Installation of Redis module for Drupal

Drupal module
https://www.drupal.org/project/redis

Official page
http://redis.io/

Several interesting links
https://pantheon.io/blog/why-we-recommend-redis-drupal-or-wordpress-caching-backend
https://pantheon.io/docs/articles/sites/redis-as-a-caching-backend/
http://stackoverflow.com/questions/10558465/memcached-vs-redis