Received: from localhost (unknown [200.46.204.183]) by developer.postgresql.org (Postfix) with ESMTP id 47BE82E0069 for ; Mon, 28 Apr 2008 13:07:59 -0300 (ADT) Received: from developer.postgresql.org ([200.46.204.71]) by localhost (mx1.hub.org [200.46.204.183]) (amavisd-maia, port 10024) with ESMTP id 79655-10 for ; Mon, 28 Apr 2008 13:07:49 -0300 (ADT) X-Greylist: from auto-whitelisted by SQLgrey-1.7.5 Received: from outmail128115.authsmtp.com (outmail128115.authsmtp.com [62.13.128.115]) by developer.postgresql.org (Postfix) with ESMTP id 814F62E0032 for ; Mon, 28 Apr 2008 13:07:49 -0300 (ADT) Received: from mail.authsmtp.com (mail.authsmtp.com [62.13.128.187]) by punt4.authsmtp.com (8.14.1/8.14.1/Kp) with ESMTP id m3SG7deh074623; Mon, 28 Apr 2008 17:07:39 +0100 (BST) Received: from josh-berkuss-macbook.local (adsl-63-195-55-98.dsl.snfc21.pacbell.net [63.195.55.98]) (authenticated bits=0) by mail.authsmtp.com (8.14.2/8.14.2/Kp) with ESMTP id m3SG7aMS091975; Mon, 28 Apr 2008 17:07:37 +0100 (BST) Message-ID: <4815F648.9050901@agliodbs.com> Date: Mon, 28 Apr 2008 09:07:36 -0700 From: Josh Berkus User-Agent: Thunderbird 2.0.0.12 (Macintosh/20080213) MIME-Version: 1.0 To: Gregory Stark CC: Euler Taveira de Oliveira , Greg Smith , postgres performance list Subject: Re: Benchmarks WAS: Sun Talks about MySQL References: <480F8C2D.6010806@emproshunts.com> <4811D1DD.9030401@otg-nc.com> <20080425130105.GA19447@crankycanuck.ca> <36e682920804250741p33d621f3gf35e6bdebe2e0531@mail.gmail.com> <20080425152053.GE19447@crankycanuck.ca> <481278E7.9030504@timbira.com> <87wsmlm90e.fsf@oxford.xeocode.com> <4814BDB8.2030108@agliodbs.com> <877iei9w4r.fsf@oxford.xeocode.com> In-Reply-To: <877iei9w4r.fsf@oxford.xeocode.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Server-Quench: 391a19c7-153d-11dd-941c-001185d377ca X-AuthRoute: OCdyZgscClZXSx8a IioLCC5HRQ8+YBZL BAkGMA9GIUINWEQN c1AAfh16KEdbHwkB C3YKXF5UV1dyUS1z aBRQZABDZ09QVg11 Uk1LR01SWlhrYmsG V2N9UhBzfgJDNn91 Z0IsXXlaDUVzJkFg Q0tXQXAHZDM0dWkb URNFdwNVcQtPKhxC bQMuGhFYa3V1MyQz Hwo6JTMqdQp2E3Yd eRwLZW4bRUUQVjc2 QA0eVRA+JnQhL2Qg X-Authentic-SMTP: 61633136333939.squirrel.dmpriest.net.uk:953/Kp X-Report-SPAM: If SPAM / abuse - report it at: http://www.authsmtp.com/abuse X-Virus-Scanned: Maia Mailguard 1.0.1 X-Archive-Number: 200804/397 X-Sequence-Number: 29890 Greg, > What I was referring to by "passing" TPC-E was the criteria for a conformant > benchmark run. TPC-C has iirc, only two relevant criteria: "95th percentile > response time < 5s" and "average response time < 95th percentile response > time". You can pass those even if 1 transaction in 20 takes 10-20s which is > more than enough to cover checkpoints and other random sources of inconsistent > performance. We can do this now. I'm unhappy because we're at about 1/4 of Oracle performance, but we certainly pass -- even with 8.2. --Josh