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Associative query method and device for data files

A technology of data files and correlation query, applied in the field of data processing, can solve the problems of time-consuming collection and low efficiency of correlation query, and achieve the effect of improving the efficiency of correlation query and reducing the time required.

Active Publication Date: 2018-05-11
BEIJING GRIDSUM TECH CO LTD
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  • Abstract
  • Description
  • Claims
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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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  • Associative query method and device for data files
  • Associative query method and device for data files
  • Associative 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. Although 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 for more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.

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

[0025] The embodiment of the present invention provides a kind of association query method of data file, such as figure 1 As shown, the method includes:

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

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Abstract

The invention discloses an associative query method and device for data files, relates to the technical field of data processing, and aims at solving the problem that existing associative query of data files is low in efficiency. The method comprises the following steps of: determining a data file with the minimum data size in data files to be associatively queried, wherein the data files to be associatively queried are distributed in each node of a distributed file system; searching data in the data file with the minimum data size from each node; broadcasting the searched data in the data file with the minimum data size to each node; and carrying out associative query on the data files to be associatively queried according to the data in each node. The method and device are mainly sued for associatively querying data files.

Description

technical field [0001] The present invention relates to the technical field of data processing, 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 distributed on different nodes of the network system. When the staff performs data query, sometimes in order to obtain more complete results, they need to perform data query from two or more data files to obtain query results. When doing big data development, the data files are not stored on one node. However, 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 method of realizing the associated query of data files is to collect all the data of the data files to be queried by querying a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/30
CPCG06F16/148G06F16/182
Inventor 王昌坤
Owner BEIJING GRIDSUM TECH CO LTD
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