It’s no secret that WordPress is one of the most used CMSs in the world.

We will use a Memcached node, two Apache servers, an NGINX load balancer and two replicated MySQL databases. In this case if one Apache server fails, the sessions are stored for backup on the Memcached node. The other server can fetch the sessions from Memcached and then proceed serving the session. An NGINX load balancer distributes the traffic across the cluster. The MySQL master-slave replication mechanism improves the performance, the data security and the fail-over capabilities. read more…