CN105786877A - Data storage method and system and data inquiry method - Google Patents
Data storage method and system and data inquiry method Download PDFInfo
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- CN105786877A CN105786877A CN201410816851.3A CN201410816851A CN105786877A CN 105786877 A CN105786877 A CN 105786877A CN 201410816851 A CN201410816851 A CN 201410816851A CN 105786877 A CN105786877 A CN 105786877A
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Abstract
The invention discloses a data storage method and system and a data inquiry method. The system comprises a master physical database, a first memory database, a slave physical database and a second memory database. The master physical database is used for storing a first kind of data, a second kind of data and a third kind of data; the first memory database is used for storing the first kind of data in the master physical database through the master physical database, wherein the read-write consistency demands of the first kind of data are higher than those of the second kind of data. Through classifying the data stored in the master physical database according to the degrees of the consistency demands, storing the data with high consistency demands in the first memory database and synchronously copying the first kind of data in the master physical database by the first memory database, the consistency of the data with the high consistency demands is ensured.
Description
Technical field
The present invention relates to network communication field, particularly to a kind of date storage method, system and querying method.
Background technology
Expansion along with all kinds of business development of operator and internet channels and business, CRM (CustomerRelationshipManagement, the customer relation management) system of operator is turned to towards counting the system in end user necessarily by the system transformation towards thousands of operators.Crm system is proposed the requirement of increasingly higher experience and performance by this, especially the CRM business system of core customer's data is carried, pressure is increasing, traditional performance optimization method, such as main frame dilatation, data-base capacity-enlarging etc., do not catch up with business demand pressure buildup speed, and dilatation is costly, invest huge.
Prior art faces following problem: data replicate and adopt asynchronous replication technology, and read and write abruption, and the strong consistency of a lot of business need data of the crm system of telecommunications industry, when peak traffic, if data replicate not in time, it is easy for that the problem that data are inconsistent occurs, causes and complain phenomenon in a large number.So can only tap some simple statistics or inquiry business to reading storehouse, although also there being some effects, but not thorough, the pressure of core library is still very big.Meanwhile, if data replicate adopts synchronization replication technology, then successfully could submit to owing to two data bases of a service needed process simultaneously, cause business efficiency to reduce.
Summary of the invention
The embodiment of the present invention provides a kind of data-storage system, method and querying method, in order to solve the problem that in prior art, data base querying amount is big and data consistency requirement is high.
The embodiment of the present invention one provides data-storage system, including primary physical data base, the first memory database, from physical database, the second memory database；Described first memory database, described from physical database and described second memory database be only used for inquiring about；
Described primary physical data base is used for storing primary sources, secondary sources and the 3rd class data；
The described data from physical database for primary physical database purchase described in asynchronous replication；
Described first memory database is for storing the primary sources in described primary physical data base by described primary physical data base；
Described second memory database is by the described secondary sources stored from physical database described primary physical data base；
Wherein, the concurrency that accesses of described secondary sources, higher than the coherence request that described secondary sources are read and write, is higher than the access concurrency to described 3rd class data by the coherence request that described primary sources are read and write.
It is also preferred that the left described first memory database is for being synchronously written the primary sources of described primary physical data base write；The secondary sources that described second memory database writes from physical database described in asynchronous write.
Preferably, described first memory database is multiple, including main first memory database with from the first memory database, described master's the first memory database is for being synchronously written the primary sources of described primary physical data base write, and relevant to the primary sources of write is used for being synchronously written from the first memory database.
It is also preferred that the left described second memory database is multiple, second memory database relevant to the secondary sources of write is for asynchronous write.
The date storage method that the embodiment of the present invention two provides, is applied to the data-storage system that above-described embodiment one provides, including:
Receive data write request；
Described data are write primary physical data base, and triggers from physical database asynchronous write；
If described data belong to primary sources, then described data syn-chronization is write the first memory database；
If described data belong to secondary sources, then by described data by described from physical database asynchronous write the second memory database.
If it is also preferred that the left described data belong to primary sources, then described data syn-chronization being write the first memory database, also including:
By main for the write of described data syn-chronization the first memory database；
Relevant to described data carries out data write from the first memory database by described master's the first memory database.
If it is also preferred that the left described data belong to secondary sources, then by described data by described from physical database asynchronous write the second memory database, also include: described second memory database is multiple,
Second memory database relevant to described data carries out data write by described from physical database.
If it is also preferred that the left relevant to described data writes unsuccessfully from the first memory database or the second internal storage data relevant with described data, being then marked as down state.
The data query method that the embodiment of the present invention three provides, the data-storage system that application above-described embodiment one provides, including:
Receive data inquiry request；
According to described data inquiry request, it is judged that the type of inquiry data；
If described data are primary sources, then inquire about the first memory database；
If described data are secondary sources, then inquire about the second memory database；
If described data are the 3rd class data, then inquire about from physical database.
If it is also preferred that the left described first memory database does not have described data, then inquiry primary physical data base；
The described data inquired are write described first memory database；
If described first memory database includes main first memory database and from the first memory database, then the described data inquired are write described master's the first memory database, and triggers corresponding from the first memory database described data of write.
Data-storage system that above-described embodiment one to embodiment three provides, method and querying method, including primary physical data base, the first memory database, from physical database, the second memory database；Described first memory database, described from physical database and described second memory database be only used for inquiring about；Described primary physical data base is used for storing primary sources, secondary sources and the 3rd class data；The described data from physical database for primary physical database purchase described in asynchronous replication；Described first memory database is for storing the primary sources in described primary physical data base by described primary physical data base；Described second memory database is by the described secondary sources stored from physical database described primary physical data base；Wherein, the coherence request that described primary sources are read and write is higher than the coherence request that described secondary sources are read and write, the concurrency that accesses of described secondary sources is higher than the access concurrency to described 3rd class data, by the data of storage in primary physical data base are classified according to the requirement of coherence request, concurrency, and data high for coherence request are stored in the first memory database, data high for concurrency are stored in the second memory database, by not high for concurrency but data that visit capacity is big by storing from physical database；Read it is thus possible to ensure high access and meet the requirement of data consistency from corresponding memory space according to the attribute of inquiry data.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme in the embodiment of the present invention, below the accompanying drawing used required during embodiment is described is briefly introduced, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
The structural representation of the data-storage system that Fig. 1 provides for the embodiment of the present invention one；
The date storage method flow chart that Fig. 2 provides for the embodiment of the present invention two；
The flow chart of the data query method that Fig. 3 provides for the embodiment of the present invention three.
Detailed description of the invention
In order to make the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, the present invention is described in further detail, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, all other embodiments that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of protection of the invention.
Embodiment one
Fig. 1, for the structural representation of the data-storage system that the embodiment of the present invention one provides.As it is shown in figure 1, this data-storage system comprises the steps that
Primary physical data base the 11, first memory database 12, from physical database the 13, second memory database 14.First memory database 12, only it is used for inquiring about from physical database 13 and the second memory database 14.
Wherein, primary physical data base 11 is used for storing primary sources, secondary sources and the 3rd class data.
From the data that physical database 13 stores for asynchronous replication primary physical data base 11.
First memory database 12 is for storing the primary sources in primary physical data base 11 by primary physical data base 11；Second memory database 14 by storing the secondary sources in primary physical data base 11 from physical database 13；
Wherein, the coherence request of primary sources read-write is higher than the coherence request to secondary sources read-write, the concurrency that accesses of secondary sources is higher than the access concurrency to the 3rd class data.
Primary sources can be the data of strong consistency, relating to the data such as the payment in business handling, change of product, subscriber data change in operator CRM (CustomerRelationshipManagement, customer relation management) system is the data of strong consistency；Secondary sources can be the data of weak consistency, and the 3rd class data can be the data of most weak consistency.
In order to ensure the real-time of the primary sources in the first memory database, the first memory database 12 is for being synchronously written the primary sources of primary physical data base 11 write.And the secondary sources that the second memory database 14 writes from physical database 13 for asynchronous write.
In order to share the storage pressure of the first memory database 12, the first memory database 12 can be multiple, can include main first internal storage data and at least one is from the first memory database.Wherein, described master's the first memory database is for being synchronously written the primary sources of primary physical data base 11 write, at described master's the first memory database for after being synchronously written the primary sources that primary physical data base 11 writes, trigger the described primary sources being synchronously written primary physical data base 11 write from the first memory database by described master's the first memory database, owing to writing, from the first data base, the primary sources that physical database 11 writes from the first memory database in main, it is all that the data in internal memory carry out simultaneously operating, therefore while sharing the first memory database pressure, the real-time of data can also be ensured.
Can be multiple to share storage pressure second memory database 14 of the second memory database 14.Wherein, multiple second memory databases can pass through the secondary sources from physical database 13 asynchronous write primary physical data base 11 write, therefore, multiple second memory databases, while sharing the storage pressure of the second memory database 14, also can ensure the reading that the second data are real-time.
Second memory database 14 is by the secondary sources from physical database 13 asynchronous write primary physical data base 11 write, similar Internet enterprises data syn-chronization mode can be adopted, can also adopt and extract, based on database journal, the mode changed, to change or newly written content in primary physical data base, asynchronous refresh is to the second memory database.Wherein, the data that secondary sources can relate to for general service inquiry and the inquiry of all of static data, statistics, extraction etc..It addition, the second memory database is by the secondary sources from physical database asynchronous write primary physical data base write, also reduce the pressure of primary physical data base.
The above-mentioned data from physical database 13 asynchronous replication primary physical data base 11 storage, include but not limited to following several ways:
Mode one: adopt trigger.First, trigger is adopted to be triggered in interim table the change of primary physical data base, then from interim table asynchronous refresh to from physical database.
Mode two: extract from the daily record of primary physical data base and update and newly written content, then by the daily record reproduction that extracts to from physical database.It should be noted which is based on the single table in primary physical data base is replicated.
Mode three: adopt the activedataguard technology of oracle database, which is based on the full dose of database journal fulfillment database and replicates.
Can be seen that, mode two and mode three are all the modes replicated by database journal, but the automatic duplication of the table one by one that mode two is based in primary physical data base, when multiple table relatednesss are very strong, the duplication sequence of table is just critically important, easily occur that data are inconsistent, and safeguard that configuration is very complicated.And mode three is the technology being automatically provided data consistency by oracle database, and based on the automatic duplication in full storehouse, it is easy to safeguard.In actual applications, according to different demands, the mode of asynchronous replication can be selected voluntarily, for instance, when in primary physical data base, renewal or newly written content are less, it is possible to adopt aforesaid way one or mode two content in primary physical data base to be replicated asynchronously to from physical database；When in main assistant database, renewal or newly written content are more, it is possible to adopt aforesaid way three content in primary physical data base to be replicated asynchronously to from physical database.Owing to the table in the data base of general telecommunications industry crm system is very many, annexation and data model between table and table are complicated, it is difficult to the duplication of full dose table, it is only capable of support section and closes key table, and under the scene realizing multilist association, it is difficult to support, need to do the transformation of substantial amounts of program and realize single table access, therefore the activedataguard technology of oracle database is adopted, the scene that can realize complex statistics inquiry uses, as form class is inquired about, including operating income daily paper, merchandise sales daily paper, operating income report query, core of reckoning by the piece reward inquiry, business checks that class business such as KPI index and business monitoring data are extracted, operation analysis system data extraction etc..
In order to not affect the real-time of data, in data write phase, can close and limit from the read-only access of physical database 13.
The data-storage system that above-described embodiment one provides, including primary physical data base, the first memory database, from physical database, the second memory database；Described first memory database, described from physical database and described second memory database be only used for inquiring about；Described primary physical data base is used for storing primary sources, secondary sources and the 3rd class data；The described data from physical database for primary physical database purchase described in asynchronous replication；Described first memory database is for storing the primary sources in described primary physical data base by described primary physical data base；Described second memory database is by the described secondary sources stored from physical database described primary physical data base；Wherein, the coherence request that described primary sources are read and write is higher than the coherence request that described secondary sources are read and write, the concurrency that accesses of described secondary sources is higher than the access concurrency to described 3rd class data, by the data of storage in primary physical data base are classified according to the requirement of coherence request, concurrency, and data high for coherence request are stored in the first memory database, data high for concurrency are stored in the second memory database, by not high for concurrency but data that visit capacity is big by storing from physical database；Read it is thus possible to ensure high access and meet the requirement of data consistency from corresponding memory space according to the attribute of inquiry data.
Embodiment two
Based on identical technology design, the embodiment of the present invention two also provides for a kind of date storage method, and the method can be applicable to the data-storage system that above-described embodiment one provides.
Fig. 2, for the date storage method flow chart that the embodiment of the present invention two provides.As it can be seen, this date storage method comprises the steps that
S201, reception data write request.
S202, the data write primary physical data base that will receive, and trigger from physical database asynchronous write.
S203, judge receive data whether belong to primary sources.If the data received belong to primary sources, then go to step S204；Otherwise, step S205 is gone to.
S204, the data syn-chronization of reception is write the first memory database.
S205, judge receive data whether belong to secondary sources.If the data received belong to secondary sources, then go to step S206, otherwise terminate.
S206, by the data that receive by from physical database asynchronous write the second memory database.
In order to share the storage pressure of the first memory database, first memory database can be multiple, if the first memory database is multiple, namely include main first memory database and at least one from the first memory database time, after the data syn-chronization of reception is write the first memory database i.e. main first memory database by step S204, also the data of reception can be synchronously written at least one from the first memory database by leading the first memory database.After described master's the first memory database is synchronously written the primary sources of primary physical data base write, trigger the described primary sources being synchronously written primary physical data base write from the first memory database by described master's the first memory database, owing to writing, from the first data base, the primary sources that physical database writes from the first memory database in main, it is all that the data in internal memory carry out simultaneously operating, therefore while sharing the first memory database pressure, moreover it is possible to ensure the real-time of data.
In order to ensure the efficiency that data write, if there is, when the data of reception are synchronously written at least one from the first memory database by main first memory database, the situation that write is failed, then can be down state by writing the failed status indication from the first memory database accordingly.
Concrete, if the second memory database is multiple, in step S206, the data received are passed through from multiple second memory database of physical database asynchronous write.
In order to ensure the efficiency that data write, if in the data that will receive by there is the situation that write is failed during from physical database asynchronous write multiple second memory database, then can be down state by the status indication writing the second failed memory database accordingly.
The date storage method that above-described embodiment two provides, is applied to the described data-storage system that above-described embodiment one provides, including: receive data write request；Described data are write primary physical data base, and triggers from physical database asynchronous write；If described data belong to primary sources, then described data syn-chronization is write the first memory database；If described data belong to secondary sources, then by described data by described from physical database asynchronous write the second memory database, by the data of storage in primary physical data base are classified according to the requirement of coherence request, concurrency, and data high for coherence request are stored in the first memory database, data high for concurrency are stored in the second memory database, by not high for concurrency but data that visit capacity is big by storing from physical database；Read it is thus possible to ensure high access and meet the requirement of data consistency from corresponding memory space according to the attribute of inquiry data.
Embodiment three
Based on the basis of the data-storage system of above-described embodiment one offer, the embodiment of the present invention three also provides for a kind of data query method.
Fig. 3, for the flow chart of the data query method that the embodiment of the present invention three provides.As it is shown on figure 3, the method comprises the steps that
S301, reception data inquiry request.
S302, according to described data inquiry request, it is judged that inquiry data type.If described inquiry data are primary sources, then go to step S303；If described inquiry data are secondary sources, then go to step S304；If described inquiry data are the 3rd class data, then go to step S305.
S303, inquire about the first memory database.
S304, inquire about the second memory database.
S305, inquiry are from physical database.
After receiving data inquiry request, the table name in the Agent layer data inquiry request to receiving can be passed through and data type carries out business packed.Wherein data type can be primary sources, secondary sources, the 3rd class data.If after receiving data inquiry request, by the table name encapsulated, it is determined that the data type inquired about is primary sources, then directly can read data from the first memory database；If after receiving data inquiry request, by the table name encapsulated, determine that the data type inquired about is secondary sources, then directly can read data from the second memory database, if after receiving data inquiry request, by the table name encapsulated, it is determined that the data type inquired about is the 3rd class data, then can directly inquire about from physical database.In order to improve the speed of digital independent, querying condition, when the table name in inquiry request, data type are carried out business packed, also can be also carried out business packed by Agent layer.
Concrete, when above-mentioned steps S303 inquires about the first memory database, if not inquiring described data from the first memory database inquired about, then continue inquiry primary physical data base, and the data syn-chronization inquired in primary physical data base can be write described first memory database.If the first memory database include main first memory database and at least one from the first memory database time, the data syn-chronization inquired in primary physical data base then can be write described first main memory data base, and trigger corresponding from the data inquired from primary physical data base described in the first memory database write.
In order to share the storage pressure of the first memory database, the first memory database can be multiple, namely includes main first memory database and at least one is from the first memory database.If the first memory database is multiple, can pass through at main first memory database and distributor is set before the first memory database, by distributor, the inquiry data received being distributed to different memory databases according to certain rule and process.
It should be noted that the application of data-storage system, method and querying method that above-described embodiment one to embodiment three provides can be applied not only to telecommunications industry scene, apply also for other industry, such as the Internet, enterprise, bank etc..
Data-storage system that above-described embodiment one to embodiment three provides, method and querying method, including primary physical data base, the first memory database, from physical database, the second memory database；Described first memory database, described from physical database and described second memory database be only used for inquiring about；Described primary physical data base is used for storing primary sources, secondary sources and the 3rd class data；The described data from physical database for primary physical database purchase described in asynchronous replication；Described first memory database is for storing the primary sources in described primary physical data base by described primary physical data base；Described second memory database is by the described secondary sources stored from physical database described primary physical data base；Wherein, the coherence request that described primary sources are read and write is higher than the coherence request that described secondary sources are read and write, the concurrency that accesses of described secondary sources is higher than the access concurrency to described 3rd class data, by the data of storage in primary physical data base are classified according to the requirement of coherence request, concurrency, and data high for coherence request are stored in the first memory database, data high for concurrency are stored in the second memory database, by not high for concurrency but data that visit capacity is big by storing from physical database；Read it is thus possible to ensure high access and meet the requirement of data consistency from corresponding memory space according to the attribute of inquiry data.
The present invention is that flow chart and/or block diagram with reference to method according to embodiments of the present invention, equipment (system) and computer program describe.It should be understood that can by the combination of the flow process in each flow process in computer program instructions flowchart and/or block diagram and/or square frame and flow chart and/or block diagram and/or square frame.These computer program instructions can be provided to produce a machine to the processor of general purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device so that the instruction performed by the processor of computer or other programmable data processing device is produced for realizing the device of function specified in one flow process of flow chart or multiple flow process and/or one square frame of block diagram or multiple square frame.
These computer program instructions may be alternatively stored in and can guide in the computer-readable memory that computer or other programmable data processing device work in a specific way, the instruction making to be stored in this computer-readable memory produces to include the manufacture of command device, and this command device realizes the function specified in one flow process of flow chart or multiple flow process and/or one square frame of block diagram or multiple square frame.
These computer program instructions also can be loaded in computer or other programmable data processing device, make on computer or other programmable devices, to perform sequence of operations step to produce computer implemented process, thus the instruction performed on computer or other programmable devices provides for realizing the step of function specified in one flow process of flow chart or multiple flow process and/or one square frame of block diagram or multiple square frame.
Although preferred embodiments of the present invention have been described, but those skilled in the art are once know basic creative concept, then these embodiments can be made other change and amendment.So, claims are intended to be construed to include preferred embodiment and fall into all changes and the amendment of the scope of the invention.
Obviously, the present invention can be carried out various change and modification without deviating from the spirit and scope of the present invention by those skilled in the art.So, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (10)
1. a data-storage system, it is characterised in that include primary physical data base, the first memory database, from physical database, the second memory database；Described first memory database, described from physical database and described second memory database be only used for inquiring about；
Described primary physical data base is used for storing primary sources, secondary sources and the 3rd class data；
The described data from physical database for primary physical database purchase described in asynchronous replication；
Described first memory database is for storing the primary sources in described primary physical data base by described primary physical data base；
Described second memory database is by the described secondary sources stored from physical database described primary physical data base；
Wherein, the concurrency that accesses of described secondary sources, higher than the coherence request that described secondary sources are read and write, is higher than the access concurrency to described 3rd class data by the coherence request that described primary sources are read and write.
2. data-storage system as claimed in claim 1, it is characterised in that
Described first memory database is for being synchronously written the primary sources of described primary physical data base write；The secondary sources that described second memory database writes from physical database described in asynchronous write.
3. data-storage system as claimed in claim 2, it is characterized in that, described first memory database is multiple, including main first memory database with from the first memory database, described master's the first memory database is for being synchronously written the primary sources of described primary physical data base write, and relevant to the primary sources of write is used for being synchronously written from the first memory database.
4. data-storage system as claimed in claim 2, it is characterised in that described second memory database is multiple, and second memory database relevant to the secondary sources of write is for asynchronous write.
5. a date storage method, it is characterised in that be applied to the data-storage system as described in any one of Claims 1-4, including:
Receive data write request；
Described data are write primary physical data base, and triggers from physical database asynchronous write；
If described data belong to primary sources, then described data syn-chronization is write the first memory database；
If described data belong to secondary sources, then by described data by described from physical database asynchronous write the second memory database.
6. method as claimed in claim 5, it is characterised in that if described data belong to primary sources, then described data syn-chronization is write the first memory database, also include:
By main for the write of described data syn-chronization the first memory database；
Relevant to described data carries out data write from the first memory database by described master's the first memory database.
7. method as claimed in claim 5, it is characterised in that if described data belong to secondary sources, then by described data by described from physical database asynchronous write the second memory database, also include: described second memory database is multiple,
Second memory database relevant to described data carries out data write by described from physical database.
8. method as claimed in claims 6 or 7, it is characterised in that if relevant to described data writes unsuccessfully from the first memory database or the second internal storage data relevant with described data, be then marked as down state.
9. a data query method, it is characterised in that be applied to the data-storage system as described in any one of Claims 1-4, including:
Receive data inquiry request；
According to described data inquiry request, it is judged that the type of inquiry data；
If described data are primary sources, then inquire about the first memory database；
If described data are secondary sources, then inquire about the second memory database；
If described data are the 3rd class data, then inquire about from physical database.
10. method as claimed in claim 9, it is characterised in that
If described first memory database does not have described data, then inquiry primary physical data base；
The described data inquired are write described first memory database；
If described first memory database includes main first memory database and from the first memory database,
Then the described data inquired are write described master's the first memory database, and triggers corresponding from the first memory database described data of write.
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| CN103390041A (en) * | 2013-07-18 | 2013-11-13 | 杭州东信北邮信息技术有限公司 | Method and system for providing data service based on middleware |
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