From owner-freebsd-performance@FreeBSD.ORG Fri Apr 29 08:12:27 2005 Return-Path: Delivered-To: freebsd-performance@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id EE8F016A4CE for ; Fri, 29 Apr 2005 08:12:27 +0000 (GMT) Received: from web41207.mail.yahoo.com (web41207.mail.yahoo.com [66.218.93.40]) by mx1.FreeBSD.org (Postfix) with SMTP id BEEF343D31 for ; Fri, 29 Apr 2005 08:12:27 +0000 (GMT) (envelope-from arne_woerner@yahoo.com) Received: (qmail 11497 invoked by uid 60001); 29 Apr 2005 08:12:27 -0000 Comment: DomainKeys? See http://antispam.yahoo.com/domainkeys DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.com; b=IYV4uRvUNpKL/Q0E39sKh1xv15FVTY4yjbf76lK0UbpNDtFznxQUY47lOvQcu9oLLSJ5opV/8Vhyhn5ujJy8RWyOyN6XxuWv3Mlyh38P7kuHyme8dDo4uKnuxS1ba0/HsxHIgpkfc+KLOX/fg365l0WkE7hr8dhzQLIP7AxZrTA= ; Message-ID: <20050429081227.11495.qmail@web41207.mail.yahoo.com> Received: from [213.54.151.37] by web41207.mail.yahoo.com via HTTP; Fri, 29 Apr 2005 01:12:27 PDT Date: Fri, 29 Apr 2005 01:12:27 -0700 (PDT) From: Arne "Wörner" To: Petri Helenius , freebsd-performance@freebsd.org In-Reply-To: 6667 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Subject: Re: Very low disk performance Highpoint 1820a X-BeenThere: freebsd-performance@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Performance/tuning List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 29 Apr 2005 08:12:28 -0000 --- Petri Helenius wrote: > Eric Anderson wrote: > I'm seeing similar sequential performance on RELENG_5_3 and > RELENG_5_4 > on dual-Xeons using 3ware controllers so it does not seem to be > a driver issue [...] > Why? I can remember, that some people said some months before, that FreeBSD's R4 was much faster (maybe something in the kernel changed due to SMPng, so that the disc subsystem behaves funny?). -Arne __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com