Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1ngXc4-0007T1-O1 for pgsql-hackers@arkaria.postgresql.org; Mon, 18 Apr 2022 20:04:44 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.92) (envelope-from ) id 1ngXc3-00022K-FQ for pgsql-hackers@arkaria.postgresql.org; Mon, 18 Apr 2022 20:04:43 +0000 Received: from magus.postgresql.org ([2a02:c0:301:0:ffff::29]) by malur.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1ngXc3-0001yu-5U for pgsql-hackers@lists.postgresql.org; Mon, 18 Apr 2022 20:04:43 +0000 Received: from momjian.us ([72.94.173.45]) by magus.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1ngXbz-0006RE-7h for pgsql-hackers@postgresql.org; Mon, 18 Apr 2022 20:04:42 +0000 Received: from bruce by momjian.us with local (Exim 4.94.2) (envelope-from ) id 1ngXbs-008GC1-H6; Mon, 18 Apr 2022 16:04:32 -0400 Date: Mon, 18 Apr 2022 16:04:32 -0400 From: Bruce Momjian To: Robert Haas Cc: Peter Geoghegan , Matthias van de Meent , Michael Paquier , PostgreSQL Hackers Subject: Re: Preventing indirection for IndexPageGetOpaque for known-size page special areas Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk On Thu, Apr 7, 2022 at 03:11:24PM -0400, Robert Haas wrote: > On Thu, Apr 7, 2022 at 2:43 PM Peter Geoghegan wrote: > > But if we were in a green-field situation we'd probably not want to > > use up several bytes for a nonse anyway. You said so yourself. > > I don't know what statement of mine you're talking about here, and > while I don't love using up space for a nonce, it seems to be the way > this encryption stuff works. I don't see that there's a reasonable > alternative, green field or no. Uh, XTS doesn't require a nonce, so why are talking about nonces in this thread? -- Bruce Momjian https://momjian.us EDB https://enterprisedb.com Indecision is a decision. Inaction is an action. Mark Batterson