How to increase/decrease kvm guest memory dynamically?

It is possible !!! RHEL includes balloon driver ( from 5.5 onwards) for kvm guests. The virtio_balloon driver is loaded automatically with RHEL kernels. If a user attempts to balloon a KVM guest the balloon command ( #virsh setmem) will successfully allow a user to change the memory assignment of the guest. # virsh setmem …

Read more