In case you are wondering, RAM Drives and tmpfs instances are not the same. This article will explain the difference and show you how to create a RAM drive in Linux using the command line. Setup a fast RAM drive in minutes!
"The RAM chips in your computer can be used to hold a virtual drive. This drive is then not stored on the hard disk but in RAM. Not only will the speed of this virtual disk be significantly faster the a normal disk (and especially when compared with an older type spinning disk, as the physical movement of parts inside a spinning disk cause additional delays), RAM chips do not wear as fast as disks, and again especially and all the more so with older type physical drives..."