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Virtual Event | September 15-16, 2021
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Wednesday, September 15 • 14:05 - 14:30
KVM Dirty Page Tracking - Peter Xu, Red Hat

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In this talk, Peter Xu will discuss the existing solutions used in KVM for guest dirty page tracking, challenges, and wild imaginations to the future. As a start, there will be a background introduction on what is KVM dirty page tracking, why we need it, and how it works. It will cover the state of the art techniques we already use with either dirty logging or dirty rings, meanwhile discuss pros and cons for different solutions. The challenges that we face on huge VM migrations will be discussed and explained too. It turns out that maybe having a better interface is not the only thing we need to do, but also think about how to use it right.

avatar for Peter Xu

Peter Xu

Software Engineer, Red Hat
Peter Xu is a software engineer working for Red Hat Virtualization team. He's recently working on VM live migrations and some memory management problems of VMs or hosts.

Wednesday September 15, 2021 14:05 - 14:30 UTC
  KVM Track 1
  • Presentation Slides Attached Yes