an ASP.NET performance bottleneck mystery

Question

A classic ASP.NET app - AppSrv + MS SQL DB. Both servers are heavy-lifters 8 cores, 20 GB of RAM. When load testing, the throughput goes somewhere to 400 VirtualUsers (according

Answer 1

Also check for network saturation. Make sure you aren't maxing out the network connection between your load test machine and the web server. Also, if you are returning alot of heavy text/binary data between your web and database server monitor that network connection.