CN109299175A - Database Dynamic extended method, system, device and storage medium - Google Patents

Database Dynamic extended method, system, device and storage medium Download PDF

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CN109299175A
CN109299175A CN201811121786.7A CN201811121786A CN109299175A CN 109299175 A CN109299175 A CN 109299175A CN 201811121786 A CN201811121786 A CN 201811121786A CN 109299175 A CN109299175 A CN 109299175A
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data source
write
configuration
database
high concurrent
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CN201811121786.7A
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CN109299175B (en
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李晶
徐光超
陈大平
李泽龙
涂彦
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China Construction Bank Corp
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China Construction Bank Corp
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Abstract

The present invention provides a kind of Database Dynamic extended method, system, device and storage medium, which comprises configuration and the consistent emergency data base resource of operating system cluster;Before high concurrent transaction scene occurs, growth data source is configured according to the emergency data base resource;When high concurrent transaction scene occurs, read-write configuration processing is adjusted according to custom order;After high concurrent transaction scene occurs, according to the corresponding relationship of basic data source in the growth data source and the operating system, carries out data time and lead processing.The present invention realizes the Data expansion of database and reduces system maintenance cost by the read-write data processing in the high concurrent period to the extending transversely of database and configuration particular order.

Description

Database Dynamic extended method, system, device and storage medium
Technical field
The present invention relates to data processing fields, in particular to a kind of Database Dynamic extended method, system, device And storage medium.
Background technique
Third-party payment company and banking system utilize 3DES encryption skill according to the XML specification assembling interaction data of agreement Art carries out data encryption, then is communicated by HTTP protocol.XML is computer extensible markup language to understand Speech, is a kind of for marking electronic document to make it have structural markup language.3DES is that symmetric encipherment algorithm is improved A kind of Encryption Algorithm, symmetric encipherment algorithm originally use 56 symmetric keys, and there are security risks, and 3DES is on this basis It is improved, using 168 symmetric keys, symmetric cryptography three times has been carried out to data.HTTP is the contracting of hypertext transfer protocol It writes, is a standard of client and server end request and response.
Quick payment business is Third-party payment company and bank under the background that internet electric business, mobile payment are risen Cooperate the convenient payment transaction of one kind of joint development.Client need to only complete customer information certification when paying first time, i.e., The information such as typing account, mobile phone, passport NO., name, are forwarded to department of banking through third party on Third-party payment company platform System completes customer information certification, and in subsequent payment process, client no longer needs to input these information, only need to be in Third-party payment Reserved payment cipher is inputted on platform can complete to pay.Quick payment is under internet electric business, mobile payment background because of it Extremely convenient customer experience is widely used, and in recent years, each business bank builds up related system successively, with regard to the author institute In bank, quick payment system daily trading volume occupies entire payment transaction major part up to more than 100,000,000, meanwhile, which fast props up The business of paying is always maintained at the level of industry first.Huge trading volume brings huge pressure to system database access, Especially " electric business such as double 11 " promote day, and system database is easier bottleneck occur.System to database have it is powerful according to Lai Xing, once bottleneck occurs in database, entire payment flow is just both possible to be interrupted, to be easy to lead to the different of account Cause property.Therefore, how under high concurrent and the unbroken situation of system, solve database bottleneck, be the invention solves ask Topic.
Under the prior art, database usually is reduced by using the method for multiple database tables and multiple database tables Inadequate resource bring influences, but in the case that " when high concurrent as double 11 ", even the database resource distributed in advance It is also possible to handling capacity deficiency occur, is limited to cost and is also impossible to distribute very more databases for system.
In general, payment system can all use data-base recording to pay flowing water information, it is used as reimbursement voucher and repeats order inspection Foundation is looked into, however, its system performance bottleneck but often focuses on the database resource under high concurrent scene, on the one hand record flows The logic of water and inspection flowing water cannot be cut, and on the other hand frequently access database but will lead to the fast of the resources such as CPU and memory Speed consumption, causes system to respond slack-off or even delay machine.By taking bank's quick payment system as an example, encounters double big rush of the electric business such as 11 and live Dynamic, average daily trading volume is doubled and redoubled, and especially kills movable moment in the second on schedule, and millions of client on-line payment simultaneously is handed over Easily there is blowout in a very short period of time in amount, and database CPU usage rises violently rapidly, and the SQL execution time is elongated, final transaction time-out Even failure.Finally, client misses a second murderous intention meeting because of banking system low-response, subsequent not use the row related service, And banking system the danger such as delay machine, service disconnection may also can occur because pressure is excessive.It is worth noting that, such extreme Scene only will appear one to twice every year, and each duration only has short dozens of minutes, presses if payment system is daily It designs and disposes according to extreme scenes, it will cause the huge waste of resource.
Summary of the invention
It is situated between in order to solve the above technical problems, the present invention provides a kind of Database Dynamic extended method, system, device and storage Matter solves the problems, such as that current payment systems maintenance cost is low and the wasting of resources.
According to a first aspect of the embodiments of the present invention, a kind of Database Dynamic extended method is provided, which comprises
Configuration and the consistent emergency data base resource of operating system cluster;
Before high concurrent transaction scene occurs, growth data source is configured according to the emergency data base resource;
When high concurrent transaction scene occurs, read-write configuration processing is adjusted according to custom order;
After high concurrent transaction scene occurs, according to basic data in the growth data source and the operating system The corresponding relationship in source carries out data time and leads processing.
According to a second aspect of the embodiments of the present invention, a kind of Database Dynamic expansion system, the system comprises:
Configuration module, for configuring and the consistent emergency data base resource of operating system cluster;
Expansion module, for configuring spreading number according to the emergency data base resource before high concurrent transaction scene occurs According to source;
Module is adjusted, for being adjusted at read-write configuration according to custom order when high concurrent transaction scene occurs Reason;And
Guide module is returned, is used for after high concurrent transaction scene occurs, according to the growth data source and the operation The corresponding relationship of basic data source in system carries out data time and leads processing.
According to a third aspect of the embodiments of the present invention, a kind of computer readable storage medium, the computer storage are provided Medium includes computer program, wherein the computer program makes described one when being executed by one or more computers A or multiple computers perform the following operations:
The operation include the steps that it is any one of as above described in Database Dynamic extended method included.
According to a fourth aspect of the embodiments of the present invention, a kind of Database Dynamic expanding unit is provided, described device includes:
Memory is stored with computer-readable instruction;
Processor executes the computer-readable instruction to execute Database Dynamic extended method as described above and be included The step of.
Implement a kind of Database Dynamic extended method, system, device and storage medium provided in an embodiment of the present invention, has Following advantages: can be achieved the Data expansion of database and reduce system maintenance cost.
Detailed description of the invention
Fig. 1 is a kind of flow chart of Database Dynamic extended method of the embodiment of the present invention;
Fig. 2 is a kind of structural schematic diagram of Database Dynamic expansion system 1 of the embodiment of the present invention.
Specific embodiment
To keep the purposes, technical schemes and advantages of the embodiment of the present invention clearer, below in conjunction with attached drawing to this hair It is bright to be described in further detail.
Fig. 1 is a kind of flow chart of Database Dynamic extended method of the embodiment of the present invention, referring to Fig. 1, the method packet It includes:
Step S1, configuration and the consistent emergency data base resource of operating system cluster;
Step S2 configures growth data source according to the emergency data base resource before high concurrent transaction scene occurs;
Step S3 adjusts read-write configuration processing according to custom order when high concurrent transaction scene occurs;
Step S4, after high concurrent transaction scene occurs, according in the growth data source and the operating system The corresponding relationship of basic data source carries out data time and leads processing.
It is in embodiments of the present invention, described that adjust read-write configuration processing according to custom order include: according to making by oneself The reading configuration of adopted sequence adjustment handles and writes configuration processing, wherein reads configuration processing for controlling payment transaction repetition order simultaneously It checks whether the inquiry growth data source, writes configuration processing and write for controlling the payment transaction records flowing water and checking whether Enter the growth data source.Daily payment cluster legacy data base resource (being configured to basic data source) outside, increase isomorphism Emergency data base resource is configured as growth data source before the arriving of foreseeable high concurrent scene in advance;Meanwhile it answering With " reading ", " writing " two sets of configurations are increased in the logic of access database, wherein " reading " configuration control payment transaction repeats order inspection Look into whether query expansion data source, and " writing " configuration control payment transaction records flowing water growth data source whether is written.It is high simultaneously It sends out in scene generating process, according to specific adjustment sequence, realizes the seamless of application access basic data source and growth data source Switching not only guarantees to repeat Order Checking logic no problem, but also guarantees Database Systems pressure lateral dispersion to growth data On source.After high concurrent scene, according to certain corresponding relationship, by the Flow Record in growth data source back to legacy data In source (also referred to as basic data source), growth data source is extractd in subsequent applications configuration, and database is recycled to emergency resources pond.
In embodiments of the present invention, the method also includes: data return lead processing after include: described in adjustment Configuration processing is write, control program only accesses the basic data source;The emergency data base resource deletes the Data expansion source.
In embodiments of the present invention, the cluster of operating system includes: by multiple servers and multiple databases Composition, each server are divided into multiple deployment units, and each database by covering the identical isomorphism library group of table structure more At.In practical applications, setting server A is daily is configured with a, b, c totally 3 basic data sources, and payment transaction access operates in Application program on server carries out modulus to pay invoice number when recording flowing water, by radix 3, and then 3 data sources are written In 1, when repeating Order Checking, also press same modulus logic, inquire whether existing with ordering in the table of corresponding data source The successful flowing water of odd numbers.Before high concurrent scene occurs, it is total that d, e, f are configured by the emergency data base resource for having same table structure 3 growth data sources, at this point, " reading ", " writing " configuration that application program uses are in default state of value, application program is being obtained When database connects, growth data source will not be accessed.In practical applications, following process can be used to execute:
(1) high concurrent scene, adjustment application program " reading " configuration, while being set as looking into flowing water by 3 modulus of radix are closed on By 6 modulus of radix, the successive corresponding data source of access modulus twice, wherein first time modulus can only correspond to basic data source it One, and second of modulus result, it is likely that growth data source can be corresponded to.(2) adjustment application program " writing " configuration, is set as It when remembering flowing water, obtains data source and presses 6 modulus of radix, in the unit time later, 1/2 payment flowing water will record growth data source. (3) adjustment application program " reading " configuration when being set as looking into flowing water, obtains data source and presses 6 modulus of radix, in the unit time later, 1/2 flowing water inquiry can access growth data source.(4) high concurrent transaction access moment, the frequency of application access database explode, But addressable database resource has extended 1 times, and the access pressure of every database is also reduced by 1/2.(5) high concurrent scene mistake Afterwards, first adjustment application program " readings " configures, and is set as looking into flowing water by, by 3 modulus of radix, successively visiting twice while 6 modulus of radix Ask for the corresponding data source of mould, wherein first time modulus result is possible to correspond to growth data source, and second of modulus as a result, It then can only correspond to basic data source.(6) then adjustment application program " writing " configuration, is set as note flowing water only by 3 modulus of radix, Flow Record is no longer newly-increased in growth data source after coming into force.It is defined as data source is obtained in above-mentioned steps by the method for 3 modulus " basis divides library regular " is defined as " extension point library rule " by the method for 6 modulus, and application program " reading ", " writing " configuration example are such as Under:
A, " reading " configures ReadSwitch:
0- only divides library regular by basis, inquires basic data source;
1- divides library regular by basis point library rule and extension simultaneously, successively inquires basic data source and basic data in two times Source+growth data source;
2- only divides library regular by basis, inquires basic data source+growth data source.
B, " writing " configures WriteSwitch:
0- only divides library regular by basis, and basic data source is written in flowing water information;
1- divides library regular by extension, and basic data source+growth data source is written in flowing water information.
In addition, needing to import Flow Record therein in basic data source before extracing growth data source.Based on answering With the multiple proportion between program twice modulus base, directly library can be imported, i.e. expanding library d imports base library a, expanding library e Base library b is imported, and so on.Transaction concurrency has already decreased to normal usual at this time, controls back lead foot and originally writes database Concurrency, the operation of real trade can not be influenced.
After the completion of growth data source stream water time is led, adjustment application program " reading " is configured to 0, that is, looks into flowing water only by basic modulus Rule accesses basic data source.
The present invention by the high concurrent period to the extending transversely of database and configuration particular order read-write data processing, It realizes the Data expansion of database and reduces system maintenance cost.It can be in the high concurrent period, by database access pressure transverse direction It is distributed to emergency data library, the system pressure of single database is effectively reduced, guarantees the response time of transaction access database not It increases substantially, the payment that client initiates will not be slack-off or overtime;Before high concurrent scene occurs and after occurring, emergency data Base resource, which can be realized, freely to be alloted and dynamically plugs, and the cost of enterprise's maintenance system operation is effectively reduced;Application access database, Its " reading ", " writing " configuration adjust in particular order, are able to achieve the seamless switching of access basic data source and growth data source, Guarantee to repeat Order Checking completeness, and realizes the dynamic expansion of note flowing water.
Fig. 2 is a kind of structural schematic diagram of Database Dynamic expansion system 1 of the embodiment of the present invention, referring to fig. 2, the system System 1 includes:
Configuration module 100, for configuring and the consistent emergency data base resource of operating system cluster;
Expansion module 200, for being configured and being extended according to the emergency data base resource before high concurrent transaction scene occurs Data source;
Module 300 is adjusted, for adjusting read-write configuration according to custom order when high concurrent transaction scene occurs Processing;And
Guide module 400 is returned, is used for after high concurrent transaction scene occurs, according to the growth data source and the fortune The corresponding relationship of basic data source in row system carries out data time and leads processing.
It is in embodiments of the present invention, described that adjust read-write configuration processing according to custom order include: according to making by oneself The reading configuration of adopted sequence adjustment handles and writes configuration processing, wherein reads configuration processing for controlling payment transaction repetition order simultaneously It checks whether the inquiry growth data source, writes configuration processing and write for controlling the payment transaction records flowing water and checking whether Enter the growth data source.
In embodiments of the present invention, the method also includes: data return lead processing after include: described in adjustment Configuration processing is write, control program only accesses the basic data source;The emergency data base resource deletes the Data expansion source.
In embodiments of the present invention, the cluster of operating system includes: by multiple servers and multiple databases Composition, each server are divided into multiple deployment units, and each database by covering the identical isomorphism library group of table structure more At.
It should be noted that the operation of the Database Dynamic extended method include the steps that include as described above with The mode of operation of above-mentioned Database Dynamic expansion system is identical, and details are not described herein for particular content.
In addition, the computer storage medium includes to calculate the present invention also provides a kind of computer readable storage medium Machine program, the computer program execute one or more of computers such as Lower operation: the operation includes the steps that Database Dynamic extended method as described above is included that details are not described herein.It needs Bright, the computer readable storage medium may include a variety of storages such as ROM/RAM, magnetic disk, CD, disk, flash memory Medium, to store the storage medium that above-mentioned computer program can be performed.
In addition, the present invention also provides a kind of Database Dynamic expanding unit, described device includes:
Memory is stored with computer-readable instruction;
Processor executes the computer-readable instruction to execute Database Dynamic extended method as described above and be included The step of.It should be noted that described device includes: for example, intelligent terminal, mobile device, laptop, desk-top calculating A variety of devices such as machine, server or the network equipment.
Through the above description of the embodiments, those skilled in the art can be understood that the present invention can be by The mode of software combination hardware platform is realized.Based on this understanding, technical solution of the present invention makes tribute to background technique That offers can be embodied in the form of software products in whole or in part, which can store is situated between in storage In matter, such as ROM/RAM, magnetic disk, CD, including some instructions use is so that a computer equipment (can be individual calculus Machine, server or network equipment etc.) execute method described in certain parts of each embodiment of the present invention or embodiment.
The above disclosure is only a preferred embodiment of the invention, cannot limit protection of the invention certainly with this Range, therefore is still fallen within by right of the present invention and is wanted for equivalent variations made by above-described embodiment according to the introduction of the claims in the present invention It asks in the range of being covered.

Claims (10)

1. a kind of Database Dynamic extended method, which is characterized in that the described method includes:
Configuration and the consistent emergency data base resource of operating system cluster;
Before high concurrent transaction scene occurs, growth data source is configured according to the emergency data base resource;
When high concurrent transaction scene occurs, read-write configuration processing is adjusted according to custom order;
After high concurrent transaction scene occurs, according to basic data source in the growth data source and the operating system Corresponding relationship carries out data time and leads processing.
2. method as described in claim 1, which is characterized in that described to include: according to custom order adjustment read-write configuration processing
Configuration processing is handled and write according to the reading configuration of custom order adjustment, wherein reading configuration processing, which is used to control to pay, hands over It easily repeats order and checks whether the inquiry growth data source, write configuration processing for controlling the payment transaction records flowing water And check whether the write-in growth data source.
3. method as claimed in claim 2, which is characterized in that the data return to lead to handle includes: later
Configuration processing is write described in adjustment, control program only accesses the basic data source;
The emergency data base resource deletes the Data expansion source.
4. such as any one of claim 1-3 the method, which is characterized in that the cluster of operating system includes:
It is made of multiple servers and multiple databases, each server is divided into multiple deployment units, each data Library is formed more by covering the identical isomorphism library of table structure.
5. a kind of Database Dynamic expansion system, which is characterized in that the system comprises:
Configuration module, for configuring and the consistent emergency data base resource of operating system cluster;
Expansion module, for configuring growth data source according to the emergency data base resource before high concurrent transaction scene occurs;
Module is adjusted, for adjusting read-write configuration processing according to custom order when high concurrent transaction scene occurs;With And
Guide module is returned, is used for after high concurrent transaction scene occurs, according to the growth data source and the operating system The corresponding relationship of middle basic data source carries out data time and leads processing.
6. system as claimed in claim 5, which is characterized in that described to include: according to custom order adjustment read-write configuration processing
Configuration processing is handled and write according to the reading configuration of custom order adjustment, wherein reading configuration processing, which is used to control to pay, hands over It easily repeats order and checks whether the inquiry growth data source, write configuration processing for controlling the payment transaction records flowing water And check whether the write-in growth data source.
7. system as claimed in claim 5, which is characterized in that the system also includes:
Access modules are returned for the data after leading processing, and configuration processing is write described in adjustment, and control program only accesses the base Plinth data source;
Removing module deletes the Data expansion source for the emergency data base resource.
8. the system as described in claim any one of 5-7, which is characterized in that the cluster of operating system includes:
It is made of multiple servers and multiple databases, each server is divided into multiple deployment units, each data Library is formed more by covering the identical isomorphism library of table structure.
9. a kind of computer readable storage medium, the computer storage medium includes computer program, which is characterized in that institute Stating computer program performs the following operations one or more of computers when being executed by one or more computers:
The operation includes the steps that Database Dynamic extended method includes as described in any one of claim 1-4.
10. a kind of Database Dynamic expanding unit, which is characterized in that described device includes:
Memory is stored with computer-readable instruction;
Processor executes the computer-readable instruction to execute such as Database Dynamic of any of claims 1-4 The step of extended method is included.
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CN113448642A (en) * 2020-03-11 2021-09-28 成都鼎桥通信技术有限公司 System file access method and device and electronic equipment

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