Google appengine: tornado vs webapp

Question

I need a light/high performance/low cpu usage web framework use at google appengin, I am not sure which if fit for this between the default webapp framework of GAE and tornado web framework.

FYI

Well, any way, I have decide to use tornado template instead of the django template on GAE.

Tornado is fast, but I don't know is it also fast on GAE, and asynchronize response feature is unavariable on WSGI environment. But, I think if tornado do some work it's able to work at CGI environment which GAE use.

Answer 1

On the Tornado site they explain how to make it work. As you already mentioned, you will not have the async features that make Tornado so fast on App Engine.

Just skimming over the docs Tornado and webapp seem similar. If you really want to know which will perform better for your application, put together a simple (but representative) handler and upload it.

If you are looking for something more feature-full you might consider using webapp2 in conjunction with Tornado templates.