From owner-freebsd-hackers Fri Jun 2 00:18:29 1995 Return-Path: hackers-owner Received: (from majordom@localhost) by freefall.cdrom.com (8.6.10/8.6.6) id AAA10686 for hackers-outgoing; Fri, 2 Jun 1995 00:18:29 -0700 Received: from genesis.atrad.adelaide.edu.au (genesis.atrad.adelaide.edu.au [129.127.96.120]) by freefall.cdrom.com (8.6.10/8.6.6) with ESMTP id AAA10676 for ; Fri, 2 Jun 1995 00:18:23 -0700 Received: from msmith@localhost by genesis.atrad.adelaide.edu.au (8.6.9/8.6.9) id RAA15840; Fri, 2 Jun 1995 17:05:12 +0930 From: Michael Smith Message-Id: <199506020735.RAA15840@genesis.atrad.adelaide.edu.au> Subject: Re: A performance mystery To: henrich@crh.cl.msu.edu (Charles Henrich) Date: Fri, 2 Jun 1995 17:05:11 +0930 (CST) Cc: freebsd-hackers@FreeBSD.ORG In-Reply-To: <199506020657.XAA09330@freefall.cdrom.com> from "Charles Henrich" at Jun 2, 95 02:57:30 am X-Mailer: ELM [version 2.4 PL24] Content-Type: text Content-Length: 1199 Sender: hackers-owner@FreeBSD.ORG Precedence: bulk Charles Henrich stands accused of saying: > > I have a mystery for you folks. Consider this situation: > > a Compaq Prolinea 575 (75mhz Pentium) > 24mb ram > 3gb of "oldish" Seagate Disk on a Buslogic 946C Which 'oldish' disk? Are we talking, say, ST11200's? > Micron P90 Powerstation, > 64mb ram > Adaptec 2940 > And a brand new Connor drive And which connor? > Doing a time make of a specific configuration (kernel build) takes 9:30 on the > Micron, but on the Compaq its only 8:30. Same exact config/source (brand new > 2.0.5-A installs). Nothing else is going on on either boxes. What sort of filesystem layouts do you have? Is the compaq working on just one drive, or several? > Can anyone explain this to me? More input. > Charles Henrich Michigan State University henrich@crh.cl.msu.edu -- ]] Mike Smith, Software Engineer msmith@atrad.adelaide.edu.au [[ ]] Genesis Software genesis@atrad.adelaide.edu.au [[ ]] High-speed data acquisition and [[ ]] realtime instrument control (ph/fax) +61-8-267-3039 [[ ]] My car has "demand start" - Terry Lambert [[