Unikraft CEO Felipe Huici demonstrated waking the one-millionth VM on a commodity server in ten milliseconds at QCon London. The talk traced a decade from academic unikernel research to a platform offering stateless scale-to-zero VMs with full isolation. Using Firecracker and VM snapshots, sleeping workloads resume instantly, turning server density from a hardware problem into a scheduling one.
By Steef-Jan Wiggers