Introduction to Cache

https://www.digitalocean.com/community/tutorials/how-to-back-up-and-restore-your-redis-data-on-ubuntu-14-04

Redis : Spring data redis with spring boot http://qnimate.com/overview-of-redis-architecture/

Redis vs memcached

https://www.linkedin.com/pulse/memcached-vs-redis-which-one-pick-ranjeet-vimal/

https://github.com/TechPrimers/spring-redis-example