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Correlation query method and device for data files

A technology of data files and associated query, applied in the field of data processing, can solve the problems of low efficiency of associated query and time-consuming collection, so as to improve the efficiency of associated query and reduce the time required.

Active Publication Date: 2022-07-29
BEIJING GRIDSUM TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when the data file to be queried is too large, it will take a lot of time to collect the data of each node, so the associated query efficiency of the existing data files is low

Method used

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  • Correlation query method and device for data files
  • Correlation query method and device for data files
  • Correlation query method and device for data files

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Embodiment Construction

[0023] Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that the present disclosure will be more thoroughly understood, and will fully convey the scope of the present disclosure to those skilled in the art.

[0024] In order to make the advantages of the technical solutions of the present invention clearer, the present invention will be described in detail below with reference to the accompanying drawings and embodiments.

[0025] The embodiment of the present invention provides a method for associated query of data files, such as figure 1 As shown, the method includes:

[0026] 101. Determine the data file with the smallest am...

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Abstract

The invention discloses a method and device for associated query of data files, relates to the technical field of data processing, and is used to solve the problem of low efficiency of associated query of existing data files. The data file with the smallest amount of data in the data file; the data file to be associated and queried is distributed in each node of the distributed file system; the data in the data file with the smallest amount of data is searched from the various nodes; The data in the data file with the smallest amount of data is broadcast to the respective nodes; the associated query is performed on the to-be-associated query data file according to the data in each node. The present invention is mainly used for associating query data files.

Description

technical field [0001] The invention relates to the technical field of data processing, and in particular, to a method and device for associated query of data files. Background technique [0002] As the system data becomes larger and larger, the distributed file system emerges as the times require. The distributed file system is composed of a set of data, and this set of data is distributed on different nodes of the network system. When staff conduct data query, sometimes in order to obtain more complete results, they need to query data from two or more data files to obtain query results. When doing big data development, data files are not stored on one node. It is distributed on many nodes, so when doing data query, it is necessary to collect data files distributed on each node, and then query the collected data files. [0003] At present, the way to realize the association query of data files is to query all nodes, collect all the data of the data files to be queried, and...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F16/14G06F16/182
CPCG06F16/148G06F16/182
Inventor 王昌坤
Owner BEIJING GRIDSUM TECH CO LTD
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