FreeBSD 7.0, MS, MW, ClamAV, 8gb with 64bit or 4 gb with 32bit

[Mikael Syska]

Hi,

We are upgrading a old system that are to be changed, because of bad
performance with the SAS 5i controller installed in it.

While we are changing it, we could use the old one, for some other
task, and buy a new better one, as this would probebly get to slow in
1-2 years.

We are thinking of buying:
Dell poweredge 2950
4 or 8gb ram
Raid10 with 300gb 15000rpm SAS harddrives
With one of theese 2 processors ...the fastest is the cheapest ... but
are there any difference since its cheaper ? ( thinking about the diff
with the E and X in the name and the speed)
Quad Core Intel(R) Xeon(R) E5440, 2X6MB Cache, 2.8GHz, 1333MHz FSB
Quad Core Intel(R) Xeon(R) X5450, 2X6MB Cache, 3.0GHz, 1333MHz FSB

We are going to install FreeBSD 7.0

Any on the list running a system with 8 GB memory, tmpfs, and 64bit ?
Any problems ? Or will 4 GB be enough and then on 32bit, but still
using tmpfs ?
How big should the tmpfs be ?

Are there any other suggestions to this setup ? Anything that could be
changed ? bigger, smaller ....

All input are most welcome ....

Its also runs some additional small task, as this system seems a bit
overkill atm .... :-)

best regards
Mikael Syska