Received: from maia.hub.org (unknown [200.46.204.183]) by mail.postgresql.org (Postfix) with ESMTP id D3B4E7992D9 for ; Wed, 17 Mar 2010 10:52:42 -0300 (ADT) Received: from mail.postgresql.org ([200.46.204.86]) by maia.hub.org (mx1.hub.org [200.46.204.183]) (amavisd-maia, port 10024) with ESMTP id 18364-01 for ; Wed, 17 Mar 2010 13:52:31 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from mail-vw0-f46.google.com (mail-vw0-f46.google.com [209.85.212.46]) by mail.postgresql.org (Postfix) with ESMTP id 5C086798D58 for ; Wed, 17 Mar 2010 10:52:32 -0300 (ADT) Received: by vws20 with SMTP id 20so98850vws.19 for ; Wed, 17 Mar 2010 06:52:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:subject:mime-version :content-type:from:in-reply-to:date:cc:content-transfer-encoding :message-id:references:to:x-mailer; bh=QVxnbXGPnAadcPO2izBhT93tZ4Utx3N12pJSWEovinI=; b=U8FH7BolfF7FxEEphPfCqxoUGtY/AzdH1qHpn0tzceB1uSIh1/kW9hCtyjScSVkmmo WEGLc8rR7KsYkUrDB96Fy1CvcLqFs7N+P3hIKn/BqHzyS8x+s8bp7IRxveVBJpifposD ZeK/2zTp70qQQgiq2bH+X2xVHrU+BVJ/GyK3s= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=subject:mime-version:content-type:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to:x-mailer; b=GKSAXQKjUZpG8+5fe8BK+ZARFGObMP/eOWTAHnC7GJyZ+JutBF+9LYYeRJmbyUuAJG +QyM/473fHKUSXnbLp+sw6Hay3o118iKLAF0J7ijYZuHmAHId52jNxkga/GFmsTQeXeS Y6t77s930cQqw3m0C/jhuqT367/ZpxWwgMEMg= Received: by 10.220.107.71 with SMTP id a7mr316247vcp.111.1268833949737; Wed, 17 Mar 2010 06:52:29 -0700 (PDT) Received: from h141.cmh.bplglobal.net (rrcs-74-219-149-162.central.biz.rr.com [74.219.149.162]) by mx.google.com with ESMTPS id 31sm9181867vws.11.2010.03.17.06.52.27 (version=TLSv1/SSLv3 cipher=RC4-MD5); Wed, 17 Mar 2010 06:52:28 -0700 (PDT) Subject: Re: Testing FusionIO Mime-Version: 1.0 (Apple Message framework v1077) Content-Type: text/plain; charset=us-ascii From: Justin Pitts In-Reply-To: <1268831900.4412.1739.camel@bnicholson-desktop> Date: Wed, 17 Mar 2010 09:52:26 -0400 Cc: =?iso-8859-1?Q?Devrim_G=DCND=DCZ?= , Ben Chobot , PostgreSQL - Performance Content-Transfer-Encoding: quoted-printable Message-Id: <82964EE9-2507-4DB0-83A9-30DCCBBAE274@gmail.com> References: <1268059301.2098.87.camel@hp-laptop2.gunduz.org> <0A41C50D-3F29-4021-A959-95AF955D570F@silentmedia.com> <1268829058.2137.31.camel@hp-laptop2.gunduz.org> <1268831008.4412.1736.camel@bnicholson-desktop> <86675EB2-8CC8-4159-91DD-27BB5E6AC1C3@gmail.com> <1268831900.4412.1739.camel@bnicholson-desktop> To: Brad Nicholson X-Mailer: Apple Mail (2.1077) X-Virus-Scanned: Maia Mailguard 1.0.1 X-Spam-Status: No, hits=-2.599 tagged_above=-10 required=5 tests=BAYES_00=-2.599 X-Spam-Level: X-Archive-Number: 201003/206 X-Sequence-Number: 38031 FusionIO is publicly claiming 24 years @ 5TB/day on the 80GB SLC device, = which wear levels across 100GB of actual installed capacity.=20 http://community.fusionio.com/forums/p/34/258.aspx#258 Max drive performance would be about 41TB/day, which coincidently works = out very close to the 3 year warranty they have on the devices. FusionIO's claim _seems_ credible. I'd love to see some evidence to the = contrary. On Mar 17, 2010, at 9:18 AM, Brad Nicholson wrote: > On Wed, 2010-03-17 at 09:11 -0400, Justin Pitts wrote: >> On Mar 17, 2010, at 9:03 AM, Brad Nicholson wrote: >>=20 >>> I've been hearing bad things from some folks about the quality of = the >>> FusionIO drives from a durability standpoint. >>=20 >> Can you be more specific about that? Durability over what time frame? = How many devices in the sample set? How did FusionIO deal with the = issue? >=20 > I didn't get any specifics - as we are looking at other products. It > did center around how FusionIO did wear-leveling though.=20 > --=20 > Brad Nicholson 416-673-4106 > Database Administrator, Afilias Canada Corp. >=20 >=20