From owner-freebsd-current  Tue Mar 10 23:40:58 1998
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To: "Jordan K. Hubbard" <jkh@FreeBSD.ORG>
cc: "Alok K. Dhir" <adhir@worldbank.org>, current@FreeBSD.ORG,
        Daniel Ingber <ingber@worldbank.org>
Subject: Re: Amazing :-) 
In-reply-to: Your message of "Tue, 10 Mar 1998 23:06:28 PST."
             <26195.889599988@time.cdrom.com> 
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Date: Tue, 10 Mar 1998 23:40:51 -0800
From: Amancio Hasty <hasty@rah.star-gate.com>
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> > I just enabled softupdates on all filesystems except root on my SMP
> > -current machine (dual 300Mhz Pentium II, Adaptec 2940UW SCSI, 256MB RAM). 
> > The "make world" time just went from ~6 hours to 2 hours 20 mins.
> 
> That actually says more odd things about your disk layout.  On The
> dual PII/300 box we have here with 128MB of RAM and /usr/{src,obj}
> striped across a 5 disk CCD (all IBM DCAS 4.3GB 5400 RPM drives), the
> build time is 1:25 without any sort of soft updates being used, just
> async mounts.

Me seriously thinks that you need 10000 rpms disks real bad 8)
Something like this:

sd0: <SEAGATE ST34501W 0017> type 0 fixed SCSI 2

On a serious note if you are constantly doing "make worlds" it pays to
have a very fast disk subsystem and the group can consider my note 
a hint 8)

	Cheers,
	Amancio



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