Caching in a web application is the process of storing dynamically generated items, whether these are data objects, pages, or parts of a page, in memory at the initial time they are requested. This can later be reused if subsequent requests for the same data are made, thereby reducing response time and enhancing user experience. One can cache or store these items on the web server or other software in the request stream, such as the proxy server or browser.
Play has a minimal cache API, which uses EHCache. As stated on its website (http://ehcache.org/):
Ehcache is an open source, standards-based cache for boosting performance, offloading your database, and simplifying scalability. It's the most widely-used Java-based cache because it's robust, proven, and full-featured. Ehcache scales from in-process, with one or more nodes, all the way to mixed in-process/out-of-process configurations with terabyte-sized caches.
It provides caching for presentation layers as well as application...