KVM Dirty Page Tracking - Optimizing VM Migration

Explore the intricacies of KVM Dirty Page Tracking in this 25-minute conference talk by Peter Xu from Red Hat. Delve into the concepts of synchronous and asynchronous dirty tracking, and understand their impact on huge VM migrations. Learn about the challenges of downtime, atomic operations, and cache misses, and discover the solutions proposed by KVM and QML to address these issues. Gain valuable insights into optimizing virtual machine performance and migration processes in Linux-based environments.

Introduction
What is Dirty Page Tracking
Synchronous Dirty Tracking
Asynchronous Dirty Tracking
Huge VM Migrations
Summary
Downtime
Atomic operations
Cache mis
KVM solution
QML solution