Dynamic content distinguishes the web as an interactive medium, but dynamic content can also mean huge strains on web servers. Thankfully, caching can be used to relieve this stress by eliminating redundancies among the generation of identical response content. To this end, the Merb plugin
merb-cache is included in the Merb stack and has been designed to simplify the common challenges of integrating caching in an application.
Though caching is included within the Merb stack, you need to configure it to put it to use.
There are two fundamental cache stores,
MemcachedStore. You can use multiples of each of these stores in your application if necessary.