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Dynamic migrating method of virtual machine based on performance prediction

A dynamic migration and virtual machine technology, applied in the field of computer services, can solve problems such as inability to adjust load, affect system performance, load information analysis, etc.

Inactive Publication Date: 2013-07-24
ZHEJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this technology cannot fully analyze the existing load information, resulting in ineffective migration of the system on the one hand, and frequent migration when faced with a large number of sudden loads on the other hand, which affects system performance and cannot be adjusted. load action

Method used

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  • Dynamic migrating method of virtual machine based on performance prediction
  • Dynamic migrating method of virtual machine based on performance prediction
  • Dynamic migrating method of virtual machine based on performance prediction

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Embodiment Construction

[0055] In order to describe the present invention more specifically, the technical solutions of the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0056] Such as figure 1 with figure 2 As shown, a virtual machine dynamic migration method based on performance prediction includes the following steps:

[0057] (1) For any physical machine in the physical machine system, its load information matrix W is constructed by obtaining its historical resource data, and the specific expression is as follows:

[0058] W = S 0 S 1 . . . ...

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Abstract

The invention discloses a dynamic migrating method of a virtual machine based on performance prediction. The method comprises the following steps of obtaining a characteristic vector by using a singular value decomposing principle by extracting system performance data and analyzing the similarity of the singular value to obtain; then, obtaining the performance prediction value at the next moment by a reverse SVD (Singular Value Decomposition) algorithm so as to start a dynamic migrating mechanism of the virtual machine according to future performance prediction values. According to the method, the performance prediction mechanism can make accurate prediction value and the dynamic prediction mechanism can balance the system load. The system can effectively cope with sudden load by effectively analyzing current information of a physical machine and effectively predicting the future load, so that the performance loss caused by unnecessary migration is reduced.

Description

technical field [0001] The invention belongs to the technical field of computer services, and in particular relates to a virtual machine dynamic migration method based on performance prediction. Background technique [0002] Due to the uncertainty of application program information and the differences in the processing capabilities of physical machines, the load imbalance of physical machines in the virtual computing environment is caused. Therefore, how to coordinate the loads of different physical machines in the network and maintain efficient resource utilization is the key to virtualization. A key issue of technology. The common practice is to use the virtual machine migration technology to migrate the virtual machine on the physical machine with high resource utilization to the most suitable target node according to the different utilization of each physical machine resource in the physical machine system, so as to maintain the stability of the system performance. . ...

Claims

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Application Information

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IPC IPC(8): G06F9/48G06F9/455
Inventor 尹建伟李志红罗威李莹邓水光吴健吴朝晖
Owner ZHEJIANG UNIV
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