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 4.98.2) (envelope-from ) id 1x8SjI-00000001FI0-3jIs for pgsql-hackers@arkaria.postgresql.org; Mon, 21 Sep 2026 01:22:01 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.98.2) (envelope-from ) id 1x8SjH-00000007PuT-3aoJ for pgsql-hackers@arkaria.postgresql.org; Mon, 21 Sep 2026 01:21:59 +0000 Received: from magus.postgresql.org ([2a02:c0:301:0:ffff::29]) by malur.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.98.2) (envelope-from ) id 1x8SjH-00000007PuJ-260v for pgsql-hackers@lists.postgresql.org; Mon, 21 Sep 2026 01:21:59 +0000 Received: from momjian.us ([72.94.173.45]) by magus.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.98.2) (envelope-from ) id 1x8SjE-00000000RfP-3x7s for pgsql-hackers@lists.postgresql.org; Mon, 21 Sep 2026 01:21:59 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=momjian.us; s=2026010100; h=Content-Type:MIME-Version:Message-ID:Subject:To:From:Date: Sender:Reply-To:Cc:Content-Transfer-Encoding:Content-ID:Content-Description: In-Reply-To:References; bh=cU3cbl1UphZJFmrFJza+ZPyyVHTmDPUq1QJ+77XHN1w=; b=AQ eNQiDqov9d894+aZUlIl90kDbBNtLCmtrMCqU2e/RNPCpSkbAgkO7A6+dSeqZb5/w/FBDBIRPC9dk XVsL5pDJIApiBa9t952ZyTYmT6f+hPt7JyhiZb/uOiM7Gi05emIjFAeiQ7wJb0L0MwLL2FfV0M7mO vE7qUcLRUQLbhpkZoklSzRkZHPuxkglbnZMFC9YBY3fxpBzvm28ILp+zGfbpvgG26E12vUUTQkm+H TNJ9seU0qnN/oKiIw3pLhDJ2GH26/TYJR0IJqXZuXV3pUbm0hJ4iku6AUTdB3Op2r910/qiD6EOHl 5CT9vepLEItPjlBVne3iTZoJM4+UmyJw==; Received: from bruce by momjian.us with local (Exim 4.98.2) (envelope-from ) id 1x8SjC-0000000EWjr-22vA for pgsql-hackers@lists.postgresql.org; Sun, 20 Sep 2026 21:21:54 -0400 Date: Sun, 20 Sep 2026 21:21:54 -0400 From: Bruce Momjian To: PostgreSQL-development Subject: Video about non-volatile memory technology Message-ID: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk This 30-minute video explains the history of non-volatile RAM, specifically 3D XPoint, Optane, and CXL, and how hard it is to re-architect software to use it when DRAM and NAND performance continues to improve: https://www.youtube.com/watch?v=A2BsmrnegrY This is obviously relevant because databases like quick access to non-volatile storage. In summary, the technology never hit critical mass and is being deemphasized. -- Bruce Momjian https://momjian.us EDB https://enterprisedb.com Do not let urgent matters crowd out time for investment in the future.