Cloud Native Theater | KubeVirt Summit: Achieving 10× Faster VM Migration to Kube... Ryosuke Tatsumi

This talk covers the challenges of migrating large-scale production virtual machines from VMware environments to KubeVirt, focusing on slow data migration and scalability issues. The speaker presents an enhancement to Forklift, an open-source toolkit, which introduces a storage offload acceleration mechanism using XCOPY, a standard storage I/O command. This innovation significantly reduces host CPU, memory, and network consumption, achieving up to 10 times faster VM migrations compared to traditional methods. The session also explores the design's support for both cold and warm migration workflows and its ability to scale to thousands of VMs, addressing critical challenges faced by KubeVirt users in large environments. The speaker encourages the community to adapt and extend this contribution to improve VM migration performance across various setups.