CN102214228A - Large-grid distributed real-time database system and data management method thereof - Google Patents
Large-grid distributed real-time database system and data management method thereof Download PDFInfo
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Abstract
The invention discloses a large-grid distributed real-time database system and a data management method thereof. The system comprises a wide-area distributed real-time database storage system (1), a globally unique identifier analysis and service positioning system (2), a sub-system internal real-time data access system (3) and a distributed service agent (4), wherein the wide-area distributed real-time database storage system is used for storing real-time data in a wide-area distributed environment and efficiently indexing the real-time data by a globally unique identifier; the globally unique identifier analysis and service positioning system is used for analyzing the globally unique identifier and positioning a logical space in which the real-time data is accommodated and a corresponding service agent by using the globally unique identifier; the sub-system internal real-time data access system provides service for the network access of the real-time data in a sub-system on the basis of the wide-area distributed real-time database storage system; and the distributed service agent is connected with the globally unique identifier analysis and service positioning system and the sub-system internal real-time data access system and provides the service for cross-area and cross-system sharing and access of the real-time data. By the invention, the sharing and management of the mass real-time data in the wide-area distributed network environment can be realized.
Description
Affiliated field
The present invention relates to a kind of real time data administrative skill, be specifically related to be applicable to management and the shared method and the distributing real-time data bank system of real time data in the big electrical network Wide Area Network, belong to the control technique in power system field.
Background technology
Real-time dataBase system combines the advantage of real-time system and Database Systems, is the nucleus module of electric power scheduling automatization system, is responsible for memory model data and management magnanimity real time data, provides data access and management interface efficiently for internal system simultaneously.
Traditional real-time data base has very strong cohesion as the single shoring of foundation module of internal system, can only store, the real time data of disposal system inside, and real time data is shared then very difficulty between system, has formed the real time data isolated island.Because the physical isomerism of system and the difference of geographic distribution, realize that the interdepartmental system overall situation of real time data is shared, need finish derivation, conversion, transmission and the importing work of real time data, treatment scheme and complicated loaded down with trivial details, appearance along with big electrical network, especially big electrical network, the real time data amount of handling in the system will present the growth of geometric series, the pattern of poly-formula deal with data, centralised storage data can not adapt to the network system wide areaization in the tradition real-time dataBase system, the demand of depth development, become big electrical network global calculation, the technical bottleneck of intelligent scheduling.
Summary of the invention
Technical matters to be solved by this invention is to realize that the magnanimity real time data is shared and management under the wide-area distribution type network environment, eliminate the real time data isolated island, realize that real time data is shared with mutual between each subsystem of power scheduling, make that real time data is shared between dispatch automated systems at different levels.
For solving the problems of the technologies described above, the invention provides a kind of big electrical network distributing real-time data bank system, it is characterized in that, comprising:
1) wide-area distribution type is counted library storage system in real time, is used under the wide-area distribution type environment real time data being stored, and by globally unique identifier real time data is carried out efficient index;
2) globally unique identifier resolves and service positioning system, is used to resolve globally unique identifier, and by residing logical space of this mark location real time data and corresponding service broker;
3) the inner real-time data access system of each node subsystem is counted library storage system in real time based on wide-area distribution type, for the inner real time data access to netwoks of each node subsystem provides service; Each node subsystem refers to the real-time base management system system of each node.
4) Distributed Services agency connects the inner real-time data access system of globally unique identifier's parsing and service positioning system and subsystem, for real time data trans-regional, interdepartmental system is shared and visit provides service.
Simultaneously, the invention provides a kind of data managing method, it is characterized in that, may further comprise the steps according to aforesaid big electrical network distributing real-time data bank system based on overall identification:
1) model data in the wide area large scale electric network and real time data are carried out overall uniqueness sign, model data and real time data are carried out distributed storage by the globally unique identifier that sets up;
2) application module comprises the globally unique identifier of real time data sending arbitrary overall real-time data access request to the native system distributing real-time data bank in the subsystem arbitrarily in the data access request;
3) resolve globally unique identifier, locate residing distributed subsystem of these data and corresponding service broker;
4) obtain quoting of real time data by the distributing real-time data bank service broker from concrete physical network;
5) application module is finished visit to data by the service broker;
6) the backward reference state is given energy management system (this distributed real-time storehouse system is a module of this energy management system) application module that uses this distributed real-time storehouse system, finishes sharing and management of global data.
A kind of big electrical network distributing real-time data bank system provided by the invention and data managing method thereof are set up the uniqueness sign to the real time data in the network system, by the uniqueness sign real time data are carried out the wide-area distribution type storage; Send the real-time data access request at big intrasystem arbitrary node, by quick location and load balancing position mechanism, determine the system entity and the physical node of carrying real time data, wherein fast location mechanism is meant by specifying unique identification to determine the affiliated child node system of this real time data of carrying fast, load-balancing mechanism is meant, each child node system is made up of two or two above server nodes usually, and the real time data management system can judge current accessed with which station server node link setup be communicated by letter according to each server node connection amount; Act on behalf of the visit of finishing real time data by real time data.By distributed real-time data management method provided by the invention and distributed network real-time data base; can solve the shared and management of magnanimity real time data under the wide-area distribution type network environment; eliminate the real time data isolated island; realize that real time data is shared with mutual between each subsystem of power scheduling; make between dispatch automated systems at different levels real time data share and become a reality that global calculation, the integrated schedule information of imperial scale interconnected network of big electrical network are shared provides important techniques to support.
Description of drawings
Fig. 1 is a real-time data access process flow diagram of the present invention.
Embodiment
The invention will be further described in conjunction with the accompanying drawings.Fig. 1 is a data flowchart of the present invention.Describe client arbitrary subsystem in the wide area system and initiated the real-time data access request.
The invention provides a kind of big electrical network distributing real-time data bank system, comprising:
1. wide-area distribution type real-time data memory system is used under the wide-area distribution type environment real time data being stored, and by globally unique identifier real time data is carried out the high-performance index;
2. globally unique identifier resolves and service positioning system, is used to resolve globally unique identifier, and by unique identification residing subsystem of location real time data and corresponding service broker;
3. the internal system real-time data access system is counted storage system based on wide-area distribution type, in real time for the real time data access to netwoks of subsystem inside provides service;
4. Distributed Services agency plant connects globally unique identifier's parsing, service positioning system and internal system real-time data access system, and how tactful load-balancing method is provided, and shared and visit provides service for real time data trans-regional, interdepartmental system.
The distributed real-time data management that is applicable to Wide Area Network of the present invention and share method comprises the steps:
1) model data in the wide area large scale electric network and real time data are carried out overall uniqueness sign, model data and real time data are carried out distributed storage by the globally unique identifier that sets up;
2) application module comprises the globally unique identifier of real time data sending arbitrary overall real-time data access request to the native system distributing real-time data bank in the subsystem arbitrarily in the data access request;
3) resolve globally unique identifier, locate residing distributed subsystem of these data and corresponding service broker;
4) obtain quoting of real time data by the distributing real-time data bank service broker from concrete physical network;
5) application module is finished visit to data by the service broker;
6) the backward reference state is given the energy management system application module that uses this distributed real-time storehouse system, finishes sharing and management of global data.
In described step 1), by area type, affiliated application, model attributes, data type described real time data is formed globally unique identifier, data are managed and share by globally unique identifier, globally unique identifier comprises:
The regional space sign: describe the residing system environments of this real time data, for example a real time data is under the jurisdiction of state's adjusting system or North China system;
Affiliated application identities: describe the affiliated concrete application of this real time data, for example a real time data can belong to the scada application, and pas uses;
Table space sign: the residing list area set of data of description, for example to be present in the bus table still be the AC line segment table to real time data;
Attribute space sign: the described Domain Properties of expression real time data;
The record space sign: the record space sign is described the skew in the table set of real time data place.
According to regional space sign, affiliated application identities, table space sign, attribute space sign, the record space sign is carried out distributed storage, electric system real time data of unique description to real time data in total system.
In described step 2) in, data access request comprises the data unique identification, the distributing real-time data bank system by unique identification carry out system location successively, use the location, table set location, attribute location, record-shifted location visit real time data, and data access request can be sent from the arbitrary node of anyon system, is not subjected to the geographic position effects limit.
In described step 3), analyze globally unique identifier, locate and obtain corresponding service broker, visit real time data by the service broker, further may further comprise the steps:
31) handle globally unique identifier by regional space sign mask, extract the regional space sign;
32) obtain the service broker of corresponding region by the regional space sign;
33) handle globally unique identifier, obtain the affiliated application of real time data;
34) obtain real time data by the service broker.
In described step 3), obtain corresponding distributed real-time by the regional space sign and count the storehouse service broker, each service broker is in charge of the real time data in the space, corresponding region.
By returning the situation of global state coded representation data management.
The present invention is at first according to real time data place, access identities location subsystem, if local system is then visited local storehouse in real time, desired data is returned in real-time storehouse from this locality; If distant place system then acts on behalf of the location and is connected to real-time storehouse, distant place system place by real-time storehouse virtual network, return desired data from the real-time storehouse of distant place system.
Big electrical network distributing real-time data bank system that example of the present invention proposes and data managing method thereof are primarily aimed at the real needs that the integrated schedule information of imperial scale interconnected network is shared and flattening is dispatched; on the basis of traditional section real-time data base inwardly; the introducing globalize is described; distributed storage; methods such as virtualized access; having solved traditional real-time data base manages at a plurality of inter-system datas; the difficult problem of data sharing; realized that overall real time data is shared; eliminated real time data isolated island between subsystem; increased substantially the retrieval rate of real time data simultaneously, integrated schedule information is shared and the flattening scheduling provides the necessary technology guarantee.For example, net the 500000 telemetry amounts of accent for the typical case, its data retrieval speed is 500,000 times/second.
Below disclose the present invention with preferred embodiment, so it is not in order to restriction the present invention, and all employings are equal to replaces or technical scheme that the equivalent transformation mode is obtained, all drops within protection scope of the present invention.
Claims (7)
1. big electrical network distributing real-time data bank system is characterized in that, comprising:
1) wide-area distribution type is counted library storage system in real time, is used under the wide-area distribution type environment real time data being stored, and by globally unique identifier real time data is carried out efficient index;
2) globally unique identifier resolves and service positioning system, is used to resolve globally unique identifier, and by residing logical space of this mark location real time data and corresponding service broker;
3) the inner real-time data access system of each node subsystem is counted library storage system in real time based on wide-area distribution type, for the inner real time data access to netwoks of each node subsystem provides service;
4) Distributed Services agency connects globally unique identifier's parsing and service positioning system and the inner real-time data access system of subsystem, and shared and visit provides service for real time data trans-regional, interdepartmental system.
2. the data managing method of big electrical network distributing real-time data bank according to claim 1 system is characterized in that, may further comprise the steps:
1) model data in the wide area large scale electric network and real time data are carried out overall uniqueness sign, model data and real time data are carried out distributed storage by the globally unique identifier that sets up;
2) application module comprises the globally unique identifier of real time data sending arbitrary overall real-time data access request to the total system distributing real-time data bank in the subsystem arbitrarily in the data access request;
3) resolve globally unique identifier, locate residing distributed subsystem of these data and corresponding service broker;
4) obtain quoting of real time data by the distributing real-time data bank service broker from concrete physical network;
5) application module is finished visit to data by the service broker;
6) the backward reference state is given the energy management system application module that uses this distributed real-time storehouse system, finishes sharing and management of global data.
3. the data managing method of big electrical network distributing real-time data bank according to claim 2 system, it is characterized in that: in described step 1), globally unique identifier comprises:
Regional space sign: describe the residing system environments of this real time data;
Affiliated application identities: describe the affiliated concrete application of this real time data;
Table space sign: the residing list area set of data of description;
Attribute space sign: the described Domain Properties of expression real time data;
The record space sign: the record space sign is described the skew in the table set of real time data place.
4. the data managing method of big electrical network distributing real-time data bank according to claim 2 system, it is characterized in that: in described step 2) in, the distributing real-time data bank system by unique identification carry out system location successively, use the location, table set location, attribute location, record-shifted location visit real time data, and data access request is sent from the arbitrary node of anyon system, is not subjected to the geographic position effects limit.
5. the data managing method of big electrical network distributing real-time data bank according to claim 2 system, it is characterized in that: in described step 3), analyze globally unique identifier, locate and obtain corresponding service broker, visit real time data by the service broker, further may further comprise the steps:
31) handle globally unique identifier by regional space sign mask, extract the regional space sign;
32) obtain the service broker of corresponding region by the regional space sign;
33) handle globally unique identifier, obtain the affiliated application of real time data;
34) obtain real time data by the service broker.
6. the data managing method of big electrical network distributing real-time data bank according to claim 2 system, it is characterized in that: in described step 3), obtain corresponding distributed real-time by the regional space sign and count the storehouse service broker, each service broker is in charge of the real time data in the space, corresponding region.
7. the data managing method of big electrical network distributing real-time data bank according to claim 2 system, it is characterized in that: according to real time data place, access identities location subsystem, if local system is then visited local storehouse in real time, desired data is returned in real-time storehouse from this locality; If distant place system then acts on behalf of the location and is connected to real-time storehouse, distant place system place by real-time storehouse virtual network, return desired data from the real-time storehouse of distant place system.
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| CN102750371A (en) * | 2012-06-15 | 2012-10-24 | 中国电力科学研究院 | Parallel real-time database system and data management method thereof for power system |
| CN102855391A (en) * | 2012-08-10 | 2013-01-02 | 南京南瑞继保电气有限公司 | Enhanced message service (EMS) multi-professional-data holographic storage and panoramic accident inversion method |
| CN102968485A (en) * | 2012-11-26 | 2013-03-13 | 国电南瑞科技股份有限公司 | Method for displaying real-time database menu item based on virtual domain |
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| CN102855391B (en) * | 2012-08-10 | 2016-03-02 | 南京南瑞继保电气有限公司 | The multi-specialized data holographic of a kind of EMS stores and panorama accident inversion method |
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| CN106210053A (en) * | 2016-07-12 | 2016-12-07 | 国家电网公司 | A kind of electrical power system wide-area information management method |
| CN106682106A (en) * | 2016-12-05 | 2017-05-17 | 国网宁夏电力公司信息通信公司 | Distributed management system based on massive electric power real-time data |
| CN109831470A (en) * | 2017-11-23 | 2019-05-31 | 阿里巴巴集团控股有限公司 | Application data management method, device and electronic equipment |
| CN110046202A (en) * | 2019-03-07 | 2019-07-23 | 中国人民解放军海军工程大学 | The integrated power system real time data releasing method of key value database based on memory |
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