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On Sun, Nov 05, 2000 at 12:52:23PM +1100, Luke Mewburn wrote:
> Frederick Bruckman writes:
> > So the objects all go on NFS? That can't be good.
>=20
> Depends on what your NFS server is.
>=20
> Even using a 2 year old NetApp filer over 100Mb full duplex ethernet
> is still quite fast, since the box has about 1/10th the latency of
> most local disks, and building is more about accessing lots of
> files vs raw seqential file throughput (which is one thing filers
> aren't really `faster' than local disk at).
>=20
> And as Chris said, even a decent solaris box with a RAID array is quite
> good too.

Bernd Sieker has built a 1.5_BETAish snapshot on a 40 MHz 68040 Amiga, with
everything over NFS, with the exception of /tmp on MFS.

Server was a fast Pentium roman($N) NetBSD BOX, with heavy usage of softdep
for most, and LFS for the DESTDIR and RELEASEDIR.

Now to the benchmarks:

1.5 build:

My machine,	68060/50 MHz/112 MB,	local disk:	31 hours
Bernds machine,	68040/40 MHz/64 MB,	NFS:		60 hours

1.4.3 build, if I recall right:

he's machine,	68040/33 MHz/64 MB, local disk, 1.4 build: 28 hours
my machne, 	68060/50 MHz/112 MB, local disk, 1.4 build: 15 hours

=3D>

68060/50 with local disk is about twice as fast as 68040/33 with local disk.
68060/50 with local disk is about twice as fast as 68040/40 with decent NFS=
.=20

=3D>

68040/40 with decent NFS is about as fast as 68040/33 with local disk.

Thats not too bad, IMHO. Your mileage will vary when other people use the
network or the NFS server.

Regards,
	-is

--=20
 * Progress (n.): The process through which Usenet has evolved from
   smart people in front of dumb terminals to dumb people in front of
   smart terminals.  -- obs@burnout.demon.co.uk (obscurity)

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