Profile memory usage in ASP.Net session state

Question

I am trying to figure out the size of a certain session state. On one of our heavy pages (a lot of data in the table), it is getting slower. The problem is resolved by logging out.

I was profiling a page that was looking for JavaScript memory leaks, but I could not find anything. My next attack plan is to look at ViewState and Session State. ViewState will be simple, but session state is a complex task.

Does anyone know of any tricks or tools to help figure out the size of the session state?

EDIT

Session Status - InProc.

Answer 1

Measure this:

int totalBytes;
var formatter = new BinaryFormatter();
for(int i = 0; i < Session.Count; i++)
{
    using (var stream = new MemoryStream())
    {
        formatter.Serialize(stream, Session[i]);
        stream.Flush();
        totalBytes += stream.Length;
    }
}

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Answer 2

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