Received: from maia.hub.org (maia-5.hub.org [200.46.204.29]) by mail.postgresql.org (Postfix) with ESMTP id 0A1851337B80 for ; Sun, 6 Feb 2011 16:38:38 -0400 (AST) Received: from mail.postgresql.org ([200.46.204.86]) by maia.hub.org (mx1.hub.org [200.46.204.29]) (amavisd-maia, port 10024) with ESMTP id 45497-03-7 for ; Sun, 6 Feb 2011 20:38:31 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from nm3.bullet.mail.sp2.yahoo.com (nm3.bullet.mail.sp2.yahoo.com [98.139.91.73]) by mail.postgresql.org (Postfix) with SMTP id 621101337C0C for ; Sun, 6 Feb 2011 16:38:20 -0400 (AST) Received: from [98.139.91.69] by nm3.bullet.mail.sp2.yahoo.com with NNFMP; 06 Feb 2011 20:38:19 -0000 Received: from [98.139.91.12] by tm9.bullet.mail.sp2.yahoo.com with NNFMP; 06 Feb 2011 20:38:19 -0000 Received: from [127.0.0.1] by omp1012.mail.sp2.yahoo.com with NNFMP; 06 Feb 2011 20:38:19 -0000 X-Yahoo-Newman-Property: ymail-3 X-Yahoo-Newman-Id: 874572.27164.bm@omp1012.mail.sp2.yahoo.com Received: (qmail 96462 invoked by uid 60001); 6 Feb 2011 20:38:19 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s1024; t=1297024699; bh=A5enPYqGTv/SDBXBQR2djB7dM12T+o73b/eabOG3nug=; h=Message-ID:X-YMail-OSG:Received:X-Mailer:Date:From:Subject:To:In-Reply-To:MIME-Version:Content-Type; b=eHv1hYC5ZnTqpamFfwLMRgk27l6GtiIQi2Jp5TG//owLBFr1jLquPWq/kVWhahTF7j3KQ04pDL/ufGeIznjdu4ARoVpbOO+YU8rFMA0eRqLGzenR5+ATqv8Gqc+LGTr+nMQXg8JhTDi51WH9U+fsQzpFLy0V4bcMHyknFqQwuhI= 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:In-Reply-To:MIME-Version:Content-Type; b=DQVbNKHDZXIu6hLnlryPslVQxDWh80MTwJaJH7wr6F28I2MALxBTAZsY20JLkODGl3d/3ASTihk9uB6hNzgMplj1yi7K8AHhDkxH+I+6t59Y6l+tk5lUR/oLG3MV3V7EJJcTHbEk6mC3ZzqSpjYZnb53hFTyhtWfB6nK4s+EjHE=; Message-ID: <245106.95588.qm@web111306.mail.gq1.yahoo.com> X-YMail-OSG: SRrzA8MVM1l.EhaCfm4CMOXRkNjPYMn5sIqIAa4VxIbR6Nf JMmyOluqQbp6L6X77qqMwi8IyGSABP7_z6t3WiSclbSBu_X96IG5owk81LmE lmJWgUAR_Uc0l__LqJIsT3.V3RlmqmHkmi9KlDuTDYpdAujdqe00KdZDbdU7 WesGdO1DLz61N7OBGXOWruiRphAe9mDeMWVMnf8MHkflu3AaV6M8fUQ5CaBO CDJE7FGfpxbLRldkazhUPr70QWjLdj2N7rJDXsCQOSh0eLDWCn2VeJxO58fP J6DIx043DZhRGD6a92.S.DeuTY7NX.zneQjinJ.FRjEqsnzVJAEYJ2bk8qwm ylLdwknUD0DauOV4Au.pT9x7YFtyLpQfBV5VxCUkr0X_un_jEqs08ClSbKzA W2vj.zbPGK_E- Received: from [24.34.116.197] by web111306.mail.gq1.yahoo.com via HTTP; Sun, 06 Feb 2011 12:38:18 PST X-Mailer: YahooMailClassic/11.4.20 YahooMailWebService/0.8.108.291010 Date: Sun, 6 Feb 2011 12:38:18 -0800 (PST) From: Andy Subject: Re: general hardware advice To: pgsql-performance@postgresql.org, Linos In-Reply-To: <4D4EE577.9060803@linos.es> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Virus-Scanned: Maia Mailguard 1.0.1 X-Spam-Status: No, hits=-1.908 tagged_above=-10 required=5 tests=BAYES_00=-1.9, 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: 201102/264 X-Sequence-Number: 42402 --- On Sun, 2/6/11, Linos wrote: > I am studying too the possibility of use an OCZ Vertex 2 > Pro with Flashcache or Bcache to use it like a second level > filesystem cache, any comments on that please? > OCZ Vertex 2 Pro is a lot more expensive than other SSD of comparable performances because it comes with a supercapacitor that guarantees durability. If you're just using the SSD as a cache, you don't need durability. You could save a lot of money by getting SSDs without supercapacitor, such as Corsair Force.