[ok-mail] [K12OSN] Scalability (long email)

dahopkins at comcast.net dahopkins at comcast.net
Sat Apr 10 23:23:13 UTC 2004

We (NCS) have been using Win2K TS this year fairly successfully to run up to 30-40 client connections with rdesktop.  However, the performance seems to depend on the application being used. e.g.30+ sessions of Type to Learn run very well, but launch just 4 or 5 instances of Eclass Grades( Winschool) and it can bring the server to a halt.  In fact, each Eclass session uses a full 'cpu'.  I have never tried to track down exactly why.

Server specs: Dual 2.4 Xeons with 4Gb memory, dual Gb NICs. SCSI RAID 1 15K rpm drives.

Dave Hopkins


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


jhansknecht at hanstech.com wrote:

On Tue, 2004-04-06 at 21:26, Shawn Powers wrote:

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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