Unfortunately, I can’t give you the exact numbers but I assure you that Microsoft did its best to make it as invisible as possible. You may now ask yourself how such monitoring impacts your application performance.
#Asp net monitor code#
For instance, a call stack for WebApplicationLifetimeEvent shows that it’s the HttpApplicationFactory who pulled the event trigger when application was awakening to serve the first request:Ĭopy Code !.ProcessEvent Once the breakpoint was hit, I collected a managed call stack from the debugger.
I found this out by simply placing a breakpoint on a .ProcessEvent method. In this paragraph, I will pick few events and show you which part of the ASP.NET framework fires them. For instance, if your application shares an application pool with some other applications, you may need to check whether the memory problem is not caused by one of them. If we find any issue, we can further profile the application on a machine where the problem appeared ( Machine name, Process ID). For instance, we can easily say whether our application is consuming too much memory or whether there is any latency in serving user requests ( Requests queued). Look how many information is exposed by this simple event.
Events with code 1005 issued every 120s ( heartbeatInterval="120") reveal the application state: Events with codes 10 provide information about application startup and shutdown.
If you deploy this code to a server and call the Default.aspx page, new events should appear in the event log.
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