CN103810281A - Method for achieving data synchronization through timing task based on cloud computing - Google Patents
Method for achieving data synchronization through timing task based on cloud computing Download PDFInfo
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- CN103810281A CN103810281A CN201410056799.6A CN201410056799A CN103810281A CN 103810281 A CN103810281 A CN 103810281A CN 201410056799 A CN201410056799 A CN 201410056799A CN 103810281 A CN103810281 A CN 103810281A
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- timing task
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- timed task
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/23—Updating
- G06F16/2308—Concurrency control
- G06F16/2336—Pessimistic concurrency control approaches, e.g. locking or multiple versions without time stamps
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/27—Replication, distribution or synchronisation of data between databases or within a distributed database system; Distributed database system architectures therefor
Abstract
The invention provides a method for achieving data synchronization through a timing task based on cloud computing. The method includes the specific implementation steps that firstly, a class is defined, the function of extracting required data is achieved, a sql statement is achieved, and a system automatically generates an xml message; the class is added to the timing task, the timing task is added, the name of the task, the name of the class, execution time, execution strategies and validity duration are added, and the timing task automatically synchronizes data according to system settings and time stamps or synchronization marks; eventually, the timing task executes data synchronization operation according to the execution strategies and the execution time, and the timing task is synchronized through a mechanism of a database lock; the timing task is destroyed after being executed. Compared with the prior art, the method for achieving data synchronization through the timing task based on cloud computing has the advantages that calling of concurrency control tasks under the cloud computing environment is achieved in a database lock mode, and the method is high in practicality, wide in application range and easy to popularize.
Description
Technical field
The present invention relates to cloud computing technology field, specifically a kind of accurate grasp blood information, facilitate calling resource, timed task based on cloud computing to realize the synchronous method of data.
Background technology
The continuous integrated service of cloud computing service server end, various systems are all incorporated in cloud computing server, and the data of each system all isolate; Conventionally the mode adopting is that the database technique data such as database Materialized View, goldengate are synchronous, there are in this way several drawbacks and adopt, the one, between internal system modules, data are synchronously all right, if inter-system data synchronization generally just cannot have been realized.The 2nd, synchronous data are not accurate enough, may have part junk data.The 3rd, each database association is too strong, if system need to be upgraded or business changes, all affects data synchronous working.Based on this, a kind of method that adopts the mode of Database lock to realize the work of calling of concurrent control task under cloud computing environment is now provided, the one, guarantee the efficiency that data are synchronous; The 2nd, system needs our synchronous which type of data just of which type of data.
Summary of the invention
Technical assignment of the present invention is to solve the deficiencies in the prior art, provides a kind of timed task based on cloud computing to realize the synchronous method of data.
Technical scheme of the present invention realizes in the following manner, and this kind of timed task based on cloud computing is realized the synchronous method of data, and its specific implementation process is:
First define a class, realization need to be extracted the function of which data, realizes sql statement, and system generates xml message automatically;
Then such is added in timed task, add timed task, add task names, class title, execution time, implementation strategy and the term of validity, timed task, according to system setting, carrys out synchrodata according to timestamp or synchronous mark automatically;
Last timed task is according to implementation strategy and execution time executing data synchronous operation, and this operation adopts the mechanism of Database lock to carry out synchronization timing task;
After timed task is carried out, this timed task is destroyed.
In described step 3, inter-system data synchronization is realized service call between system by the mode of service registry, adopts webservice or EJB to realize.
The beneficial effect that the present invention compared with prior art produced is:
A kind of timed task based on cloud computing of the present invention is realized the synchronous method of data and is utilized the mode of Database lock to realize the work of calling of concurrent control task under cloud computing environment, and the configuration effort of simplification timed task, and timed task is realized to compensation mechanism; Practical, applied widely, can be applied to the industries such as bank, the tax, stock market, commodity inspection, post and telecommunications, government affairs, be a kind of fool proof efficient timed task; Realize data and effectively share, be easy to promote.
Accompanying drawing explanation
Accompanying drawing 1 is realization flow figure of the present invention.
Embodiment
Below in conjunction with accompanying drawing, a kind of timed task based on cloud computing of the present invention being realized to the synchronous method of data is described in detail below.
As shown in Figure 1, this kind of timed task based on cloud computing is realized the synchronous method of data, realizes between each system or the method that intermodular data is synchronous, safe and efficient timed task accurately.
Utilize the mode of Database lock to realize the work of calling of concurrent control task under cloud computing environment, according to the synchronous necessary data of system requirements, concrete methods of realizing:
First define a class, realization need to be extracted the function of which data, as long as it is just passable to realize sql statement, system can generate xml message automatically.
Then such is added in timed task, add timed task very simple, have page guide, add task names, class title, execution time, implementation strategy and the term of validity just passable in the page, system can be added task in the works to automatically.Timed task can, according to system setting, carry out synchrodata according to timestamp or synchronous mark automatically.
Last timed task can, according to implementation strategy and execution time executing data synchronous operation, owing to being in cloud computing, need synchronization timing task, has adopted the mechanism of Database lock to carry out synchronization timing task.Inter-system data synchronization need to be realized service call between system by the mode of service registry, can adopt webservice or EJB.
The foregoing is only embodiments of the invention, within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (2)
1. the timed task based on cloud computing is realized the synchronous method of data, it is characterized in that its specific implementation process is:
First define a class, realization need to be extracted the function of which data, realizes sql statement, and system generates xml message automatically;
Then such is added in timed task, add timed task, add task names, class title, execution time, implementation strategy and the term of validity, timed task, according to system setting, carrys out synchrodata according to timestamp or synchronous mark automatically;
Last timed task is according to implementation strategy and execution time executing data synchronous operation, and this operation adopts the mechanism of Database lock to carry out synchronization timing task;
After timed task is carried out, this timed task is destroyed.
2. a kind of timed task based on cloud computing according to claim 1 is realized the synchronous method of data, it is characterized in that: in described step 3, inter-system data synchronization is realized service call between system by the mode of service registry, adopt webservice or EJB to realize.
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| CN104301421A (en) * | 2014-10-24 | 2015-01-21 | 浪潮集团有限公司 | Cloud calculation real-time data synchronization method |
| CN107391188A (en) * | 2017-07-17 | 2017-11-24 | 聚好看科技股份有限公司 | A kind of method and apparatus for controlling timed task |
| CN107577780A (en) * | 2017-09-13 | 2018-01-12 | 郑州云海信息技术有限公司 | A kind of data center's cloud resource synchronous method and device |
| CN114049754A (en) * | 2021-12-06 | 2022-02-15 | 青岛鼎信通讯股份有限公司 | Temporary collection task mechanism based on electric energy collection terminal of transformer substation |
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