title: Caching best practiced in Merb
body: <p>Im a beginner in Merb, so want to know, what is the best practices to cache data?
  For example i have a page that shows list of books, that changes not really often, so im looking for a way to cache the data. There can be 2 choices: cache data from db or cache all page (html).</p>
  
  <p>So, is there any tools to make simple and fast?
  Thanks</p>