Describe the building block applications and how they would interact to manage a large number of MySQL servers. How to do automated master promotions, fast automatic fault detection, fast failover and node fencing to provide a reliable system that is unlikely to lose a transaction in the event of a server failure whilst keeping downtime to less than a few seconds.

Simon Martin is a Production Engineer whose primary role is to write applications that facilitate the management of Facebook's MySQL infrastructure, keeping the operational overhead small in comparison to the growing fleet of servers to manage.