1. Document wal_compression=on