"Linux allows you to tune the VM subsystem. However,
tuning the memory subsystem is a challenging task. Wrong settings
can affect the overall performance of your system. I suggest you
modify one setting at a time and monitor your system for sometime.
If performance increased keep the settings else revert back.
"Say Hello To /proc/sys/vm
"The files in this directory can be used to tune the operation
of the virtual memory (VM) subsystem of the Linux kernel: