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A storage management method and storage management system for massive spatial information data

A technology of data storage and spatial information, which is applied in the field of research on the storage relationship of massive spatial data, and can solve problems such as inability to store and manage spatial information data

Active Publication Date: 2021-04-20
哈尔滨航天恒星数据系统科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem is that existing storage management methods cannot effectively store and manage spatial information data with the characteristics of massive, multi-source, and heterogeneous;

Method used

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  • A storage management method and storage management system for massive spatial information data
  • A storage management method and storage management system for massive spatial information data
  • A storage management method and storage management system for massive spatial information data

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Embodiment 1

[0040] figure 1 It is a flow chart of a method for storing and managing massive spatial information data in the present invention, refer to figure 1 , the invention discloses a method for storing and managing massive spatial information data, comprising the steps of:

[0041] S1: Establish a distributed file system in master-slave mode, located in the storage management node that manages the entire life cycle of spatial information data under the distributed file system;

[0042] S2: Create a distributed, horizontally and smoothly scalable storage cluster formed by several data storage nodes that stores file data in a distributed manner with file blocks as the basic unit under the command control of the storage management node;

[0043] S3: The data storage node adopts a distributed storage strategy, which is implemented based on the hash modulo algorithm.

[0044] Beneficial effects of the present invention: By adopting the above technical scheme, the present invention can ...

Embodiment 2

[0079] figure 2 It is a schematic diagram of the massive spatial information data storage management system of the present invention. Referring to FIG. 2, it can be known that the present invention also provides a massive spatial information data storage management system as disclosed in the present invention, including:

[0080] Distributed file system 1, established in master-slave mode;

[0081] The storage management node 10 is located under the distributed file system to manage the entire life cycle of the spatial information data, and stores the file system metadata of the distributed file system;

[0082] The storage cluster 20, under the control of the storage management node, stores the file data in a distributed manner with the file block as the basic unit, is formed by several data storage nodes, and can be horizontally and smoothly expanded;

[0083] An external client coupled to a storage management node.

[0084] Beneficial effects of the present invention: By...

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Abstract

The invention discloses a method for storing and managing massive spatial information data, comprising the steps of: establishing a distributed file system in a master-slave mode, and a storage management node located under the distributed file system for managing the entire life cycle of spatial information data; Under the command control of the management node, the file data is stored in a distributed manner with the file block as the basic unit. It is a distributed storage cluster formed by several data storage nodes and can be horizontally and smoothly expanded. The data storage nodes adopt a distributed storage strategy. The storage strategy is implemented based on the hash modulo algorithm. The invention solves the problem that the existing storage management method cannot effectively store and manage the spatial information data with the characteristics of massive, multi-source, heterogeneous and the like.

Description

technical field [0001] The invention relates to the field of research on storage relationships of massive spatial data, in particular to a storage management method and a storage management system for massive spatial information data. Background technique [0002] Nowadays, the development of satellite technology in China is in full swing, but some areas lack integration of satellite application data information, and there is a serious shortage of overall planning and information fusion. Among them, there are many problems in the storage and management of spatial information data. It tends to be multi-source (space-based, aviation, near space, etc.), and has a huge amount of data. The multi-source of data leads to a huge amount of data, and tens of millions of file data need to be stored; the high-resolution feature makes a single High-scoring spatial information data files (single data) can reach several GB or even tens of GB. It is an inevitable trend to build a storage ma...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F16/182G06F16/13G06F16/18
CPCG06F16/13G06F16/1815G06F16/182
Inventor 王景光邹同元褚鹏飞沈洋侯伟刘宗玥
Owner 哈尔滨航天恒星数据系统科技有限公司
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