From owner-freebsd-current Wed Nov 12 11:49:37 1997 Return-Path: Received: (from root@localhost) by hub.freebsd.org (8.8.7/8.8.7) id LAA02046 for current-outgoing; Wed, 12 Nov 1997 11:49:37 -0800 (PST) (envelope-from owner-freebsd-current) Received: from kaos.atext.com (kaos.atext.com [204.62.245.13]) by hub.freebsd.org (8.8.7/8.8.7) with ESMTP id LAA02031 for ; Wed, 12 Nov 1997 11:49:27 -0800 (PST) (envelope-from kingson@excite.com) Received: from excite.com (batik [204.62.245.185]) by kaos.atext.com (8.8.5/8.8.5) with ESMTP id LAA13446 for ; Wed, 12 Nov 1997 11:48:45 -0800 (PST) Message-ID: <346A081E.DBC2798E@excite.com> Date: Wed, 12 Nov 1997 11:48:47 -0800 From: Kingson Gunawan Reply-To: kingson@excite.com Organization: Excite Inc. X-Mailer: Mozilla 4.02 [en] (X11; I; SunOS 5.6 sun4m) MIME-Version: 1.0 To: freebsd-current@FreeBSD.ORG Subject: cp is slow... Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-freebsd-current@FreeBSD.ORG X-Loop: FreeBSD.org Precedence: bulk I noticed that the cp (copy) command is extremely slow on my system (-current). On average 'cp' copy rate is somewhere around 100kB/sec, while when I tried 'dd' (with bs=64k) the rate jumped to around 2-3MB/sec. Even at this rate, it is nowhere close to the perfomance I'd expect from the Fast UW SCSI system. The test file size is 100MB. The copy is done using both 2 drives and 1 drive. Is this to be expected? My system config: dual PII-266/512k 512MB RAM Adaptec 2940UW with IBM 4.1GB UW drives Kingson