How do I objectively measure an application's load on a server

Posted by Joe on Server Fault See other posts from Server Fault or by Joe
Published on 2010-01-30T00:10:13Z Indexed on 2010/03/21 19:21 UTC
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Filed under:

windows-server-2008

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sql-server

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performance-monitoring

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performance-tuning

All,

I'm not even sure where to begin looking for resources to answer my question, and I realize that speculation about this kind of thing is highly subjective.

I need help determining what class of server I should purchase to host a MS Silverlight application with a MSSQL server back-end on a Windows Server 2008 platform. It's an interactive program, so I can't simply generate a list of URLs to test against, and run it with 1000 simultaneous users.

What tools are out there to help me determine what kind of load the application will put on a server at varying levels of concurrent users?

Would you all suggest separating the SQL server form the web server, to better differentiate the generated load on the different parts of the stack?

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