We have a product we have been using for years. It is a WCF service and we noticed after upgrading the .Net 4.5 framework in our test environment the application is consuming twice as much memory. If we revert back to .Net 4.0 things go back
to normal. We are not making any code changes just upgrading the framework. We are attempting to find an explanation for this behavior. We have used Ants profiler and we do notice that several classes such as string, hashtable, object[], etc...
are larger and the retention graphs are different with regards to references to these object, but want to have a solid explanation as to why this is happening. If anyone can clue us in on this issue it would be greatly appreciated.
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