CN104391949B - A kind of wide-area data method for managing resource based on data dictionary - Google Patents
A kind of wide-area data method for managing resource based on data dictionary Download PDFInfo
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- CN104391949B CN104391949B CN201410707762.5A CN201410707762A CN104391949B CN 104391949 B CN104391949 B CN 104391949B CN 201410707762 A CN201410707762 A CN 201410707762A CN 104391949 B CN104391949 B CN 104391949B
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- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
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Abstract
The present invention relates to a kind of wide-area data method for managing resource based on data dictionary, including：In the case where not destroying and not influenceing available data and applied, available data resource is anticipated, generate the independent Dictionary Entity with data resource feature, design data dictionary management mechanism, data directory is carried out using multi-stage data dictionary approach, with similar polymerization technique compressed data dictionary, optimize data retrieval process；Data dictionary is disposed in wide area network system, there is provided data directory service, network host access data entity by data dictionary location data resource.The method of the present invention, by the data dictionary that unification is general, realize the unified of wide area network internodal data resource and safeguard and efficiently share, ensure that real-time and uniformity that client data accesses；This method can be in interconnectivity and sharing network-wide basis data resource；Improve data resource utilization rate and data resources management efficiency.
Description
Technical field
The present invention relates to a kind of method for managing resource in power system dispatching automation technique field, in particular to one kind is based on
The wide-area data method for managing resource of data dictionary.
Background technology
Existing intelligent grid supporting system technology has good horizontal integrating, longitudinally through ability, Neng Gouchong
Divide and meet each professional needs of current scheduling institution, with deepening continuously and across the fast of large-sized connection electrified wire netting for China's electric Power Reform
Speed development, it is determined that following power network close-coupled, scheduling system overall situation wide area, the trend of dynamic integration.Number in existing system
Each dispatch area is dispersed according to resource, using centralized management mode, is taken by active/standby server to providing data access in region
Business.In this way, bring some problems：1st, the observability of data resource is confined to single dispatch area, and data resource can not be in the whole network model
Enclose interior unified management, interconnectivity and sharing；2nd, the data resource management efficiency in network-wide basis is relatively low, realizes transregional data access needs
Handled again after data sources initial data；3rd, same data are likely stored on the node of multiple different dispatch areas,
Bring data multiple-source problem, the utilization rate of data resource is relatively low.
The content of the invention
In view of the shortcomings of the prior art, it is an object of the invention to provide a kind of wide-area data resource pipe based on data dictionary
Reason method, the data resource that this method can be in interconnectivity and sharing network-wide basis；Improve data resource utilization rate and data resource pipe
Manage efficiency.
The purpose of the present invention is realized using following technical proposals：
The present invention provides a kind of wide-area data method for managing resource based on data dictionary, and it is theed improvement is that, described
Method comprises the steps：
1) Dictionary Entity is generated, and collects all Dictionary Entities and forms three-level dictionary；
2) two level dictionary is formed；
3) one-level dictionary is formed；
4) application program is positioned using multi-stage data dictionary and obtains whole network data resource.
Further, in the step 1), scheduling sub-district generates independent carrying and counted on the basis of legacy data resource
According to the Dictionary Entity of resource characteristic, and collect all data dictionary entities and form three-level dictionary；
Dispatch Dictionary Entity corresponding to each data entity generation in sub-district, record data mark and pair of Data Position
It should be related to；Data resource is organized in the form of data dictionary, and homogeneous data is scattered to be stored in multiple servers, passes through dictionary
In data positional information locating resource, access data；Three-level dictionary collects the word on all data servers in scheduling sub-district
Allusion quotation entity, server node name and physical location for the storage of record data resource；
Three-level dictionary is disposed by scheduling sub-district management service together with scheduling sub-district data, services, for providing scheduling
Sub-district data resource search function.
Further, the Dictionary Entity includes title, maintenance area and the file location information of data resource.
Further, in the step 2), dispatch area collect it is all scheduling sub-districts three-level dictionaries, generation Data Identification with
The corresponding relation of three-level dictionary position, and additional schedule subrange information, two level dictionary is formed, the data being managed collectively in dispatch area
Resource；
Similar optimizing polymerization is carried out to the content of two level dictionary, that is, merges multiple continuous datas of identical three-level dictionary position
Dictionary Entity；
Two level dictionary is disposed, for providing dispatch area data by dispatch area management service together with dispatch area data, services
Resource retrieval function.
Further, in the step 3), collect in network-wide basis it is each scheduling region two-stage dictionary, generation Data Identification with
The corresponding relation of two level dictionary position, and additional schedule area information, one-level dictionary is formed, for providing global data resource index
Service；Similar optimizing polymerization is carried out to the content of one-level dictionary.
Further, in the step 4), global one-level dictionary is disposed in network-wide basis, the application journey in network host
Sequence uses uniform data resource access interface, is positioned according to data dictionary and obtains whole network data resource.
Further, a variety of data resource access interfaces are designed, and use multi-stage data dictionary, with distinguishing different
Request service.
Compared with the prior art, the beneficial effect that reaches of the present invention is：
1st, the shared of whole network data resource is adequately achieved, it is effective to save manpower maintenance cost and system Construction cost,
The management and use efficiency of data resource in dispatching automation field is greatly enhanced, is the development, operation and management production of power network
Raw considerable benefit, there is provided strong technical support and guarantee.
2nd, solve existing system with power network scale gradually huge, data interaction more frequently caused by data access speed
The problem of degree declines and system upgrade extension is difficult.
3rd, framework is reasonable, designs multi-stage data dictionary structure, meets the data access demand of different usage scenarios, it is ensured that number
While according to access speed, resources management efficiency is improved, simplifies data maintenance flow.
4th, method of the invention, by unifying general data dictionary, the system of wide area network internodal data resource is realized
One safeguards and efficiently shares, and ensure that real-time and uniformity that client data accesses；Data resource index is optimized simultaneously
Process, improve data access speed；In following power network close-coupled, scheduling system overall situation wide area, the environment of dynamic integration
Under, the present invention can meet the distributed treatment requirement of mass data, improve the unified distribution efficiency of management of scheduling resource, strengthen
Whole network data resource interconnectivity and sharing, support the distributed proccessing of wide area system globality.
Brief description of the drawings
Fig. 1 is the flow chart of the wide-area data method for managing resource provided by the invention based on data dictionary；
Fig. 2 is the multistage dictionary schematic diagram of the wide-area data method for managing resource of specific embodiment provided by the invention.
Embodiment
The embodiment of the present invention is described in further detail below in conjunction with the accompanying drawings.
The present invention relates to a kind of wide-area data method for managing resource based on data dictionary, its flow chart is as shown in figure 1, bag
Include following step：
1) respectively on the basis of legacy data resource, it is real to generate the independent dictionary with data resource feature for scheduling sub-district
Body, collect all Dictionary Entities and form three-level dictionary；Title of the data dictionary entity comprising data resource, maintenance area, file
The information such as position；
Data access in existing system in dispatch area directly accesses data entity according to Data Identification (Record ID), similar
Data resource is stored in same server, and distributed data resources are not also supported in existing data access and resource management, with this
Cause set expandability not strong, performance bottleneck protrudes.In the present invention, Dictionary Entity corresponding to each data entity generation, record
The corresponding relation of Data Identification and Data Position.Data resource is organized in the form of data dictionary, and homogeneous data can divide
Dissipate and be stored in multiple servers, by the data positional information locating resource in dictionary, access data.Three-level dictionary summarizes son
Data dictionary entity in area on all data servers, the server node name and physical location of the storage of record data resource.
Three-level dictionary is disposed by sub-district management service together with sub-district data, services, there is provided sub-district data resource search function.
2) each dispatch area collects the three-level dictionary of sub-district data server, additional sub-region information, forms two level dictionary；
Each dispatch area collects the three-level dictionary of all sub-districts, generation Data Identification and the corresponding relation of three-level dictionary position,
And additional sub-region information, two level dictionary is formed, is managed collectively all data resources in dispatch area.Meanwhile in two level dictionary
Hold and carry out similar optimizing polymerization, merge multiple continuous data dictionary entities of identical three-level dictionary position, reduce dictionary content, carry
High data directory efficiency.Two level dictionary is disposed, there is provided dispatch area by each dispatch area management service together with dispatch area data, services
Data resource search function.
3) collect each scheduling region two-stage dictionary in network-wide basis, additional schedule area information, form global one-level dictionary, and
Disposed in network-wide basis.
Collect each scheduling region two-stage dictionary in network-wide basis, generation Data Identification is corresponding with two level dictionary position to close
System, and additional schedule area information, form one-level dictionary, there is provided global data resource index service.Meanwhile equally to one-level dictionary
Content carry out similar optimizing polymerization, further improve data access efficiency.
4) application program uses uniform data resource interface, according to requirements for access, is positioned and is obtained using multi-stage data dictionary
Take whole network data resource.
The data resource of each dispatch area is confined to region inter access and used in existing system, to the number in region outside region
It is invisible according to resource.In the present invention, by disposing global one-level dictionary in network-wide basis, application program is provided using uniform data
Source access interface, according to data dictionary location data resource.In view of the different scenes of data access request, in order to distinguish difference
The request service in source, a variety of data resource Retrieval Interfaces are designed, using multi-stage data dictionary, to allow application program flexibly to adjust
With raising data resource access efficiency.
Wide-area data method for managing resource provided by the invention based on data dictionary, does not influence available data not destroying
In the case of having applied, available data resource is anticipated, generates the independent word with data resource feature
Allusion quotation entity, design data dictionary management mechanism, data directory is carried out using multi-stage data dictionary approach, with similar polymerization technique
Compressed data dictionary, optimize data retrieval process；Data dictionary is disposed in wide area network system, there is provided data directory service, net
Network main frame accesses data entity, method of the invention, will be complete by data dictionary technology by data dictionary location data resource
The data access service interconnectivity and sharing of each dispatch area is netted, the unified distribution management of scheduling resource is realized and efficiently utilizes, be complete
Net analysis is with calculating, overall scheduling plan and control decision provide support and ensured, is also carried for the distributed treatment of mass data
For basis, the disposal ability of wide area system globality is further improved.
Embodiment
With reference to dispatch data net, adjusted with state, East China point is adjusted, Jiangsu Province is adjusted to example with reconciling Nanjing, to the present invention's
Technical scheme is described in further detail.The multistage of the wide-area data method for managing resource of specific embodiment provided by the invention
Dictionary schematic diagram is as shown in Figure 2.
1) state is adjusted, East China point is adjusted, Jiangsu Province adjust with reconciling Nanjing be different levels dispatch area, each dispatch area is because number
It is huge according to resource, and some scheduling sub-districts are divided into according to plant stand, each sub-district of dispatching is on the basis of legacy data resource, generation
The independent Dictionary Entity with data resource feature, collect all Dictionary Entities and form three-level dictionary；Data dictionary entity bag
The information such as title, maintenance area, document location containing data resource；
Example is adjusted to Jiangsu Province, can according to save adjust in the range of every 250 plant stands be a sub-district, each data reality in sub-district
Dictionary Entity corresponding to body generation, record data mark and the corresponding relation of Data Position.Data resource is with the shape of data dictionary
Formula organizes, and homogeneous data can disperse to be stored in multiple servers, by the data positional information locating resource in dictionary,
Access data.Three-level dictionary summarizes the data dictionary entity on all data servers, record data in the range of scheduling sub-district
The server node name and physical location of resource storage.Three-level dictionary adjusts management service by Jiangsu Province, with sub-district data, services one
Play deployment, there is provided sub-district data resource search function.
2) each dispatch area collects the three-level dictionary of sub-district data server, additional sub-region information, forms two level dictionary；
The three-level dictionary of all sub-districts in Jiangsu Province's collection of property abroad total size, generation Data Identification are corresponding with three-level dictionary position
Relation, and additional sub-region information, two level dictionary is formed, be managed collectively all data resources in dispatch area.Meanwhile to two level dictionary
Content carry out similar optimizing polymerization, merge multiple continuous data dictionary entities of identical three-level dictionary position, reduce in dictionary
Hold, improve data directory efficiency.Two level dictionary adjusts management service by Jiangsu Province, is disposed together with saving adjusting data service, there is provided adjusts
Spend area's data resource search function.State is adjusted, East China point is adjusted and forms its two level dictionary in this manner with reconciling Nanjing.
3) the two level dictionary that state is adjusted, East China point is adjusted, Jiangsu Province adjusts with reconciling Nanjing, additional schedule are collected in network-wide basis
Area's information, global one-level dictionary is formed, and disposed in network-wide basis.
Collect each scheduling region two-stage dictionary in network-wide basis, generation Data Identification is corresponding with two level dictionary position to close
System, and additional schedule area information, form one-level dictionary, there is provided global data resource index service.Meanwhile equally to one-level dictionary
Content carry out similar optimizing polymerization, further improve data access efficiency.
4) application program uses uniform data resource interface, according to requirements for access, is positioned and is obtained using multi-stage data dictionary
Take whole network data resource.
, it is necessary to when accessing the multiple data resources of multiple different dispatch areas so that state adjusts a certain global application as an example, system can be passed through
One data resource interface, according to level one data dictionary index data resource position, Data Position is adjusted then in East China point to East China point
Adjusting data service data accesses, and adjusts in Jiangsu Province and is then accessed to Jiangsu Province's adjusting data service data, by that analogy.River
After the access service of Su Sheng adjusting datas receives data access request, according to secondary data dictionary index data resource, sub-district is positioned
Position, and forward data access request.Sub-district determines the physical location of data resource further according to three-level dictionary, after obtaining data
Return to application.
In view of the different scenes of data access request, for the request service of distinguishing different, a variety of data are designed
Resource retrieval interface, using multi-stage data dictionary, to allow application program flexibly to call, improve data resource access efficiency.With river
Exemplified by Su Sheng tune is locally applied, then two level dictionary index data are directly used, sub-district is locally applied then directly to use three-level dictionary
Access data.
Finally it should be noted that：The above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof, to the greatest extent
The present invention is described in detail with reference to above-described embodiment for pipe, and those of ordinary skill in the art still can be to this hair
Bright embodiment is modified or equivalent substitution, these without departing from spirit and scope of the invention any modification or
Equivalent substitution, applying within pending claims of the invention.
Claims (6)
1. a kind of wide-area data method for managing resource based on data dictionary, it is characterised in that methods described comprises the steps：
1) Dictionary Entity is generated, and collects all Dictionary Entities and forms three-level dictionary；
2) two level dictionary is formed；
3) one-level dictionary is formed；
4) application program is positioned using multi-stage data dictionary and obtains whole network data resource；
In the step 1), scheduling sub-district generates independent with data resource feature on the basis of legacy data resource
Dictionary Entity, and collect all data dictionary entities and form three-level dictionary；
Dictionary Entity corresponding to each data entity generation in sub-district is dispatched, record data mark is corresponding with Data Position to close
System；Data resource is organized in the form of data dictionary, and homogeneous data is scattered to be stored in multiple servers, by dictionary
Data positional information locating resource, access data；The dictionary that three-level dictionary collects in scheduling sub-district on all data servers is real
Body, server node name and physical location for the storage of record data resource；
Three-level dictionary is disposed by scheduling sub-district management service together with scheduling sub-district data, services, and sub-district is dispatched for providing
Data resource search function.
2. wide-area data method for managing resource as claimed in claim 1, it is characterised in that the Dictionary Entity provides including data
Title, maintenance area and the file location information in source.
3. wide-area data method for managing resource as claimed in claim 1, it is characterised in that in the step 2), dispatch area is converged
The three-level dictionary of total all scheduling sub-districts, generation Data Identification and the corresponding relation of three-level dictionary position, and additional schedule sub-district
Information, two level dictionary is formed, the data resource being managed collectively in dispatch area；
Similar optimizing polymerization is carried out to the content of two level dictionary, that is, merges multiple continuous data dictionaries of identical three-level dictionary position
Entity；
Two level dictionary is disposed, for providing dispatch area data resource by dispatch area management service together with dispatch area data, services
Search function.
4. wide-area data method for managing resource as claimed in claim 1, it is characterised in that in the step 3), in the whole network model
Collect each scheduling region two-stage dictionary, generation Data Identification and the corresponding relation of two level dictionary position in enclosing, and additional schedule area believes
Breath, one-level dictionary is formed, for providing global data resource index service；Content progress to one-level dictionary is excellent with Type of Collective
Change.
5. wide-area data method for managing resource as claimed in claim 1, it is characterised in that in the step 4), in the whole network model
Enclose the global one-level dictionary of interior deployment, the application program in network host uses uniform data resource access interface, according to data word
Allusion quotation positions and obtains whole network data resource.
6. wide-area data method for managing resource as claimed in claim 5, it is characterised in that design a variety of data resource access and connect
Mouthful, and multi-stage data dictionary is used, with the request service of distinguishing different.
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| CN106708619B (en) * | 2015-07-21 | 2021-01-15 | 华为技术有限公司 | Resource management method and device |
| CN107147683A (en) * | 2016-03-01 | 2017-09-08 | 中国电力科学研究院 | A kind of distributed data based on data dictionary unifies access method |
| CN114138419B (en) * | 2021-12-07 | 2022-09-23 | 北京睿芯高通量科技有限公司 | Openresty-based cross-type inter-service data sharing method and system |
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| CN101145235A (en) * | 2007-06-29 | 2008-03-19 | 中国石化集团胜利石油管理局 | Oil field development decision-making system |
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