X-Original-To: pgsql-performance-postgresql.org@localhost.postgresql.org Received: from localhost (unknown [200.46.204.144]) by svr1.postgresql.org (Postfix) with ESMTP id 0E0CF52C62 for ; Tue, 26 Jul 2005 16:15:44 -0300 (ADT) Received: from svr1.postgresql.org ([200.46.204.71]) by localhost (av.hub.org [200.46.204.144]) (amavisd-new, port 10024) with ESMTP id 33869-09 for ; Tue, 26 Jul 2005 19:15:35 +0000 (GMT) Received: from sccmmhc92.asp.att.net (sccmmhc92.asp.att.net [204.127.203.212]) by svr1.postgresql.org (Postfix) with ESMTP id C8BC752C44 for ; Tue, 26 Jul 2005 16:15:31 -0300 (ADT) Received: from juju.arbash-meinel.com ([12.214.18.81]) by sccmmhc92.asp.att.net (sccmmhc92) with ESMTP id <20050726191532m9200g488fe>; Tue, 26 Jul 2005 19:15:32 +0000 Received: by juju.arbash-meinel.com (Postfix, from userid 505) id 98A8E5600C; Tue, 26 Jul 2005 14:15:32 -0500 (CDT) Received: from [192.168.1.11] (liliana.arbash-meinel.com [192.168.1.11]) by juju.arbash-meinel.com (Postfix) with ESMTP id 7717555FB5; Tue, 26 Jul 2005 14:15:26 -0500 (CDT) Message-ID: <42E68BCF.8010600@arbash-meinel.com> Date: Tue, 26 Jul 2005 14:15:27 -0500 From: John A Meinel User-Agent: Mozilla Thunderbird 1.0.2 (Windows/20050317) X-Accept-Language: en-us, en MIME-Version: 1.0 To: Alex Turner Cc: Postgresql Performance Subject: Re: Cheap RAM disk? References: <42E6661D.3060304@arbash-meinel.com> <33c6269f05072612113bd68434@mail.gmail.com> In-Reply-To: <33c6269f05072612113bd68434@mail.gmail.com> X-Enigmail-Version: 0.92.0.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="------------enig546882E2A9D441DC56323519" X-Virus-Scanned: by amavisd-new at hub.org X-Spam-Status: No, hits=0.044 tagged_above=0 required=5 tests=AWL, FORGED_RCVD_HELO X-Spam-Level: X-Archive-Number: 200507/400 X-Sequence-Number: 13641 This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enig546882E2A9D441DC56323519 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Alex Turner wrote: > Also seems pretty silly to put it on a regular SATA connection, when > all that can manage is 150MB/sec. If you made it connection directly > to 66/64-bit PCI then it could actualy _use_ the speed of the RAM, not > to mention PCI-X. > > Alex Turner > NetEconomist > Well, the whole point is to have it look like a normal SATA drive, even to the point that you can boot off of it, without having to load a single driver. Now, you could offer that you could recreate a SATA controller on the card, with a SATA bios, etc. And then you could get the increased speed, and still have bootable functionality. But it is a version 1.0 of a product, and I'm sure they tried to make it as cheap as possible (and within their own capabilities.) John =:-> --------------enig546882E2A9D441DC56323519 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.1 (Cygwin) Comment: Using GnuPG with Thunderbird - http://enigmail.mozdev.org iD8DBQFC5ovPJdeBCYSNAAMRAuwrAKCuJzSoBX8ZbynBBIh1s64qdMLhiACfUzgq /PRFbMYdJuEPWa2t+Uv7bpg= =hxWU -----END PGP SIGNATURE----- --------------enig546882E2A9D441DC56323519--