Linux Performance Tuning: In-Depth Analysis of Buffer and Cache

Buffer and Cache are present in the output of the free command: $ free total used free shared buff/cache available Mem: 8169348 263524 6875352 668 1030472 7611064 Swap: 0 0 0 Note that the output of free may vary between different versions. This output includes specific usage statistics for physical memory Mem and swap partition … Read more

Linux Performance Tuning: Memory Management

Memory management is one of the core functions of an operating system, primarily used to store applications, instructions, caches, and more. Processes, Virtual Memory, and Physical Memory Physical memory is relatively easy to understand; it refers to the amount of memory in a computer, such as 8GB or 16GB. Physical memory is also known as … Read more