Received: from maia.hub.org (maia-3.hub.org [200.46.204.243]) by mail.postgresql.org (Postfix) with ESMTP id F3B351337BF8 for ; Wed, 6 Apr 2011 18:12:18 -0300 (ADT) Received: from mail.postgresql.org ([200.46.204.86]) by maia.hub.org (mx1.hub.org [200.46.204.243]) (amavisd-maia, port 10024) with ESMTP id 54818-01 for ; Wed, 6 Apr 2011 21:12:11 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from nm14-vm0.bullet.mail.sp2.yahoo.com (nm14-vm0.bullet.mail.sp2.yahoo.com [98.139.91.246]) by mail.postgresql.org (Postfix) with SMTP id 0E9BB1337C01 for ; Wed, 6 Apr 2011 18:11:10 -0300 (ADT) Received: from [98.139.91.69] by nm14.bullet.mail.sp2.yahoo.com with NNFMP; 06 Apr 2011 21:11:10 -0000 Received: from [98.139.91.10] by tm9.bullet.mail.sp2.yahoo.com with NNFMP; 06 Apr 2011 21:11:10 -0000 Received: from [127.0.0.1] by omp1010.mail.sp2.yahoo.com with NNFMP; 06 Apr 2011 21:11:10 -0000 X-Yahoo-Newman-Property: ymail-3 X-Yahoo-Newman-Id: 616325.24813.bm@omp1010.mail.sp2.yahoo.com Received: (qmail 17675 invoked by uid 60001); 6 Apr 2011 21:11:10 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s1024; t=1302124270; bh=FyI0E3A1Rv0nvRPk50efa16QkT5xCgyga2EGPx1MQrE=; h=Message-ID:X-YMail-OSG:Received:X-Mailer:Date:From:Subject:To:Cc:In-Reply-To:MIME-Version:Content-Type:Content-Transfer-Encoding; b=sOLwsOXW9992wKxwUyF8Q+vzmQGUW9CIeaQsP9E5SLbiinKehZJit1XZOVw01aD7Vtx3HHOdHwTxqAsxF+fvOjo5f+Lq478TtU2EX3YOe46DOS3qzNpr1tTTmBecM6aM3fLlVitFKjOK+tLVlkDKSLEo8pCcXbwPG+Ww0OLCt44= DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.com; h=Message-ID:X-YMail-OSG:Received:X-Mailer:Date:From:Subject:To:Cc:In-Reply-To:MIME-Version:Content-Type:Content-Transfer-Encoding; b=VTGYxDI+yaf1HkQVqI9PlTik91Q8li8WMc2st/BtwmPpinYMkcAadvH4v7CsTqB6PM8Jy+Zvh1MSFT6GeihSV4VOyuOT/ycHTye9A2ltLhYGqkrgEd3ZM5l53mKPe70dXrmDDb9BiW1uXNy+XjWaipeWoqaNOl0wLaYuoCR0fyg=; Message-ID: <312218.14775.qm@web111305.mail.gq1.yahoo.com> X-YMail-OSG: FIxP1BIVM1nihh6QAwxJqhYZxD9EL6ZFomczCM2ygZq7sSJ R.MFe_EtyNWMnThtAvTsw3fX7_COrdA0YlnEKQ0jEGdq.UIMXAxBhqp3G_2o lCWX3Ti_Nrlkgmil4OTlbWlIqmQozQ2n6vHWwK_bOkoGmB3_ASrtDQVvv3HT E9nho0cTdlJLn2tBWkVW4KFyXrXX0SnEGOozU3GNT5XnhmYpesJU11AUAvrY P1fmPGi6lLpz9w2IStxjRr5jrSB17S01xrhyS_4SYmrACnsPBRGlFafWfwhM oK7FqgtK2cdB.m8HCt.obyjxL3GEsPetkZ38hMt6Kt.KR3L.z8m5erMUxL2k ei.pcKHLVFpYkrbSWv31NrCsMt0AZ3GbQyh5mhjLg.IVCXA1UBiuuf6H_hH_ WhHVfq1g3efIYKXN3zblEu3Q- Received: from [24.34.116.197] by web111305.mail.gq1.yahoo.com via HTTP; Wed, 06 Apr 2011 14:11:10 PDT X-Mailer: YahooMailClassic/12.0.2 YahooMailWebService/0.8.109.295617 Date: Wed, 6 Apr 2011 14:11:10 -0700 (PDT) From: Andy Subject: Re: Intel SSDs that may not suck To: Merlin Moncure , Scott Carey Cc: "pgsql-performance@postgresql.org" , Greg Smith In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable X-Virus-Scanned: Maia Mailguard 1.0.1 X-Spam-Status: No, hits=-0.508 tagged_above=-10 required=5 tests=BAYES_05=-0.5, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, RFC_ABUSE_POST=0.001, T_RP_MATCHES_RCVD=-0.01 X-Spam-Level: X-Archive-Number: 201104/52 X-Sequence-Number: 43114 =0A--- On Wed, 4/6/11, Scott Carey wrote:=0A=0A= =0A> I could care less about the 'fast' sandforce drives.=A0=0A> They fail = at a high=0A> rate and the performance improvement is BECAUSE they are=0A> = using a large,=0A> volatile write cache.=A0 =0A=0AThe G1 and G2 Intel MLC a= lso use volatile write cache, just like most SandForce drives do.