基于QEMU-KVM的VM迁移仿真系统

VM Migration Simulation System Based on Quick Emulator Kernel Virtual Machine

针对当前VM资源迁移过程中效率过低等问题,设计了一种基于Quick Emulator与Kernel Virtual Machine(QEMU-KVM)技术的VM迁移仿真系统。该系统分别在主主机和子主机中设置若干张信息表,并基于这些信息表实现了包括replace迁移,merge迁移和divide迁移在内的三种迁移方式。仿真实验结果表明,与经典的VM迁移方式相比,论文设计的系统VM资源迁移消耗时间更短,而且显著降低了主主机与子主机间的page in/page out远程分页开销,预期可以成为未来云计算框架中一种有效的VM资源迁移方案。

Aiming at the low efficiency of VM resource migration,a VM migration simulation system based on Quick Emulator and Kernel Virtual Machine(QEMU-KVM)technology is designed. The system sets up several information tables in the main host and sub host respectively,and realizes three migration modes including replace migration,merge migration and divide migration based on these information tables. Simulation results show that,compared with the classical VM migration method,the VM resource migration time of the system designed in this paper is shorter,and the page in/page out remote paging overhead between the main host and the sub host is significantly reduced,which is expected to be an effective VM resource migration scheme in the future cloud computing framework.