Date: Wed, 11 Mar 1998 09:19:08 +0100 (MET) From: Søren Schmidt <sos@FreeBSD.ORG> To: hasty@rah.star-gate.com (Amancio Hasty) Cc: jkh@FreeBSD.ORG, adhir@worldbank.org, current@FreeBSD.ORG, ingber@worldbank.org Subject: Re: Amazing :-) Message-ID: <199803110819.JAA01243@sos.freebsd.dk> In-Reply-To: <199803110740.XAA04756@rah.star-gate.com> from Amancio Hasty at "Mar 10, 98 11:40:51 pm"
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In reply to Amancio Hasty who wrote:
> > > 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)
Well not nessesarily, my setup is like this:
Dual P6/200Mhz, 128M RAM, 2x4.3G Maxtor IDE 5200 RPM.
/usr/src/ & /usr/obj on different drives, mounted async.
Full make world takes 1:15-1.25 depending on how much I use the system
in between, and oh, its running under X while doing this...
So either the PII is a bunch'o'crap (which we allready know), or we
are bound by other things than pure CPU & disk bandwidth :)
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
Søren Schmidt (sos@FreeBSD.org) FreeBSD Core Team
Even more code to hack -- will it ever end
..
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