Intel Page Modification Logging, a hardware virtualization feature: study and improvement for virtual machine working set estimation

January 7, 2020

Intel Page Modification Logging (PML) is a novel hardware feature for tracking virtual machine (VM) accessed memory pages. This task is essential in today’s data centers since it allows, among others, checkpointing, live migration and working set size (WSS) estimation. Relying on the Xen hypervisor, this paper studies PML from three angles: power consumption, efficiency, and performance impact on user applications. Our findings are as follows. First, PML does not incur any power consumption overhead. Second, PML reduces by up to 10.18% both VM live migration and checkpointing time. Third, PML slightly reduces by up to 0.95% the performance degradation on applications incurred by live migration and checkpointing.

Spotlight

Braincube

Pionner in Manufacturing Intelligence, our company has lead the way to a connected, predictive and intelligent factory. Today, we support industrials in 25 countries, including half of the industrials of the French CAC 40.

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THE VIRTUAL CLOUD NETWORK

whitePaper | January 15, 2020

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Spotlight

Braincube

Pionner in Manufacturing Intelligence, our company has lead the way to a connected, predictive and intelligent factory. Today, we support industrials in 25 countries, including half of the industrials of the French CAC 40.

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