asp.net-mvc - 在 ASP.NET MVC3 中有哪些无 session Controller 的场景？

Question

阅读Guru-Gu's blog post about ASP.NET MVC3 hitting RC ， 他说:-

Session-less Controller Support

You can now indicate whether you want a Controller class to use session-state – and if so whether you want it to be read/write or readonly.read/write or readonly.

有人可以解释一下有人可能想要一个无 session Controller 的场景是什么吗？还是只读 Controller ？

我一直在创建一个 separate IIS website which I use to handle all static images/content and then have this same website have session state turned off ...所以没有cookies通过网络发送。这是类似的场景吗？

Answer 1

顾先生对此发表了评论。引用:

The release notes cover this more (you can download them from the download link above). Session state is designed so that only one request from a particular user/session occurs at a time. So if you have a page that has multiple AJAX callbacks happening at once they will be processed in serial fashion on the server. Going session-less means that they would execute in parallel.

这通常是 ASP.NET 中的已知场景。同一用户的 session 对象不是线程安全的。这意味着如果同一个用户(同一个 session id cookie)向使用 session 的页面发送多个请求，这些请求将排队并被串行而不是并行处理。