CN113342827A - Power grid data storage method, storage medium and system based on multi-tenant technology - Google Patents
Power grid data storage method, storage medium and system based on multi-tenant technology Download PDFInfo
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Abstract
The invention provides a power grid data storage method, a storage medium and a system based on a multi-tenant technology, wherein the method comprises the following steps: generating a plurality of tenants for a plurality of power utilization areas by adopting a multi-tenant technology; acquiring the number of tenants and the average traffic of the tenants; judging whether the number of the tenants exceeds a preset threshold value and whether the average traffic of the tenants reaches the standard; selecting a data storage mode according to the judgment result: if the number of the tenants does not exceed a preset threshold value, establishing an independent database for each tenant to store the power grid data; if the number of the tenants exceeds a preset threshold value and the average traffic of the tenants reaches the standard, establishing a shared database for all the tenants, and establishing an independent mode for each tenant in the shared database to store the power grid data; if the number of the tenants exceeds a preset threshold value and the average traffic of the tenants does not reach the standard, a shared database is established for all the tenants, and a shared mode is established for all the tenants in the shared database for power grid data storage.
Description
Technical Field
The invention relates to the technical field of data processing, in particular to a power grid data storage method, a storage medium and a system based on a multi-tenant technology.
Background
At present, the overall power supply of China is in tension, the power shortage in partial areas and partial time periods is relatively serious, and with the continuous expansion of the scale of a power grid and the continuous increase of the complexity of the power grid in China, the power consumption analysis of power consumption data of the power consumption areas, the power consumption peak time periods and the like is needed, so that a reasonable power supply scheme is obtained to relieve the situation of power supply tension. Therefore, a data acquisition module is usually used for acquiring power grid data of each power utilization area, and then the acquired power grid data are stored so as to be transmitted to an external analysis system for comprehensive power utilization analysis, and after the power grid data are stored, in order to reduce the risk of simultaneous leakage of the power grid data of each power utilization area, the isolation between the power grid data of each power utilization area needs to be ensured.
Multi-tenant technology (multi-tenant technology), or multi-tenancy technology, is a software architecture technology that refers to sharing the same system or program components in an environment of multiple tenants while ensuring data isolation between the tenants. In the multi-tenant technology, a tenant refers to a user using a system or computer computing resources, and includes all data that can be identified as a designated user in the system, such as account and statistical information, various data created by the user in the system, and a customized application program environment of the user, which all belong to the scope of the tenant; the tenant uses application systems or operating resources based on the vendor's development or provisioning.
Therefore, at present, the isolation between the power grid data is usually ensured by using a multi-tenant technology, specifically, a plurality of tenants are generated for the power grid data, and then an independent database is respectively established for each tenant to store the power grid data of each power utilization area, so that the isolation between the power grid data of each power utilization area can be ensured based on the plurality of tenants. However, although the isolation between the grid data can be ensured by establishing an independent database for each tenant to store the grid data, the number of installed databases is increased, which brings high acquisition cost and maintenance cost, and results in a data storage mode that is not reasonable enough.
Disclosure of Invention
The invention aims to solve the technical problem of how to realize low cost on the basis of realizing data isolation by adopting a multi-tenant technology.
In order to solve the technical problem, the invention provides a power grid data storage method based on a multi-tenant technology, which comprises the following steps:
A. generating a plurality of tenants for a plurality of power utilization areas by adopting a multi-tenant technology;
B. acquiring the number of tenants and the average traffic of the tenants;
C. judging whether the number of the tenants exceeds a preset threshold value and whether the average traffic of the tenants reaches the standard;
D. selecting a data storage mode according to the judgment result in the step C, specifically: if the number of the tenants does not exceed a preset threshold value, establishing an independent database for each tenant to store the power grid data; if the number of the tenants exceeds a preset threshold value and the average traffic of the tenants reaches the standard, establishing a shared database for all the tenants, and establishing an independent mode for each tenant in the shared database to store the power grid data; if the number of the tenants exceeds a preset threshold value and the average traffic of the tenants does not reach the standard, establishing a shared database for all the tenants, and establishing a shared mode for all the tenants in the shared database for power grid data storage.
Preferably, in the step B, the average traffic of the tenant includes an average storage space demand of the tenant, an average user amount that the tenant supports simultaneous access, and an average additional service amount that the tenant needs to provide; in the step C: if the storage space demand average of the tenant exceeds the demand preset value, the average of the users which the tenant supports simultaneous access exceeds the access preset value, and the average of the additional services which the tenant needs to provide exceeds the additional service preset value, the service average of the tenant is judged to reach the standard; and if the average storage space demand of the tenant does not exceed the preset demand value, the average user demand supported by the tenant for simultaneous access does not exceed the preset access amount, and/or the average additional service amount required by the tenant does not exceed the preset additional service amount, judging that the average service amount of the tenant does not reach the standard.
Preferably, in the step B, the average traffic of the tenant includes the average storage space demand of the tenant; in the step C: if the storage space demand average of the tenant exceeds the demand preset value, judging that the service average of the tenant reaches the standard; and if the storage space demand average quantity of the tenant does not exceed the demand preset value, judging that the service average quantity of the tenant does not reach the standard.
Preferably, in the step B, the traffic average of the tenant includes the user average that the tenant supports simultaneous access; in the step C: if the average quantity of the users which the tenant supports simultaneous access exceeds the preset access quantity value, the service average quantity of the tenant is judged to reach the standard; and if the average quantity of the users which the tenant supports simultaneous access does not exceed the preset value of the access quantity, judging that the average quantity of the services of the tenant does not reach the standard.
Preferably, in the step B, the average traffic of the tenant includes an average amount of additional services that the tenant needs to provide; in the step C: if the average quantity of the additional services required to be provided by the tenant exceeds the preset value of the additional service quantity, judging that the average quantity of the services of the tenant reaches the standard; and if the average quantity of the additional services required to be provided by the tenant does not exceed the preset value of the additional service quantity, judging that the average quantity of the services of the tenant does not reach the standard.
Preferably, the additional services to be provided by the tenant include a data backup service and/or a data recovery service.
The invention also provides a computer-readable storage medium, on which a computer program is stored, which computer program, when being executed by a processor, realizes the grid data storage method as described above.
The invention also provides a power grid data storage system based on the multi-tenant technology, which comprises a computer readable storage medium and a processor which are connected with each other, wherein the computer readable storage medium is as described above.
The invention has the following beneficial effects: when the number of the tenants does not exceed the preset threshold, which means that the number of the tenants is not too large, even if an independent database is established for each tenant for power grid data storage, the cost is not high, so that a data storage mode of the independent database is selected to realize a better data isolation effect; when the number of tenants exceeds a preset threshold and the average traffic of the tenants reaches the standard, the number of the tenants is too large, so that if an independent database is established for each tenant to store power grid data, the cost is too high due to the excessive number of the established databases, a shared database is established for all the tenants, and an independent mode data storage mode is established for each tenant in the shared database, so that the data isolation effect can be realized, and the cost is lower compared with the case of establishing an independent database for each tenant; when the number of tenants exceeds a preset threshold and the average service quantity of the tenants is not up to the standard, the number of the tenants is too large and the average service quantity is too small, so that if an independent database is established for each tenant to store power grid data, the cost is too high due to the excessive number of the established databases, if an independent mode is established for each tenant in a shared database to store the power grid data, the storage space of the independent mode is wasted due to the too small average service quantity of the tenant, so that a shared database is selected to be established for all the tenants, and a data storage mode of the shared mode is established for all the tenants in the shared database, so that the data isolation effect is poor, and the cost is lowest. Therefore, the invention selects different data storage modes according to the number of tenants and the service average quantity of the tenants, and can realize low cost on the basis of realizing data isolation by adopting a multi-tenant technology.
Drawings
Fig. 1 is a flowchart of a power grid data storage method based on a multi-tenant technology.
Detailed Description
The invention is described in further detail below with reference to specific embodiments.
The embodiment provides a power grid data storage system based on a multi-tenant technology, and the system includes a computer-readable storage medium and a processor, which are connected to each other, where the computer-readable storage medium stores a computer program, and the computer program, when executed by the processor, implements a power grid data storage method based on the multi-tenant technology, as shown in fig. 1, where the method specifically includes the following step A, B, C, D.
A. And generating a plurality of tenants for the plurality of power utilization areas by adopting a multi-tenant technology.
Multi-tenant technology (multi-tenant technology), or multi-tenancy technology, is a software architecture technology that refers to sharing the same system or program components in an environment of multiple tenants while ensuring data isolation between the tenants. In the multi-tenant technology, a tenant refers to a user using a system or computer computing resources, and includes all data that can be identified as a designated user in the system, such as account and statistical information, various data created by the user in the system, and a customized application program environment of the user, which all belong to the scope of the tenant; and the tenant uses an application system or running resource developed or provided by the supplier.
In this embodiment, a multi-tenant technology is adopted to generate a plurality of tenants for a plurality of power consumption areas, each tenant is connected to a power grid database of one power consumption area, and each power grid database stores a plurality of power grid data, so that each tenant includes all power grid data in the power grid database of the corresponding power consumption area.
B. And acquiring the number of tenants and the average traffic of the tenants.
In this embodiment, the multiple tenants are generated for the multiple power utilization areas, and each power utilization area corresponds to one tenant, so that the number of tenants is equal to the number of power utilization areas. The tenant's traffic average includes the tenant's storage space demand average, the tenant supports the user average of simultaneous access and the tenant needs the additional service average provided. The additional services required to be provided by the tenant include a data backup service and/or a data recovery service.
C. And judging whether the number of the tenants exceeds a preset threshold value and whether the average traffic of the tenants reaches the standard.
In this embodiment, corresponding preset thresholds are set for the number of tenants, where the preset thresholds are specifically 100, corresponding preset demand values are set for the average storage space demand of the tenants, the preset demand values are specifically 100G, corresponding preset access amount values are set for the average user demand that the tenants support simultaneous access, the preset access amount values are specifically 50, corresponding preset additional service amount values are set for the average additional services that the tenants need to provide, and the preset service amount values are specifically 2.
In this embodiment, it is first determined whether the number of tenants exceeds a preset threshold, and if so, it means that the number of tenants is too large, and if not, it means that the number of tenants is not too large. And under the condition that the number of the tenants exceeds a preset threshold, judging whether the average traffic of the tenants reaches the standard, specifically: if the storage space demand average of the tenant exceeds the demand preset value, the average of the users which the tenant supports simultaneous access exceeds the access preset value, and the average of the additional services which the tenant needs to provide exceeds the additional service preset value, the service average of the tenant is judged to reach the standard; and if the average storage space demand of the tenant does not exceed the preset demand value, the average user demand supported by the tenant for simultaneous access does not exceed the preset access amount, and/or the average additional service amount required by the tenant does not exceed the preset additional service amount, judging that the average service amount of the tenant does not reach the standard. Specific examples of judging whether the average traffic of the tenant reaches the standard are as follows:
(1) the average storage space demand of the tenant is 150G, the average storage space demand exceeds the preset demand value, the average number of the users which the tenant supports simultaneous access is 80, the average storage space demand exceeds the preset access amount, the average number of the additional services which the tenant needs to provide is 4, and the average number of the services of the tenant exceeds the preset additional service amount, so that the average service amount of the tenant reaches the standard;
(2) the average storage space demand of the tenant is 150G, the average storage space demand exceeds the preset demand value, the average number of the users which the tenant supports simultaneous access is 80, the average storage space demand exceeds the preset access amount, the average number of the additional services which the tenant needs to provide is 1, and the average number of the additional services does not exceed the preset additional service amount, so that the average service amount of the tenant is judged to reach the standard;
(3) the average storage space demand of the tenant storage is 150G, the average storage space demand exceeds the preset demand value, the average number of the users which the tenant supports simultaneous access is 40, the average number of the users does not exceed the preset access amount, the average number of the additional services which the tenant needs to provide is 4, and the average number of the additional services exceeds the preset additional service amount, so that the average service amount of the tenant is judged not to reach the standard;
(4) the average storage space demand of the tenant is 80G, the average storage space demand does not exceed the preset demand value, the average number of the users which the tenant supports simultaneous access is 80, the average storage space demand exceeds the preset access amount, the average number of the additional services which the tenant needs to provide is 4, and the average storage space demand exceeds the preset additional service amount, so that the average service amount of the tenant is judged to not reach the standard;
(5) the average storage space demand of the tenant is 80G, the average demand does not exceed the preset demand value, the average number of the users which the tenant supports simultaneous access is 40, the preset access amount is not exceeded, the average number of the additional services which the tenant needs to provide is 4, and the average number of the additional services exceeds the preset additional service amount value, so that the average service amount of the tenant is judged to not reach the standard;
(6) the average storage space demand of the tenant is 80G, the average storage space demand does not exceed the preset demand value, the average number of the users which the tenant supports simultaneous access is 80, the average storage space demand exceeds the preset access amount, the average number of the additional services which the tenant needs to provide is 1, and the average storage space demand does not exceed the preset additional service amount, so that the average service amount of the tenant is judged to reach the standard;
(7) the average storage space demand of the tenant is 150G, the average storage space demand exceeds the preset demand value, the average number of the users which the tenant supports simultaneous access is 40, the average storage space demand does not exceed the preset access amount, the average number of the additional services which the tenant needs to provide is 1, and the average number of the additional services does not exceed the preset additional service amount, so that the average service amount of the tenant is judged to not reach the standard;
(8) the average storage space demand of the tenant is 80G, the average storage space demand does not exceed the preset demand value, the average number of the users which the tenant supports simultaneous access is 40, the average storage space demand does not exceed the preset access amount, the average number of the additional services which the tenant needs to provide is 1, and the average storage space demand does not exceed the preset additional service amount, so that the average service amount of the tenant is judged to reach the standard.
In other embodiments, the tenant traffic average includes only two of the tenant's storage space requirement average, the tenant's support of simultaneous access of users, and the tenant's additional services that need to be provided. The method for judging whether the average traffic of the tenant reaches the standard is similar to the specific example: under the condition that the average quantity of the two services exceeds the corresponding preset values, judging that the average quantity of the services of the tenant reaches the standard; and under the condition that the average traffic of one service does not exceed the corresponding preset value or the average traffic of both services does not exceed the corresponding preset value, judging that the average traffic of the tenant does not reach the standard. The detailed description of the judgment example is omitted here.
In other embodiments, the tenant traffic average includes only one of the tenant's storage space requirement average, the tenant's support of simultaneous access of users average, and the tenant's additional services average. Specific examples of such determination of whether the average traffic of the tenant reaches the standard are as follows:
(1) under the condition that the service average quantity of the tenant only comprises the storage space demand average quantity of the tenant, if the storage space demand average quantity of the tenant exceeds a demand preset value, the service average quantity of the tenant is judged to reach the standard; and if the storage space demand average quantity of the tenant does not exceed the demand preset value, judging that the service average quantity of the tenant does not reach the standard.
(2) Under the condition that the service average of the tenant only comprises the user average which is supported by the tenant and accessed simultaneously, if the user average which is supported by the tenant and accessed simultaneously exceeds the access preset value, the service average of the tenant is judged to reach the standard; and if the average quantity of the users which the tenant supports simultaneous access does not exceed the preset value of the access quantity, judging that the average quantity of the services of the tenant does not reach the standard.
(3) Under the condition that the service average of the tenant only comprises the additional service average required to be provided by the tenant, if the additional service average required to be provided by the tenant exceeds the additional service preset value, the service average of the tenant is judged to reach the standard; and if the average quantity of the additional services required to be provided by the tenant does not exceed the preset value of the additional service quantity, judging that the average quantity of the services of the tenant does not reach the standard.
D. Selecting a data storage mode according to the judgment result in the step C, specifically: if the number of the tenants does not exceed a preset threshold value, establishing an independent database for each tenant to store the power grid data; if the number of the tenants exceeds a preset threshold value and the average traffic of the tenants reaches the standard, establishing a shared database for all the tenants, and establishing an independent mode for each tenant in the shared database to store the power grid data; if the number of the tenants exceeds a preset threshold value and the average traffic of the tenants does not reach the standard, a shared database is established for all the tenants, and a shared mode is established for all the tenants in the shared database for power grid data storage.
When the number of the tenants does not exceed the preset threshold, the number of the tenants is not excessive, so that the cost is not high even if an independent database is established for each tenant for power grid data storage, and a data storage mode of the independent database is selected so as to realize a better data isolation effect; when the number of tenants exceeds a preset threshold and the average service volume of the tenants reaches the standard, the number of the tenants is excessive, so that if an independent database is established for each tenant to store power grid data, the cost is too high due to the excessive number of the established databases, a shared database is selected to be established for all the tenants, and then a data storage mode of an independent mode (independent Schema) is established for each tenant in the shared database, so that the data isolation effect can be realized, and the cost is lower compared with the case of establishing an independent database for each tenant; when the number of tenants exceeds a preset threshold and the average service quantity of the tenants is not up to the standard, the number of the tenants is too large and the average service quantity is too small, so that if an independent database is established for each tenant to store power grid data, the cost is too high due to the excessive number of the established databases, if an independent mode is established for each tenant in a shared database to store the power grid data, the storage space of the independent mode is wasted due to the too small average service quantity of the tenant, so that a shared database is selected to be established for all the tenants, and a data storage mode of a shared mode (shared Schema) is established for all the tenants in the shared database, so that the data isolation effect is poor, and the cost is lowest. Therefore, in the embodiment, different data storage modes are selected according to the number of tenants and the traffic average of the tenants, and low cost can be considered on the basis of realizing data isolation by adopting a multi-tenant technology.
The above description is only the embodiments of the present invention, and the scope of protection is not limited thereto. The insubstantial changes or substitutions will now be made by those skilled in the art based on the teachings of the present invention, which fall within the scope of the claims.
Claims (8)
1. A power grid data storage method based on a multi-tenant technology is characterized by comprising the following steps:
A. generating a plurality of tenants for a plurality of power utilization areas by adopting a multi-tenant technology;
B. acquiring the number of tenants and the average traffic of the tenants;
C. judging whether the number of the tenants exceeds a preset threshold value and whether the average traffic of the tenants reaches the standard;
D. selecting a data storage mode according to the judgment result in the step C, specifically: if the number of the tenants does not exceed a preset threshold value, establishing an independent database for each tenant to store the power grid data; if the number of the tenants exceeds a preset threshold value and the average traffic of the tenants reaches the standard, establishing a shared database for all the tenants, and establishing an independent mode for each tenant in the shared database to store the power grid data; if the number of the tenants exceeds a preset threshold value and the average traffic of the tenants does not reach the standard, establishing a shared database for all the tenants, and establishing a shared mode for all the tenants in the shared database for power grid data storage.
2. The power grid data storage method according to claim 1, wherein:
in the step B, the service average of the tenant comprises the storage space demand average of the tenant, the user average which is supported by the tenant to access simultaneously and the additional service average which is required to be provided by the tenant;
in the step C: if the storage space demand average of the tenant exceeds the demand preset value, the average of the users which the tenant supports simultaneous access exceeds the access preset value, and the average of the additional services which the tenant needs to provide exceeds the additional service preset value, the service average of the tenant is judged to reach the standard; and if the average storage space demand of the tenant does not exceed the preset demand value, the average user demand supported by the tenant for simultaneous access does not exceed the preset access amount, and/or the average additional service amount required by the tenant does not exceed the preset additional service amount, judging that the average service amount of the tenant does not reach the standard.
3. The power grid data storage method according to claim 1, wherein:
in the step B, the service average of the tenant comprises the storage space demand average of the tenant;
in the step C: if the storage space demand average of the tenant exceeds the demand preset value, judging that the service average of the tenant reaches the standard; and if the storage space demand average quantity of the tenant does not exceed the demand preset value, judging that the service average quantity of the tenant does not reach the standard.
4. The power grid data storage method according to claim 1, wherein:
in the step B, the service average of the tenant comprises the user average that the tenant supports simultaneous access;
in the step C: if the average quantity of the users which the tenant supports simultaneous access exceeds the preset access quantity value, the service average quantity of the tenant is judged to reach the standard; and if the average quantity of the users which the tenant supports simultaneous access does not exceed the preset value of the access quantity, judging that the average quantity of the services of the tenant does not reach the standard.
5. The power grid data storage method according to claim 1, wherein:
in the step B, the service average of the tenant comprises the additional service average that the tenant needs to provide;
in the step C: if the average quantity of the additional services required to be provided by the tenant exceeds the preset value of the additional service quantity, judging that the average quantity of the services of the tenant reaches the standard; and if the average quantity of the additional services required to be provided by the tenant does not exceed the preset value of the additional service quantity, judging that the average quantity of the services of the tenant does not reach the standard.
6. The power grid data storage method according to claim 2 or 5, wherein the additional services required by the tenant comprise data backup services and/or data recovery services.
7. Computer-readable storage medium, on which a computer program is stored, which computer program, when being executed by a processor, carries out a power grid data storage method according to any one of claims 1 to 6.
8. A multi-tenant technology-based power grid data storage system comprising a computer-readable storage medium and a processor connected to each other, wherein the computer-readable storage medium is as set forth in claim 7.
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| CN114791907A (en) * | 2022-03-30 | 2022-07-26 | 北京柏睿数据技术股份有限公司 | Method and system for processing multi-tenant shared data |
| WO2023184908A1 (en) * | 2022-03-30 | 2023-10-05 | 北京柏睿数据技术股份有限公司 | Processing method and system for multi-tenant shared data |
| CN115062000A (en) * | 2022-08-05 | 2022-09-16 | 深圳竹云科技股份有限公司 | Data isolation method and device, computer equipment and storage medium |
| CN115480914A (en) * | 2022-09-02 | 2022-12-16 | 江苏安超云软件有限公司 | Method and system for realizing multi-tenant service |
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