From owner-freebsd-performance@FreeBSD.ORG Tue Sep 29 04:07:50 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 1C3A01065672 for ; Tue, 29 Sep 2009 04:07:50 +0000 (UTC) (envelope-from freebsd@sopwith.solgatos.com) Received: from sopwith.solgatos.com (pool-173-50-131-36.ptldor.fios.verizon.net [173.50.131.36]) by mx1.freebsd.org (Postfix) with ESMTP id 8DB1A8FC17 for ; Tue, 29 Sep 2009 04:07:49 +0000 (UTC) Received: by sopwith.solgatos.com (Postfix, from userid 66) id 8F1DBB64F; Sun, 27 Sep 2009 18:17:13 -0700 (PDT) Received: from localhost by sopwith.solgatos.com (8.8.8/6.24) id CAA28246; Tue, 29 Sep 2009 02:26:34 GMT Message-Id: <200909290226.CAA28246@sopwith.solgatos.com> To: freebsd-performance@freebsd.org In-reply-to: Your message of "Mon, 28 Sep 2009 19:46:53 EDT." Date: Mon, 28 Sep 2009 19:26:34 PDT From: Dieter 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 04:07:50 -0000 In message , Francisco Reyes writes: > Steven Hartland writes: > > > Just noticed the following posted on phoronix: > > http://www.phoronix.com/scan.php?page=article&item=freebsd8_ubuntu910&num=1 > > Comments? > > This was discussed in detail in slashdot.. starting with the fact that most > likely debug switches were not turned off for FreeBSD. "All of the FreeBSD and Ubuntu options were left at their defaults." My question is why is FreeBSD's disk i/o performance so bad? Not just in the benchmarks with debugging on, but in real world usage where it actually matters.