w3wp Memory Leak ….

There was an ASP.net application running on IIS 6 and it consum memory till 1 GB … In the memory dumps and found many problems: 0:000> !FindDebugModulesLoading all modules.Searching for modules built in debug mode………………Searching for modules built in release mode with the /debug switch…Done SeachingTotal 4 Debug modulesTotal 0 release modules with the /debug…

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Debugging Hang issue of ASP.net 2.0 App running on IIS 6.

This Dump was very tricky and intersting, the issue was intermitently hange in ASP.net 2.0 Application running on IIS 6. I checked dumps and found all threads are waiting on DB by two commands: “~* e !clrstack” and “~ * e KL” but they were all victim of thread 75 0:075> !syncblkIndex SyncBlock MonitorHeld Recursion…

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