Method for reading caching data under mobile cloud storage environment

A storage environment and data cache technology, applied in the field of cloud storage, can solve problems such as wasting user network bandwidth, and achieve the effects of reduced response time, high precision, and high hit rate

Active Publication Date: 2017-05-17
HUAZHONG UNIV OF SCI & TECH
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0004] In view of the above defects or improvement needs of the prior art, the present invention provides a method for prefetching cached data in a mobile cloud storage environment. Technical issues that will not be accessed in a short period of time, which will waste the user's network bandwidth

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  • Method for reading caching data under mobile cloud storage environment
  • Method for reading caching data under mobile cloud storage environment
  • Method for reading caching data under mobile cloud storage environment

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Embodiment Construction

[0042] 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. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not constitute a conflict with each other.

[0043]For mobile devices, due to their small screens, there are certain limitations in data presentation. The most commonly used data presentation method is presented to the user in the form of a menu list, and each item in the menu list represents a file of the user. , when the user selects an item in the menu list, this operation indicates a request to browse the file. When browsing the file, ...

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Abstract

The invention discloses a method for reading caching data under a mobile cloud storage environment. When users use mobile phones to access data, they usually have the feature of sequential sliding screens for switching so that users have the accessing feature based on list sequence when they access file data; therefore, the validity of data prefetching can be increased by means of the data prefetching strategy based on the list sequence so as to increase the caching efficiency. According to the data prefetching strategy based on list sequence, firstly, the historical access records of each file by a user are required to be recorded; therefore, a problem of cold start is provided in initial usage; at the beginning, an initial prefetching length of 1 is used for prefetching; then the prefetching length is determined according to whether or not the prefetched file is accessed and prefetching is carried out; after the historical access records are obtained, whether or not to prefetch subsequent files is determined through calculating the probability that the subsequent files based on the list are accessed after the current file is accessed. By means of the method, large waiting time delay decrease can be exchanged by means of small flow.

Description

technical field [0001] The invention belongs to the field of cloud storage, and more specifically relates to a method for prefetching cached data in a mobile cloud storage environment. Background technique [0002] With the development of mobile Internet, terminal applications have shown explosive growth, and mobile terminals have gradually become a new application platform. Users have higher and higher requirements for storage space of mobile terminals and online sharing of terminal resources. Driven by demand, using cloud storage services through terminal devices has gradually become a trend. However, compared with the wired broadband Internet, the mobile Internet has the characteristics of high delay, low speed and instability. The experience of using cloud storage services in the mobile Internet environment is far from that in the high-speed wired broadband Internet environment. Therefore, you can Use caching technology to improve the performance of using cloud storage ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/30
CPCG06F16/9574
Inventor 周可王桦廖正霜范瑞
Owner HUAZHONG UNIV OF SCI & TECH
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