CN106991190A - A kind of database automatically creates subdata base system - Google Patents
A kind of database automatically creates subdata base system Download PDFInfo
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- 238000012217 deletion Methods 0.000 claims description 21
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- 230000001360 synchronised effect Effects 0.000 claims description 9
- 238000005303 weighing Methods 0.000 claims description 4
- 230000006399 behavior Effects 0.000 claims description 3
- 238000013507 mapping Methods 0.000 claims description 3
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- 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
- G06F16/22—Indexing; Data structures therefor; Storage structures
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- G—PHYSICS
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- 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
- G06F16/27—Replication, distribution or synchronisation of data between databases or within a distributed database system; Distributed database system architectures therefor
- G06F16/275—Synchronous replication
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Abstract
The present invention provides a kind of database and automatically creates subdata base system, it is related to database technology, when user approaches, equaled or exceeded the load threshold of the primary database to the visit capacity of a primary database, load equalizer creates one, two or more subdata bases according to visit capacity elasticity, so as to realize the extension of database, share visit capacity.
Description
Technical field
Subdata base system is automatically created the present invention relates to database technology, more particularly to a kind of database.
Background technology
Database is that the data acquisition system in second-level storage is organized and deposited according to certain data model, this data
Set has following features：Do not repeat as far as possible, be in an optimal manner a variety of application services of some particular organization, its data knot
Structure increasing to data, is deleted, changed, looking into and be managed and controlled by unified software independently of using its application program.From development
History sees that database is the advanced stage of data management, and it is grown up by file management system.
With using and demand database, the technical problem to be solved is to provide a kind of Database Systems, as user couple
When the visit capacity of one primary database approaches, equaled or exceeded the load threshold of the primary database, load equalizer is according to the visit
The amount of asking elasticity creates one, two or more subdata bases, so as to realize the extension of database, shares visit capacity.
The content of the invention
In order to solve the problem, the present invention proposes a kind of database and automatically creates subdata base system.When user is to one
When the visit capacity of individual primary database approaches, equaled or exceeded the load threshold of the primary database, load equalizer is according to the access
Amount elasticity creates one, two or more subdata bases, so as to realize the extension of database, shares visit capacity.
The technical scheme is that：
A kind of database automatically creates subdata base system,
Including load equalizer, primary database and subdata base, the quantity of subdata base is not less than primary database quantity, Mei Gezhu
Database is the database for allowing user to carry out data read-write operation, and each primary database only preserves a type of data,
Each primary database corresponds to preserve different types of data respectively；
When user approaches, equaled or exceeded the load threshold of the primary database to the visit capacity of a primary database, load is equal
Weighing apparatus creates more than one subdata base according to visit capacity elasticity, and each subdata base is only to allow user to carry out data
The database of read operation.
After subdata base is created, load equalizer sends primary data to the corresponding primary database of subdata base and synchronously referred to
Order, the master data receives primary data synchronic command, primary data synchronic command is deferred to, at the beginning of the data that the primary database is stored
Beginning is synchronized to the corresponding whole subdata bases of the master data.
Load equalizer receives data write request, and load equalizer judges according to received data write request
Data type, selects from whole primary databases the primary database for preserving the type data to be according to Database Systems access strategy
Target database, data write instruction is sent to target database, and the data asked are write into target database, and load is equal
Weighing apparatus sends later data synchronic command to the target database, so that the target database is by newest write data post
It is synchronized to the corresponding whole subdata bases of the target database；
When newest write data post is synchronized to the corresponding whole subdata bases of the target database by target database
During：
It is binary log information, binary log packet that data are updated into operation note when target database writes data
Include data and update operation species and data renewal operation content, include data increase operation, data deletion according to operation species are updated
Operation and data change operation, and data, which update operation content, includes table name, field name, field attribute information and literary name segment length
Degree；
The target database sends binary log information and gives the target database corresponding whole subdata bases, the target data
The corresponding whole subdata bases in storehouse receive the binary log information that target database is sent, based on the binary log received
Information, subdata base generates three kinds of functional modules, is respectively：Realize that data increase the SQL SQL of operating function
Module, the SQL SQL modules for realizing data deletion action function and the knot for realizing data change operating function
Structure query language SQL modules, extract the data in binary log information and update operation species and data renewal operation content,
If it is that data increase operation that the data extracted, which update the corresponding data of operation content and update operation species, the data are updated and grasped
It is embedded into as content in the SQL SQL modules for realizing data increase operating function, data increase behaviour is realized in execution
Make the SQL SQL modules of function, the data of subdata storehouse same memory location carry out data increase operation, real
Existing data increase operation；If it is data deletion action that the data extracted, which update the corresponding data of operation content and update operation species,
Then data renewal operation content is embedded into the SQL SQL modules for realizing data deletion action function, held
Row realizes the SQL SQL modules of data deletion action function, and the data of subdata storehouse same memory location are entered
Row data deletion action, realizes data deletion action；If the data extracted update operation content, corresponding data update operation kind
Class is that data change operation, then data renewal operation content is embedded into the structuralized query for realizing that data change operating function
In language SQL modules, the SQL SQL modules for realizing that data change operating function are performed, subdata storehouse is identical
The data of storage location carry out data and change operation, realize that data change operation.
Load equalizer receives data read request, the type of the reading data is judged, according to the type of the reading data
It is determined that preserve the primary database and whole subdata bases of the type data, it is determined that preserving the primary databases of the type data and complete
In portion's subdata base, Database Systems access speed strategy of the load equalizer based on Domain Name System carries out intelligence
Matching, selects nearest database, the nearest database is referred to as matching database, to matched data to send the user asked
Storehouse sends data read command, and matching database receives the data read command and provides digital independent according to data read command
The data of request.
When the nearest database of user's selection to send request is primary database, only it is determined that preserving the type data
Whole subdata bases in, Database Systems access speed strategy of the load equalizer based on Domain Name System is carried out
Intelligent Matching, selects nearest subdata base, the nearest subdata base is referred to as matching database to send the user asked, to
Matching database sends data read command, and matching database receives the data read command and provided according to data read command
The data of data read request.
Subdata base structure is：
Based on coding standard set in advance, unique encodings are carried out to field, unique encodings are carried out to table, between table and table
Data relationship carries out unique encodings, generates node cluster coding structure table, and the content of node cluster coding structure table storage is included to word
Duan Jinhang unique coding, to table carry out unique coding and between table and table data relationship carry out it is unique
Coding, forms coding nodes, based on the subordinate relation between the data relationship between table, field and table and table, in above-mentioned section
Subordinate mapping in point cluster coding structure table between the coding of the coding of correspondence establishment table, the coding of field and data relationship,
Map the title corresponding to each coding in the node cluster value comparison table of establishment, the title include the title of table, the title of field or
The title of data relationship between table and table, creates the coding section with unique encodings under the corresponding coding nodes of field
The corresponding field data of each coding child node is stored in point, each coding child node one memory space of correspondence, memory space.
Brief description of the drawings
Fig. 1 is the workflow schematic diagram of the present invention.
Embodiment
More detailed illustrate is carried out to present disclosure below：
A kind of Database Systems, including load equalizer, multiple primary databases and multiple subdata bases, quantity of subdata base etc.
In or more than primary database quantity, each primary database is the database for allowing user to carry out data read-write operation, Mei Gezhu
Database only preserves a type of data, and each primary database corresponds to preserve different types of data respectively；
When user approaches, equaled or exceeded the load threshold of the primary database to the visit capacity of a primary database, load is equal
Weighing apparatus creates one, two or more subdata bases according to visit capacity elasticity, and each subdata base is only to allow user to enter
The database of row data reading operation；
After subdata base is created, load equalizer sends primary data synchronic command to the corresponding primary database of subdata base,
The master data receives primary data synchronic command, defers to primary data synchronic command, the data that the primary database is stored are initial
The corresponding whole subdata bases of the master data are synchronized to, primary database and whole subdata bases corresponding with the primary database are kept
Data consistency；
Load equalizer receives data write request, and load equalizer judges data according to received data write request
Type, the primary database for selecting to preserve the type data from whole primary databases according to Database Systems access strategy is target
Database, data write instruction is sent to target database, and the data asked are write into target database, load equalizer
Later data synchronic command is sent to the target database, so that the target database is synchronous by newest write data post
To the corresponding whole subdata bases of the target database；
Load equalizer receives data read request, judges the type of the reading data, is determined according to the type of the reading data
The primary database and whole subdata bases of the type data are preserved, it is determined that preserving the primary database and all sons of the type data
In database, Database Systems access speed strategy of the load equalizer based on Domain Name System carries out intelligent
Match somebody with somebody, the nearest database of user's selection to send request, the nearest database is referred to as matching database, to matching database
Data read command is sent, matching database receives the data read command and provides digital independent according to data read command and asks
The data asked.
Above-mentioned Database Systems, when the nearest database of user's selection to send request is primary database, only true
Surely in the whole subdata bases for preserving the type data, Database Systems of the load equalizer based on Domain Name System
Access speed strategy carries out intelligent Matching, the nearest subdata base of user's selection to send request, the nearest subdata base
Referred to as matching database, data read command is sent to matching database, and matching database receives the data read command and root
The data of data read request are provided according to data read command.
Above-mentioned Database Systems, the target database pair is synchronized in target database by newest write data post
During during the whole subdata bases answered：
It is binary log information, binary log packet that data are updated into operation note when target database writes data
Include data and update operation species and data renewal operation content, include data increase operation, data deletion according to operation species are updated
Operation and data change operation, and data, which update operation content, includes table name, field name, field attribute information and literary name segment length
Degree；
The target database sends binary log information and gives the target database corresponding whole subdata bases, the target data
The corresponding whole subdata bases in storehouse receive the binary log information that target database is sent, based on the binary log received
Information, subdata base generates three kinds of functional modules, is respectively：Realize that data increase the SQL SQL of operating function
Module, the SQL SQL modules for realizing data deletion action function and the knot for realizing data change operating function
Structure query language SQL modules, extract the data in binary log information and update operation species and data renewal operation content,
If it is that data increase operation that the data extracted, which update the corresponding data of operation content and update operation species, the data are updated and grasped
It is embedded into as content in the SQL SQL modules for realizing data increase operating function, data increase behaviour is realized in execution
Make the SQL SQL modules of function, the data of subdata storehouse same memory location carry out data increase operation, real
Existing data increase operation；If it is data deletion action that the data extracted, which update the corresponding data of operation content and update operation species,
Then data renewal operation content is embedded into the SQL SQL modules for realizing data deletion action function, held
Row realizes the SQL SQL modules of data deletion action function, and the data of subdata storehouse same memory location are entered
Row data deletion action, realizes data deletion action；If the data extracted update operation content, corresponding data update operation kind
Class is that data change operation, then data renewal operation content is embedded into the structuralized query for realizing that data change operating function
In language SQL modules, the SQL SQL modules for realizing that data change operating function are performed, subdata storehouse is identical
The data of storage location carry out data and change operation, realize that data change operation.
Above-mentioned Database Systems, subdata base structure is：
Based on coding standard set in advance, unique encodings are carried out to field, unique encodings are carried out to table, between table and table
Data relationship carries out unique encodings, generates node cluster coding structure table, and the content of node cluster coding structure table storage is included to word
Duan Jinhang unique coding, to table carry out unique coding and between table and table data relationship carry out it is unique
Coding, forms coding nodes, based on the subordinate relation between the data relationship between table, field and table and table, in above-mentioned section
Subordinate mapping in point cluster coding structure table between the coding of the coding of correspondence establishment table, the coding of field and data relationship,
Map the title corresponding to each coding in the node cluster value comparison table of establishment, the title include the title of table, the title of field or
The title of data relationship between table and table, creates the coding section with unique encodings under the corresponding coding nodes of field
The corresponding field data of each coding child node is stored in point, each coding child node one memory space of correspondence, memory space.
The data syn-chronization of primary database and whole subdata bases corresponding with the primary database, it is ensured that the uniformity of data.
Each primary database is the database for allowing user to carry out data read-write operation, and each primary database only preserves a type of
Data, each primary database corresponds to preserve different types of data respectively, is easy to management and the extended operation of database.
Claims (7)
1. a kind of database automatically creates subdata base system, it is characterised in that
Including load equalizer, primary database and subdata base, the quantity of subdata base is not less than primary database quantity, Mei Gezhu
Database is the database for allowing user to carry out data read-write operation, and each primary database only preserves a type of data,
Each primary database corresponds to preserve different types of data respectively；
When user approaches, equaled or exceeded the load threshold of the primary database to the visit capacity of a primary database, load is equal
Weighing apparatus creates more than one subdata base according to visit capacity elasticity, and each subdata base is only to allow user to carry out data
The database of read operation.
2. system according to claim 1, it is characterised in that
After subdata base is created, load equalizer sends primary data synchronic command to the corresponding primary database of subdata base,
The master data receives primary data synchronic command, defers to primary data synchronic command, the data that the primary database is stored are initial
It is synchronized to the corresponding whole subdata bases of the master data.
3. system according to claim 2, it is characterised in that
Load equalizer receives data write request, and load equalizer judges data according to received data write request
Type, the primary database for selecting to preserve the type data from whole primary databases according to Database Systems access strategy is target
Database, data write instruction is sent to target database, and the data asked are write into target database, load equalizer
Later data synchronic command is sent to the target database, so that the target database is synchronous by newest write data post
To the corresponding whole subdata bases of the target database.
4. system according to claim 3, it is characterised in that
When newest write data post is synchronized to the corresponding whole subdata bases of the target database by target database
During：
It is binary log information, binary log packet that data are updated into operation note when target database writes data
Include data and update operation species and data renewal operation content, include data increase operation, data deletion according to operation species are updated
Operation and data change operation, and data, which update operation content, includes table name, field name, field attribute information and literary name segment length
Degree；
The target database sends binary log information and gives the target database corresponding whole subdata bases, the target data
The corresponding whole subdata bases in storehouse receive the binary log information that target database is sent, based on the binary log received
Information, subdata base generates three kinds of functional modules, is respectively：Realize that data increase the SQL SQL of operating function
Module, the SQL SQL modules for realizing data deletion action function and the knot for realizing data change operating function
Structure query language SQL modules, extract the data in binary log information and update operation species and data renewal operation content,
If it is that data increase operation that the data extracted, which update the corresponding data of operation content and update operation species, the data are updated and grasped
It is embedded into as content in the SQL SQL modules for realizing data increase operating function, data increase behaviour is realized in execution
Make the SQL SQL modules of function, the data of subdata storehouse same memory location carry out data increase operation, real
Existing data increase operation；If it is data deletion action that the data extracted, which update the corresponding data of operation content and update operation species,
Then data renewal operation content is embedded into the SQL SQL modules for realizing data deletion action function, held
Row realizes the SQL SQL modules of data deletion action function, and the data of subdata storehouse same memory location are entered
Row data deletion action, realizes data deletion action；If the data extracted update operation content, corresponding data update operation kind
Class is that data change operation, then data renewal operation content is embedded into the structuralized query for realizing that data change operating function
In language SQL modules, the SQL SQL modules for realizing that data change operating function are performed, subdata storehouse is identical
The data of storage location carry out data and change operation, realize that data change operation.
5. system according to claim 2, it is characterised in that
Load equalizer receives data read request, judges the type of the reading data, is determined according to the type of the reading data
The primary database and whole subdata bases of the type data are preserved, it is determined that preserving the primary database and all sons of the type data
In database, Database Systems access speed strategy of the load equalizer based on Domain Name System carries out intelligent
Match somebody with somebody, the nearest database of user's selection to send request, the nearest database is referred to as matching database, to matching database
Data read command is sent, matching database receives the data read command and provides digital independent according to data read command and asks
The data asked.
6. system according to claim 5, it is characterised in that
When the nearest database of user's selection to send request is primary database, only it is determined that preserving the complete of the type data
In portion's subdata base, Database Systems access speed strategy of the load equalizer based on Domain Name System carries out intelligence
Matching, selects nearest subdata base, the nearest subdata base is referred to as matching database, to matching to send the user asked
Database sends data read command, and matching database receives the data read command and provides data according to data read command
The data of read requests.
7. system according to claim 2, it is characterised in that
Subdata base structure is：
Based on coding standard set in advance, unique encodings are carried out to field, unique encodings are carried out to table, between table and table
Data relationship carries out unique encodings, generates node cluster coding structure table, and the content of node cluster coding structure table storage is included to word
Duan Jinhang unique coding, to table carry out unique coding and between table and table data relationship carry out it is unique
Coding, forms coding nodes, based on the subordinate relation between the data relationship between table, field and table and table, in above-mentioned section
Subordinate mapping in point cluster coding structure table between the coding of the coding of correspondence establishment table, the coding of field and data relationship,
Map the title corresponding to each coding in the node cluster value comparison table of establishment, the title include the title of table, the title of field or
The title of data relationship between table and table, creates the coding section with unique encodings under the corresponding coding nodes of field
The corresponding field data of each coding child node is stored in point, each coding child node one memory space of correspondence, memory space.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107563219A (en) * | 2017-08-28 | 2018-01-09 | 深圳市华傲数据技术有限公司 | A kind of data base management method and device |
| CN108763300A (en) * | 2018-04-19 | 2018-11-06 | 北京奇艺世纪科技有限公司 | A kind of data query method and device |
| CN110647347A (en) * | 2019-09-05 | 2020-01-03 | 广州市蜗牛互动科技有限公司 | Mobile application configuration method and equipment |
| WO2020224098A1 (en) * | 2019-05-08 | 2020-11-12 | 平安科技（深圳）有限公司 | Cloud access method and apparatus based on global server load balance, and storage medium |
| WO2021068521A1 (en) * | 2019-10-12 | 2021-04-15 | 浪潮电子信息产业股份有限公司 | Data processing method, apparatus and device for local storage engine system |
| CN116166639A (en) * | 2023-03-03 | 2023-05-26 | 武汉骏信达信息咨询有限公司 | Big data processing method and system based on artificial intelligence |
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| CN107563219A (en) * | 2017-08-28 | 2018-01-09 | 深圳市华傲数据技术有限公司 | A kind of data base management method and device |
| 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 |
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| CN110647347A (en) * | 2019-09-05 | 2020-01-03 | 广州市蜗牛互动科技有限公司 | Mobile application configuration method and equipment |
| WO2021068521A1 (en) * | 2019-10-12 | 2021-04-15 | 浪潮电子信息产业股份有限公司 | Data processing method, apparatus and device for local storage engine system |
| CN116166639A (en) * | 2023-03-03 | 2023-05-26 | 武汉骏信达信息咨询有限公司 | Big data processing method and system based on artificial intelligence |
| CN116166639B (en) * | 2023-03-03 | 2024-04-26 | 西安快鱼科技有限公司 | Big data processing method and system based on artificial intelligence |
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