[Radiant] caching

[Daniel Sheppard]

> > In production mode, Radiant uses page level caching right?  
> > 
> > Settings (environment.rb and environments/production.rb) 
> look like page level
> > caching, but I thought page level caching wrote files to 
> the public/ directory?
> >  I'm confused on the pages being cached as .yml in the 
> cache/ directory?
> 
> Radiant uses a custom caching system built on top of the 
> Rails caching 
> system (I believe that would be page level caching). Files 
> are cached as 
> yaml because the entire response is cached including the headers--not 
> just the HTML.

The caching in radiant is most similar to rails action caching, not page caching. The radiant custom cache has caused a few problems
for people trying to do session-based things with radiant code, but it significantly outperforms the rails action cache (or at
least, it does in the mental branch).

Dan.