Date: Mon, 01 Oct 2001 02:52:08 +0100 From: ian j hart <ianjhart@ntlworld.com> To: Patrick Greenwell <patrick@stealthgeeks.net> Cc: Dennis Berger <Dennis.Berger@nipsi.de>, Mike Harding <mvh@ix.netcom.com>, stable@FreeBSD.ORG Subject: Re: dirpref gives massive performance boost Message-ID: <3BB7CC48.6B14F5AF@ntlworld.com> References: <Pine.BSF.4.33.0109301624340.15097-100000@rockstar.stealthgeeks.net>
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Patrick Greenwell wrote: > > On Mon, 1 Oct 2001, Dennis Berger wrote: > > > I tested FreeBSD-4.4 stable checked out today with a new created filesystem and a old > > existing one. The results are on the old filesystem with just tar and untaring ports, I > > can report afaik no speed up. On the new created filesystem the results are very > > impressive about 6 to 10 times faster. > > I'd love to hear any reports from folks running the dirpref code on any > sort of RAID'd devices (vinum, DPT, Adaptec, etc.) or comments from those > in the know as to whether such marked speedup can be expected. > > TIA > > /\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\ > Patrick Greenwell > "There should be warning labels for politicians." > -- Derek Smalls > \/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/ > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-stable" in the body of the message I just did rm -r /usr/ports to test existing tree: 10 or 11m. newly extracted tree: 1.5m This is without newfs, on a clean tree. System is k6II500, 256Mb, VIA ATA33, 4xUDMA66 drives RAID10, softupdates no special tuning. File system is 30% full (27Gb). If you are comparing times you should be aware that I refuse all language specific ports. The existing tree was HEAD and I extracted RELEASE_4_4_0, but I can't see that making a factor of 6 difference. -- ian j hart To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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