Swap on Linux

swap.md

Swap on Linux

• https://www.digitalocean.com/community/tutorials/how-to-add-swap-on-ubuntu-14-04

Swap File

sudo fallocate -l 4G /swapfile
sudo chmod 600 /swapfile
sudo mkswap /swapfile
sudo swapon /swapfile
sudo swapon -s
free -m

sudo vi /etc/fstab
/swapfile   none    swap    sw    0   0

Swap Settings

cat /proc/sys/vm/swappiness
sudo sysctl vm.swappiness=10
sudo vi /etc/sysctl.conf
vm.swappiness=10

cat /proc/sys/vm/vfs_cache_pressure
sudo sysctl vm.vfs_cache_pressure=50
sudo vi /etc/sysctl.conf
vm.vfs_cache_pressure = 50