How to check swap utilization ?
Use free -h command
sandeepsr@master:~$ free -h
total used free shared buff/cache available
Mem: 1.9Gi 222Mi 149Mi 1.0Mi 1.6Gi 1.5Gi
Swap: 1.7Gi 0B 1.7Gi
How to disable Swap ?
Use swapoff -a command
sandeepsr@master:~$ sudo swapoff -a
sandeepsr@master:~$ free -h
total used free shared buff/cache available
Mem: 1.9Gi 221Mi 150Mi 1.0Mi 1.6Gi 1.5Gi
Swap: 0B 0B 0B
How to enable swap?
Use swapon -a command
sandeepsr@master:~$ sudo swapon -a
sandeepsr@master:~$ free -h
total used free shared buff/cache available
Mem: 1.9Gi 221Mi 150Mi 1.0Mi 1.6Gi 1.5Gi
Swap: 1.7Gi 0B 1.7Gi