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A Study of Virtualization Overheads

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dc.contributor.advisor Porter, Donald E en_US
dc.contributor.author Agarwal, Kavita en_US
dc.contributor.other Department of Computer Science. en_US
dc.date.accessioned 2017-09-20T16:52:19Z
dc.date.available 2017-09-20T16:52:19Z
dc.date.issued 2015-12-01 en_US
dc.identifier.uri http://hdl.handle.net/11401/77265 en_US
dc.description 55 pg. en_US
dc.description.abstract Containers or OS-based virtualization have seen a recent resurgence in deployment. Containers have low memory footprint and start-up time but provide weaker security isolation than Virtual Machines (VMs). Incapability to load kernel modules and support multiple OS, and platform-dependence limits the functionality of containers. On the other hand, VMs or hardware-based virtualization are platform-independent and are more secure, but have higher overheads. A data centre operator chooses among these two virtualization technologies —VMs and containers—when setting up guests on cloud infrastructure. Density and Latency are two critical factors for a data centre operator because they determine the efficiency of cloud computing. Therefore, this thesis contributes updated density and latency measurements of KVM VMs and Linux Containers with a recent kernel version and best practices. This work also studies the memory footprint of KVM VMs and Linux Containers. In addition, it identifies three ways to improve the density of KVM VMs by lowering the memory footprint: improving existing memory deduplication techniques, removing unused devices emulated by QEMU, and removing unused pages from the guest address space. en_US
dc.description.sponsorship This work is sponsored by the Stony Brook University Graduate School in compliance with the requirements for completion of degree. en_US
dc.format Monograph en_US
dc.format.medium Electronic Resource en_US
dc.language.iso en_US en_US
dc.publisher The Graduate School, Stony Brook University: Stony Brook, NY. en_US
dc.subject.lcsh Engineering en_US
dc.subject.other cloud computing, containers, deduplication, overheads, virtualization, VMs en_US
dc.title A Study of Virtualization Overheads en_US
dc.type Thesis en_US
dc.mimetype Application/PDF en_US
dc.contributor.committeemember Stoller, Scott en_US
dc.contributor.committeemember Ferdman, Mike. en_US


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