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I have an existing ASP.NET 2.0 web service serves several WinForms clients. In our application, We belive we have performance problem in several levels.
This is an existing application with large code base, I would like to instrument this app to find out hotspots.
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In the Windows Performance Monitor (Perfmon.exe), the per-application counters are available under the ASP.NET Applications performance object. If there are multiple applications on the server, you specify a particular application instance when selecting a counter to monitor.
From a software performance standpoint, “hot spots” are an area of intense activity. They're hot spots because they're frequently executed code paths with some sort of friction or bottleneck. They represent potential optimization paths for improving the performance of your code or design.
Measure performance in release buildsOpen the Performance Profiler by choosing Debug > Performance Profiler (or Alt + F2). For more information on using the CPU Usage or Memory usage tool in the Performance Profiler vs. the debugger-integrated tools, see Run profiling tools with or without the debugger.
This may help:
ASP.NET and WorkerThreads – Interesting performance tweaks
20 Tips to Improve ASP.net Application Performance
Use Custom Http Handlers To Improve Performance in ASP.NET
Best practices for ASP.Net applications
Scaling Strategies for ASP.NET Applications
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