Maximal performance of PostgreSQL can't be guaranteed by changes made to postgresql.conf settings or by the simple fact of purchasing the expensive hardware. One have two maintain a balance between selection of the hardware, configuration of the operating system and the database itself: I/O, memory and so on.<br /> <br /> During this 4-hour tutorial I will discuss in great detail how to choose and configure the hardware that is available nowadays, explain how it works and what needs to be configured inside the database and operating system. From traditional mechanic drives and various SSDs to FusionIO products, from traditional Linux I/O to setup of the Veritas cluster file system.