Re: [K12OSN] System Performance

[Bob Karschnia <bobk mn rr com>]

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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