How Fast Can We Go? Booting a Linux VM to Userspace in 100ms and Beyond

Explore the techniques for optimizing Linux VM boot times in this insightful conference talk. Discover how Cloud Hypervisor, a Virtual Machine Monitor using KVM, can boot a Linux VM to userspace in just 100ms with proper configuration. Learn about the importance of rapid VM startup for secure container workload isolation and Function as a Service (FaaS) applications. Witness a demonstration of performance overhead analysis and mitigation strategies. Delve into advanced techniques aimed at further reducing boot times to an ambitious 50ms target. Gain insights into optimizations applicable across various VMMs and guest kernel modifications. Examine the trade-offs and compromises necessary to achieve these remarkable boot times, providing a comprehensive understanding of the challenges and solutions in accelerating Linux VM boot processes.