EC2 스왑 메모리 설정과 해제

https://dundung.tistory.com/284

swap 설정 확인 : free -h

설정
sudo dd if=/dev/zero of=/mnt/swapfile bs=1M count=2048
sudo mkswap /mnt/swapfile
sudo swapon /mnt/swapfile

해제
sudo swapoff -v /mnt/swapfile
sudo rm /mnt/swapfile