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Backup method and backup device of database

A database and master database technology, applied in the computer field, can solve the problems of increased server operation and maintenance costs, data loss or crash, and long data recovery process, to achieve high data stability and high business continuity, avoid data Accidental loss, the effect of ensuring continuous data stability

Inactive Publication Date: 2016-04-06
BEIJING QIHOO TECH CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0003] However, data loss or crash may occur in the database at any point in time. The existing master-slave database architecture database system includes a master database and multiple slave databases. When the slave database server fails, the master database needs to be All the data is retransmitted to the database for data recovery. The data recovery process takes a long time and increases the operation and maintenance cost of the server.

Method used

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  • Backup method and backup device of database
  • Backup method and backup device of database
  • Backup method and backup device of database

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Embodiment Construction

[0049] 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.

[0050] 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 backup method of a database. The backup method comprises the following steps: when a data synchronization request of a master database is received, analyzing a data operation command in the data synchronization request, executing the data operation command, recording information corresponding to the data operation command in a synchronization log, and backing up the synchronization log of a slave database into a local disk at a preset backup frequency to generate a backup log. A placing order backup mode of data in the slave database is established, the backup log of the local disk can be used for realizing quick data recovery of the slave database, data recovery efficiency is greatly improved so as to guarantee the sustained data stability of the slave database, and continuity service is provided for front-end service.

Description

technical field [0001] The present invention relates to the field of computer technology, in particular, the present invention relates to a database backup method and a backup device. Background technique [0002] With the rapid development of network applications, people's requirements for the accuracy and timeliness of information are getting higher and higher. Database system is currently the most convenient and efficient means of storing data and retrieving information. Most enterprises store information in databases. The current trend of database systems is from miniaturization to large-scale, centralized to distributed. In distributed databases, data synchronization technology can ensure that data distributed in different locations is automatically updated synchronously, thereby ensuring data consistency. [0003] However, data loss or crash may occur in the database at any point in time. The existing master-slave database architecture database system includes a maste...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F11/14
CPCG06F11/1448
Inventor 彭信东陈宗志杨挺杨艳杰
Owner BEIJING QIHOO TECH CO LTD
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