CN105653652B - A kind of method of data synchronization and system - Google Patents
A kind of method of data synchronization and system Download PDFInfo
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- CN105653652B CN105653652B CN201511004761.5A CN201511004761A CN105653652B CN 105653652 B CN105653652 B CN 105653652B CN 201511004761 A CN201511004761 A CN 201511004761A CN 105653652 B CN105653652 B CN 105653652B
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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
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- G06F16/245—Query processing
- G06F16/2453—Query optimisation
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- 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 invention discloses a kind of method of data synchronization and systems, belong to data synchronization technology field；Method includes: step S1, obtains data operation request, and the query time to operation data；Data operation request is included in the request batch of corresponding period according to corresponding query time by step S2；Step S3, inquiry obtains the data volume that the period of corresponding request batch includes in the first storage unit, and judge whether data volume is greater than preset data amount: if, multiple data batches will be then divided into operation data as unit of preset data amount, and each data batch is transmitted to one second storage unit；If it is not, needed operation data is then transmitted to the second storage unit.System includes: the first storage unit, setting unit, acquiring unit, division unit, query unit, judging unit and processing unit.The beneficial effect of above-mentioned technical proposal is: promoting inquiry response speed, promotes the usage experience of user.
Description
Technical field
The present invention relates to data synchronization technology field more particularly to a kind of method of data synchronization and systems.
Background technique
With the development of e-commerce, more and more people's selection carried out on network trading platform daily shopping transaction with
And other various types of transaction.With being continuously increased for network trading amount, the transaction data amount that is stored in electric quotient data library
Also it is being stepped up.In this case, if trade company needs to carry out the inquiry or downloading of transaction data, what is usually faced is sea
The data storage capacity of amount, thus can because of a variety of causes (such as the data volume that requires to look up it is excessive to occupy database compared with
More query statements, or the data volume of downloading are excessive to occupy excessive hardware resource) make database receive inquiry
Or response when downloading request is very slow, or even the case where crashes, therefore the efficiency that reduction is inquired, and reduces user
Usage experience.
Summary of the invention
According to the above-mentioned problems in the prior art, the technical solution of a kind of method of data synchronization and system is now provided,
It is intended to be promoted inquiry response speed, improves query processing efficiency, to promote the usage experience of user.
Above-mentioned technical proposal specifically includes:
A kind of method of data synchronization, wherein including one first storage unit, for save to operation data and it is described to
The query time of operation data；
Multiple and different periods, and one preset data amount of setting is respectively set, further includes:
Step S1 obtains externally input multiple data operation requests, and is respectively associated in each data manipulation
The query time to operation data of request；
Multiple data operation requests are respectively included in and correspond to not according to the corresponding query time by step S2
In the request batch of the same period；
Inquiry obtained in the period of the corresponding one request batch in the first storage unit of step S3, Yu Suoshu
To the data volume of operation data including described in, and judge whether the data volume is greater than the preset data amount:
If so, as unit of the preset data amount will inquiry obtain described in operation data be divided into multiple data
Batch, and each data batch is successively transmitted to one second storage unit, then according to the data operation request into
Row operation；
If it is not, then all described being transmitted to second storage unit, subsequent foundation to operation data for what inquiry obtained
The data operation request is operated；
Step S4 turns to next request batch, and returns to the step S3.
Preferably, method of data synchronization, wherein the data operation request includes:
For the inquiry request to operation data；And/or
It is requested for the downloading to operation data.
Preferably, method of data synchronization, wherein the period is divided as unit of per hour；Or
The period is divided as unit of daily；Or
The period is divided as unit of monthly.
Preferably, method of data synchronization, wherein right to each described the generation of request batch one in the step S2
The batch number answered, and be recorded in corresponding synchronization log, so that user inquires synchronous progress.
Preferably, method of data synchronization, wherein the preset data amount is described in 5000 to operation data.
A kind of data synchronous system, wherein include:
First storage unit, for saving to operation data and the query time to operation data；
Setting unit, for multiple and different periods, and one preset data amount of setting to be respectively set；
Acquiring unit obtains externally input multiple data operation requests, and is respectively associated and grasps in each data
Make the query time to operation data requested；
Division unit is separately connected the setting unit and the acquiring unit, when for according to the corresponding inquiry
Between, multiple data operation requests are respectively included in the request batch of the corresponding different period；
Query unit is separately connected the division unit and first storage unit, for single in first storage
Inquiry obtains the data volume to operation data for including in the period of the corresponding one request batch in member；
Judging unit is separately connected the query unit and the setting unit, for judging whether the data volume is big
In the preset data amount, and export judging result；
Processing unit, connection judgment unit, and one second storage unit of connection, for according to the judging result:
When the data volume is greater than the preset data amount, obtained institute will be inquired as unit of the preset data amount
It states and is divided into multiple data batches to operation data, and each data batch is successively transmitted to one second storage unit,
Then operated according to the data operation request；And
When the data volume is not more than the preset data amount, inquiry is obtained all described to operation data transmission
To second storage unit, then operated according to the data operation request.
Preferably, data synchronous system, wherein the data operation request includes:
For the inquiry request to operation data；And/or
It is requested for the downloading to operation data.
Preferably, data synchronous system, wherein the period is divided as unit of per hour；Or
The period is divided as unit of daily；Or
The period is divided as unit of monthly.
Preferably, data synchronous system, wherein include: in the division unit
Mark module for generating a corresponding batch number to each request batch, and is recorded in corresponding same
It walks in log, so that user inquires synchronous progress.
Preferably, data synchronous system, wherein the preset data amount is described in 5000 to operation data.
The beneficial effect of above-mentioned technical proposal is:
1) a kind of method of data synchronization is provided, inquiry response speed is able to ascend, improves query processing efficiency, to be promoted
The usage experience of user；
2) a kind of data synchronous system is provided, can support to realize above-mentioned method of data synchronization.
Detailed description of the invention
Fig. 1 is a kind of overall procedure schematic diagram of method of data synchronization in preferred embodiment of the invention；
Fig. 2 is a kind of general structure schematic diagram of data synchronous system in preferred embodiment of the invention；
Fig. 3 is in preferred embodiment of the invention, on the basis of Fig. 2, division unit in data synchronous system
Structural schematic diagram.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art without creative labor it is obtained it is all its
His embodiment, shall fall within the protection scope of the present invention.
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
The present invention will be further explained below with reference to the attached drawings and specific examples, but not as the limitation of the invention.
Based on the above defect in the prior art, an inquiry independently of database would generally be used at present
Database, and data are synchronized in inquiry database and specially inquires or downloads for user.But due to electric business number
It is usually very big according to the data volume of the transaction data saved in library, the data in database are synchronized to another inquiry data
Equally it can lead to system response slowly because of excessive hardware resource and occupancy part SQL query statement is occupied in library, not
Defect existing in the prior art mentioned hereinabove can fundamentally be changed.
In preferred embodiment of the invention, based on the problems of the prior art being mentioned above, one is now provided
Kind of method of data synchronization includes one first storage unit, for saving to operation data and to operand in this method first
According to query time；
Multiple and different periods, and one preset data amount of setting is respectively set.
Then as shown in Figure 1, above-mentioned method of data synchronization specifically includes:
Step S1 obtains externally input multiple data operation requests, and is respectively associated in each data operation request
The query time to operation data；
Multiple data operation requests are respectively included in the corresponding different time according to corresponding query time by step S2
In the request batch of section；
Step S3, in the first storage unit inquiry obtain including in the period of corresponding request batch wait operate
The data volume of data, and judge whether data volume is greater than preset data amount:
If so, multiple data batches are divided into operation data by what inquiry obtained as unit of preset data amount, and
Each data batch is successively transmitted to one second storage unit, is then operated according to data operation request；
If it is not, the needed operation data that inquiry obtains then is transmitted to the second storage unit, then according to data manipulation
Request is operated；
Step S4 turns to next request batch, and return step S3.
In a specific embodiment, first storage unit is set first, it is above-mentioned to operation data as storing
Database.So-called can be different data according to different field operations to operation data, such as in electric quotient data library,
Above-mentioned to operation data can be transaction data.
In this embodiment, multiple and different periods, and one preset data amount of setting are preset.
In this embodiment, externally input multiple data operation requests are obtained first.So-called data operation request, wherein
It may include to the above-mentioned inquiry request inquired to operation data, also may include being downloaded to above-mentioned to operation data
Downloading request.After obtaining above-mentioned multiple data operation requests, it is corresponding to operation data to obtain each data operation request
Query time.Above-mentioned query time can be the time that user inputs while input data operation requests, such as using
Person wish to inquire XX XX month XX day to operation data, then should " XX XX month XX day " with regard to being to correspond to the data operation request
Query time.
In this embodiment, multiple data operation requests are being obtained, and is respectively corresponding looking into for each data operation request
After asking the time, according to different query times, multiple data operation requests are respectively included in asking for corresponding different period
It asks in batch.For example, dividing the period as unit of one day, then query time can be in multiple data manipulations on the same day
Request is included in the same request batch.Large number of data operation request can be divided into including not by aforesaid operations
In same request batch, to complete operation for the first time in batches.
In this embodiment, then, further, each request batch is judged respectively: one request batch of selection
It is secondary, and according to the period of the corresponding request batch, judge to save in the period in above-mentioned first storage unit wait operate
The data volume of data.The inquiry of the above-mentioned data volume carried out in advance, it is only necessary to inquire and be deposited in special time period above-mentioned first
The data volume saved in storage unit, therefore do not need to expend too many system resource.In above-mentioned steps S3, inquiry is closed
Be coupled to one request batch after the data volume of operation data, which is compared with above-mentioned preset data amount:
If inquiring obtained data volume is greater than above-mentioned preset data amount, then it represents that the corresponding data volume mistake of the request batch
Greatly, need to carry out it is secondary in batches.Batch operation is carried out to the data volume that inquiry obtains according to above-mentioned preset data amount at this time.Example
Such as, preset data amount is 5000, and inquiring obtained data volume is 20000, well beyond preset data amount.Then with
5000 are split for the data volume to operation data obtained according to the inquiry to 20000, i.e., obtain above-mentioned inquiry
Be divided into 1-5000,5001-1000,10001-15000 and 15001-20000 tetra- batches to operation data, and be sequentially placed into
In one second storage unit.In the other embodiment of the present invention, above-mentioned preset data amount can also be other preset values, with one
It is best such as the above preset that the secondary total amount of data transmitted to the second storage unit, which will not occupy too many system resource,
Data volume is 5000, and the practical data volume for being about 4M will not occupy too many system resource in transmission process.
Then above-mentioned second storage unit is an inquiry database.It is synchronized to when to operation data from the first storage unit
After second storage unit, so that it may be supplied to user according to the data operation request inputted before and carry out corresponding operation.
In conclusion in technical solution of the present invention, by being drawn twice to the data operation request of substantial amounts in batches
Point, to mitigate the inquiry and downloading burden of database, avoid the problem that operating lag or operation crash.
In preferred embodiment of the invention, as mentioned above it is possible, the above-mentioned period can be drawn as unit of daily
Point, i.e., different above-mentioned data operation requests is divided into including in different request batches according to the different dates.
In another preferred embodiment of the invention, the above-mentioned period can also be divided as unit of per hour,
Different above-mentioned data operation requests is divided into including in different request batches according to different hours.
In another preferred embodiment of the invention, the above-mentioned period can also be divided as unit of monthly, i.e.,
Different above-mentioned data operation requests is divided into including in different request batches according to different months.
In the other embodiment of the present invention, the above-mentioned period can also be drawn as unit of other suitable time dimensions
Point.
Above-mentioned a variety of division modes are practical to have respectively corresponded different dividing precisions, negative to agree with the current inquiry of system
It carries.Such as system it is current data operation request it is more, the query load of system is heavier, can choose more accurate draw at this time
Point mode, such as divided as unit of daily or per hour, to guarantee the data behaviour for including in each request batch
Make request and is unlikely to excessive.Correspondingly, the current data operation request of system is less, and the query load of system is lighter, at this time may be used
It is divided with selection than broad division mode, such as unit of monthly.
Above-mentioned a variety of division modes may also used to agree with the current query context of system.Such as the data that system is current
The corresponding query context of operation requests is relatively narrow, such as query context relates only to the data volume of one day or several days, at this time can be with
It selects more accurate division mode, such as is divided as unit of daily or per hour.Correspondingly, the current number of system
It is wider according to the corresponding query context of operation requests, such as query context is related to even several years data volumes some months, at this time may be used
It is divided with selection than broad division mode, such as unit of monthly.
In preferred embodiment of the invention, when setting the division mode of above-mentioned period, it can comprehensively consider above-mentioned
Two factors.
In preferred embodiment of the invention, in above-mentioned steps S2, a corresponding batch is generated to each request batch
Number, and be recorded in corresponding synchronization log, so that user inquires synchronous progress.
In a preferred embodiment of the invention, synchronous 2015-10-01 to 2015- is needed according to data operation request
10-15 to operation data.The period can be divided as unit of daily at this time, data operation request is wrapped respectively
Include batch number be 20151001,20151002 ..., in 20151015 different request batches.For all request batches
Establish a batch list, and recycle batch list, respectively to including each request batch inquire its corresponding time
It include the size of the data volume in the first storage unit in section.Assuming that being stored in for first period (20151001)
Total amount of data in first storage unit is 10000, preset data amount is 2000 at this time, then by this total amount of data to
Operation data is divided into: the 1-2000 articles, the 2001-4000 articles, the 4001-6000 articles, the 6001-8000 articles and
This five batches of 8001-10000 item, and batchwise transfer is into above-mentioned second storage unit, for user's inquiry or under
It carries.In the embodiment, the data (often taking 2000 datas) of a batch are often taken just to synchronize into the second storage unit primary,
And Installed System Memory is discharged after synchronously completing, this ensures that in the transmission operation occupancy of the data volume of only one batch
It deposits.
In preferred embodiment of the invention, based on the above method of data synchronization, it is same also to provide a kind of data
Step system, structure are specifically as shown in Figure 2, comprising:
First storage unit 1, for saving to operation data and to the query time of operation data；
Setting unit 2, for multiple and different periods, and one preset data amount of setting to be respectively set；
Acquiring unit 3 obtains externally input multiple data operation requests, and is respectively associated and asks in each data manipulation
The query time to operation data asked；
Division unit 4 is separately connected setting unit 2 and acquiring unit 3, is used for according to corresponding query time, will be multiple
Data operation request is respectively included in the request batch of corresponding different period；
Query unit 5 is separately connected division unit 4 and the first storage unit 1, for inquiring in the first storage unit 1
Obtain the data volume to operation data for including in the period of corresponding request batch；
Judging unit 6 is separately connected query unit 5 and setting unit 2, for judging whether data volume is greater than preset data
Amount, and export judging result；
Processing unit 7, connection judgment unit 6, and one second storage unit 8 of connection, for according to judging result:
When data volume is greater than preset data amount, divided what inquiry obtained to operation data as unit of preset data amount
For multiple data batches, and each data batch is successively transmitted to one second storage unit 8, then according to data operation request
It is operated；And
When data volume is not more than preset data amount, the needed operation data that inquiry obtains is transmitted to the second storage list
Member 8 is then operated according to data operation request.
In preferred embodiment of the invention, as mentioned above it is possible, data operation request includes:
For the inquiry request to operation data；And/or
For the downloading request to operation data.
In preferred embodiment of the invention, as mentioned above it is possible, the period is divided as unit of per hour；Or
Period is divided as unit of daily；Or
Period is divided as unit of monthly.
In preferred embodiment of the invention, as shown in figure 3, above-mentioned division unit 4 further comprises:
Mark module 41 for generating a corresponding batch number to each request batch, and is recorded in corresponding synchronization
In log, so that user inquires synchronous progress.
In preferred embodiment of the invention, such as above, above-mentioned preset data amount is 5000 to operation data.
The foregoing is merely preferred embodiments of the present invention, are not intended to limit embodiments of the present invention and protection model
It encloses, to those skilled in the art, should can appreciate that all with made by description of the invention and diagramatic content
Equivalent replacement and obviously change obtained scheme, should all be included within the scope of the present invention.
Claims (10)
1. a kind of method of data synchronization, which is characterized in that including one first storage unit, for saving to operation data and institute
State the query time to operation data；
Multiple and different periods, and one preset data amount of setting is respectively set, further includes:
Step S1 obtains externally input multiple data operation requests, and is respectively associated in each data operation request
The query time to operation data；
It is different to be respectively included in correspondence according to the corresponding query time by step S2 for multiple data operation requests
In the request batch of the period；
Inquiry, which obtains corresponding in a period for requesting batch, in the first storage unit of step S3, Yu Suoshu includes
The data volume to operation data, and judge whether the data volume is greater than the preset data amount:
If so, as unit of the preset data amount will inquiry obtain described in operation data be divided into multiple data batch
It is secondary, and each data batch is successively transmitted to one second storage unit, then carried out according to the data operation request
Operation；
If it is not, then by inquiry obtain it is all it is described be transmitted to second storage unit to operation data, then according to described in
Data operation request is operated；
Step S4 turns to next request batch, and returns to the step S3.
2. method of data synchronization as described in claim 1, which is characterized in that the data operation request includes:
For the inquiry request to operation data；And/or
It is requested for the downloading to operation data.
3. method of data synchronization as described in claim 1, which is characterized in that the period is drawn as unit of per hour
Point；Or
The period is divided as unit of daily；Or
The period is divided as unit of monthly.
4. method of data synchronization as described in claim 1, which is characterized in that in the step S2, to each request batch
One corresponding batch number of secondary generation, and be recorded in corresponding synchronization log, so that user inquires synchronous progress.
5. method of data synchronization as described in claim 1, which is characterized in that the preset data amount is described in 5000 wait grasp
Make data.
6. a kind of data synchronous system characterized by comprising
First storage unit, for saving to operation data and the query time to operation data；
Setting unit, for multiple and different periods, and one preset data amount of setting to be respectively set；
Acquiring unit obtains externally input multiple data operation requests, and is respectively associated and asks in each data manipulation
The query time to operation data asked；
Division unit is separately connected the setting unit and the acquiring unit, is used for according to the corresponding query time, will
Multiple data operation requests are respectively included in the request batch of the corresponding different period；
Query unit is separately connected the division unit and first storage unit, in first storage unit
Inquiry obtains the data volume to operation data for including in the period of the corresponding one request batch；
Judging unit is separately connected the query unit and the setting unit, for judging whether the data volume is greater than institute
Preset data amount is stated, and exports judging result；
Processing unit, connection judgment unit, and one second storage unit of connection, for according to the judging result:
The data volume be greater than the preset data amount when, as unit of the preset data amount will inquiry obtain described in
Operation data is divided into multiple data batches, and each data batch is successively transmitted to one second storage unit, then
It is operated according to the data operation request；And
When the data volume is not more than the preset data amount, all described institute is transmitted to operation data for what inquiry obtained
The second storage unit is stated, is then operated according to the data operation request.
7. data synchronous system as claimed in claim 6, which is characterized in that the data operation request includes:
For the inquiry request to operation data；And/or
It is requested for the downloading to operation data.
8. data synchronous system as claimed in claim 6, which is characterized in that the period is drawn as unit of per hour
Point；Or
The period is divided as unit of daily；Or
The period is divided as unit of monthly.
9. data synchronous system as claimed in claim 6, which is characterized in that include: in the division unit
Mark module for generating a corresponding batch number to each request batch, and is recorded in corresponding synchronous day
In will, so that user inquires synchronous progress.
10. data synchronous system as claimed in claim 6, which is characterized in that the preset data amount be 5000 described in
Operation data.
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| CN107943832A (en) * | 2017-10-23 | 2018-04-20 | 中国联合网络通信集团有限公司 | Method for processing business and device |
| CN108564524A (en) * | 2018-04-24 | 2018-09-21 | 开放智能机器（上海）有限公司 | A kind of convolutional calculation optimization method of visual pattern |
| CN109639811B (en) * | 2018-12-21 | 2022-01-25 | 北京金山云网络技术有限公司 | Data transmission method, data storage method, device, server and storage medium |
| CN109802952B (en) * | 2018-12-28 | 2021-08-20 | 视联动力信息技术股份有限公司 | Monitoring data synchronization method and device |
| CN111211876B (en) * | 2020-01-02 | 2021-10-12 | 支付宝(杭州)信息技术有限公司 | Method and device for sending response message aiming at data request and block chain system |
| CN117252655A (en) * | 2023-11-20 | 2023-12-19 | 畅捷通信息技术股份有限公司 | Invoice downloading method, invoice downloading device, computing equipment and storage medium |
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