CN104021190A - Refined concurrency control device and method - Google Patents

Refined concurrency control device and method Download PDF

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Publication number
CN104021190A
CN104021190A CN201410265406.2A CN201410265406A CN104021190A CN 104021190 A CN104021190 A CN 104021190A CN 201410265406 A CN201410265406 A CN 201410265406A CN 104021190 A CN104021190 A CN 104021190A
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concurrent
database
operation requests
module
functional module
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CN104021190B (en
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何飞
陈涌均
代勇
张叶华
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China Travelsky Technology Co Ltd
China Travelsky Holding Co
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China Travelsky Technology Co Ltd
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/20Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
    • G06F16/24Querying
    • G06F16/245Query processing
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/20Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
    • G06F16/23Updating
    • G06F16/2308Concurrency control

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  • Theoretical Computer Science (AREA)
  • Data Mining & Analysis (AREA)
  • Databases & Information Systems (AREA)
  • Physics & Mathematics (AREA)
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  • General Physics & Mathematics (AREA)
  • Computational Linguistics (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)

Abstract

The invention provides a refined concurrency control device and method. The device comprises a concurrency number control module and a single channel processing module, and the two modules provide concurrency control for an application system. The concurrency number control module is used for controlling the concurrency numbers of functional modules of the application system not to be larger than respectively largest concurrency numbers. The single channel processing module is used for avoiding repeated requests for the same operation of the application system. The device and method are used for carrying out concurrency control over access operations on the application system in the aspect of total quantity and singular resource, using efficiency of application resources of the system is optimized, and the optimizing result is transmitted level by level, so that the resource utilization efficiency of the whole application system is optimal.

Description

Concurrent control device and method become more meticulous
Technical field
The present invention relates to network control technical field, relate in particular to one become more meticulous concurrent control device and method.
Background technology
Follow the fast development of internet; the visit capacity of each internet, applications is rising; internet, applications self is also being used various inside and outside resources simultaneously; process external access or initiate the access to other system no matter be; all need a kind of concurrent control mechanism efficiently so that resource can rationally be utilized, protect the stable of self system simultaneously.Conventional Concurrent Control is all generally to control for a certain total amount at present, only total amount is controlled and easily caused the situation of the resource contention under this total amount to occur, such as the user who initiates 100 inquiry request 1 second, certainly to find the probability of result than the user who only sends out 1 inquiry request 1 second large, the appearance of this race condition provides a back door in fact just to a lot of people, also will cause the unreasonable of system resource use and waste simultaneously.In addition a lot of systems have been carried out respectively concurrent control to different business, but the similar business of some of them can not be merged together and be controlled, such as a certain system has been carried out concurrent control to " webpage inquiry entrance " and " webservice inquires about entrance " respectively, but they are inquiry same resources in fact, can put together and carry out concurrent control, for the e-commerce system becoming increasingly complex at present, it is necessary that this mode that multiple module independent assortments are carried out to concurrent control is provided.Secondly, the obstruction mode mostly still using at present conventional Concurrent Control is carried out synchro control, such as a certain system has been carried out overall control and the synchro control of the upper limit 1000 to " generation order " this operation, in so the worst situation, in the time that a certain order generation is very slow, to there be 999 orders to get clogged below, and be easy to like this cause memory source etc. to exhaust and a little less than causing system crash, such system stability can become.Finally, in current Concurrent Control, also seldom use single pass tupe, such as for " amendment order " this business, while generally it being carried out to concurrent control, in the time that a certain user is carrying out this operation, other all users (comprising himself) cannot carry out this operation simultaneously, and single pass tupe be to realize when a certain user be that oneself cannot be modified simultaneously again when order in amendment, but other users still can revise the order of oneself, they are independent of each other, because system offers respectively their single treatment channel.
Summary of the invention
In view of this, the invention provides one become more meticulous concurrent control device and method, by the accessing operation of application system being carried out to the concurrent control that overall control and resource are single, optimize the service efficiency of system applies resource, and the result of this optimization is transmitted step by step, the resource utilization of whole application is maximized.
The one provided by the invention concurrent control device that becomes more meticulous, comprises number of concurrent control module and single-pass process module, for application system provides concurrent control; Wherein,
Described number of concurrent control module, is no more than maximum number of concurrent separately for the number of concurrent of each functional module of controlling described application system;
Described single-pass process module, carries out repetitive requests for avoiding for the same operation of described application system.
Described number of concurrent control module comprises: the first operation requests receives submodule, the first inquiry submodule, the first operation requests transmission submodule and the first database, wherein,
Described the first operation requests receives submodule, for receiving the operation requests to described application system, and determines according to described operation requests the functional module that it calls;
Described the first inquiry submodule, inquires about described the first database for receiving the definite called functional module of submodule according to described the first operation requests, obtains the current number of concurrent of described called functional module as Query Result;
Described the first operation requests sends submodule, for according to the Query Result of described the first inquiry submodule, described operation requests is sent to single-pass process module;
Described the first database, for storing the mapping of described application system all functions module number of concurrent current with it and maximum number of concurrent.
Described single-pass process module comprises: the second operation requests receives submodule, the second inquiry submodule, the second operation requests transmission submodule and the second database, wherein,
Described the second operation requests receives submodule, the operation requests sending for receiving described number of concurrent control module, and determine according to described operation requests the functional module that it calls;
Described the second inquiry submodule, inquire about described the second database for receiving the definite called functional module of submodule according to described the second operation requests, obtain described called functional module with the corresponding mark of described operation requests, and judge according to described mark whether the operation of described mark representative is carried out, and return to Query Result;
Described the second operation requests sends submodule, for according to the Query Result of described the second inquiry submodule, described operation requests is sent to described called functional module;
Described the second database, for storing the mapping of described application system all functions module and each mark;
Described mark, for characterizing the concrete operations that need to adopt single-pass process.
Functional module in the mapping relations of described the first database and/or the second database can be the aggregate of multiple functional modules.
The mapping relations of described the first database and/or the second database can be encrypted.
Whether described device also comprises logger module, use for recording current request sum and the functional module of current request.
Described maximum number of concurrent can be by revising described the first database or described the first data base configuration file is dynamically changed.
The present invention also provides the one concurrency control method that becomes more meticulous, and is used to application system that concurrent control is provided; Described method comprises:
Step 1: the number of concurrent of controlling each functional module of described application system is no more than maximum number of concurrent separately;
Step 2: avoid carrying out repetitive requests for the same operation of described application system.
Described step 1 comprises:
Step 1.1: receive the operation requests to described application system, and determine according to described operation requests the functional module that it calls;
Step 1.2: the called functional module definite according to step 1.1, inquiry the first database, obtains the current number of concurrent of described called functional module;
Step 1.3: if when current number of concurrent is less than maximum and sends number, enter step 2;
Wherein, described the first database, for storing the mapping of described application system all functions module number of concurrent current with it and maximum number of concurrent.
Described step 2 comprises:
Step 2.1: determine the functional module that it calls according to described operation requests;
Step 2.2: inquire about the second database according to the definite called functional module of described step 2.1, obtain described called functional module with the corresponding mark of described operation requests, and judge according to described mark whether the operation of described mark representative is carried out;
Step 2.3: if the operation of described mark representative is not carried out, described operation requests is sent to described called functional module;
Described the second database, for storing the mapping of described application system all functions module and each mark;
Described mark, for characterizing the concrete operations that need to adopt single-pass process.
Functional module in the mapping relations of described the first database and/or the second database can be the aggregate of multiple functional modules.
Can be encrypted the mapping relations of described the first database and/or the second database.
Whether described method also comprises: record current request sum and the functional module of current request and use.
Can revise described the first database or described the first data base configuration file so that maximum number of concurrent is dynamically changed.
In sum, the present invention adopts the concurrent control that becomes more meticulous, and uses overall control and the single concurrent control of resource, realizes multi-layer expansion, and concurrent control result is successively recalled; Simultaneously can be according to the s own situation of resource, dynamic assignment Concurrency Access amount, carry out data analysis statistics, adjust the concurrency of each resource, make the result of whole concurrent access control make to greatest extent all resources of whole application the inside be optimized, improve the efficiency that resource is used, and the result of this optimization is transmitted step by step, the resource utilization of whole application is maximized.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or scheme of the prior art, to the accompanying drawing of required use in embodiment be briefly described below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The structural representation of the concurrent control device that becomes more meticulous that Fig. 1 provides for one embodiment of the invention;
The schematic flow sheet of the concurrency control method that becomes more meticulous that Fig. 2 provides for one embodiment of the invention.
Embodiment
For making object, technical scheme and the advantage of the embodiment of the present invention clearer, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is carried out to clear, complete description, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiment.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite of not making creative work, belongs to the scope of protection of the invention.
The structural representation of the concurrent control device that becomes more meticulous that Fig. 1 provides for one embodiment of the invention, as shown in Figure 1, the concurrent control device that becomes more meticulous of the present embodiment, comprises number of concurrent control module and single-pass process module, for application system provides concurrent control; Can be according to actual conditions choice for use mode, generally can first use number of concurrent control module to filter request, and then filter by single-pass process module.
Described number of concurrent control module, is no more than maximum number of concurrent separately for the number of concurrent of each functional module of controlling described application system; Wherein, described maximum number of concurrent can be by revising described the first database or described the first data base configuration file is dynamically changed.Described number of concurrent control module at least should expose two publicly-owned methods (obtain and connect and release connection) for external call, this independent individual+public methodical structure can be multiple business function module services, simultaneously also carries out concurrent control basis is provided for multiple business function module being carried out to independent assortment.
Alternatively, described number of concurrent control module can comprise: the first operation requests receives submodule, the first inquiry submodule, the first operation requests transmission submodule and the first database, wherein,
Described the first operation requests receives submodule, for receiving the operation requests to described application system, and determines according to described operation requests the functional module that it calls;
Described the first inquiry submodule, inquires about described the first database for receiving the definite called functional module of submodule according to described the first operation requests, obtains the current number of concurrent of described called functional module as Query Result;
Described the first operation requests sends submodule, for according to the Query Result of described the first inquiry submodule, described operation requests is sent to single-pass process module;
Described the first database, for storing the mapping of described application system all functions module number of concurrent current with it and maximum number of concurrent.Need to provide a kind of obtain manner to obtain maximum number of concurrent, such as obtaining by database or Using Defaults etc.The structure of described the first database can be the mode of a key-value pair, such as using business function module name to be referred to as key, as value, use this structure just can concurrent control is provided or multiple business function module be corresponded to same key to provide concurrent control for this group business function module for multiple business function module by current number of concurrent and maximum number of concurrent.These keys (such as module title) that use in the first database of number of concurrent control module all must ensure it is constant, because in order to improve the concurrent ability of controller, need on key, lock instead of lock in method rank, on key, lock and be equivalent to each business to carry out independent lock control, in method, locking is that all business are unified to lock control.
Described single-pass process module, carries out repetitive requests for avoiding for the same operation of described application system.Described single-pass process module at least should expose 2 publicly-owned methods, one for judging whether concrete operations under certain business are processed, one adjust back for the treatment of after completing.This structure makes it have same attribute with number of concurrent control module: be multiple business function module services, simultaneously also carry out concurrent control basis is provided for multiple business function module being carried out to independent assortment.
Alternatively, described single-pass process module can comprise: the second operation requests receives submodule, the second inquiry submodule, the second operation requests transmission submodule and the second database, wherein,
Described the second operation requests receives submodule, the operation requests sending for receiving described number of concurrent control module, and determine according to described operation requests the functional module that it calls;
Described the second inquiry submodule, inquire about described the second database for receiving the definite called functional module of submodule according to described the second operation requests, obtain described called functional module with the corresponding mark of described operation requests, and judge according to described mark whether the operation of described mark representative is carried out, and return to Query Result;
Described the second operation requests sends submodule, for according to the Query Result of described the second inquiry submodule, described operation requests is sent to described called functional module;
Described the second database, for storing the mapping of described application system all functions module and each mark; The storage space structure of described the second database can be the same with the storage space structure of described the first database, use business function module name to be referred to as key, but the content of storing can be stored as required, such as any marks that single-pass process mechanism need to be provided for it such as user ip, order numbers, after having had this mark, just can judge at any time whether the processing of this mark representative is carried out, ongoing processing is returned in time and is avoided blocking, and simultaneously each mark is single being independent of each other independently.Because these marks need to be stored in internal memory, store after therefore also needing to be used intern method conversion, the same with number of concurrent control module in addition, it is constant that key used herein also needs to ensure.
Described mark, for characterizing the concrete operations that need to adopt single-pass process.
Wherein, the functional module in the mapping relations of described the first database and/or the second database can be the aggregate of multiple functional modules.
Alternatively, the mapping relations of described the first database and/or the second database can be encrypted.
Whether further, described device also comprises logger module, use for recording current request sum and the functional module of current request.
The schematic flow sheet of the concurrency control method that becomes more meticulous that Fig. 2 provides for one embodiment of the invention, as shown in Figure 2, the concurrency control method that becomes more meticulous of the present embodiment, is used to application system that concurrent control is provided, and comprising:
Step 1: the number of concurrent of controlling each functional module of described application system is no more than maximum number of concurrent separately;
Alternatively, described step 1 can comprise:
Step 1.1: receive the operation requests to described application system, and determine according to described operation requests the functional module that it calls;
Step 1.2: the called functional module definite according to step 1.1, inquiry the first database, obtains the current number of concurrent of described called functional module;
Step 1.3: if when current number of concurrent is less than maximum and sends number, enter step 2;
Wherein, described the first database, for storing the mapping of described application system all functions module number of concurrent current with it and maximum number of concurrent.
Step 2: avoid carrying out repetitive requests for the same operation of described application system.
Alternatively, described step 2 can comprise:
Step 2.1: determine the functional module that it calls according to described operation requests;
Step 2.2: inquire about the second database according to the definite called functional module of described step 2.1, obtain described called functional module with the corresponding mark of described operation requests, and judge according to described mark whether the operation of described mark representative is carried out;
Step 2.3: if the operation of described mark representative is not carried out, described operation requests is sent to described called functional module;
Wherein, described the second database, for storing the mapping of described application system all functions module and each mark; Described mark, for characterizing the concrete operations that need to adopt single-pass process.
Alternatively, the functional module in the mapping relations of described the first database and/or the second database can be the aggregate of multiple functional modules.
Alternatively, can be encrypted the mapping relations of described the first database and/or the second database.
Whether further, described method also comprises: record current request sum and the functional module of current request and use.
Alternatively, can revise described the first database or described the first data base configuration file so that maximum number of concurrent is dynamically changed.
In sum, the present invention adopts the concurrent control that becomes more meticulous, and uses overall control and the single concurrent control of resource, realizes multi-layer expansion, and concurrent control result is successively recalled; Simultaneously can be according to the s own situation of resource, dynamic assignment Concurrency Access amount, carry out data analysis statistics, adjust the concurrency of each resource, make the result of whole concurrent access control make to greatest extent all resources of whole application the inside be optimized, improve the efficiency that resource is used, and the result of this optimization is transmitted step by step, the resource utilization of whole application is maximized.
Finally it should be noted that: above embodiment only, in order to technical scheme of the present invention to be described, is not intended to limit; Although the present invention is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or part technical characterictic is wherein equal to replacement, and these amendments or replacement do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.

Claims (14)

1. the concurrent control device that becomes more meticulous, comprises number of concurrent control module and single-pass process module, for application system provides concurrent control; It is characterized in that,
Described number of concurrent control module, is no more than maximum number of concurrent separately for the number of concurrent of each functional module of controlling described application system;
Described single-pass process module, carries out repetitive requests for avoiding for the same operation of described application system.
2. the one according to claim 1 concurrent control device that becomes more meticulous, it is characterized in that, described number of concurrent control module comprises: the first operation requests receives submodule, the first inquiry submodule, the first operation requests transmission submodule and the first database, wherein
Described the first operation requests receives submodule, for receiving the operation requests to described application system, and determines according to described operation requests the functional module that it calls;
Described the first inquiry submodule, inquires about described the first database for receiving the definite called functional module of submodule according to described the first operation requests, obtains the current number of concurrent of described called functional module as Query Result;
Described the first operation requests sends submodule, for according to the Query Result of described the first inquiry submodule, described operation requests is sent to single-pass process module;
Described the first database, for storing the mapping of described application system all functions module number of concurrent current with it and maximum number of concurrent.
3. the one according to claim 1 and 2 concurrent control device that becomes more meticulous, it is characterized in that, described single-pass process module comprises: the second operation requests receives submodule, the second inquiry submodule, the second operation requests transmission submodule and the second database, wherein
Described the second operation requests receives submodule, the operation requests sending for receiving described number of concurrent control module, and determine according to described operation requests the functional module that it calls;
Described the second inquiry submodule, inquire about described the second database for receiving the definite called functional module of submodule according to described the second operation requests, obtain described called functional module with the corresponding mark of described operation requests, and judge according to described mark whether the operation of described mark representative is carried out, and return to Query Result;
Described the second operation requests sends submodule, for according to the Query Result of described the second inquiry submodule, described operation requests is sent to described called functional module;
Described the second database, for storing the mapping of described application system all functions module and each mark;
Described mark, for characterizing the concrete operations that need to adopt single-pass process.
4. the one according to claim 3 concurrent control device that becomes more meticulous, is characterized in that, the functional module in the mapping relations of described the first database and/or the second database can be the aggregate of multiple functional modules.
5. the one according to claim 3 concurrent control device that becomes more meticulous, is characterized in that, the mapping relations of described the first database and/or the second database can be encrypted.
6. whether the one according to claim 5 concurrent control device that becomes more meticulous, is characterized in that, described device also comprises logger module, use for recording current request sum and the functional module of current request.
7. the one according to claim 5 concurrent control device that becomes more meticulous, is characterized in that, described maximum number of concurrent can be by revising described the first database or described the first data base configuration file is dynamically changed.
8. the concurrency control method that becomes more meticulous, is used to application system that concurrent control is provided; It is characterized in that, described method comprises:
Step 1: the number of concurrent of controlling each functional module of described application system is no more than maximum number of concurrent separately;
Step 2: avoid carrying out repetitive requests for the same operation of described application system.
9. the one according to claim 8 concurrency control method that becomes more meticulous, is characterized in that, described step 1 comprises:
Step 1.1: receive the operation requests to described application system, and determine according to described operation requests the functional module that it calls;
Step 1.2: the called functional module definite according to step 1.1, inquiry the first database, obtains the current number of concurrent of described called functional module;
Step 1.3: if when current number of concurrent is less than maximum number of concurrent, enter step 2;
Wherein, described the first database, for storing the mapping of described application system all functions module number of concurrent current with it and maximum number of concurrent.
10. the one according to claim 8 or claim 9 concurrent control device that becomes more meticulous, is characterized in that, described step 2 comprises:
Step 2.1: determine the functional module that it calls according to described operation requests;
Step 2.2: the called functional module definite according to described step 2.1, inquire about the second database, obtain described called functional module with the corresponding mark of described operation requests, and judge according to described mark whether the operation of described mark representative is carried out;
Step 2.3: if the operation of described mark representative is not carried out, described operation requests is sent to described called functional module;
Described the second database, for storing the mapping of described application system all functions module and each mark;
Described mark, for characterizing the concrete operations that need to adopt single-pass process.
The 11. one according to claim 10 concurrency control method that becomes more meticulous, is characterized in that, the functional module in the mapping relations of described the first database and/or the second database can be the aggregate of multiple functional modules.
The 12. one according to claim 11 concurrency control method that becomes more meticulous, is characterized in that, can be encrypted the mapping relations of described the first database and/or the second database.
Whether the 13. one according to claim 12 concurrency control method that becomes more meticulous, is characterized in that, described method also comprises: record current request sum and the functional module of current request and use.
The 14. one according to claim 13 concurrency control method that becomes more meticulous, is characterized in that, can revise described the first database or described the first data base configuration file so that maximum number of concurrent is dynamically changed.
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Patentee after: CHINA TRAVELSKY HOLDING Co.

Address before: 100010, No. 157 West Fourth Street, Beijing, Dongcheng District

Patentee before: CHINA TRAVELSKY HOLDING Co.

CP02 Change in the address of a patent holder