xeon/hyperthread with TS

  • Thread starter Thread starter Alex Mondale
  • Start date Start date
A

Alex Mondale

I am looking for any URLs/materials where the technical specs for SMP
servers running terminal services clients are listed.

My boss at work claims that only *one* cpu is *ever* used by TS (w2k
advanced), and I'd like to prove him wrong.

We are also seeing ridiculously poor performance (our 2-cpu Xeon with
hyperthreading -- this means task manager and the like think it is a 4-way
box, so is it possible that TS also thinks it's a 4-way?-- with 2.5 gb RAM *
barely* manages 22 concurrent connections of TS clients ... this seems to be
5x too little!!!)

Any help at all is appreciated.
Thanks
Alex
 
Hi Alex,

When Hyper-Threading is enabled, the BIOS uses a logical to physical CPU
ratio. Current implementations are using 2:1 ratios meaning there are 2
logical CPUs for each physical CPU. I think TS also thinks it's a 4-way CPU
if you use 2 Xeon cpu. For licensing and supported configuration details,
visit the following Microsoft Web site:
http://www.microsoft.com/sql/howtobuy/hyperthreading.asp

Here is a article may be useful to you:

Remote Desktop Protocol (RDP) Features and Performance
http://www.microsoft.com/windows2000/techinfo/howitworks/terminal/rdpfandp.a
sp

The test Hardware Configuration of the article above:
=========================================
Terminal Server
¡¤ Windows 2000 Advanced Server
¡¤ 4 x Pentium II Xeon @ 400 MHz with 512 KB L2 Cache
¡¤ 1024 MB RAM
¡¤ Cabletron DE500B PCI Fast Ethernet Adapter
¡¤ 8.5 GB IBM DGHS09Y CLAR09 SCSI Drive formatted NTFS

Client Workstation
¡¤ Windows 2000 Professional
¡¤ 1 x Pentium II @ 300 MHz with 512 KB L2 Cache
¡¤ 128 MB RAM
¡¤ 3Com EtherLink XL 10/100 PCI NIC
¡¤ 9 GB Seagate ST19171W SCSI Drive formatted NTFS
¡¤ Matrox Graphics Millennium II PCI 4MB WRAM[1]

LAN Configuration
¡¤ 100 Mbps private network
¡¤ 1 x 100 Mbps hub


Low-speed Network Configuration
¡¤ Telephone Line Simulator @ 33.6Kbps
¡¤ 2 x US Robotics 56K Sportser modems



Sincerely,
Ivan Sheng, MCSD,MCSE4,2000,MCDBA,CCNA,ASE
Microsoft Online Support Engineer

Get Secure! - www.microsoft.com/security

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