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	Analysis and Enhancement for Interactive-Oriented Virtual Machine Scheduling
	Xia, Yubin ; Niu, Yan ; Zheng, Yansong ; Jia, Ning ; Yang, Chun ; Cheng, Xu
	2008
英文摘要	Recently, there has been increasingly interest in hosting desktop applications in virtual machine environment and accessing them with thin-client devices. However the interactive performance in such scenario has not been fully investigated Yet. We thus measure the performance of the interactive desktop system hosted by Xen VMM. Our experimental results show that with heave workload VMs coexisting on the same physical server, one guest domain may get poor interactive performance for the existence of occasional large "latency-peak". We argue that for interactive operation, the larger variance of response latency, instead of the longer latency it-self is the most important performance problem for the virtualized approach. We enhance the Credit scheduler of Xen to minimize both the height and frequency of latency-peak. The results exhibited improvements in average height of latency-peak of up to 97.4% and in frequency of latency-peak of tip to 94.2% for a variety of consolidation scenarios.; Computer Science, Theory & Methods; Telecommunications; EI; CPCI-S(ISTP); 0
语种	英语
DOI标识	10.1109/EUC.2008.143
内容类型	其他
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/261140]
专题	信息科学技术学院
推荐引用方式 GB/T 7714	Xia, Yubin,Niu, Yan,Zheng, Yansong,et al. Analysis and Enhancement for Interactive-Oriented Virtual Machine Scheduling. 2008-01-01.

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