CN108491294A - A kind of database backup method, apparatus and system - Google Patents
A kind of database backup method, apparatus and system Download PDFInfo
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- CN108491294A CN108491294A CN201810213599.5A CN201810213599A CN108491294A CN 108491294 A CN108491294 A CN 108491294A CN 201810213599 A CN201810213599 A CN 201810213599A CN 108491294 A CN108491294 A CN 108491294A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/14—Error detection or correction of the data by redundancy in operation
- G06F11/1402—Saving, restoring, recovering or retrying
- G06F11/1446—Point-in-time backing up or restoration of persistent data
- G06F11/1448—Management of the data involved in backup or backup restore
- G06F11/1451—Management of the data involved in backup or backup restore by selection of backup contents
Abstract
This application provides a kind of database backup method, apparatus and systems, the backup method obtains the partitioning scenario list of the object table of data server to be backed up first, then according to the partitioning scenario list, determine that data corresponding with the partitioning scenario list are data to be backed up.It can be seen that data backup scenario provided by the invention does not back up full dose table, but by extracting object table in full dose table, and the data volume of the object table will be much smaller than the data volume of full dose table, and it is based on the object table, the data of corresponding subregion are obtained, therefore the backup to data can be fast implemented.
Description
Technical field
This application involves technical field of data processing, and in particular to a kind of database backup method, apparatus and system.
Background technology
With the fast development of financial industry, finance data also gradually increases, currently, financial system is needed finance data
The backup for carrying out full dose table, to ensure the safety of data.However, with the continuous variation of financial business, the structure of tables of data
Also increasingly complicated, the backup of finance data is also increasingly complicated, takes longer.
Therefore, how a kind of database backup method, apparatus and system are provided, the backup to data can be fast implemented,
It is those skilled in the art's big technical problem urgently to be resolved hurrily.
Invention content
In view of this, the embodiment of the present application provides a kind of database backup method, apparatus and system, become according to table structure
The flexibility of change generates tables of data backup, improves data backup efficiency, ensure that data safety.
To achieve the above object, the embodiment of the present application provides the following technical solutions：
A kind of database backup method, including：
The partitioning scenario list of the object table of data server to be backed up is obtained, the partitioning scenario list includes at least table
Name, partitioning key values, number of partitions and remarks；
According to the partitioning scenario list, determine that data corresponding with the partitioning scenario list are data to be backed up.
Optionally, the partitioning scenario list of the object table for obtaining data server to be backed up, including:
Obtain the partitioning scenario list of full dose table and the table inventory of data server to be backed up；
According to the table inventory of the data server to be backed up, the mesh is determined from the partitioning scenario list of full dose table
Mark the partitioning scenario list of table.
Optionally, described according to the partitioning scenario list, determine that data corresponding with the partitioning scenario list are to wait for
Backup Data, including：
According to the partitioning key values, the object table of the data server to be backed up is divided into partition table and case of non-partitioned
Table；
Partition table mirror-image copies operation is generated, and obtains first object number corresponding with the partition table mirror-image copies operation
According to；
Case of non-partitioned tables mirror-image copies operation is generated, and obtains the second mesh corresponding with the case of non-partitioned tables mirror-image copies operation
Mark data；
Determine that the first object data and second target data are data to be backed up.
Optionally, according to preset table template, the partition table mirror-image copies operation and the case of non-partitioned watch mirror are generated
As copy operation.
A kind of DB Backup device, including：
Acquisition module, the partitioning scenario list of the object table for obtaining data server to be backed up, the partitioning scenario
List includes at least table name, partitioning key values, number of partitions and remarks；
Determining module, for according to the partitioning scenario list, determining that data corresponding with the partitioning scenario list are
Data to be backed up.
Optionally, the acquisition module includes:
The table of first acquisition unit, partitioning scenario list and data server to be backed up for obtaining full dose table is clear
It is single；
First determination unit, for the table inventory according to the data server to be backed up, from the partitioning scenario of full dose table
The partitioning scenario list of the object table is determined in list.
Optionally, the determining module includes：
Division unit, for according to the partitioning key values, the object table of the data server to be backed up to be divided ingredient
Area's table and case of non-partitioned tables；
Second acquisition unit for generating partition table mirror-image copies operation, and obtains and makees with the partition table mirror-image copies
The corresponding first object data of industry；
Third acquiring unit for generating case of non-partitioned tables mirror-image copies operation, and is obtained and is copied with the case of non-partitioned tables mirror image
Corresponding second target data of shellfish operation；
Second determination unit, for determining that the first object data and second target data are number to be backed up
According to.
A kind of database backup system, including DB Backup device that any one is above-mentioned.
Based on the above-mentioned technical proposal, this application provides a kind of database backup methods, obtain data clothes to be backed up first
The partitioning scenario list of the object table of business device determines and the partitioning scenario list pair then according to the partitioning scenario list
The data answered are data to be backed up.It can be seen that data backup scenario provided by the invention does not back up full dose table, but pass through
Object table is extracted in full dose table, and the data volume of the object table will be much smaller than the data volume of full dose table, and it is based on the target
Table, obtains the data of corresponding subregion, therefore can fast implement the backup to data.
Description of the drawings
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of application for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is a kind of structural framing figure of database backup system provided by the embodiments of the present application；
Fig. 2 is a kind of flow diagram of database backup method provided by the embodiments of the present application；
Fig. 3 is a kind of another flow diagram of database backup method provided by the embodiments of the present application；
Fig. 4 is a kind of another flow diagram of database backup method provided by the embodiments of the present application；
Fig. 5 is a kind of idiographic flow schematic diagram of database backup method provided by the embodiments of the present application；
Fig. 6 is a kind of structural schematic diagram of DB Backup device provided by the embodiments of the present application；
Fig. 7 is a kind of another structural schematic diagram of DB Backup device provided by the embodiments of the present application；
Fig. 8 is a kind of another structural schematic diagram of DB Backup device provided by the embodiments of the present application；
Fig. 9 is a kind of hardware schematic of database backup system provided by the embodiments of the present application.
Specific implementation mode
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of embodiments of the present application, instead of all the embodiments.It is based on
Embodiment in the application, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall in the protection scope of this application.
Fig. 1 is a kind of structural framing figure of database backup system provided by the embodiments of the present application, data shown in the figure
Library backup system can be used to implement a kind of database backup method provided by the embodiments of the present application.Referring to Fig.1, a kind of data
Library backup system may include：Backup server 100 and multiple child servers 200；
Wherein, server is the service equipment that network side can carry out data backup, may be multiple servers composition
Server cluster, it is also possible to single server.
Based on a kind of database backup system shown in FIG. 1, below from the angle of server to one kind provided by the present application
Database backup method is introduced.As shown in Fig. 2, being a kind of flow of database backup method provided by the embodiments of the present application
Figure, this method may include：
S21, obtain data server to be backed up object table partitioning scenario list.
Wherein, the present embodiment additionally provides a kind of partitioning scenario list for the object table obtaining data server to be backed up
Step is implemented, as shown in figure 3, including:
The table inventory of S31, the partitioning scenario list for obtaining full dose table and data server to be backed up；
S32, according to the table inventory of the data server to be backed up, determine institute from the partitioning scenario list of full dose table
State the partitioning scenario list of object table.
Specifically, in data server, full dose table includes all situations of data, and this step obtain it is to be backed up
After the inventory of data server, the object table for meeting Fig. 4 formats, the partitioning scenario list of the object table are extracted from full dose table
Including at least table name, partitioning key values, number of partitions and remarks.
From the acquisition process of object table it is not difficult to find that the data volume of object table is much smaller than the data volume of full dose table, therefore,
When subsequent data backup, subregion that can directly where searching corresponding data in object table, to be rapidly obtained
The data to be backed up of corresponding subregion, then carry out data backup.
S22, according to the partitioning scenario list, determine that data corresponding with the partitioning scenario list are number to be backed up
According to.
Wherein, partitioning scenario list includes table name and partitioning key values, meanwhile, the table of data server to be backed up is clear
Include therefore table name is only used in and finds out the corresponding partitioning key values of table name of data server to be backed up in object table i.e. in list
Can, it then obtains data corresponding with the partitioning key values and is copied.
Specifically, the present embodiment additionally provides a kind of according to the partitioning scenario list, determines and arranged with the partitioning scenario
The corresponding data of table are the specific implementation step of data to be backed up, as shown in figure 4, including：
S41, according to the partitioning key values, the object table of the data server to be backed up is divided into partition table and non-
Partition table；
S42, partition table mirror-image copies operation is generated, and obtains the first mesh corresponding with the partition table mirror-image copies operation
Mark data；
S43, case of non-partitioned tables mirror-image copies operation is generated, and obtains corresponding with the case of non-partitioned tables mirror-image copies operation the
Two target datas；
S44, determine that the first object data and second target data are data to be backed up.
Schematically, by taking the server of a bank as an example, incorporated by reference to Fig. 5, to DB Backup provided in this embodiment
The execution flow of method illustrates.Wherein, the module in left side is the template pre-defined in figure, is located at right side in figure
Module be generation product positioned at intermediate main flow, specially：
Current bank is found in total environment table first, then generates the object table of current bank corresponding server,
Then day night table partitioning scenario list i.e. in figure finds data to be backed up according in the day night table partitioning scenario list
Place subregion is read out backup.Wherein it is possible to regenerate case of non-partitioned tables mirror image after being preferentially produced partition table mirror-image copies operation
Copy operation.
It should be noted that in the present embodiment, the partition table mirror-image copies can be generated according to preset table template
Operation and the case of non-partitioned tables mirror-image copies operation.
As it can be seen that data backup scenario provided by the invention does not back up full dose table, but by being carried in full dose table
Object table is taken out, and the data volume of the object table will be much smaller than the data volume of full dose table, and it is based on the object table, obtain corresponding point
The data in area, therefore the backup to data can be fast implemented.
Server provided by the embodiments of the present application is introduced below, server described below with above with server
A kind of database backup method of angle description corresponds reference.As shown in fig. 6, to present embodiments provide a kind of database
Back-up device, including：
Acquisition module 61, the partitioning scenario list of the object table for obtaining data server to be backed up, the subregion feelings
Condition list includes at least table name, partitioning key values, number of partitions and remarks；
Determining module 62, for according to the partitioning scenario list, determining data corresponding with the partitioning scenario list
For data to be backed up.
Optionally, as shown in fig. 7, the acquisition module 61 includes:
The table of first acquisition unit 71, partitioning scenario list and data server to be backed up for obtaining full dose table is clear
It is single；
First determination unit 72, for the table inventory according to the data server to be backed up, from the subregion feelings of full dose table
The partitioning scenario list of the object table is determined in condition list.
Optionally, as shown in figure 8, the determining module 62 includes：
Division unit 81, for according to the partitioning key values, the object table of the data server to be backed up to be divided into
Partition table and case of non-partitioned tables；
Second acquisition unit 82 for generating partition table mirror-image copies operation, and obtains and the partition table mirror-image copies
The corresponding first object data of operation；
Third acquiring unit 83 for generating case of non-partitioned tables mirror-image copies operation, and obtains and the case of non-partitioned tables mirror image
Corresponding second target data of copy operation；
Second determination unit 84, for determining that the first object data and second target data are number to be backed up
According to.
Its operation principle is referring to above method embodiment, not repeated description herein.
Above-described is the software function module framework of server, and on the hardware configuration of server, server can lead to
It crosses under type such as and realizes a kind of DB Backup scheme；
Fig. 9 is the hardware block diagram of server provided by the embodiments of the present application, and with reference to Fig. 9, which may include：
Processor 91, communication interface 92, memory 93 and communication bus 94；
Wherein processor 91, communication interface 92, memory 93 complete mutual communication by communication bus 94；
Optionally, communication interface 92 can be the interface of communication module, such as the interface of gsm module；
Processor 91, for executing program；
Memory 93, for storing program；
Program may include program code, and said program code includes computer-managed instruction.
Processor 91 may be a central processor CPU or specific integrated circuit ASIC (Application
Specific Integrated Circuit), or be arranged to implement the integrated electricity of one or more of the embodiment of the present application
Road.
Memory 93 may include high-speed RAM memory, it is also possible to further include nonvolatile memory (non-volatile
Memory), a for example, at least magnetic disk storage.
Wherein, program can be specifically used for：
The partitioning scenario list of the object table of data server to be backed up is obtained, the partitioning scenario list includes at least table
Name, partitioning key values, number of partitions and remarks；
According to the partitioning scenario list, determine that data corresponding with the partitioning scenario list are data to be backed up.
Optionally, the partitioning scenario list of the object table for obtaining data server to be backed up, including:
Obtain the partitioning scenario list of full dose table and the table inventory of data server to be backed up；
According to the table inventory of the data server to be backed up, the mesh is determined from the partitioning scenario list of full dose table
Mark the partitioning scenario list of table.
Optionally, described according to the partitioning scenario list, determine that data corresponding with the partitioning scenario list are to wait for
Backup Data, including：
According to the partitioning key values, the object table of the data server to be backed up is divided into partition table and case of non-partitioned
Table；
Partition table mirror-image copies operation is generated, and obtains first object number corresponding with the partition table mirror-image copies operation
According to；
Case of non-partitioned tables mirror-image copies operation is generated, and obtains the second mesh corresponding with the case of non-partitioned tables mirror-image copies operation
Mark data；
Determine that the first object data and second target data are data to be backed up.
Optionally, according to preset table template, the partition table mirror-image copies operation and the case of non-partitioned watch mirror are generated
As copy operation.
In conclusion this application provides a kind of database backup method, apparatus and system, which obtains first
The partitioning scenario list of the object table of data server to be backed up determines and described point then according to the partitioning scenario list
Situation list corresponding data in area's are data to be backed up.It can be seen that data backup scenario provided by the invention is not standby to the progress of full dose table
Part, but by extracting object table in full dose table, and the data volume of the object table will be much smaller than the data volume of full dose table, and
Based on the object table, the data of corresponding subregion are obtained, therefore the backup to data can be fast implemented.
Each embodiment is described by the way of progressive in this specification, the highlights of each of the examples are with other
The difference of embodiment, just to refer each other for identical similar portion between each embodiment.For device disclosed in embodiment
For, since it is corresponded to the methods disclosed in the examples, so description is fairly simple, related place is said referring to method part
It is bright.
Professional further appreciates that, unit described in conjunction with the examples disclosed in the embodiments of the present disclosure
And algorithm steps, can be realized with electronic hardware, computer software, or a combination of the two, in order to clearly demonstrate hardware and
The interchangeability of software generally describes each exemplary composition and step according to function in the above description.These
Function is implemented in hardware or software actually, depends on the specific application and design constraint of technical solution.Profession
Technical staff can use different methods to achieve the described function each specific application, but this realization is not answered
Think to exceed scope of the present application.
The step of method described in conjunction with the examples disclosed in this document or algorithm, can directly be held with hardware, processor
The combination of capable software module or the two is implemented.Software module can be placed in random access memory (RAM), memory, read-only deposit
Reservoir (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technology
In any other form of storage medium well known in field.
The foregoing description of the disclosed embodiments enables professional and technical personnel in the field to realize or use the application.
Various modifications to these embodiments will be apparent to those skilled in the art, as defined herein
General Principle can in other embodiments be realized in the case where not departing from spirit herein or range.Therefore, the application
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest range caused.
Claims (8)
1. a kind of database backup method, which is characterized in that including：
Obtain the partitioning scenario list of the object table of data server to be backed up, the partitioning scenario list include at least table name,
Partitioning key values, number of partitions and remarks；
According to the partitioning scenario list, determine that data corresponding with the partitioning scenario list are data to be backed up.
2. database backup method according to claim 1, which is characterized in that the acquisition data server to be backed up
The partitioning scenario list of object table, including:
Obtain the partitioning scenario list of full dose table and the table inventory of data server to be backed up；
According to the table inventory of the data server to be backed up, the object table is determined from the partitioning scenario list of full dose table
Partitioning scenario list.
3. database backup method according to claim 1, which is characterized in that it is described according to the partitioning scenario list,
Determine that data corresponding with the partitioning scenario list are data to be backed up, including：
According to the partitioning key values, the object table of the data server to be backed up is divided into partition table and case of non-partitioned tables；
Partition table mirror-image copies operation is generated, and obtains first object data corresponding with the partition table mirror-image copies operation；
Case of non-partitioned tables mirror-image copies operation is generated, and obtains the second number of targets corresponding with the case of non-partitioned tables mirror-image copies operation
According to；
Determine that the first object data and second target data are data to be backed up.
4. database backup method according to claim 3, which is characterized in that according to preset table template, described in generation
The operation of partition table mirror-image copies and the case of non-partitioned tables mirror-image copies operation.
5. a kind of DB Backup device, which is characterized in that including：
Acquisition module, the partitioning scenario list of the object table for obtaining data server to be backed up, the partitioning scenario list
Including at least table name, partitioning key values, number of partitions and remarks；
Determining module, for according to the partitioning scenario list, determining that data corresponding with the partitioning scenario list are standby to wait for
Part data.
6. DB Backup device according to claim 1, which is characterized in that the acquisition module includes:
First acquisition unit, the table inventory of partitioning scenario list and data server to be backed up for obtaining full dose table；
First determination unit, for the table inventory according to the data server to be backed up, from the partitioning scenario list of full dose table
In determine the partitioning scenario list of the object table.
7. DB Backup device according to claim 1, which is characterized in that the determining module includes：
Division unit, for according to the partitioning key values, the object table of the data server to be backed up to be divided into partition table
And case of non-partitioned tables；
Second acquisition unit for generating partition table mirror-image copies operation, and obtains and the partition table mirror-image copies operation pair
The first object data answered；
Third acquiring unit for generating case of non-partitioned tables mirror-image copies operation, and obtains and makees with the case of non-partitioned tables mirror-image copies
Corresponding second target data of industry；
Second determination unit, for determining that the first object data and second target data are data to be backed up.
8. a kind of database backup system, which is characterized in that include that database as described in any one of claim 5-7 is standby
Part device.
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| CN201810213599.5A CN108491294B (en) | 2018-03-15 | 2018-03-15 | Database backup method, device and system |
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| Publication number | Publication date |
|---|---|
| CN108491294B (en) | 2022-11-25 |
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