Impacts on the I/O performance of the virtual disk in Xen

Impacts on the I/O performance of the virtual disk in Xen

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Storage systems are complicated, especially after the virtualization technology has been introduced. As is a key metric, the I/O throughput of the storage in the virtual machine environment is remarkably lower than that in the non-virtualized environment. This disparity should be alleviated because...

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Main Author: Zhang, Quan
Language:English
Published: University of British Columbia 2012
Online Access:http://hdl.handle.net/2429/39998
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spelling ndltd-UBC-oai-circle.library.ubc.ca-2429-399982018-01-05T17:25:33Z Impacts on the I/O performance of the virtual disk in Xen Zhang, Quan Storage systems are complicated, especially after the virtualization technology has been introduced. As is a key metric, the I/O throughput of the storage in the virtual machine environment is remarkably lower than that in the non-virtualized environment. This disparity should be alleviated because of the growing popularity of virtual machines. In this paper, four factors, which affect the I/O throughput of the generic Linux storage subsystem and further degrade virtualization on this storage subsystem, are testified by quantitative approaches, leading to the effective solutions of improving the I/O throughput. The improvements are verified by experiments; however, the overhead of virtualization is inevitable. Therefore, a further way to offset the overhead is also given in this thesis. Science, Faculty of Computer Science, Department of Graduate 2012-01-10T23:30:56Z 2012-01-10T23:30:56Z 2012 2012-05 Text Thesis/Dissertation http://hdl.handle.net/2429/39998 eng Attribution-NonCommercial-NoDerivatives 4.0 International http://creativecommons.org/licenses/by-nc-nd/4.0/ University of British Columbia
collection NDLTD
language English
sources NDLTD
description Storage systems are complicated, especially after the virtualization technology has been introduced. As is a key metric, the I/O throughput of the storage in the virtual machine environment is remarkably lower than that in the non-virtualized environment. This disparity should be alleviated because of the growing popularity of virtual machines. In this paper, four factors, which affect the I/O throughput of the generic Linux storage subsystem and further degrade virtualization on this storage subsystem, are testified by quantitative approaches, leading to the effective solutions of improving the I/O throughput. The improvements are verified by experiments; however, the overhead of virtualization is inevitable. Therefore, a further way to offset the overhead is also given in this thesis. === Science, Faculty of === Computer Science, Department of === Graduate
author Zhang, Quan
spellingShingle Zhang, Quan
Impacts on the I/O performance of the virtual disk in Xen
author_facet Zhang, Quan
author_sort Zhang, Quan
title Impacts on the I/O performance of the virtual disk in Xen
title_short Impacts on the I/O performance of the virtual disk in Xen
title_full Impacts on the I/O performance of the virtual disk in Xen
title_fullStr Impacts on the I/O performance of the virtual disk in Xen
title_full_unstemmed Impacts on the I/O performance of the virtual disk in Xen
title_sort impacts on the i/o performance of the virtual disk in xen
publisher University of British Columbia
publishDate 2012
url http://hdl.handle.net/2429/39998
work_keys_str_mv AT zhangquan impactsontheioperformanceofthevirtualdiskinxen
_version_ 1718583190271033344

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