From owner-freebsd-performance@FreeBSD.ORG Tue Sep 29 19:37:19 2009 Return-Path: Delivered-To: freebsd-performance@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 7FD36106566B for ; Tue, 29 Sep 2009 19:37:19 +0000 (UTC) (envelope-from asmrookie@gmail.com) Received: from mail-fx0-f222.google.com (mail-fx0-f222.google.com [209.85.220.222]) by mx1.freebsd.org (Postfix) with ESMTP id 10DB68FC1B for ; Tue, 29 Sep 2009 19:37:18 +0000 (UTC) Received: by fxm22 with SMTP id 22so1219090fxm.36 for ; Tue, 29 Sep 2009 12:37:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:sender:received:in-reply-to :references:date:x-google-sender-auth:message-id:subject:from:to:cc :content-type:content-transfer-encoding; bh=fxlWA/Z2jOgmyIR1wr0jltJOLW9oF21GslDX6I0t7OQ=; b=dm1jx5owhRualARsFXcayzHlpOwfHusUbEBpG+rOLe//9xEu2JC1d0Oom0ik8VFMXw p4PAvqEqEGa5QjwHBLLyz3r/9zoTdTQANnU6RGCi6iDTnxYHEQEJ6rAIUg+DMDV4KNqn mbvgZx69eDD+SzVjHwpIRR2YyFliGpdB/yrVQ= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:sender:in-reply-to:references:date :x-google-sender-auth:message-id:subject:from:to:cc:content-type :content-transfer-encoding; b=kmkHQeaA2FzBr8FhnCSS5DIXE9wrHCrZeKExyEyTbBrOq2LRFGcEEsUj6NdUyzGiPq rRscrDlty/zDWQqWTf82pKL9wMxbeAr+XE++WBV9DXRTJCNQoPoYwoi0c46VdyuSsgfH qKUkfBKMqwERTGk8IUUPvyQyUM4yFw1qQ/gx0= MIME-Version: 1.0 Sender: asmrookie@gmail.com Received: by 10.223.4.209 with SMTP id 17mr1459625fas.85.1254253038148; Tue, 29 Sep 2009 12:37:18 -0700 (PDT) In-Reply-To: References: <689d500ec8c95542a53440b8a23ae773@mail.liquidphlux.com> <458792029.144491254249841202.JavaMail.root@shee.earlham.edu> <3bbf2fe10909291209h3c2b1c57se68e6030c2a5a044@mail.gmail.com> Date: Tue, 29 Sep 2009 21:37:18 +0200 X-Google-Sender-Auth: 2919a74d525da5b6 Message-ID: <3bbf2fe10909291237t50ac370ci71e2a32bde17bda1@mail.gmail.com> From: Attilio Rao To: =?UTF-8?Q?Istv=C3=A1n?= Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Cc: freebsd-performance@freebsd.org, Randy Schultz Subject: Re: FreeBSD vs Ubuntu - Discuss... X-BeenThere: freebsd-performance@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Performance/tuning List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 29 Sep 2009 19:37:19 -0000 2009/9/29 Istv=C3=A1n : > With........DTrace!!@#!#@! :) > > I think that the most interesting opionion these benchmarks tell is >> that we are slow on random, threaded I/O operations. I think we need >> to investigate more in this direction. First thing, it would be interesting if someone could be reproduce such (or similar) numbers in a reproducible manner, so that we can start hammering down the effort. Attilio --=20 Peace can only be achieved by understanding - A. Einstein