From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755240AbXJ3Hyn (ORCPT ); Tue, 30 Oct 2007 03:54:43 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754347AbXJ3Hyf (ORCPT ); Tue, 30 Oct 2007 03:54:35 -0400 Received: from wa-out-1112.google.com ([209.85.146.181]:61972 "EHLO wa-out-1112.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752982AbXJ3Hye (ORCPT ); Tue, 30 Oct 2007 03:54:34 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:message-id:date:from:to:subject:cc:mime-version:content-type:content-transfer-encoding:content-disposition; b=Z1FgrxJDR8cty5mUYbWdDcc0tsQKg4aJyr9Q0Ro5MVKoCKz5B33EoMEa1Qc5IYowmKBtjCg+4NHwzE/UmhKkz0rSjeU50Ygs3uoncobnOyfOOzvSNH1jL5Ae9O0sNRgZzLpv+W2LXob9jK+BCpv77VPJURMoDdkrYOlenavx+s8= Message-ID: <4dcf7d360710300054m7ac77445pf786bd9044b572d7@mail.gmail.com> Date: Tue, 30 Oct 2007 08:54:33 +0100 From: "Lorenzo Allegrucci" To: "Ingo Molnar" Subject: 2.6.23 performance regression Cc: linux-kernel@vger.kernel.org MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hi, sorry if this is a faq but reading http://people.freebsd.org/~kris/scaling/7.0%20Preview.pdf (slides 17, 18) looks like 2.6.23 is having a performance regression on MySQL and PostgreSQL benchmarks. Has anyone investigated these? -- Lorenzo