.NET Garbage Collection PopQuiz

Time for a little pop-quiz/potential interview questions to get some action going in the comments section…  Feel free to answer any or all of the below questions, I’ll follow up with a post later if all of them are not answered…   1. How many GC threads do we have in a .NET process running the…

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Things to ignore when debugging an ASP.NET Hang – Update for .NET 2.0

I often get questions like “what is this thread doing?”. A lot of the time it is about threads that are essential to the process but completely unrelated to the problem at hand.  A while back, in the beginnings of this blog, I wrote a post about what threads you can ignore so you can focus on what…

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ASP.NET Case Study: Tracing your way to Out Of Memory Exceptions

One of my colleagues asked me to look at a memory dump for a customer and I thought that was I found was fairly interesting so here is the story. Problem description: Memory in our ASP.NET application (w3wp.exe) keeps growing and growing and requests become slower and slower as time goes by. Speaking of which,…

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High CPU in GC and other badness caused by SetProcessAffinityMask

I thought I’d share a support story with you from a very interesting case I have.  My customer is running a pretty busy ASP.NET application on an 8-way box.  Actually they are running on several 8-way boxes but that doesn’t really make a difference for the story…   Problem description: Intermittently requests are running so slow…

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Developer Summit 2007

A short commercial break… I’ll be chatting along about ASP.NET issues at Developer Summit 2007 in Stockholm on May 23rd. http://www.cornerstone.se/expertzone/dev07/

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.NET Hang Case Study: The GC-Loader Lock Deadlock (a story of mixed mode dlls)

I’m sorry I haven’t had a chance to write much lately because of a lot of different reasons.  I moved houses and at the same time I started writing some managed debugging scripts for debugdiag 1.1 to allow it to automatically catch a lot of the issues that I’ve been writing about before.  But… enough…

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I’ve been Tagged

I was Tagged by David Salgado so here are 5 things you probably don’t know about me… 1. I am both a Swedish and a Spanish citizen, the Spanish part comes from my dad and I am semi-fluent in Spanish 2. One of my favourite passtimes is playing pick-a-pix (a japanese crossword game), which when…

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