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 1ofsf9-0004r5-SY for pgsql-admin@arkaria.postgresql.org; Wed, 05 Oct 2022 00:53:27 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.92) (envelope-from ) id 1ofsf8-0000h3-Q1 for pgsql-admin@arkaria.postgresql.org; Wed, 05 Oct 2022 00:53:26 +0000 Received: from makus.postgresql.org ([2001:4800:3e1:1::229]) by malur.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1ofsf8-0000gt-Fm for pgsql-admin@lists.postgresql.org; Wed, 05 Oct 2022 00:53:26 +0000 Received: from mailout.easymail.ca ([64.68.200.34]) by makus.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1ofsf1-0002DH-G8 for pgsql-admin@lists.postgresql.org; Wed, 05 Oct 2022 00:53:25 +0000 Received: from localhost (localhost [127.0.0.1]) by mailout.easymail.ca (Postfix) with ESMTP id 84B99E5352; Wed, 5 Oct 2022 00:53:17 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at emo08-pco.easydns.vpn Received: from mailout.easymail.ca ([127.0.0.1]) by localhost (emo08-pco.easydns.vpn [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id iSCNqztAbCfC; Wed, 5 Oct 2022 00:53:17 +0000 (UTC) Received: from smtpclient.apple (mobile-166-173-56-0.mycingular.net [166.173.56.0]) (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 F21BDE4FA8; Wed, 5 Oct 2022 00:53:16 +0000 (UTC) Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Mac OS X Mail 16.0 \(3696.120.41.1.1\)) Subject: Re: Does Postgresql support 4KN/512e HDD/SSD? From: Scott Ribe X-Priority: 3 In-Reply-To: <3c7dcc0e.202.183a59b8e82.Coremail.msdnchina@163.com> Date: Tue, 4 Oct 2022 18:53:15 -0600 Cc: "pgsql-admin@lists.postgresql.org" Content-Transfer-Encoding: quoted-printable Message-Id: <4B2D86DC-D6FE-481E-B1B2-1EC5C5076AAE@elevated-dev.com> References: <3c7dcc0e.202.183a59b8e82.Coremail.msdnchina@163.com> To: yanliang lei X-Mailer: Apple Mail (2.3696.120.41.1.1) List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk > On Oct 4, 2022, at 6:46 PM, yanliang lei wrote: >=20 > in the disk industry, hdd has 4kn and 512e, ssd has 4kn and 512e. > I want to know about postgresql database supports 4kn/512e in the = hdd/ssd or not. >=20 > thanks a lot! Completely irrelevant to Postgres, as it does not attempt to use raw = devices. It uses normal files, on whatever file system you provide.