Swap

wikipedia:swap

cat /proc/swaps
Filename				Type		Size	Used	Priority
/dev/dm-1                               partition	4194300	268	-2
/dev/dm-6                               partition	999420	0	-3

Related commands

• swapon -s or swapon --show
• swapoff /dev/mapper/rhvh-swap
• systemctl --type swap
• sysctl vm.swappiness
• vm.vfs_cache_pressure

Activities

• Review Linux swap questions in StackExchange: https://unix.stackexchange.com/questions/tagged/swap?tab=Votes
• Read "The next steps for swap" article from lwn.net https://lwn.net/Articles/717707/
• User sar -S to review swap usage

See also

• Swap, swapon, swapoff, mkswap, swaplabel, free,sar -r, sar -S, sar -W, vmstat, vm.swappiness, /proc/swaps, /etc/fstab, Add a swap disk, systemd.swap
• memory