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Virtual machine processor resource adjusting method and device and virtual machine system

A technology of virtual processors and processor resources, applied in the field of virtual machine systems and the adjustment of virtual machine processor resources, can solve the problems of reducing VCPU resources, unable to achieve elastic scaling of virtual machine physical resources, etc. The effect of elastic expansion

Active Publication Date: 2014-06-18
CHINA TELECOM CORP LTD
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, under the x86 architecture of the CISC instruction set, since its virtualization technology has only been developed on a large scale in recent years, the virtualization software under the x86 architecture can only support the increase of dynamic VCPU resources, but cannot realize Reducing VCPU resources does not allow elastic scaling of virtual machine physical resources

Method used

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  • Virtual machine processor resource adjusting method and device and virtual machine system
  • Virtual machine processor resource adjusting method and device and virtual machine system
  • Virtual machine processor resource adjusting method and device and virtual machine system

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Embodiment Construction

[0057] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. It should be noted that the relative arrangement of components and steps set forth in these embodiments does not limit the scope of the invention unless specifically stated otherwise.

[0058] The following description of at least one exemplary embodiment is merely illustrative in nature and in no way taken as limiting the invention, its application or uses. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0059] Techniques, methods and devices known to those of ordinary skill in the relevant art may not be discu...

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Abstract

The invention discloses a virtual machine processor resource adjusting method and device and a virtual machine system. The method comprises, for a VCPU (virtual central processor unit) to be deleted of a virtual machine (VM), identifying whether the VCPU contains a resource scheduling request; responding to the resource scheduling request of the VCPU, according to the response time threshold value of the operating system of the VM for starting automatic fault detecting operation, delaying the response to the resource scheduling request, and enabling the resource scheduling request to obtain response within the response time threshold value; performing response when the resource scheduling request does not obtain the response within the response time threshold value, starting the automatic fault detecting operation through the operating system of the VM, scheduling queued processes in the VCPU to other VCPUs of the VM; deleting the VCPU, and releasing physical server CPU (central processor unit) resources occupied by the VCPU. The virtual machine processor resource adjusting method can reduce VCPU resources in an operating state and achieve flexible expansion and retraction of virtual machine resources.

Description

technical field [0001] The invention relates to the field of computer applications, in particular to a virtual machine processor resource adjustment method, device and virtual machine system. Background technique [0002] A virtual machine (Virtual Machine, VM) refers to a complete computer system that is simulated by software and has complete hardware system functions and runs in a completely isolated environment. The virtual machine application software provides virtual hardware for the virtual machine based on the real processor and memory of the host computer, and these virtual hardware can be completely regarded as real hardware by the operating system installed on the virtual machine. Judging from the running characteristics of the operating system, there is no essential difference between the virtualized hardware and the real hardware, and each virtual machine has a relatively independent running space. [0003] When a virtual machine is in a running state, in some c...

Claims

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Application Information

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IPC IPC(8): G06F9/50G06F9/455
Inventor 金华敏赖培源蔡康黄勇军李巧玲秦润锋樊勇兵陈天
Owner CHINA TELECOM CORP LTD
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