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Self-adaptation control method for cost-driven copies

An adaptive control and copy technology, applied in the field of cloud storage, can solve problems such as resource jitter and difficulty in setting access heat thresholds, so as to save storage space and ensure file reliability

Inactive Publication Date: 2018-06-29
GUANGDONG POLYTECHNIC NORMAL UNIV
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  • Claims
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Problems solved by technology

The disadvantage of this threshold-based dynamic copy number control strategy is that there may be resource jitter problems, and due to dynamic changes in the system environment, it is difficult to set an appropriate access heat threshold

Method used

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  • Self-adaptation control method for cost-driven copies

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Embodiment Construction

[0021] 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. 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.

[0022] see figure 1 , is a schematic flowchart of an embodiment of an adaptive control method for cost-driven replicas provided by the present invention, the method steps 101 to 104, each step is specifically as follows:

[0023] Step 101: Obtain the number of visits and the number of copies of each file stored in all data servers, and sort the files according to the visits to obtain a ranking list of visits.

[0024] In this embodiment, the data server of the clo...

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Abstract

The invention discloses a self-adaptation control method for cost-driven copies. The method comprises the steps of obtaining the access number and the copy number of files stored in all data servers,according to the access number, ranking the files, obtaining an access amount ranking list, and determining a hot file set and an unpopular file set; if the copy number of first files in the hot fileset is not larger than an ideal threshold value, executing a copy generation strategy for the first files; executing a copy reduction strategy on all files in the unpopular file set. By adopting the method, the copy files can be dynamically and self-adaptively adjusted, and the system storage space can be saved while the file reliability is ensured.

Description

technical field [0001] The invention relates to the technical field of cloud storage, in particular to an adaptive control method for cost-driven copies. Background technique [0002] Cloud storage is a new concept extended and developed on the concept of cloud computing. It is an emerging network storage technology. A large number of different types of storage devices work together through application software to jointly provide data storage and business access systems. [0003] In the cloud storage system, different data files have different access volumes. The higher the access volume of a file, the greater the popularity of the file, and the higher the urgency to ensure its reliability. For data files with high access popularity, the method of adding copies can be used to improve its reliability. In a general dynamic copy number control strategy, if the access volume of a file reaches a set threshold within a statistical period, then a copy is created for the file. Th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F3/06H04L29/08
CPCG06F3/0608G06F3/061G06F3/0643G06F3/067H04L67/1097
Inventor 魏文国谢桂园戴青云蔡君赵慧民
Owner GUANGDONG POLYTECHNIC NORMAL UNIV
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