Troubleshooting Performance Problems related to Application Domains reloading
Throughout my time working on the IIS team I've seen a lot of cases where frequent unloading of the Application Domains caused several performance issues. While there are a lot of blog post covering the mechanism ASP.NET uses to detect changes in the files, each of them only covers one aspect of the problem. Hopefully this article can provide a more unified perspective and help you understand how you can troubleshoot or prevent these issues.
