X-Original-To: pgsql-performance-postgresql.org@localhost.postgresql.org Received: from localhost (av.hub.org [200.46.204.144]) by svr1.postgresql.org (Postfix) with ESMTP id A3759D99F6 for ; Mon, 3 Oct 2005 14:36:19 -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 79621-01 for ; Mon, 3 Oct 2005 17:36:17 +0000 (GMT) Received: from gghcwest.com (adsl-71-128-90-172.dsl.pltn13.pacbell.net [71.128.90.172]) by svr1.postgresql.org (Postfix) with ESMTP id 2DD09D94F8 for ; Mon, 3 Oct 2005 14:36:14 -0300 (ADT) Received: from toonses.gghcwest.com (toonses.gghcwest.com [192.168.168.115]) by gghcwest.com (8.12.10/8.12.9) with ESMTP id j93HaAmd027481 for ; Mon, 3 Oct 2005 10:36:11 -0700 Received: from jwb by toonses.gghcwest.com with local (Exim 4.52) id 1EMUEV-0007Fk-H8 for pgsql-performance@postgresql.org; Mon, 03 Oct 2005 10:36:11 -0700 Subject: Re: Ultra-cheap NVRAM device From: "Jeffrey W. Baker" To: pgsql-performance@postgresql.org In-Reply-To: References: <20051003110226.GA26883@uio.no> Content-Type: text/plain Content-Transfer-Encoding: 7bit Date: Mon, 03 Oct 2005 10:36:11 -0700 Message-Id: <1128360971.27580.2.camel@toonses.gghcwest.com> Mime-Version: 1.0 X-Mailer: Evolution 2.4.0 X-Virus-Scanned: by amavisd-new at hub.org X-Spam-Status: No, hits=-0.459 required=5 tests=[AWL=-0.509, FORGED_RCVD_HELO=0.05] X-Spam-Level: X-Archive-Number: 200510/20 X-Sequence-Number: 14788 On Mon, 2005-10-03 at 11:15 -0600, Dan Harris wrote: > On Oct 3, 2005, at 5:02 AM, Steinar H. Gunderson wrote: > > > I thought this might be interesting, not the least due to the > > extremely low > > price ($150 + the price of regular DIMMs): > > > > > > > > This has been posted before, and the main reason nobody got very > excited is that: > > a) it only uses the PCI bus to provide power to the device, not for I/O > b) It is limited to SATA bandwidth > c) The benchmarks did not prove it to be noticeably faster than a > good single SATA drive > > A few of us were really excited at first too, until seeing the > benchmarks.. Also, no ECC support. You'd be crazy to use it for anything. -jwb