Fedora 31 Essentials

31. Adding and Managing Fedora 31 Swap Space

An important part of maintaining the performance of a Fedora 31 system involves ensuring that adequate swap space is available comparable to the memory demands placed on the system. The goal of this chapter, therefore, is to provide an overview of swap management on Fedora 31.

31.1 What is Swap Space?

Computer systems have a finite amount of physical memory that is made available to the operating system. When the operating system begins to approach the limit of the available memory it frees up space by writing memory pages to disk. When any of those pages are required by the operating system they are subsequently read back into memory. The area of the disk allocated for this task is referred to as ...