Mixed cloud storage method based on file access frequency

A file access and access frequency technology, applied in electrical components, transmission systems, etc., can solve problems such as being unsuitable for storing and reading hot data, and cannot be read concurrently, so as to improve system storage resource utilization, ensure data reliability and The effect of access speed

Active Publication Date: 2013-05-22
ZHEJIANG UNIV
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Problems solved by technology

[0005] In a distributed file system using erasure code storage, storage resources can be greatly saved on the premise of providing the same reliability, but a large number of computing and network resources will be used when era

Method used

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  • Mixed cloud storage method based on file access frequency
  • Mixed cloud storage method based on file access frequency
  • Mixed cloud storage method based on file access frequency

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Embodiment Construction

[0026] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0027] On the contrary, the invention covers any alternatives, modifications, equivalent methods and schemes within the spirit and scope of the invention as defined by the claims. Further, in order to make the public have a better understanding of the present invention, some specific details are described in detail in the detailed description of the present invention below. The present invention can be fully understood by those skilled in the art without the description of these detailed parts.

[0028] refer to figure 1 , which is a flowchart of a hybrid cloud storage method based on file access...

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Abstract

The invention discloses a mixed cloud storage method based on file access frequency. The mixed cloud storage method based on the file access frequency includes the following steps: adopting a multi-copy mode storage strategy for a new file when the new file is uploaded to a file system; adopting an erasure code coding mode storage strategy for the file after the file is completely uploaded to the file system; periodically counting access frequency of each file in the file system, and dividing files into three categories which are respectively high frequency files, medium frequency files and low frequency files; adopting different storage strategies for different types of data and different types of files in the system; and dynamically adjusting the storage strategies of the files according to changes of the access frequency of the files in the system. The mixed cloud storage method based on the file access frequency classifies the files by periodically counting the access frequency of each file in the file system, adopts different storage strategies for different types of files, and adjusts the storage strategies of the files according to the changes of the access frequency of the files, and therefore the whole file system wholly improves system storage resource utilization rate on the premises of guaranteeing data reliability and access speed.

Description

technical field [0001] The invention belongs to the technical field of data storage, and in particular relates to a hybrid cloud storage method based on file access frequency. Background technique [0002] With the continuous development of information technology, cloud storage system occupies a pivotal position. Especially in today's explosive growth of data, it is difficult for local storage to meet the needs of massive data storage. People are increasingly using cloud storage systems, which can bring higher storage capacity, reliability, security and mobility. sex. [0003] The storage distribution mechanism of files in cloud storage system design will affect the specific implementation of many systems. For example, in order to ensure the fault tolerance of the system and the high reliability of data storage, it is necessary to increase storage redundancy; in order to improve the read localization of the system, it is necessary to distribute copies of the same data on m...

Claims

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Application Information

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IPC IPC(8): H04L29/08
Inventor 郑国轴田帅陶金火杨建华吴朝晖
Owner ZHEJIANG UNIV
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