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Dynamic guest memory resizing – paravirtualized approach

Abstract : Nowadays cloud-computing systems take a great advantage of virtualization for the benefits of workload iso- lation and flexible resources partitioning. It is expected that the same functionalities will be available also on disaggregated architectures, proposed recently as next generation approach for building data-centers. In this publication, we are presenting the design and prototype of an enhanced virtualization layer, enabling runtime memory balancing between virtual machines on a section granularity. Guests’ RAM is backed by isolated chunks of host memory, coming from independent physical banks, not necessarily a local one. It can be dynamically resized without requiring any support for the ACPI emulation in the virtualization framework, as we exemplified by implementing the prototype on ARMv8 platform.
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Submitted on : Saturday, September 14, 2019 - 6:56:30 PM
Last modification on : Monday, December 13, 2021 - 9:16:40 AM



Maciej Bielski, Renaud Pacalet, Alvise Rigo. Dynamic guest memory resizing – paravirtualized approach. 27th Euromicro International Conference on Parallel, Distributed, and Network-Based Processing (PDP 2019), Feb 2019, Pavia, Italy. ⟨10.1109/PDP.2019.00032⟩. ⟨hal-02288553⟩



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