public inbox for pgsql-docs@postgresql.org
help / color / mirror / Atom feedFrom: Bruce Momjian <bruce@momjian.us>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: colinthart@gmail.com
Cc: pgsql-docs@lists.postgresql.org
Subject: Re: Which parameters are only used on startup?
Date: Mon, 22 Dec 2025 19:50:12 -0500
Message-ID: <aUnnRBNpu5CojY1y@momjian.us> (raw)
In-Reply-To: <651983.1766449750@sss.pgh.pa.us>
References: <176414965817.802.9539749613450037479@wrigleys.postgresql.org>
<aUne5_ndL8nYU3aW@momjian.us>
<651983.1766449750@sss.pgh.pa.us>
On Mon, Dec 22, 2025 at 07:29:10PM -0500, Tom Lane wrote:
> Bruce Momjian <bruce@momjian.us> writes:
> > On Wed, Nov 26, 2025 at 09:34:18AM +0000, PG Doc comments form wrote:
> >> Clarify that ssl_cert_file and ssl_key_file are only read on startup --
> >> implying that the params can be changed and the files moved to the new
> >> location/name without requiring a restart. Of course a restart is good to
> >> validate that the params and files are configured correctly.
>
> > The docs say that you can only change this in postgresql.conf or on the
> > command line. Changes to postgresql.conf requires pg_ctl reload or
> > something similar.
>
> The actual problem with this change request is that it's wrong.
> We've supported changing ssl_cert_file --- either the GUC value
> or the file contents --- via "pg_ctl reload" or equivalent for
> years now (cf. commits de41869b6, 6667d9a6d). So I don't see
> anything wrong with the docs text as it stands.
I had trouble parsing his text too but I think the original poster's
point was that changing these values don't affect a connected session.
When the original poster says restart, I think he/she means restart the
session, not the postmaster, but I am not 100% clear on that either.
--
Bruce Momjian <bruce@momjian.us> https://momjian.us
EDB https://enterprisedb.com
Do not let urgent matters crowd out time for investment in the future.
reply
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Reply to all the recipients using the --to and --cc options:
reply via email
To: pgsql-docs@postgresql.org
Cc: bruce@momjian.us, tgl@sss.pgh.pa.us, colinthart@gmail.com, pgsql-docs@lists.postgresql.org
Subject: Re: Which parameters are only used on startup?
In-Reply-To: <aUnnRBNpu5CojY1y@momjian.us>
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
This inbox is served by agora; see mirroring instructions
for how to clone and mirror all data and code used for this inbox