[ok-mail] [K12OSN] Scalability (long email)
Brian Chase
networkr0 at cfl.rr.com
Sat Apr 10 22:27:51 UTC 2004
This must be why Citrix is so successful, because the native WTS does
such a poor job of it. What I can't figure out is why you took your
whole office staff back to Microsoft when OpenOffice has been out for
several years now.
Terrell Prude', Jr. wrote:
> That's one of the major problems with Windows Terminal Server; the
> underlying platform's just not efficient. The RDP protocol used with it
> is reasonably efficient, but the server itself gets S-L-O-W very
> quickly. I never did more than five on a dual-PIII, 900MHz, 1GB DRAM
> box w/ Ultra3-SCSI RAID, back when I was running Windows networks, for
> performance reasons; with any more, the CPUs kept pegging, and the
> memory subsystem kept almost continuously swapping to disk. As it was,
> there was plenty of swapping, and the CPUs were heavily used. We also
> had stability issues with user applications (e. g. Microsoft Office).
> We ended up using Terminal Services only for us sysadmins and making
> everyone run MS Office on their desktops again. Boy, did we learn!
>
> If for some reason you have to do this for twenty clients on one server,
> then I'd recommend going for, at a minimum, a four processor box, with
> max GHz (currently we're talking either Xeon 3.2GHz's or Opteron
> 2.2GHz's (that's the 848 model, BTW). Also, better have no less than
> 4GB DRAM, and more is definitely not overkill.
>
> --TP
>
> norbert wrote:
>
>> Ooops that's a P-III & just for clarification we're using K12LTSP with
>> diskless client, from each client we launch a rdesktop session.
>>
>> thks again
>> norbert
>>
>> bear2bar at netscape.net wrote:
>>
>>> Hi,
>>>
>>> Has anyone setup rdesktop with linux on 20 + workstations ? (With
>>> Win2K) and what specs are needed for the Win2K server to handle the
>>> load.
>>> We've setup a P-II 500 Mhz with 512mb ram and can barely launch 3
>>> connections. The response is incrediblly SLOW....
>>>
>>> thanks for the input
>>>
>>> norbert
>>>
>>> jhansknecht at hanstech.com wrote:
>>>
>>>> On Tue, 2004-04-06 at 21:26, Shawn Powers wrote:
>>>>
>>>>
>>>>
>>>>> snip
>>>>> I have 3 schools, all connected via fiber. There are approx 30
>>>>> classrooms per building, with a variation of 10 & 100mbit
>>>>> connections internally. The 2 big directions I'm looking at would
>>>>> be to have 90 "mini-labs", where a teacher gets a new white-box
>>>>> Pentium 4 computer, and have it serve as a classroom LTSP server to
>>>>> 5 or 6 "junker" thin clients for the students (much like the
>>>>> original case study Paul Nelson put up several years back). If the
>>>>> student management system won't work under Wine -- that teacher
>>>>> computer would have to run win4lin or some such solution.
>>>>>
>>>>
>>>>
>>>> Instead of win4lin think about using a Windows terminal server with
>>>> rdesktop. ....you will need to spend a little but I suspect you will be
>>>> able to conqueror this application requirement.
>>>>
>>>>
>
>
>
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