Re: [K12OSN] System PerformanceThanks!

[Bob Karschnia <bobk mn rr com>]

How important are the Dual CPUs?

Is the memory the key?



On Saturday 06 December 2003 04:47 pm, Terrell Prude', Jr. wrote:
> Gladly.  Here they are:
>
> Chips:  Two x Athlon 1700+
> Mobo:  Tyan S2466, a.k.a. the Tiger MPX
> DRAM:  Generic 1GB PC2100 ECC registered DDR-SDRAM DIMMs
> Case:  I forget the brand, but it's a full tower and has a 400W power
> supply.
> CPU fans:  Good-sized ones, I believe CoolerMaster
> Hard disk:  Western Digital 80GB IDE (don't know the cache, probably 2MB)
> Video board:  ATI Xpert 98 (just a cheapie 3D Rage Pro card), 8MB
> NIC:  Intel PRO/1000 fiber
>
> I did the shopping for these parts on www.pricewatch.com.  I'm likely to
> build another one for myself after the Christmas "rush" is over and
> prices drop a little more.  Next time, I might try out the MSI K7D
> Master mobo; I've heard good things about it.
>
> --TP
>
> Bob Karschnia wrote:
> >Great!!!!
> >
> >Would you give me the details on what "parts" you used to build your
> > server?
> >
> >On Friday 05 December 2003 06:00 pm, Terrell Prude', Jr. wrote:
> >>Hi Huck,
> >>
> >>Here's what I run in my lab of 25 users:
> >>
> >>Dual Athlon XP 1700's (yes, XP's--they do SMP very nicely, thank you)
> >>4GB DRAM
> >>80GB disk (IDE)
> >>Gig-E, fiber-optic
> >>K12LTSP 2.1.2, running (mostly) the KDE 3.0.5 desktop
> >>Apps typically run:  OpenOffice.org 1.1, Mozilla 1.5, and The GIMP 1.2
> >>
> >>This server cost just under $1,950 to build.  Kicks total butt, and the
> >>resources are still not maxed out yet.  The "big deal" issues are the
> >>DRAM and the Gig-E; they're what allow this server to run as sweetly as
> >>it does.  The kids think it's pretty cool, and one of them, having seen
> >>RHL 9 and Bluecurve, was asking me when we can upgrade.  :-)  So far, I
> >>haven't run into any real I/O issues w/ the IDE disk, but then I'm not
> >>serving 150 users/server like the City of Largo, FL does; that would
> >>call for SCSI RAID.  BTW, now that RH Enterprise Linux AS is $50/copy
> >>for schools and school folks, that would make it almost exactly $2000 to
> >>build this box.
> >>
> >>You can do the same thing w/ Opteron 1.4GHz chips for another grand on
> >>top of this.  Since RHEL AS, Education Edition supports AMD64
> >>architectures, that may be something worth considering, depending on how
> >>many people you want on a particular server.  Since Tyan's dual-Opteron
> >>mobo supports up to 16GB DRAM, given my own observations, that means
> >>about 150 clients/K12LTSP server, and that's running KDE.  For IceWM or
> >>XFce, look out, baby!
> >>
> >>--TP
> >>
> >>Huck wrote:
> >>>Wondering then, what kind of servers do y'all run...those of you who
> >>>have this 'school-wide'...
> >>>For instance our labs contain from 10-30 computers...so lets say 50
> >>>machines total...
> >>>Would I need 5 servers to handle 10 machines each? Or is there some
> >>>better solution?
> >>>Curious as to what kind of muscle you dedicated sys admins are putting
> >>>into these servers to support a large number of client machines.
> >>>
> >>>--Huck
> >>>
> >>>
> >>>-----Original Message-----
> >>
> >>From: k12osn-admin redhat com [mailto:k12osn-admin redhat com] On Behalf
> >>
> >>>Of mella
> >>>Sent: Friday, December 05, 2003 9:21 AM
> >>>To: k12osn redhat com
> >>>Subject: [K12OSN] System Performance
> >>>
> >>>>Subject: [K12OSN] System Performance
> >>>>Our demo lab has a P3-900MHz-384Mb server running 5 clients.
> >>>>Only 4 were up
> >>>
> >>>With this amount of RAM you cannot use more than 2 GNOME clients, if you
> >>>lucky. Or 3 IceWM clients.
> >>>
> >>>Gnome with all bellswhistles use more than 100MB per client.
> >>>
> >>>
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> >>>
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