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Memory management method of virtual machine system and computer system

A technology of computer system and memory management, which is applied in the field of memory management, and can solve the problem of re-cache error swapping events, etc.

Active Publication Date: 2017-04-12
IND TECH RES INST
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This means that when a virtual machine's memory allocation is dropped from its working set size to a fixed percentage of its working set size, any additional event penalties (for example, being faster again) fetch error (refault) or swap event (swap in)) may be higher

Method used

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  • Memory management method of virtual machine system and computer system
  • Memory management method of virtual machine system and computer system
  • Memory management method of virtual machine system and computer system

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Embodiment Construction

[0015] Reference will now be made in detail to embodiments of the invention, examples of which are illustrated in the accompanying drawings. Wherever possible, the same reference numbers will be used in the drawings and the description to refer to the same or like parts.

[0016] For illustrative purposes, a processor and a system memory are used in the following embodiments, but the invention is not limited thereto. In other embodiments, more than one processor may be used.

[0017] Figure 1A is a block diagram of a computer system according to an embodiment of the present invention. Referring to FIG. 1 , a computer system 100 includes a processor 110 , a system memory 120 coupled to the processor 110 and other standard peripheral components (not shown).

[0018] Processor 110 may be a dedicated or specialized processor configured to perform specific tasks by executing a machine-readable software code language Communication to implement functional operations.

[0019] Th...

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Abstract

A method and computer system for memory management on a virtual machine system are provided. The memory management method includes the following steps. First, a working set size of each of a plurality of virtual machines (virtual machines) on the virtual machine system is obtained through at least one processor, wherein the working set size is a function of running an application on each of the virtual machines. The amount of memory required by the program. Subsequently, an amount of storage memory is allocated by the at least one processor based on the working set size of each of the virtual machines and at least one swap in or re-cache error. To each of the virtual machines, the storage memory is a portion of the available memory in the computer system.

Description

technical field [0001] The invention relates to a technology for memory management on a virtual machine system. Background technique [0002] Computer virtualization is a technology that involves the creation of a virtual machine that behaves like a physical computer with an operating system, and computer virtualization architectures are often defined by the ability to support multiple operating systems simultaneously on a single physical computer platform . For example, a computer running Microsoft Windows can host a virtual machine with a Linux operating system. The host is the actual physical machine on which virtualization takes place, and the virtual machine is considered a guest. A supervisor, exactly called a virtual machine monitor (VMM), is a software layer that virtualizes hardware resources and presents a virtual hardware interface to at least one virtual machine. A hypervisor is similar to the way a traditional operating system manages hardware resources for p...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F9/455G06F12/0882G06F12/109
Inventor 李翰林阙志克姜瑞豪
Owner IND TECH RES INST
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