Data processing method, device and system, electronic equipment and computer storage medium

A data processing and equipment technology, applied in the computer field, can solve the problems of lack of database instance processing flexibility, database instance id cannot be replaced, etc.

Pending Publication Date: 2020-06-16
ALIBABA GRP HLDG LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, on the one hand, for the sender, it is necessary to record a large number of database instance ids and comparison logic; on the other hand, the sender needs to record the information of each database instance, resulting in the aggregation of a large amount of data traffic; on the other hand, The database instance id cannot be changed
[0006] In short, the data synchronization method of the existing remote multi-active system will lead to a large amount of invalid data and invalid traffic for database services or storage services between different geographical locations (for example, between A and B), and there is a lack of database instances Processing flexibility

Method used

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  • Data processing method, device and system, electronic equipment and computer storage medium
  • Data processing method, device and system, electronic equipment and computer storage medium
  • Data processing method, device and system, electronic equipment and computer storage medium

Examples

Experimental program
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Example Embodiment

[0039] Example one

[0040] Reference Figure 1A , Shows a flow chart of the steps of a data processing method according to the first embodiment of the present invention.

[0041] The data processing method of this embodiment takes a remote multi-active system as an example to describe the data processing method of the embodiment of the present invention from the perspective of the receiving end of data synchronization.

[0042] The data processing method of this embodiment includes the following steps:

[0043] Step S102: The receiving end device to be synchronized receives the database log sent by the sending end device.

[0044] Wherein, the database log carries status information for indicating the status of the database log.

[0045] In the embodiment of the present invention, the status information of the status of the database log is used to indicate the data status and / or operation status of the database log, for example, indicating whether the database log is the status informatio

Example Embodiment

[0055] Example two

[0056] Reference Figure 2A , Shows a flowchart of the steps of a data processing method according to the second embodiment of the present invention.

[0057] The data processing method of this embodiment still takes a remote multi-active system as an example, and the data processing method of the embodiment of the present invention will be described from the perspective of the receiving end of data synchronization.

[0058] The data processing method of this embodiment includes the following steps:

[0059] Step S202: The receiving end device to be synchronized receives the database log sent by the sending end device.

[0060] Wherein, the database log carries status information for indicating the status of the database log. In this embodiment, the status of the database log includes at least one of the following: used to indicate that the database log is the first state of all log data at a certain time; used to indicate that the database log is the first state of l

Example Embodiment

[0097] Example three

[0098] Reference Figure 3A , Shows a flowchart of the steps of a data processing method according to the third embodiment of the present invention.

[0099] The data processing method of this embodiment takes a remote multi-active system as an example, and describes the data processing method of the embodiment of the present invention from the perspective of a data synchronization sending end.

[0100] The data processing method of this embodiment includes the following steps:

[0101] Step S302: According to the data synchronization instruction, the sending end device that is to perform data synchronization obtains a database log that carries status information for indicating the status of the database log.

[0102] As mentioned above, the status information of the status of the database log is used to indicate the data status and / or operation status of the database log, for example, indicating whether the database log is the status information of the full log at

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Abstract

The embodiment of the invention provides a data processing method, device and system, electronic equipment and a computer storage medium. The data processing method comprises the steps that receivingend equipment to be subjected to data synchronization receives a database log sent by sending end equipment, wherein the database log carries state information used for indicating the state of the database log; the receiving end equipment acquires the state information in the database log, and carries out disk falling operation on the database log and modifies the state information of the databaselog into state information of a preset state so as to determine that the database log with the modified state information is not sent back to the sending end equipment according to the state information of the preset state. According to the embodiment of the invention, the problem of data loopback caused by bidirectional data synchronization at different positions by using a system for providingservices for multiple activities in different places is avoided, and the generation of invalid traffic is avoided.

Description

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Claims

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Application Information

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Owner ALIBABA GRP HLDG LTD
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