Method and system for dispatching number of virtual machines based on internal storage resource supplying
A memory resource and scheduling subsystem technology, which is applied in the field of scheduling the number of virtual machines based on memory resource supply to achieve the effect of reducing energy consumption
Inactive Publication Date: 2014-06-04
SHANGHAI DIANJI UNIV
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[0007] The purpose of the present invention is to provide a method and system for scheduling the number of virtual machines based on memory resource supply, so as to solve the problems existing in memory resource provision and scheduling when virtual machines are created on physical servers
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[0045] The method and system for scheduling the number of virtual machines based on the supply of memory resources proposed by the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments. Advantages and features of the present invention will be apparent from the following description and claims. It should be noted that all the drawings are in a very simplified form and use imprecise scales, and are only used to facilitate and clearly assist the purpose of illustrating the embodiments of the present invention.
[0046] Please refer to figure 1 , which is a schematic diagram of a system for scheduling the number of virtual machines based on memory resource supply in a preferred embodiment of the present invention. In this embodiment, ubuntu-12.04.3LTS is used as the host operating system memory resource scheduling subsystem, and ubuntu-12.04.3LTS is implemented as a guest operating system memory resource s...
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The invention provides a method and system for dispatching the number of virtual machines based on internal storage resource supplying. The method comprises the steps that the relation of the number of the virtual machines and the number of the virtual machines allowed by the system to be established according to the arrival rate of virtual machine establishing requests and the virtual machine establishing service rate of the system, and the optimal number of the virtual machines allowed by the system to be established is determined; a buddy algorithm parameter of an internal storage resource dispatching subsystem in a host operating system is modified, and the available internal storage of the system is divided into k parts; the internal storage resource dispatching subsystem in the host operating system allocates one of the k parts of the internal storage to an internal storage resource dispatching subsystem in a client operating system of a current virtual machine; the internal storage resource dispatching subsystem in the host operating system recycles the internal storage of the internal storage resource dispatching subsystem in the virtual machine client operating system. The method and system can dispatch the internal storage resources between the internal storage resource dispatching subsystem in the host operating system and the internal storage resource dispatching subsystem in the client operating system on a physical server in a data center, and the number of the virtual machines dispatched on the physical server is effectively guided.
Description
technical field [0001] The invention relates to the field of operating systems, in particular to a method and system for scheduling the number of virtual machines based on memory resource supply. Background technique [0002] Virtualization technology is the cornerstone of cloud computing. By providing virtualized computing resources and storage resources, cloud service providers enable tenants to create thousands of virtual machines on numerous physical servers, and then create various types of virtual machines on these virtual machines. Operating system, so that different services of different operating systems meet the needs of various types of tenants. However, creating thousands of virtual machines on many physical servers requires solving many problems. From the perspective of memory resource scheduling, the current problems mainly include: [0003] 1) When the memory capacity of a single physical server is given, how to quantitatively estimate the number of virtual m...
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IPC IPC(8): G06F9/50G06F9/455
Inventor 薛栋梁程家林张春强汪鑫
Owner SHANGHAI DIANJI UNIV