Space data clustered storage system and data searching method

A technology of spatial data and cluster storage, applied in the field of communication, can solve the problems of expensive parallel database, cannot be promoted, complex structure, etc., and achieve the effect of improving the process of extracting data, low cost, and high performance

Inactive Publication Date: 2007-09-19
WUHAN UNIV
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Problems solved by technology

The current solution is to provide high performance and scalability through parallel databases, but parallel databases are expensive, complex in structure, and difficult to manage. Although parallel databases have a history of more than 20 years, they still cannot be promoted. Existing communication Effective alternatives have not yet emerged in the technical field

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  • Space data clustered storage system and data searching method
  • Space data clustered storage system and data searching method
  • Space data clustered storage system and data searching method

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Embodiment Construction

[0019] Referring to accompanying drawing 1, the spatial data cluster storage system provided by the present invention includes the following components: a spatial application client 1 for providing interface services for the spatial application access system; a spatial object manager 2 for compiling and analyzing spatial Query statements (generally use spatial SQL statements), decompose query tasks and manage spatial object storage device clusters; spatial object storage device clusters 3 are used for storage of massive spatial data at or above TB level, providing parallel data transmission and parallel Query processing capabilities. The spatial object storage device cluster 3 is composed of multiple spatial object storage devices (sosd1, sosd2...sosdn), and the spatial object storage device is used to realize storage with database awareness, provide granular access to spatial data objects, and provide spatial query processing and indexing capabilities. Network connections ar...

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Abstract

The invention belongs to the communication technology field in particular it relates to a spatial data cluster storage system and data query method thereof. The provided spatial data cluster storage system comprises a space utilization user terminal for providing the interface service to the space application access system, a space object manager for translating, editing and analyzing the space query statement, decomposing the query task, and managing the space object storage equipment cluster, a space object storage equipment cluster having a plurality of space object storage equipments for storing mass space data with TB or TB above grade storage capacity and supplying parallel data transmission and query processing capacity, wherein the space object storage equipment is responsible for realizing a storage having a database concept, supplying the space data object granularity access and space query and index capacity. The invention provides a space data storage and management scheme with low-cost, high-performance, strong-usability and high-expandability.

Description

technical field [0001] The invention belongs to the technical field of communication, and in particular relates to a spatial data cluster storage system and a data query method thereof. Background technique [0002] Reasonable use and management of spatial data can improve productivity, which has become the consensus of scientists, managers and business experts. Compared with other forms of data, they have complex structures and complex relationships, which makes people more and more aware of the particularity and importance of spatial data storage and management. In recent years, with the development of concepts and system prototypes such as digital earth and digital city, new development trends have emerged in the storage and management of spatial data. For example, taking the construction of a digital earth system as an example, 1-meter-resolution images cover Guangdong Province, with about 1TB of data, and Guangdong is only 1 / 53 of China's. If China's digital earth is t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/30
Inventor 喻占武郑胜李忠民潘少明李锐胡滨
Owner WUHAN UNIV
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