CN103412860B - Method and device for extending database and database system - Google Patents
Method and device for extending database and database system Download PDFInfo
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- CN103412860B CN103412860B CN201210413007.7A CN201210413007A CN103412860B CN 103412860 B CN103412860 B CN 103412860B CN 201210413007 A CN201210413007 A CN 201210413007A CN 103412860 B CN103412860 B CN 103412860B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- 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
Abstract
The invention provides a method and device for extending a database and a database system. The method is applied to the database system which comprises a load balancer and a main database. The method includes the steps that the load balancer creates sub databases and sends first data synchronous commands to the main database, so that the main database synchronizes data stored by the main database to the sub databases, wherein the main database allows users to conduct data read-write operation, and the sub databases only allow the users to conduct data read operation.
Description
Technical field
The present invention relates to areas of information technology, especially, be related to a kind of data base extension method, data base's expanding unit and
Database Systems.
Background technology
In database access administration, how according to the change of user's visit capacity, neatly data base is extended is
The problem for needing at present to solve.
In the solutions such as existing SharePoint, by the way that data base is divided into into different business data base, user's
All read/write requests are all issued in specific data base according to interface layering, access is shunted with balanced each number so as to reach
According to the purpose of the load capacity in storehouse.But the shortcoming of this solution is, if elasticity increases data base, reading and writing data can be produced not
Consistent problem, therefore the data base's offer service being set can only be provided, it is impossible to the increase for being adapted to user's visit capacity comes
Elasticity increases data base, so as to not can solve shunting problems.
The content of the invention
Problems to be solved by the invention
In view of this, it is an object of the invention to provide one kind can be extended to data base and while can ensure that number
According to conforming data base extension method, data base's expanding unit and Database Systems.
For solution to problem
To achieve these objectives, in a first aspect, embodiments providing a kind of data base extension method, it is applied to include
The Database Systems of load equalizer and MDL, methods described includes：
The load equalizer creates subdata base；And
The load equalizer to the MDL sends the instruction of the first data syn-chronization, so that the MDL is by institute
The data syn-chronization of MDL storage is stated to the subdata base；
Wherein, the MDL is the data base for allowing user to carry out data read-write operation；The subdata base is for only
User is allowed to carry out the data base of data reading operation.
With reference in a first aspect, in the first possible embodiment, also including：
The load equalizer receiving data write request；
The load equalizer sends data write instruction according to the data write request to the MDL, with
The data asked are write into the MDL；
The load equalizer to the MDL sends the instruction of the second data syn-chronization, so that the MDL is by institute
The data syn-chronization of write is to the subdata base.
With reference to the first possible embodiment of first aspect or first aspect, in second possible embodiment
In, also include：
The load equalizer receiving data read requests；
The load equalizer is selected according to Database Systems access strategy from the MDL and the subdata base
The data base of matching；
The load equalizer to the data base of the matching sends data read command, with from the data base of the matching
Read asked data.
With reference to second possible embodiment, in the third possible embodiment, the Database Systems are accessed
Strategy accesses at least one in load balancing and Database Systems access speed strategy including Database Systems.
Second aspect, embodiments provides a kind of data base's expanding unit, is applied to include the number of MDL
According to storehouse system, described device includes：
Creating unit, for creating subdata base；
Transmitting element, for sending the instruction of the first data syn-chronization to the MDL, so that the MDL is by institute
The data syn-chronization of MDL storage is stated to the subdata base；
Wherein, the MDL is the data base for allowing user to carry out data read-write operation；The subdata base is for only
User is allowed to carry out the data base of data reading operation.
With reference to second aspect, in the first possible embodiment, also including receiving unit；The receiving unit is used for
Receiving data write request；The transmitting element is additionally operable to according to the data write request, and to the MDL number is sent
According to write instruction, the data asked are write into the MDL, and it is same to send the second data to the MDL
Step instruction so that the MDL by the data syn-chronization for being write to the subdata base.
With reference to the first possible embodiment of second aspect, in second possible embodiment, also including choosing
Unit is selected, the receiving unit is additionally operable to receiving data read requests；The select unit is used to be accessed according to Database Systems
Strategy, from the MDL and the subdata base data base of matching is selected；
The transmitting element is additionally operable to send data read command to the data base of the matching, with from the number of the matching
Asked data are read according to storehouse；Wherein, the Database Systems access strategy includes that Database Systems access load balancing plan
At least one slightly and in Database Systems access speed strategy.
The third aspect, embodiments provides a kind of Database Systems, including load equalizer and MDL, its
In：The load equalizer creates subdata base, and sends the instruction of the first data syn-chronization to the MDL；The master data
Storehouse receives the first data syn-chronization instruction, and the data syn-chronization that the MDL is stored is to the subdata base；Wherein,
The MDL is the data base for allowing user to carry out data read-write operation；The subdata base enters line number only to allow user
According to the data base of read operation.
With reference to the third aspect, in the first possible embodiment, also include：
The load equalizer receiving data write request, and sent out to the MDL according to the data write request
Send data write instruction；
The MDL receives the data write instruction, and the data asked are write into the MDL；
The load equalizer to the MDL sends the instruction of the second data syn-chronization；And
The MDL receives the second data syn-chronization instruction, and by the data syn-chronization for being write to the subdata
Storehouse.
With reference to the first possible embodiment of the third aspect or the third aspect, in second possible embodiment
In, also include：The load equalizer receiving data read requests, according to Database Systems access strategy from the MDL
The data base matched with subdata base selection, and send data read command to the data base of the matching；The matching
Data base receive the data read command, and provide asked data according to the data read command；Wherein, it is described
Database Systems access strategy includes that Database Systems are accessed in load balancing and Database Systems access speed strategy
It is at least one.
Data base extension method provided in an embodiment of the present invention, device and Database Systems, by creating subdata base, to
MDL sends data syn-chronization instruction, the data syn-chronization that MDL is stored to subdata base, so as to not receive data stock
The restriction of storage content, realizes flexible data base's extension, while ensureing the concordance of data.
According to the further feature and advantage of the method disclosed in the present and device by the following accompanying drawing being expressly incorporated herein
And hereafter present or be clear from detailed description of the present invention, accompanying drawing and detailed description of the present invention are provided commonly for solution
Release the certain principles of the present invention.
Description of the drawings
It should be understood that accompanying drawing is not necessarily to scale, that it is presented is each spy to describing its general principles
The simplified expression in a way levied.Specific design feature of the invention disclosed herein, including such as certain size, side
To, location and shape, partly determined by the application and use environment that are specifically designated.
Fig. 1 shows the flow chart of data base extension method according to an embodiment of the invention；
Fig. 2 shows the flow process of the write data processing of data base extension method according to an embodiment of the invention
Figure；
Fig. 3 shows the flow process of the reading data processing of data base extension method according to an embodiment of the invention
Figure；
Fig. 4 shows the structure chart of data base's expanding unit according to an embodiment of the invention；
Fig. 5 shows the structure chart of data base's expanding unit according to another embodiment of the invention；
Fig. 6 shows the structure chart of data base's expanding unit according to another embodiment of the invention；
Fig. 7 shows the structure chart of Database Systems according to an embodiment of the invention.
Specific embodiment
Various embodiments of the present invention are will be detailed with reference to, during its example is displayed in accompanying drawing and is described below.Although with reference to
Exemplary embodiment describes the present invention, it is to be understood that this specification is not intended to limit the invention to these exemplary enforcements
Example.Conversely, the present invention not only covers these exemplary embodiments, and covering is included in what is be defined by the appended claims
Various substitutes, modification, equivalent and other embodiments in the spirit and scope of the invention.
Fig. 1 shows the flow chart of data base extension method according to an embodiment of the invention, in this embodiment,
The method is applied to include the Database Systems of load equalizer and MDL, and mainly includes the following steps that：
S101, the load equalizer creates subdata base；
S102, the load equalizer to the MDL sends the instruction of the first data syn-chronization, so that the master data
The data syn-chronization that storehouse stores the MDL is to the subdata base；
Wherein, the MDL is the data base for allowing user to carry out data read-write operation；The subdata base is for only
User is allowed to carry out the data base of data reading operation.
The embodiment sends data syn-chronization instruction by creating subdata base to MDL, and MDL is stored
Data syn-chronization to subdata base, so as to realize the extension of data base, at the same ensure data concordance.
The preferred implementation of each step of the embodiment described further below.
In step S101, the quantity of MDL can be one or more, and each MDL can only preserve particular type
Data, also can simultaneously preserve various types of data, therefore database purchase content is not received in the access to data base and extension
Restriction.Furthermore it is preferred that MDL was created before the extension of arbitrary data storehouse is carried out, more preferably in initial design data base set
MDL is created that during system.
In a preferred embodiment, in step S101, the visit that load equalizer can be according to user to MDL
The amount of asking elasticity creates subdata base.For example, when user exceedes the load threshold of MDL to the visit capacity of MDL, bear
Carrying equalizer can create one or more subdata bases.
Load equalizer can create subdata base by various modes, for example：Load equalizer can be enabled according to visit capacity
One or more standby databases are not construed as limiting as subdata base etc., the present invention to this.
In step s 102, the load equalizer sends the instruction of the first data syn-chronization to the MDL, so that institute
Data syn-chronization that MDL stores the MDL is stated to the subdata base；So as to protect while data base extends
Hold the data consistency of MDL and subdata base.
Fig. 2 shows the flow process of the write data processing of data base extension method according to an embodiment of the invention
Figure.Wherein, the write data processing includes：
S201, the load equalizer receiving data write request；
S202, the load equalizer sends data according to received data write request to the MDL
The data asked are write the MDL by write instruction；
S203, the load equalizer to the MDL sends the instruction of the second data syn-chronization, so that the master data
Storehouse is by the data syn-chronization for being write to the subdata base.
Preferably, in the case where MDL is multiple, in step S202, load equalizer can be according to data base set
System access strategy selects the database concurrency for matching to send data write instruction from multiple MDLs.
Fig. 3 shows the flow process of the reading data processing of data base extension method according to an embodiment of the invention
Figure, in this embodiment, the reading data processing includes：
S301, the load equalizer receiving data read requests；
S302, the load equalizer according to Database Systems access strategy, from the MDL and the subdata
Storehouse selects the data base of matching；
S303, the load equalizer to the data base of the matching sends data read command, with from the matching
Data base reads asked data.
In one preferred embodiment, when data read request is received, the load equalizer can only from son
The data base for matching is selected in data base, so as to realize read-write shunting, further to improve the overall load carrying capacity of data base, together
When keep data concordance.
Preferably, the Database Systems access strategy includes that Database Systems access load balancing and data base set
At least one in system access speed strategy.For example, according to Database Systems load balancing, load equalizer can base
The data base of matching is selected according to each database loads situation in such as elastic load equilibrium even load balancing technique；According to data
Storehouse system access speed strategy, load equalizer can be based on such as DNS（Domain name system, Domain Name System）Carry out intelligence
Can match, be that the user for sending request selects nearest data base, for example, subscribers to telecommunication network to select the teledata for matching
Storehouse, etc..
Preferably, load equalizer can support various protocol types, while supporting that corresponding session keeps strategy and health
Checking mechanism, so as to provide various protocols and business support, is capable of achieving the multiple business such as Exchange, sharepoint, SAP
Load balancing, and be widely used in public cloud and private clound scene.
Fig. 4 shows the structure chart of data base's expanding unit 400 according to an embodiment of the invention, in the embodiment
In, the device is applied to include the Database Systems of MDL, and mainly includes：
Creating unit 401, for creating subdata base；
Transmitting element 402, for sending the instruction of the first data syn-chronization to the MDL, so that the MDL will
The data syn-chronization of the MDL storage is to the subdata base；
Wherein, the MDL is the data base for allowing user to carry out data read-write operation；The subdata base is for only
User is allowed to carry out the data base of data reading operation.
Data base's expanding unit provided in an embodiment of the present invention, can be by creating subdata base, and by MDL number
According to subdata base is synchronized to, so as to realize load balancing.
Fig. 5 shows the structure chart of data base's expanding unit 500 according to another embodiment of the invention, the embodiment
Data base's expanding unit 500 on the basis of the embodiment shown in Fig. 4, also including receiving unit 403, write for receiving data
Enter request.And in this embodiment, transmitting element 402 is additionally operable to according to the data write request, to the MDL
Data write instruction is sent, the data asked are write into the MDL, and second is sent to the MDL
Data syn-chronization instruct so that the MDL by the data syn-chronization for being write to the subdata base.
Fig. 6 shows the structure chart of data base's expanding unit 600 according to another embodiment of the invention, the embodiment
Data base's expanding unit 600 on the basis of the embodiment shown in Fig. 5, also including select unit 404, the receiving unit
403 are additionally operable to receiving data read requests；The select unit 404 is used for according to Database Systems access strategy, from the master
Data base and the subdata base select the data base of matching；The transmitting element 402 is additionally operable to the data base to the matching
Data read command is sent, to read asked data from the data base of the matching；Wherein, the Database Systems are accessed
Strategy accesses at least one in load balancing and Database Systems access speed strategy including Database Systems.
Preferably, the select unit 404 only can select the data base for matching from subdata base, so as to realize read-write point
Stream, further to improve the overall load carrying capacity of data base, while keeping the concordance of data.
Fig. 7 shows a kind of Database Systems 700 according to an embodiment of the invention, including load equalizer 701
With MDL 702, wherein：
The load equalizer 701 creates subdata base 703, and sends the first data syn-chronization to the MDL 702
Instruction；
The MDL 702 receives the first data syn-chronization instruction, and the data that the MDL 702 is stored
It is synchronized to the subdata base 703；
Wherein, the MDL 702 carries out the data base of data read-write operation for permission user；The subdata base
703 carry out the data base of data reading operation only to allow user.
In a preferred embodiment, the receiving data write request of the load equalizer 701, and write according to the data
Enter request and send data write instruction to the MDL 702；The MDL 702 receives the data write instruction,
And the data asked are write into the MDL 702；The load equalizer 701 to the MDL 702 sends the
Two data syn-chronizations are instructed；It is and the MDL 702 receives the second data syn-chronization instruction and the data for being write are same
Walk to the subdata base 703.
In another preferred embodiment, the receiving data read requests of the load equalizer 701, visit according to Database Systems
The data base that strategy selects matching from the MDL 702 and the subdata base 703 is asked, and to the data base of the matching
Send data read command；The data base of the matching receives the data read command, and according to the data read command
Asked data are provided；Wherein, the Database Systems access strategy include Database Systems access load balancing and
At least one in Database Systems access speed strategy.
Preferably, the load equalizer 701 only can select the data base for matching from subdata base 703, so as to realize
Read-write shunting, further improves the overall load carrying capacity of data base, while keeping the concordance of data.
Above for the purpose described and describe, the certain exemplary embodiments of the present invention are presented.These exemplary realities
Apply example not exhaustive, or limit the invention to disclosed precise forms, it will be apparent that, according to many modifications of above-mentioned teaching and
Change is all feasible.It is that the certain principles and its reality in order to explain the present invention are answered to select and describe these exemplary embodiments
With so that those skilled in the art manufacture and use each exemplary embodiment of the present invention, and its various substitutes and repairing
Change.In fact the scope of the present invention is limited by appending claims and its equivalent.
Those of ordinary skill in the art are it is to be appreciated that the list of each example with reference to the embodiments described herein description
Unit and algorithm steps, being capable of being implemented in combination in electronic hardware or computer software and electronic hardware.These functions are actually
Performed with hardware or software mode, depending on the application-specific and design constraint of technical scheme.Professional and technical personnel
Each specific application can be used different methods to realize described function, but this realization it is not considered that exceeding
The scope of the present invention.
If the function is realized and as independent production marketing or when using using in the form of SFU software functional unit, can be with
In being stored in a computer read/write memory medium.Based on such understanding, technical scheme is substantially in other words
The part contributed to prior art or the part of the technical scheme can be embodied in the form of software product, the meter
Calculation machine software product is stored in a storage medium, including some instructions are used so that a computer equipment（Can be individual
People's computer, server, or network equipment etc.）Perform all or part of step of each embodiment methods described of the invention.
And aforesaid storage medium includes：USB flash disk, portable hard drive, read only memory（ROM, Read-Only Memory）, random access memory deposits
Reservoir（RAM, Random Access Memory）, magnetic disc or CD etc. are various can be with the medium of store program codes.
Claims (9)
1. a kind of data base extension method, it is characterised in that methods described is applied to include load equalizer and MDL
Database Systems, methods described includes：
The load equalizer creates subdata base according to user to the visit capacity elasticity of MDL；And
The load equalizer to the MDL sends the instruction of the first data syn-chronization, so that the MDL is by the master
The data syn-chronization of database purchase is to the subdata base；
The load equalizer receiving data read requests；
The load equalizer selects matching according to Database Systems access strategy from the MDL and the subdata base
Data base；
The load equalizer to the data base of the matching sends data read command, to read from the data base of the matching
The data asked；
Wherein, the MDL is the data base for allowing user to carry out data read-write operation；The subdata base is only to allow
User carries out the data base of data reading operation.
2. data base extension method as claimed in claim 1, it is characterised in that also include：
The load equalizer receiving data write request；
The load equalizer sends data write instruction, by institute according to the data write request to the MDL
The data of request write the MDL；
The load equalizer to the MDL sends the instruction of the second data syn-chronization, so that the MDL will be write
Data syn-chronization to the subdata base.
3. data base extension method as claimed in claim 1, it is characterised in that the Database Systems access strategy includes number
At least one in load balancing and Database Systems access speed strategy is accessed according to storehouse system.
4. a kind of data base's expanding unit, it is characterised in that data base's expanding unit is applied to include the number of MDL
According to storehouse system, data base's expanding unit includes：
Creating unit, for creating subdata base to the visit capacity elasticity of MDL according to user；
Transmitting element, for sending the instruction of the first data syn-chronization to the MDL, so that the MDL is by the master
The data syn-chronization of database purchase is to the subdata base；
Receiving unit, for receiving data read requests；
Select unit, for according to Database Systems access strategy, from the MDL and the subdata base matching being selected
Data base；
The transmitting element is additionally operable to send data read command to the data base of the matching, with from the data base of the matching
Read asked data；
Wherein, the MDL is the data base for allowing user to carry out data read-write operation；The subdata base is only to allow
User carries out the data base of data reading operation.
5. data base's expanding unit as claimed in claim 4, it is characterised in that the receiving unit is additionally operable to receiving data and writes
Enter request；
The transmitting element is additionally operable to according to the data write request, and to the MDL data write instruction is sent, with
The data asked are write into the MDL, and the instruction of the second data syn-chronization is sent to the MDL, so that institute
MDL is stated by the data syn-chronization for being write to the subdata base.
6. data base's expanding unit as claimed in claim 4, it is characterised in that the Database Systems access strategy includes number
At least one in load balancing and Database Systems access speed strategy is accessed according to storehouse system.
7. a kind of Database Systems, it is characterised in that including load equalizer and MDL；
The load equalizer creates subdata base according to user to the visit capacity elasticity of MDL, and to the MDL
Send the instruction of the first data syn-chronization；
The MDL receives the first data syn-chronization instruction, and the data syn-chronization that the MDL is stored is to described
Subdata base；
The load equalizer receiving data read requests, according to Database Systems access strategy from the MDL and described
Subdata base selects the data base of matching, and sends data read command to the data base of the matching；
The data base of the matching receives the data read command, and provides asked number according to the data read command
According to；
Wherein, the MDL is the data base for allowing user to carry out data read-write operation；The subdata base is only to allow
User carries out the data base of data reading operation.
8. Database Systems as claimed in claim 7, it is characterised in that：
The load equalizer receiving data write request, and number is sent to the MDL according to the data write request
According to write instruction；
The MDL receives the data write instruction, and the data asked are write into the MDL；
The load equalizer to the MDL sends the instruction of the second data syn-chronization；And
The MDL receives the second data syn-chronization instruction, and by the data syn-chronization for being write to the subdata base.
9. Database Systems as claimed in claim 7, it is characterised in that：
The Database Systems access strategy includes that Database Systems access load balancing and Database Systems access speed
At least one in strategy.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210413007.7A CN103412860B (en) | 2012-10-25 | 2012-10-25 | Method and device for extending database and database system |
| PCT/CN2013/074296 WO2014063474A1 (en) | 2012-10-25 | 2013-04-17 | Database extension method, database extension device and database system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210413007.7A CN103412860B (en) | 2012-10-25 | 2012-10-25 | Method and device for extending database and database system |
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| CN105868203A (en) * | 2015-01-21 | 2016-08-17 | 上海可鲁系统软件有限公司 | Industrial internet-of-things distributed data access method and database system |
| CN107368485A (en) * | 2016-05-12 | 2017-11-21 | 苏宁云商集团股份有限公司 | The management method and Database Systems of a kind of database |
| CN106156330A (en) * | 2016-07-06 | 2016-11-23 | 北京金山安全管理系统技术有限公司 | A kind of data base's adaptation method and database adapter |
| CN106991190A (en) * | 2017-04-11 | 2017-07-28 | 广东浪潮大数据研究有限公司 | A kind of database automatically creates subdata base system |
| CN107563219B (en) * | 2017-08-28 | 2020-04-24 | 深圳市华傲数据技术有限公司 | Database management method and device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1797397A (en) * | 2004-12-24 | 2006-07-05 | 许继集团有限公司 | Real time database management system for automatic system of electric power, and implementation method |
| CN101119414A (en) * | 2007-09-19 | 2008-02-06 | 华为技术有限公司 | Method and system to access database |
| US7676516B2 (en) * | 2002-10-15 | 2010-03-09 | Active-Base Ltd. | System and method for the optimization of database access in data base networks |
| CN102629268A (en) * | 2012-03-09 | 2012-08-08 | 华为技术有限公司 | Data synchronization method, system and date access device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101370030B (en) * | 2008-09-24 | 2011-03-16 | 东南大学 | Resource load stabilization method based on contents duplication |
| CN101727496A (en) * | 2010-01-15 | 2010-06-09 | 山东高效能服务器和存储研究院 | Method for realizing load balancing cluster of MICROSOFT SQL SERVER database |
| CN102207937A (en) * | 2010-03-29 | 2011-10-05 | 华为技术有限公司 | Database access method and system |
| CN101916298A (en) * | 2010-08-31 | 2010-12-15 | 深圳市赫迪威信息技术有限公司 | Database operation method, apparatus and system |
-
2012
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7676516B2 (en) * | 2002-10-15 | 2010-03-09 | Active-Base Ltd. | System and method for the optimization of database access in data base networks |
| CN1797397A (en) * | 2004-12-24 | 2006-07-05 | 许继集团有限公司 | Real time database management system for automatic system of electric power, and implementation method |
| CN101119414A (en) * | 2007-09-19 | 2008-02-06 | 华为技术有限公司 | Method and system to access database |
| CN102629268A (en) * | 2012-03-09 | 2012-08-08 | 华为技术有限公司 | Data synchronization method, system and date access device |
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| WO2014063474A1 (en) | 2014-05-01 |
| CN103412860A (en) | 2013-11-27 |
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