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Placing method of hot data copy in cloud storage system

A cloud storage system, hot data technology, applied in transmission systems, electrical components, etc., to achieve the effect of improving storage space utilization, improving access performance, and reducing communication costs

Active Publication Date: 2017-10-27
NANJING UNIV OF POSTS & TELECOMM
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Problems solved by technology

Due to the ever-changing practical application scenarios, few strategies can perform perfectly in all situations

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  • Placing method of hot data copy in cloud storage system

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Embodiment Construction

[0022] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0023] In the cloud storage system, in order to improve the overall read and write performance and reliability of the system, it is necessary to make copies of the same file in different physical locations. The copy placement strategy determines which data copies are copied to which specific storage nodes. If the data in the cloud storage system are all files, some files have high requirements for consistency, increasing the number of copies will bring additional synchronization work, but there are also many files that will not be modified repeatedly for a long time. Such as multimedia files, compressed files, etc., increasing the number of copies of such files will not bring too much additional communication costs. On the other hand, some hot data will be accessed a lot in a short period of time. Properly increasing th...

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Abstract

The invention relates to a placing method of a hot data copy in a cloud storage system. The placing method of the hot data copy in the cloud storage system comprises the following steps: classifying the files through the reading and writing numbers; and selecting appropriate files with higher hot to increase the number of copies to balance the load of the storage nodes. By means of the placing method of the hot data copy in the cloud storage system, the communication cost of the internal system is reduced, and the overall performance of the cloud storage system is improved. The principle of the placing method of the hot data copy in the cloud storage system is making a record according to the access condition in a recording period, and adding additional temporary copies according to the appropriate hot files selected from the records. The placing method of the hot data copy in the cloud storage system disclosed by the invention can effectively control the consumption caused by the sharp rise of the hot of part files when the extra cost is avoided as much as possible.

Description

technical field [0001] The invention relates to a method for placing hotspot data copies in a cloud storage system, and belongs to the technical field of cloud storage copies. Background technique [0002] Nowadays, computer technology and Internet technology have penetrated into all aspects of people's production and life. At the same time, the ever-increasing degree of informatization and digitization of life has brought about a rapidly expanding amount of data. The concept of cloud computing is to provide and obtain virtualized computer resources for a fee through the Internet. The continuous maturity of cloud computing technology has reduced the cost of processing and saving large amounts of data. [0003] Cloud storage allows users to save huge amounts of data in the cloud, and perform operations such as reading, writing or sharing through the network. Cloud storage service providers use and manage a large number of different locations and different types of physical ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/08
CPCH04L67/1008H04L67/1029H04L67/1095H04L67/1097H04L67/5682
Inventor 付雄郝一鸣邓松王俊昌程春玲
Owner NANJING UNIV OF POSTS & TELECOMM
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