From owner-freebsd-questions@FreeBSD.ORG Thu Nov 23 07:31:37 2006 Return-Path: X-Original-To: freebsd-questions@freebsd.org Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 3FF8016A412 for ; Thu, 23 Nov 2006 07:31:37 +0000 (UTC) (envelope-from freebsd@sopwith.solgatos.com) Received: from schitzo.solgatos.com (pool-71-117-237-189.ptldor.fios.verizon.net [71.117.237.189]) by mx1.FreeBSD.org (Postfix) with ESMTP id 5079943DA1 for ; Thu, 23 Nov 2006 07:30:44 +0000 (GMT) (envelope-from freebsd@sopwith.solgatos.com) Received: from schitzo.solgatos.com (localhost.home.localnet [127.0.0.1]) by schitzo.solgatos.com (8.13.8/8.13.6) with ESMTP id kAN7VGhY015298 for ; Wed, 22 Nov 2006 23:31:17 -0800 Received: from sopwith.solgatos.com (uucp@localhost) by schitzo.solgatos.com (8.13.8/8.13.4/Submit) with UUCP id kAN7VGX0015295 for freebsd-questions@freebsd.org; Wed, 22 Nov 2006 23:31:16 -0800 Received: from localhost by sopwith.solgatos.com (8.8.8/6.24) id HAA05509; Thu, 23 Nov 2006 07:29:16 GMT Message-Id: <200611230729.HAA05509@sopwith.solgatos.com> To: freebsd-questions@freebsd.org In-reply-to: Your message of "Thu, 23 Nov 2006 01:09:31 EST." <20061123060929.GA49798@xor.obsecurity.org> Date: Wed, 22 Nov 2006 23:29:16 +0000 From: Dieter Subject: Re: processes not getting fair share of available disk I/O (was: Re: TCP parameters and interpreting tcpdump output ) X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 23 Nov 2006 07:31:37 -0000 > > hw.ata.wc=3D0 > ^^^^^^^^^^^ > "Make my hard drive go reeeeally slow please (just in case I crash)" :) Slower, yes, but not *that* slow. Normal ls : 0.032 second. Two processes using same disk, multiply by two, so 0.064 second. Maybe the multiplier is more than 2, call it 10x, so 0.32 second. But I'm seeing a factor of over 9100x.