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From: Julian Elischer <julian@ref.tfs.com>
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Subject: Re: Upgrading to 2.05A
To: rgrimes@gndrsh.aac.dev.com (Rodney W. Grimes)
Date: Thu, 1 Jun 1995 18:53:59 -0700 (PDT)
Cc: chuckr@Glue.umd.edu, jkh@freefall.cdrom.com, vince@penzance.econ.yale.edu,
        roberto@blaise.ibp.fr, FreeBSD-hackers@freefall.cdrom.com
In-Reply-To: <199506020146.SAA06194@gndrsh.aac.dev.com> from "Rodney W. Grimes" at Jun 1, 95 06:46:42 pm
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> 
> Minfree change from 5% to 8% to correct for serious over allocation
> problems (davidg knows more about this).  Newfs parameter changes to
> effectivly eliminate all the rot delay optimizations that are actually
> slow downs for almost every modern disk on the market.
> 
> A nice clean defrag'ed set of system binaries is another side effect
> that can be a substantial gain if you have run a few 100 make worlds
> on a system.  [If you don't belive the last one, do a clean install
> on a disk then setting it running make worlds in a loop, come back
> after about 5 times, reboot and look at the fsck fragmentation values]
this is all true, but doesn not mean they can't upgrade..
they are just not going to get some new speedups..

personally, I prefer to upgrade, live with it..
and newfs my partitions one by one once I've got the system up
and stabel with a good backup.. :)


julian