ASP.NET Memory Issue: High memory usage in a 64bit w3wp.exe process

posted by  mvrok (14)  13 months ago (blogs.msdn.com)

By default when you run IIS on a 64-bit machine you will still be running a 32-bit w3wp.exe, so apart from a few differences, like being able to use 4 GB virtual bytes instead of 2 GB virtual bytes the difference in debugging an issue on 32-bit vs. 64-bit is not that big.  You will still be debugging with a 32-bit debugger and the memory will be aligned the same as in any 32-bit process on a 32-bit system.

As a matter of fact, something that is very important to point out, is that if you happen to use the 64-bit version of windbg.exe and the debugging tools for windows you