Debugging error System.InvalidOperationException Timeout expired. The timeout period elapsed prior to obtaining a connection from the pool.

Disclaimer: Most of the content for this post come from an amazing blog post by Remi Lemarchand, which was the only source I could find on how to troubleshoot this issue, I am posting it here with some small modifications to fit a different scenario where we were not clear on which pool was having the…

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.Net contention scenario using PerfView

This is a contention case study from one of our ATs – I have been learning a lot about PerfView from one of our more experienced devs, once you get a grip of it, you can do amazing things with perfview. The perfview was collected using this command (which tells it to collect a perfview…

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Introduction to PerfView

Perf view is our new favorite debugging tool, I very highly recommend watching the video series provided by PerfView creator Vance Morrison at https://channel9.msdn.com/Series/PerfView-Tutorial I will start blogging a little bit about several interesting scenarios that can be debugged using perf view – check the next few posts!

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