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Data query method and device

A technology of data query and query method, which is applied in the computer field and can solve the problems of low efficiency of data query

Pending Publication Date: 2020-06-16
JINGDONG TECH HLDG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] This application provides a data query method and device to at least

Method used

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Embodiment Construction

[0047] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiment of the application will be clearly and completely described below in conjunction with the accompanying drawings in the embodiment of the application. Obviously, the described embodiment is only It is an embodiment of a part of the application, but not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the scope of protection of this application.

[0048] It should be noted that the terms "first" and "second" in the description and claims of the present application and the above drawings are used to distinguish similar objects, but not necessarily used to describe a specific sequence or sequence. It is to be understood that the data so used are interchangeable under appropriate circumstances such...

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Abstract

The invention relates to a data query method and device, and the method comprises the steps: receiving a data query request which is used for requesting to query target data in a storage system; inquiring target data from a memory module of a storage system, wherein the storage system comprises a memory module, a cache module and a database module, the cache module is used for caching data storedin the database module, and the memory module is used for storing data with preset data characteristics in the data cached by the cache module; and under the condition that the target data is queriedfrom the memory module of the storage system, sending the target data stored in the memory module. The data query method and device solve the technical problem that in the related art, data query efficiency is low.

Description

technical field [0001] The present application relates to the computer field, in particular to a data query method and device. Background technique [0002] The commodity system of e-commerce provides a query service interface, and the single cache used by it has certain defects. [0003] The current processing method is to save the full amount of data in the database in the local memory of the machine. All query services are queried in the local memory of the machine. mistake. [0004] In the process of implementing the present invention, the inventor found that the defect of this solution is that the memory usage rate is very high, especially as time goes by, the data gradually increases, which will lead to the need to continuously increase the memory to meet the requirements. Every data query needs to be operated on the full amount of data. As the amount of data increases, the efficiency of data query will become lower and lower. [0005] For the above problems, no eff...

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Application Information

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IPC IPC(8): G06F16/2453G06F16/2455
CPCG06F16/24539G06F16/24552
Inventor 吴武桓孙国建杨艳艳
Owner JINGDONG TECH HLDG CO LTD
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