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Method and device for managing meta-information of database cluster

A management method and meta-information technology, applied in the field of meta-information management devices, can solve the problems of consuming large system memory resources and physical resources, affecting data processing efficiency, and high resource consumption costs, so as to achieve low resource consumption costs and save a lot of resources , the effect of improving efficiency

Inactive Publication Date: 2016-03-09
BEIJING QIHOO TECH CO LTD +1
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the existing database cluster, the metadata stored in the cluster is managed by creating a corresponding independent process. This process will perform a series of operations such as acquiring, receiving, and updating the metadata. Since the system maintains the resources of the independent process The consumption cost is high. In the case of long-term management of massive metadata, the process will consume a large amount of system memory resources and physical resources, which will not only affect the data processing efficiency, but also increase the operating cost of maintaining the process and reduce user to experience

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  • Method and device for managing meta-information of database cluster
  • Method and device for managing meta-information of database cluster
  • Method and device for managing meta-information of database cluster

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Embodiment Construction

[0044] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0045] Those skilled in the art will understand that unless otherwise stated, the singular forms "a", "an", "said" and "the" used herein may also include plural forms. It should be further understood that the word "comprising" used in the description of the present invention refers to the presence of said features, integers, steps, operations, elements and / or components, but does not exclude the presence or addition of one or more other features, Integers, steps, operations, elements, components, and / or groups thereof. It will be unders...

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Abstract

The invention provides a method and a device for managing meta-information of a database cluster. The method comprises the following steps of: when a meta-information acquisition request is detected, establishing a meta-information management thread, accessing a shared memory space of the database cluster through the meta-information management thread, and acquiring the meta-information which is matched with the meta-information acquisition request, wherein the meta-information of each data node in the database cluster is stored in the shared memory space. According to the technical scheme of the invention, a great amount of resources of a system can be saved through a mode of managing the meta-information by a thread; and in addition, when the meta-information in each data node is updated, the matched meta-information in the shared memory space can be timely and correspondingly updated, and the consistency of the meta-information is ensured.

Description

technical field [0001] The present invention relates to the technical field of databases. Specifically, the present invention relates to a method for managing meta-information of a database cluster, and a device for managing meta-information of a database cluster. Background technique [0002] With the development of the times, the development of science and technology, the circulation of information, the communication between people is getting closer and closer, and life is becoming more and more convenient. However, the communication and exchange of information through high-tech products cannot be separated from data. Data has penetrated into every industry and business function area today and has become an important factor of production. The mining and application of massive data inevitably involves the storage of massive data, which can be stored in the form of metadata. Metadata, also known as meta information, intermediary data, and relay data, is mainly information d...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/30
CPCG06F16/21G06F16/23
Inventor 陈宗志
Owner BEIJING QIHOO TECH CO LTD
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