Considerations for NetTcpBinding/NetNamedPipeBinding you may not be aware

  NetTcpBinding is a strange beast and chances are you will encounter several problems in production you never experienced in development or staging phases. The information you will see here will be either fragmented or hidden in the fine print throughout  MSDN documentation. Considerations about net.tcp binding   Port Sharing Net.tcp services using shared port…

0

How to Identify Why an Application Pool is Recycling in IIS 7+ and DebugDiag 2 Fails to Add Managed Breakpoint in .NET 4.6+ in one post

  Identifying why Application Pool is recycling Starting with IIS 7, application recycle for managed Web Applications does not recycle w3wp.exe (IIS Worker Process), instead it simply reload (unload and load a new one) the Application Domain. I mentioned it on another post how to identify the cause of an application pool recycle, but now…

0

Displaying Http Requests from Self-Hosted WCF Services

  This is a short one, I promise. A colleague was complaining that NetExt command !whttp was not displaying the active/finished requests on a dump file he was sure it was processing http requests. The truth is that the process was not w3wp.exe (IIS Worker Process) but rather a self-hosted WCF service. The command !whttp…

0

First NetExt custom command added by the community – !wsocket

  James Davis is a big shot in the debugging community and maintains a hard core blog of his experiences. Just soon after NetExt came back online he contacted me via the blog with some very particular questions, the kind of question only seasoned debuggers (and debug extension writers) know how to ask. He focused…

0

The case of the non-responsive MVC Web Application

  A colleague (and friend) from Azure team asked me to help narrow down a strange case of a MVC Entity Framework application (hosted in Virtual machine) which occasionally stopped responding, requiring a IIS reset to work again. The products I support do not include IIS, MVC nor Entity Framework. I was invited to help…

1

The strange case of the Application Pool recycling causing high CPU

  This case came as a performance issue. Exchange Web Services stopped responding and CPU skyrocketed. The Exchange team captured a manual dump file and tried in vain to recycle the application. The problem was eventually resolved by invoking a full IISRESET. I was added to the case to help identify why the problem was…

6