Tips for improving the performance of Ubuntu systems

in the Ubuntu system, the swap partition is not used until your physical memory is exhausted! The Swappiness setting value of the system is very important for how to use the swap partition, not when the swap partition is used when the swappiness=0 is in use, the swappiness=0 indicates the maximum use of physical memory, and then the Swap space,swappiness=100 The active use of the swap partition, and the memory of the data in a timely manner into the swap space

Cat/proc/sys/vm/swappiness  //   View value of Swappiness

sudo sysctl vm.swappiness=20//Temporary change swappiness variable value

sudo gedit/etc/sysctl.conf//Open System configuration file via Gedit

vm.swappiness=  //At the end add this sentence

Tips for improving the performance of Ubuntu systems