Cost of Virtual Machine Live Migration in Clouds: A Performance Evaluation

被引：323

作者：

Voorsluys, William ^{[1
]}

Broberg, James ^{[1
]}

Venugopal, Srikumar ^{[2
]}

Buyya, Rajkumar ^{[1
]}

机构：

[1] Univ Melbourne, Cloud Comp & Distributed Syst CLOUDS Lab, Dept Comp Sci & Software Engn, Melbourne, Vic 3010, Australia

[2] Univ New S Wales, Sch Engn & Comp Sci, Sydney, NSW 2052, Australia

来源：

CLOUD COMPUTING, PROCEEDINGS | 2009年 / 5931卷

基金：

澳大利亚研究理事会;

关键词：

Virtual machines; performance evaluation; migration; Xen;

D O I：

10.1007/978-3-642-10665-1_23

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

Virtualization has become commonplace in modern data centers, often referred EIS "computing clouds". The capability of virtual machine live migration brings benefits such as improved performance, manageability and fault tolerance, while allowing workload movement with a short service downtime. However, service levels of applications are likely to be negatively affected during a live migration. For this reason, a better understanding of its effects on system performance is desirable. In this paper, we evaluate the effects of live migration of virtual machines on the performance of applications running inside Xen VMs. Results show that, in most cases, migration overhead is acceptable but cannot be disregarded, especially in systems where availability and responsiveness are governed by strict Service Level Agreements. Despite that, there is a high potential for live migration applicability in data centers serving modern Internet applications. Our results are based on a workload covering the domain of multi-tier Web 2.0 applications.

引用

页码：254 / +

页数：3

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