CN110334077A - The method and device of database cross computer room migration - Google Patents
The method and device of database cross computer room migration Download PDFInfo
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- CN110334077A CN110334077A CN201910503235.5A CN201910503235A CN110334077A CN 110334077 A CN110334077 A CN 110334077A CN 201910503235 A CN201910503235 A CN 201910503235A CN 110334077 A CN110334077 A CN 110334077A
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- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/21—Design, administration or maintenance of databases
- G06F16/214—Database migration support
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- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
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Abstract
The disclosure is directed to the method and devices of database cross computer room migration.This method comprises: when receive by be stored in the Data Migration of first database server cluster in the first computer room to the second computer room instruction and in advance created in the second computer room the second database server cluster and complete data it is synchronous when, current database server set group address is revised as to the address of the second database server cluster from the address of first database server cluster；Configuration modification message is sent to target application, includes the address of the second database server cluster in the second computer room in configuration modification message, is used to indicate the address that address data memory is revised as the second database server cluster by target application.The disclosure can save migration switching time, improve switching efficiency, and in transition process network jitter on data safety without influence, improve the safety and reliability of migration.
Description
Technical field
This disclosure relates to technical field of intelligent equipment more particularly to the method and device of database cross computer room migration.
Background technique
Web application system, usually all can be in web application system and database in order to solve high concurrent bring performance issue
Between take cache layer, the most widely used is exactly Redis, and Redis is substantially the internal storage data of a key-value type
Library.Redis can be used as the buffering between software and traditional database due to its high-performance and shirtsleeve operation order completely
Effect, in the case where ensure that data validity, while also ensuring high-performance.
In the related technology, usually using the primary master-slave swap of RedisCluster mode come realize RedisCluster across
Computer room migration, i.e., first create RedisCluster from example, one by one to example when carrying out across computer room migration in new room one by one
It carries out master-slave swap and completes migration.
Summary of the invention
To overcome the problems in correlation technique, the embodiment of the present disclosure provides a kind of method of database cross computer room migration
And device.The technical solution is as follows:
According to the first aspect of the embodiments of the present disclosure, a kind of method of database cross computer room migration is provided, comprising:
The Data Migration of first database server cluster in the first computer room will be stored in the second computer room when receiving
It, will be current when indicating and having created the second database server cluster in second computer room in advance and completed data synchronization
Second database service is revised as from the address of the first database server cluster in database server cluster address
The address of device cluster；
Configuration modification message is sent to target application, includes the second number in second computer room in the configuration modification message
According to the address of library server cluster, the target application is used to indicate by address data memory and is revised as the second database clothes
The address of business device cluster.
The technical scheme provided by this disclosed embodiment can include the following benefits: the technical solution passes through in computer room
Creation is synchronous with configuring identical database server cluster in current computer room and completing data in new room before migration, into
Current database server set group address need to be only revised as by row computer room when migrating from the address of first database server cluster
The address of second database server cluster, the database server cluster that instruction application access newly configures, to complete across machine
Room migration, greatly save migration switching time, improve switching efficiency, also, in transition process network jitter to data safety
Without influence, the safety and reliability of migration is improved.
In one embodiment, the data for being stored in first database server cluster in the first computer room are moved receiving
It moves to before the instruction of the second computer room, the method also includes:
Obtain the data and configuration information of first database server cluster in first computer room；
Second database server cluster is created in second computer room according to the configuration information；Wherein, institute
It is identical as the configuration of the first database server cluster to state the second database server cluster；
The data full dose of the first database server cluster is synchronized to second database server cluster.
In one embodiment, the method also includes:
The data real-time incremental of the first database server cluster is synchronized to the second database server collection
Group.
According to the second aspect of an embodiment of the present disclosure, a kind of device of database cross computer room migration is provided, comprising:
Modified module will be stored in the Data Migration of first database server cluster in the first computer room for working as to receive
To the second computer room instruction and the second database server cluster has been created in second computer room in advance and to complete data same
When step, current database server set group address is revised as described second from the address of the first database server cluster
The address of database server cluster；
Sending module includes described for sending configuration modification message to target application, in the configuration modification message
The address of second database server cluster in two computer rooms is used to indicate the target application for address data memory and is revised as institute
State the address of the second database server cluster.
In one embodiment, described device further include:
Module is obtained, for obtaining the data and configuration information of first database server cluster in first computer room；
Creation module, for creating second database server in second computer room according to the configuration information
Cluster；Wherein, second database server cluster is identical as the configuration of the first database server cluster；
Full dose synchronization module, for the data full dose of the first database server cluster to be synchronized to second number
According to library server cluster.
In one embodiment, described device further include:
Increment synchronization module, for the data real-time incremental of the first database server cluster to be synchronized to described
Two database server clusters.
According to the third aspect of an embodiment of the present disclosure, a kind of device of database cross computer room migration is provided, comprising:
Processor；
Memory for storage processor executable instruction；
Wherein, the processor is configured to:
The Data Migration of first database server cluster in the first computer room will be stored in the second computer room when receiving
It, will be current when indicating and having created the second database server cluster in second computer room in advance and completed data synchronization
Second database service is revised as from the address of the first database server cluster in database server cluster address
The address of device cluster；
Configuration modification message is sent to target application, includes the second number in second computer room in the configuration modification message
According to the address of library server cluster, the target application is used to indicate by address data memory and is revised as the second database clothes
The address of business device cluster.
According to a fourth aspect of embodiments of the present disclosure, a kind of computer readable storage medium is provided, calculating is stored thereon with
The step of machine instruction, which realizes above-mentioned first aspect the method when being executed by processor.
It should be understood that above general description and following detailed description be only it is exemplary and explanatory, not
The disclosure can be limited.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the disclosure
Example, and together with specification for explaining the principles of this disclosure.
Fig. 1 is the flow chart of the method for database cross computer room migration shown according to an exemplary embodiment.
Fig. 2 is the flow chart of the method for database cross computer room migration shown according to an exemplary embodiment.
Fig. 3 is the block diagram of the device of database cross computer room migration shown according to an exemplary embodiment.
Fig. 4 is the block diagram of the device of database cross computer room migration shown according to an exemplary embodiment.
Fig. 5 is the block diagram of the device of database cross computer room migration shown according to an exemplary embodiment.
Fig. 6 is the block diagram of the device of database cross computer room migration shown according to an exemplary embodiment.
Fig. 7 is the block diagram of the device of database cross computer room migration shown according to an exemplary embodiment.
Fig. 8 is the block diagram of the device of database cross computer room migration shown according to an exemplary embodiment.
Specific embodiment
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent all implementations consistent with this disclosure.On the contrary, they be only with it is such as appended
The example of the consistent device and method of some aspects be described in detail in claims, the disclosure.
In the related technology, usually using the primary master-slave swap of RedisCluster mode come realize RedisCluster across
Computer room migration, i.e., first create RedisCluster from example, one by one to example when carrying out across computer room migration in new room one by one
It carries out master-slave swap and completes migration.However, limitation of the relevant technologies due to the primary master-slave swap of RedisCluster,
For RedisCluster after carrying out master-slave swap, new slave example can be again from master instance full dose synchrodata, in cluster scale
In biggish situation, entire handoff procedure is very time-consuming, and switching efficiency is lower, meanwhile, if going out between computer room in handoff procedure
Existing network jitter may cause entire cluster fissure, lead to data entanglement, safety and reliability is poor.
To solve the above-mentioned problems, the embodiment of the present disclosure provides a kind of method of database cross computer room migration, this method
It include: to work as to receive that the Data Migration of first database server cluster in the first computer room will be stored in the finger of the second computer room
When showing and having created the second database server cluster in the second computer room in advance and completed data synchronization, by current database
The address of the second database server cluster is revised as from the address of first database server cluster in server set group address；To
Target application sends configuration modification message, includes the ground of the second database server cluster in the second computer room in configuration modification message
Location is used to indicate the address that address data memory is revised as the second database server cluster by target application.The disclosure is implemented
The method for the database cross computer room migration that example provides, by being pre-created and phase in current computer room in new room before computer room migration
With the database server cluster configured and data synchronization is completed, it only need to be by current database server when carrying out computer room migration
Cluster address is revised as the address of the second database server cluster, instruction application from the address of first database server cluster
The database server cluster newly configured is accessed, to complete across computer room migration, greatlys save the time of migration switching, raising is cut
Change efficiency, also, in transition process network jitter on data safety without influence, improve the safety and reliability of migration.
Based on above-mentioned analysis, following specific embodiment is proposed.
Fig. 1 is a kind of flow chart of the method for database cross computer room migration shown according to an exemplary embodiment, the party
The executing subject of method can be server；As shown in Figure 1, this approach includes the following steps 101-102:
In a step 101, the Data Migration of first database server cluster in the first computer room will be stored in when receiving
To the second computer room instruction and the second database server cluster has been created in the second computer room in advance and to complete data synchronous
When, the second database service is revised as from the address of first database server cluster in current database server set group address
The address of device cluster.
In a step 102, configuration modification message is sent to target application, includes the in the second computer room in configuration modification message
The address of two database server clusters is used to indicate target application for address data memory and is revised as the second database server
The address of cluster.
The embodiment of the present disclosure provide technical solution, by computer room migration before in new room creation with current computer room in
It configures identical database server cluster and completes data and synchronize, current database need to only be serviced when carrying out computer room migration
Device cluster address is revised as the address of the second database server cluster from the address of first database server cluster, and instruction is answered
The database server cluster newly configured with access greatlys save the time of migration switching to complete across computer room migration, improves
Switching efficiency, also, in transition process network jitter on data safety without influence, improve the safety and reliability of migration.
Fig. 2 is a kind of flow chart of the method for database cross computer room migration shown according to an exemplary embodiment.Such as Fig. 2
It is shown, on the basis of embodiment shown in Fig. 1, this disclosure relates to database cross computer room migration method may include following step
Rapid 201-205:
In step 201, the data and configuration information of first database server cluster in the first computer room are obtained.
In step 202, the second database server cluster is created in the second computer room according to configuration information；Wherein,
Two database server clusters are identical as the configuration of first database server cluster.
In step 203, the data full dose of first database server cluster is synchronized to the second database server collection
Group.
It is exemplary, the data real-time incremental of first database server cluster is synchronized to the second database server collection
Group.
In step 204, the Data Migration of first database server cluster in the first computer room will be stored in when receiving
To the second computer room instruction when, by current database server set group address from the address of first database server cluster modify
For the address of the second database server cluster.
In step 205, configuration modification message is sent to target application, includes the in the second computer room in configuration modification message
The address of two database server clusters is used to indicate target application for address data memory and is revised as the second database server
The address of cluster.
The embodiment of the present disclosure provide technical solution, by computer room migration before in new room creation with current computer room in
It configures identical database server cluster and completes data and synchronize, current database need to only be serviced when carrying out computer room migration
Device cluster address is revised as the address of the second database server cluster from the address of first database server cluster, and instruction is answered
The database server cluster newly configured with access greatlys save the time of migration switching to complete across computer room migration, improves
Switching efficiency, also, in transition process network jitter on data safety without influence, improve the safety and reliability of migration.
Following is embodiment of the present disclosure, can be used for executing embodiments of the present disclosure.
Fig. 3 is that a kind of block diagram of the device of database cross computer room migration shown according to an exemplary embodiment is directed to
The scene that RedisCluster is migrated across computer room, the device of the database cross computer room migration shown in Fig. 3, comprising: Redis monitors journey
Sequence, configuration center, across computer room migrator, RMT (RedisCluster cluster Migration tools), in which:
Redis monitoring programme, for collecting the metadata information and monitoring data of Redis, including RedisCluster collection
Instance number and parameter of group etc..
Configuration center, for storing the link address information of all Redis, i.e. RedisCluster cluster address information,
Using the actual address for obtaining Redis by configuration center, configuration center after the link address information of configuration center changes
New address can be pushed to application.
RMT, it is synchronous synchronous with real-time incremental for carrying out full dose to data in RedisCluster cluster.
Across computer room migrator generates RMT configuration file, and open for creating RedisCluster cluster in new room
Dynamic RMT carries out data and synchronizes, the RedisCluster cluster address at handover configurations center.
On the basis of the above description, migration scheme the following steps are included:
1, prepare before migration:
1) across computer room migrator obtains the instance number for needing to migrate RedisCluster cluster by Redis monitoring programme
And configuration parameter.
2) across computer room migrator is created newly using the instance number and configuration parameter obtained in new room
RedisCluster cluster.
3) after the completion of new cluster creation, across computer room migrator generates RMT configuration file, and it is same to start RMT progress data
Step.
2, migration switching:
A) the RedisCluster cluster address of modification configuration center storage is new cluster address.
B) configuration center push is newly allocated to application, is connected automatically to new cluster using getting newly to match to postpone, so far, complete
At across the computer room migration of RedisCluster.
The technical solution that the embodiment of the present disclosure provides by building mirror image cluster in new room, and carries out what data synchronized
Mode carries out across computer room migration, and the creation of new room example can be fulfiled ahead of schedule with synchronous, and when actual migration, which only needs to modify, matches
Center connection configuration is set, the time of migration switching is greatly saved, network jitter is on data safety without influence, energy in transition process
Enough improve safety and efficiency across computer room migration.
Fig. 4 is a kind of block diagram of the device of database cross computer room migration shown according to an exemplary embodiment, the device
It can adopt and implement in various manners, such as all components of implementing device in the server, alternatively, in server side to couple
Mode implementing device in component；The device can be related to by the above-mentioned disclosure that is implemented in combination with of software, hardware or both
And method, as shown in figure 4, the device of database cross computer room migration includes: modified module 401 and sending module 402,
In:
Modified module 401 is configured as working as to receive that the number of first database server cluster in the first computer room will be stored in
According to migrating to the instruction of the second computer room and created the second database server cluster in the second computer room in advance and complete data
When synchronous, the second database is revised as from the address of first database server cluster in current database server set group address
The address of server cluster；
Sending module 402 is configured as sending configuration modification message to target application, includes second in configuration modification message
The address of second database server cluster in computer room is used to indicate target application for address data memory and is revised as the second data
The address of library server cluster.
The device that the embodiment of the present disclosure provides can be used in executing the technical solution of embodiment illustrated in fig. 1, executive mode
Similar with beneficial effect, details are not described herein again.
In a kind of possible embodiment, as shown in figure 5, the device that the database cross computer room shown in Fig. 4 migrates may be used also
To include: to obtain module 501, creation module 502 and full dose synchronization module 503, in which:
Module 501 is obtained to be configured as obtaining the data of first database server cluster in the first computer room and match confidence
Breath；
Creation module 502 is configured as creating the second database server cluster in the second computer room according to configuration information；
Wherein, the second database server cluster is identical as the configuration of first database server cluster；
Full dose synchronization module 503 is configured as the data full dose of first database server cluster being synchronized to the second data
Library server cluster.
In a kind of possible embodiment, as shown in fig. 6, the device that the database cross computer room shown in Fig. 5 migrates may be used also
To include: increment synchronization module 601, it is configured as the data real-time incremental of first database server cluster being synchronized to second
Database server cluster.
Fig. 7 is a kind of block diagram of the device 700 of database cross computer room migration shown according to an exemplary embodiment, data
Library is suitable for server across the device 700 that computer room migrates, and the device 700 of database cross computer room migration includes:
Processor 701；
Memory 702 for storage processor executable instruction；
Wherein, processor 701 is configured as:
The Data Migration of first database server cluster in the first computer room will be stored in the second computer room when receiving
When indicating and having created the second database server cluster in the second computer room in advance and completed data synchronization, by current data
The address of the second database server cluster is revised as from the address of first database server cluster in library server set group address；
Configuration modification message is sent to target application, includes the second database service in the second computer room in configuration modification message
The address of device cluster is used to indicate the address that address data memory is revised as the second database server cluster by target application.
In one embodiment, above-mentioned processor 701 is also configured to:
The Data Migration of first database server cluster in the first computer room will be stored in the second computer room receiving
Before instruction, the data and configuration information of first database server cluster in the first computer room are obtained；
The second database server cluster is created in the second computer room according to configuration information；Wherein, the second database service
Device cluster is identical as the configuration of first database server cluster；
The data full dose of first database server cluster is synchronized to the second database server cluster.
In one embodiment, above-mentioned processor 701 is also configured to:
The data real-time incremental of first database server cluster is synchronized to the second database server cluster.
About the device in above-described embodiment, wherein modules execute the concrete mode of operation in related this method
Embodiment in be described in detail, no detailed explanation will be given here.
Fig. 8 is a kind of block diagram of the device of database cross computer room migration shown according to an exemplary embodiment.For example, number
It may be provided as a server across the device 800 that computer room migrates according to library.The device 800 of database cross computer room migration includes processing
Component 802 further comprises one or more processors, and the memory resource as representated by memory 803, for depositing
Storage can be by the instruction of the execution of processing component 802, such as application program.The application program stored in memory 803 may include
It is one or more each correspond to one group of instruction module.In addition, processing component 802 is configured as executing instruction,
To execute the above method.
The device 800 of database cross computer room migration can also include that a power supply module 806 is configured as executing database
The power management of device 800 across computer room migration, a wired or wireless network interface 805 are configured as connecting in device 800
To network and input and output (I/O) interface 808.The device 800 of database cross computer room migration, which can operate, to be based on being stored in
The operating system of memory 803, such as Windows ServerTM, Mac OS XTM, UnixTM, LinuxTM, FreeBSDTM
Or it is similar.
A kind of non-transitorycomputer readable storage medium is migrated when the instruction in storage medium by database cross computer room
When the processor of device 800 executes, so that the device 800 of database cross computer room migration is able to carry out following method, method includes:
The Data Migration of first database server cluster in the first computer room will be stored in the second computer room when receiving
When indicating and having created the second database server cluster in the second computer room in advance and completed data synchronization, by current data
The address of the second database server cluster is revised as from the address of first database server cluster in library server set group address；
Configuration modification message is sent to target application, includes the second database service in the second computer room in configuration modification message
The address of device cluster is used to indicate the address that address data memory is revised as the second database server cluster by target application.
In one embodiment, the data for being stored in first database server cluster in the first computer room are moved receiving
It moves to before the instruction of the second computer room, method further include:
Obtain the data and configuration information of first database server cluster in the first computer room；
The second database server cluster is created in the second computer room according to configuration information；Wherein, the second database service
Device cluster is identical as the configuration of first database server cluster；
The data full dose of first database server cluster is synchronized to the second database server cluster.
In one embodiment, method further include:
The data real-time incremental of first database server cluster is synchronized to the second database server cluster.
Those skilled in the art will readily occur to its of the disclosure after considering specification and practicing disclosure disclosed herein
Its embodiment.This application is intended to cover any variations, uses, or adaptations of the disclosure, these modifications, purposes or
Person's adaptive change follows the general principles of this disclosure and including the undocumented common knowledge in the art of the disclosure
Or conventional techniques.The description and examples are only to be considered as illustrative, and the true scope and spirit of the disclosure are by following
Claim is pointed out.
It should be understood that the present disclosure is not limited to the precise structures that have been described above and shown in the drawings, and
And various modifications and changes may be made without departing from the scope thereof.The scope of the present disclosure is only limited by the accompanying claims.
Claims (8)
1. a kind of method of database cross computer room migration, which is characterized in that the described method includes:
When receive will be stored in the Data Migration of first database server cluster in the first computer room to the instruction of the second computer room,
And when having created the second database server cluster in second computer room in advance and having completed data synchronization, by current database
Second database server cluster is revised as from the address of the first database server cluster in server set group address
Address；
Configuration modification message is sent to target application, includes the second database in second computer room in the configuration modification message
The address of server cluster is used to indicate the target application for address data memory and is revised as second database server
The address of cluster.
2. the method according to claim 1, wherein first database in the first computer room will be stored in receiving
Before the Data Migration of server cluster to the instruction of the second computer room, the method also includes:
Obtain the data and configuration information of first database server cluster in first computer room；
Second database server cluster is created in second computer room according to the configuration information；Wherein, described
Two database server clusters are identical as the configuration of the first database server cluster；
The data full dose of the first database server cluster is synchronized to second database server cluster.
3. according to the method described in claim 2, it is characterized in that, the method also includes:
The data real-time incremental of the first database server cluster is synchronized to second database server cluster.
4. a kind of device of database cross computer room migration characterized by comprising
Modified module, for the Data Migration of first database server cluster in the first computer room will to be stored in the when receiving
The instruction of two computer rooms and the second database server cluster has been created in second computer room in advance and to complete data synchronous
When, second number is revised as from the address of the first database server cluster in current database server set group address
According to the address of library server cluster；
Sending module includes second machine in the configuration modification message for sending configuration modification message to target application
The address of second database server cluster in room is used to indicate the target application for address data memory and is revised as described
The address of two database server clusters.
5. device according to claim 4, which is characterized in that described device further include:
Module is obtained, for obtaining the data and configuration information of first database server cluster in first computer room；
Creation module, for creating the second database server collection in second computer room according to the configuration information
Group；Wherein, second database server cluster is identical as the configuration of the first database server cluster；
Full dose synchronization module, for the data full dose of the first database server cluster to be synchronized to second database
Server cluster.
6. device according to claim 5, which is characterized in that described device further include:
Increment synchronization module, for the data real-time incremental of the first database server cluster to be synchronized to second number
According to library server cluster.
7. a kind of device of database cross computer room migration characterized by comprising
Processor；
Memory for storage processor executable instruction；
Wherein, the processor is configured to:
When receive will be stored in the Data Migration of first database server cluster in the first computer room to the instruction of the second computer room,
And when having created the second database server cluster in second computer room in advance and having completed data synchronization, by current database
Second database server cluster is revised as from the address of the first database server cluster in server set group address
Address；
Configuration modification message is sent to target application, includes the second database in second computer room in the configuration modification message
The address of server cluster is used to indicate the target application for address data memory and is revised as second database server
The address of cluster.
8. a kind of computer readable storage medium, is stored thereon with computer instruction, which is characterized in that the instruction is held by processor
The step of any one of claim 1-3 the method is realized when row.
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| CN111190551A (en) * | 2020-01-04 | 2020-05-22 | 深圳猛犸电动科技有限公司 | Redis data migration system, method and device and terminal |
| CN112069152A (en) * | 2020-09-08 | 2020-12-11 | 北京达佳互联信息技术有限公司 | Database cluster upgrading method, device, equipment and storage medium |
| CN112131056A (en) * | 2020-09-17 | 2020-12-25 | 掌阅科技股份有限公司 | Control method, system, computing device and storage medium for switching services of multiple machine rooms |
| CN112632189A (en) * | 2020-12-26 | 2021-04-09 | 中国农业银行股份有限公司 | Data synchronization system and method |
| CN113765689A (en) * | 2021-01-04 | 2021-12-07 | 北京沃东天骏信息技术有限公司 | Machine room switching method, device, equipment and storage medium |
| CN114615263A (en) * | 2022-02-10 | 2022-06-10 | 深圳市小满科技有限公司 | Cluster online migration method, device, equipment and storage medium |
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