From owner-freebsd-questions Sat Sep 25 14:28:39 1999 Delivered-To: freebsd-questions@freebsd.org Received: from revolution.3-cities.com (revolution.3-cities.com [204.203.224.155]) by hub.freebsd.org (Postfix) with ESMTP id 1AFB015174 for ; Sat, 25 Sep 1999 14:28:33 -0700 (PDT) (envelope-from kstewart@3-cities.com) Received: from 3-cities.com (kenn2050.bossig.com [208.26.242.50]) by revolution.3-cities.com (8.9.3/8.9.3) with ESMTP id OAA18399; Sat, 25 Sep 1999 14:28:29 -0700 (PDT) Message-ID: <37ED3E27.DD043DBD@3-cities.com> Date: Sat, 25 Sep 1999 14:27:03 -0700 From: Kent Stewart Organization: BOSSig X-Mailer: Mozilla 4.61 [en] (WinNT; U) X-Accept-Language: en MIME-Version: 1.0 To: john Cc: freebsd-questions@FreeBSD.ORG Subject: Re: performance increase with MSF? References: <4.2.0.58.19990925130141.00d75370@server0.singular.com> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG I'm curious what MFS is. I found when I was testing my HD's that the size parameter returned by the port "iozone" was a good start because it really required I/O and you couldn't depend on cache. Kent john wrote: > > server# df -k > Filesystem 1K-blocks Used Avail Capacity Mounted on > .... > procfs 4 4 0 100% /proc > mfs:337 7903 7234 37 99% /usr/local/www/global/tmp > > testfile is a 7 meg file created from a couple of tar files. > the 7234K used are taken up by testfile. there are no other files in the > mfs filesystem. > > server# /usr/bin/time grep blah testfile > ...grep output... > 0.11 real 0.06 user 0.05 sys > server# /usr/bin/time grep blah /usr/local/www/global/tmp/testfile > ...grep output... > 0.11 real 0.06 user 0.05 sys > > Is my method of testing invalid? Is 7 megs too small to make a > difference? Did I miss something when I read the docs? > > john. > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-questions" in the body of the message -- Kent Stewart Richland, WA mailto:kstewart@3-cities.com http://www.3-cities.com/~kstewart/index.html SETI (Search for Extraterrestrial Intelligence) @ Home http://setiathome.ssl.berkeley.edu/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message