Hotspot balance control method and related device

A control method and a technology of hot spot equalization, applied in the field of communication, which can solve problems such as overheating of NUMA nodes

Inactive Publication Date: 2014-12-17
HANGZHOU HUAWEI DIGITAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The purpose of the embodiments of the present invention is to provide a hotspot balance control method and related devices to solve the problem

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  • Hotspot balance control method and related device
  • Hotspot balance control method and related device
  • Hotspot balance control method and related device

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Embodiment Construction

[0042] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is only some embodiments of the present invention, but not all embodiments. 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.

[0043] In order to facilitate the understanding of the embodiments of the present invention, several terms that will be introduced in the description of the embodiments of the present invention are first introduced here:

[0044] Virtual machine VM: One or more virtual computers can be simulated on a physical host through virtual machine software,...

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Abstract

The embodiment of the invention discloses a hotspot balance control method and a related device. The method comprises the following steps of establishing a current hottest node set; predicting a to-be-accessed hotspot memory page of each physical NUMA node in the current hottest node set; determining a hottest virtual machine; migrating the to-be-accessed memory page corresponding to the hottest virtual machine to an idle physical NUMA hotspot. In the embodiment, the to-be-accessed hotspot memory page on a physical machine is predicted, and the to-be-accessed hotspot memory page of the hottest virtual machine is migrated. The predicted to-be-accessed hotspot memory page is the memory page which is possibly frequently accessed in future, after the predicted to-be-accessed hotspot memory page is migrated, the probability that one NUMA node is overheated in future can be reduced to certain extent, and the hotspot balance control can be realized.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a hotspot equalization control method and a related device. Background technique [0002] With the development of virtualization and cloud computing, virtual machines are widely deployed on physical machines (physical servers) of non-uniform memory architecture (Non-uniform Memory Architecture, NUMA). [0003] A physical machine based on the NUMA architecture includes multiple physical processors and multiple memories. The aforementioned multiple physical processors and multiple memories can be divided into multiple groups (also called physical NUMA nodes). One or more virtual machines run on a physical NUMA node. [0004] In the implementation of the present invention, the inventors found that due to frequent access (mainly write operations) and other reasons for the business running by the virtual machine, some memory pages in the physical NUMA node memory will...

Claims

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Application Information

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IPC IPC(8): G06F9/50G06F9/455
Inventor 顾嘉辉
Owner HANGZHOU HUAWEI DIGITAL TECH
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