Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1rYUML-00GFft-Qf for pgsql-admin@arkaria.postgresql.org; Fri, 09 Feb 2024 17:08:18 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.94.2) (envelope-from ) id 1rYUMK-00AA2Z-7n for pgsql-admin@arkaria.postgresql.org; Fri, 09 Feb 2024 17:08:16 +0000 Received: from makus.postgresql.org ([2001:4800:3e1:1::229]) by malur.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1rYUMJ-00AA2Q-Nw for pgsql-admin@lists.postgresql.org; Fri, 09 Feb 2024 17:08:15 +0000 Received: from mailout.easymail.ca ([64.68.200.34]) by makus.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1rYUMG-005uzJ-Ou for pgsql-admin@lists.postgresql.org; Fri, 09 Feb 2024 17:08:14 +0000 Received: from localhost (localhost [127.0.0.1]) by mailout.easymail.ca (Postfix) with ESMTP id BDC0F6A1D5; Fri, 9 Feb 2024 17:08:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=elevated-dev.com; s=easymail; t=1707498490; bh=D68kqc3TzKdQ9ik2tsFHEhxzjhW3p1SRQ7kFENpP8YM=; h=Subject:From:In-Reply-To:Date:Cc:References:To:From; b=z7ir3VBy6s4XSfxqcYCf8teV+snsCvrAKTbneuLvpLRENc4iw2b1G+XhBjofW40x5 UYgnNRp6IT3UkZIeGbLddCdr4LWZhs/9oQ64Kdzn1bLH5Hhw/0jLvl6G1pekdXV9hE cvG8h83c9fs2x8Os/P7u0iCpt8in7LCocXP0E7j9hzWg86aw1z4G91ySB47gdQRYGZ t/RSu58BQm4hHg/d+Ei0flQogKatg5IZb9gq+U/6nPkGP0lK93ZGnPIzNGxKJ0dUzK e9O+4TKN3Oq4h5tJVpMXM2Lt6uv+ZFdJAgsZQ8yoWOgJtRx+p6repZY71MbRS+BqZw TNA8MY58XrwBA== X-Virus-Scanned: Debian amavisd-new at emo07-pco.easydns.vpn Received: from mailout.easymail.ca ([127.0.0.1]) by localhost (emo07-pco.easydns.vpn [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id DtEA66wWxe-5; Fri, 9 Feb 2024 17:08:10 +0000 (UTC) Received: from smtpclient.apple (unknown [165.140.184.195]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mailout.easymail.ca (Postfix) with ESMTPSA id 2F5046596F; Fri, 9 Feb 2024 17:08:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=elevated-dev.com; s=easymail; t=1707498490; bh=D68kqc3TzKdQ9ik2tsFHEhxzjhW3p1SRQ7kFENpP8YM=; h=Subject:From:In-Reply-To:Date:Cc:References:To:From; b=z7ir3VBy6s4XSfxqcYCf8teV+snsCvrAKTbneuLvpLRENc4iw2b1G+XhBjofW40x5 UYgnNRp6IT3UkZIeGbLddCdr4LWZhs/9oQ64Kdzn1bLH5Hhw/0jLvl6G1pekdXV9hE cvG8h83c9fs2x8Os/P7u0iCpt8in7LCocXP0E7j9hzWg86aw1z4G91ySB47gdQRYGZ t/RSu58BQm4hHg/d+Ei0flQogKatg5IZb9gq+U/6nPkGP0lK93ZGnPIzNGxKJ0dUzK e9O+4TKN3Oq4h5tJVpMXM2Lt6uv+ZFdJAgsZQ8yoWOgJtRx+p6repZY71MbRS+BqZw TNA8MY58XrwBA== Content-Type: text/plain; charset=utf-8 Mime-Version: 1.0 (Mac OS X Mail 16.0 \(3774.400.31\)) Subject: Re: upgrade questions From: Scott Ribe In-Reply-To: Date: Fri, 9 Feb 2024 10:07:59 -0700 Cc: "pgsql-admin@lists.postgresql.org" Content-Transfer-Encoding: quoted-printable Message-Id: <6EF3E79A-DC46-4E47-9088-48230FE235A7@elevated-dev.com> References: To: David Barron X-Mailer: Apple Mail (2.3774.400.31) List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk > On Feb 9, 2024, at 10:00=E2=80=AFAM, David Barron = wrote: >=20 > I=E2=80=99ve also seen references to copying over the pg_hba.conf and = postgresql.conf files from the old data directory to the new. Then you will be getting default values for the many, many parameters = added to postgresql.conf between 11 & 15--and will have no explanatory = entries documenting them. A much better suggestion is to diff the two, = and apply customizations from the old to the new. (Also skim release = notes for any that have been mooted.)=