Server Optimization by Charles Carroll

Improving server performance is not so well documented and many of the articles lean towards vague, not specific tips. Here are our tips in we hope as concrete a way as possible.

THREAD TIP: Increase threads per processor
from 4 to 20 for each CPU.

thanks to Smiling Jack for this one:
http://www.aspmagazine.com/aspmagazine/issue10kb.asp

see
http://support.microsoft.com/support/kb/articles/q196/0/16.asp

Implement the ADOFre15.reg file!
If you don't use Access, run ADO as FREE THREADED instead of both.

more details at:
http://msdn.microsoft.com/workshop/server/components/daciisperf.asp

WARNING: Access or any STA driver will not function well and may corrupt data. Do not make this change if you are running any Access code in the box.

Additional Research
We have essentially summarized the information and chosen only the clearest guidelines from the following resources:

Web Application Stress Tool
http://homer.rte.microsoft.com

Improving the Performance of Data Access Components with IIS 4.0
http://msdn.microsoft.com/workshop/server/components/daciisperf.asp

Mike Moore's Tuning IIS
http://www.microsoft.com/isn/whitepapers/tuningiis.asp

IIS4 Tuning Parameters for High Volume Sites
http://msdn.microsoft.com/workshop/server/feature/tune.asp

Hans Hugli's Seminar:
Managing Microsoft Internet Information Server 4.0 for Performance @
http://www.microsoft.com/Seminar/1033/199811131-01MaxIISPerfor(HH/Portal.htm 

Backstage at Microsoft.com
http://www.microsoft.com/backstage/whitepaper.htm

IIS Research starts @
http://www.microsoft.com/technet/iis/default.htm

Much ASP coding tips and advice related to scalability can be found at:
http://www.learnasp.com/advice

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