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Storage engine switching method and device, electronic equipment and medium

A storage engine and engine technology, applied in the direction of electrical digital data processing, special data processing applications, instruments, etc., can solve problems affecting data consistency, data reliability, etc., to ensure stability and consistency, and ensure consistency Effect

Pending Publication Date: 2019-12-03
BEIJING BAIDU NETCOM SCI & TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the development of tools requires a deep enough understanding of the internal structure of the engine, otherwise it is easy to affect the reliability of the data
Moreover, external tools also rely on manual or script processing, which will introduce additional unstable factors during the engine data switching process, affecting data consistency

Method used

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  • Storage engine switching method and device, electronic equipment and medium
  • Storage engine switching method and device, electronic equipment and medium
  • Storage engine switching method and device, electronic equipment and medium

Examples

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Embodiment Construction

[0085] Exemplary embodiments of the present application are described below in conjunction with the accompanying drawings, which include various details of the embodiments of the present application to facilitate understanding, and they should be regarded as exemplary only. Accordingly, those of ordinary skill in the art will recognize that various changes and modifications of the embodiments described herein can be made without departing from the scope and spirit of the application. Also, descriptions of well-known functions and constructions are omitted in the following description for clarity and conciseness.

[0086] figure 1 It is a schematic flowchart of the storage engine switching method in the embodiment of the present application. This embodiment is applicable to the situation of managing multiple storage engines, and automatically realizes data migration between different storage engines when necessary. The method is applied to the engine management layer, and the ...

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Abstract

The invention discloses a storage engine switching method and a device, electronic equipment and a medium, and relates to the technical field of data storage. The method according to the invention comprises the steps of in response to a storage engine switching request, obtaining a target storage engine type; creating a first empty engine based on the target storage engine type, setting the stateof the first empty engine to be an activated state, and the first empty engine in the activated state is used for receiving real-time new data and providing service for the outside; and migrating thedata from the current old engine to the first null engine, and reserving the latest value of the data in the migration process. According to the method, automatic switching between engines is realized; in the switching process, an empty engine is created and activated, the activated empty engine receives real-time new data, and then the latest value of the data is reserved in the migration processof the data from an old engine to the empty engine, so that the storage of the real-time new data is not influenced, the upper layer is not perceived, and the stability and consistency of the data inthe migration process are ensured.

Description

technical field [0001] The embodiments of the present application relate to the technical field of computers, in particular to the technical field of data storage, and in particular to a storage engine switching method, device, electronic device, and medium. Background technique [0002] The storage engine is the component responsible for data storage and management in the storage system. It is located between the business application and the storage device. It receives data from the business on the upper side and stores the data on the storage device on the lower side. Therefore, it needs to be designed and implemented Fully consider the characteristics of the hardware and the characteristics of the business. [0003] Storage hardware is developing rapidly and there are many types. The characteristics of each type of storage device are quite different. At the same time, different services have different requirements for the engine. Therefore, there is a need for multiple s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F16/11G06F3/06
CPCG06F3/0604G06F3/0647G06F16/119
Inventor 李勇李理田勇
Owner BEIJING BAIDU NETCOM SCI & TECH CO LTD
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