Over the last decade, Redis has become a popular, widely used in-memory cache.

Unlike most distributed caches, it offers a compelling set of built-in data structures that enhance its capabilities beyond just storing serialised objects. Created in 2009 as a single-server store to assist in the design of a web server, Redis gives applications numerous useful options for organising and retrieving stored data, including sets, lists, hashes, and sorted sets.

A few years on...