A storage method for tree-oriented data in cloud environment

A cloud environment, tree-like technology, applied in electrical digital data processing, special data processing applications, instruments, etc., can solve problems such as storage space redundancy, and achieve efficient data management performance, efficient storage and management, and efficient and fast data query. Effect

Active Publication Date: 2018-06-01
NANJING UNIV OF POSTS & TELECOMM
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  • Description
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Problems solved by technology

This storage method can easily find the parent node of a node, and can easily find all the child nodes of a node. The disadvantage is that the storage space is redundant.

Method used

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  • A storage method for tree-oriented data in cloud environment
  • A storage method for tree-oriented data in cloud environment
  • A storage method for tree-oriented data in cloud environment

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Embodiment Construction

[0046] Combine below figure 1 The present invention is further described in detail with specific embodiments.

[0047] Considering the characteristics of HBase system sparsity and traditional adjacency list notation, the present invention proposes: on the basis of traditional adjacency list notation, subtrees are merged into a character string (subTree field) and store, increase parent node field ( father field), family tree length field (preFatherNum field) and family tree field (preFather field).

[0048]Design idea: The design of the subTree field can make the storage of node information more intuitive and more convenient for program implementation. The design of the father field allows the node to directly obtain the information of the parent node, which facilitates the application of directly searching for the information of the parent node. The preFatherNum field is designed for simple validation of the family tree field. The design of the preFather field can obtain t...

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Abstract

The invention discloses a storage method for tree type data under a cloud environment. The storage method for the tree type data under the cloud environment stores the tree type data based on a traditional adjacency list method, and the bottom layer uses a distributed columnar database H Base; the storage method is suitable for effectively storing large-scale tree type data under the cloud environment. In time domain, the storage method has an effective data management performance, and the effective and fast data query, deleting, updating and the like can be realized; in space domain, compared with the traditional adjacency list method, a little of space expenses are increased, and however, the increased redundant information space expenses would be gradually reduced along with the increase of the tree type data.

Description

technical field [0001] The invention relates to a tree-type data storage method and an implementation method thereof, belonging to the field of big data storage in a cloud environment. Background technique [0002] In recent years, with the rapid development of the Internet and mobile Internet, data sources have grown rapidly, and the amount of data has also shown explosive growth. According to the statistical analysis of China Internet Network Information Center, as of December 2013, the number of Chinese netizens reached 632 million, and the number of mobile Internet users reached 527 million. The Internet has rapidly expanded to all aspects of life, such as mobile Internet, social networking, and e-commerce. With the development of the Internet, Internet companies such as Google, Alibaba, and Tencent generate a large amount of data every day, making the data scale rapidly reach the PB level. How to effectively store and manage massive data has become a new research hotsp...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F17/30
Inventor 张登银任春韶杨建东冒玮
Owner NANJING UNIV OF POSTS & TELECOMM
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