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Data query method and device

A data query and data object technology, applied in the field of data processing, can solve problems such as memory overflow, and achieve the effect of preventing memory overflow, reducing memory usage, and reducing CPU computing resources

Active Publication Date: 2018-12-07
阿里巴巴(上海)网络技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

So it is very likely that memory overflow will be caused when paging query, or the probability of memory overflow will be greatly increased when merging

Method used

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  • Data query method and device

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Embodiment Construction

[0018] The main idea of ​​this application is that, instead of merging the data objects involved in the data query request into one memory object in the memory space and returning them directly to the user, these data objects are exported to the local or In the specific file of the remote file server, and return the access path of the specific file to the user. This can greatly reduce memory usage and prevent memory overflow. In addition, since each data object does not need to be structured as a memory object, CPU computing resources are reduced and network bandwidth is saved.

[0019] In order to make the purpose, technical solution and advantages of the present application clearer, the technical solution of the present application will be clearly and completely described below in conjunction with specific embodiments of the present application and corresponding drawings. Apparently, the described embodiments are only some of the embodiments of the present application, rath...

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Abstract

The invention relates to a data inquiry method and a data inquiry device. The data inquiry method is characterized by comprising the steps: receiving a data inquiry request of a user; acquiring one or multiple data objects involved in the data inquiry request from one or multiple storage regions according to the data inquiry request; leading out the acquired data objects into a specific file; returning an access path of the specific file to the user, so that the user can access the data objects in the specific file according to the access path. Therefore computing resources in subsequent inquiry can be greatly saved, and unnecessary waste of inquiry resources and time is avoided; furthermore, memory overflow in a subsequent inquiry process can be prevented, and the data inquiry speed can be increased.

Description

technical field [0001] This application relates to the field of data processing, in particular to a data query method and device in big data processing. Background technique [0002] With the advent of the big data era, big data processing has attracted more and more attention. In the processing of big data, we are faced with a huge challenge of how to query related data in the big data mart. [0003] In one prior art, the SOLR search engine server is used to provide queries on big data for subsequent data processing such as statistical analysis. [0004] SOLR is an independent enterprise-level search application server that provides an API (Application Programming Interface, Application Programming Interface) interface similar to Web services. SOLR is based on the Lucene index structure. Lucene is an open source full-text search engine toolkit, that is, it is not a complete full-text search engine, but a full-text search engine architecture that provides a complete query ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F17/30
CPCG06F16/90335G06F16/951
Inventor 熊水林
Owner 阿里巴巴(上海)网络技术有限公司
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