CN102340533A - Multi-tenant system and method for accessing data thereof - Google Patents
Multi-tenant system and method for accessing data thereof Download PDFInfo
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Abstract
The invention provides a multi-tenant system and a method for accessing data thereof. The system comprises a route management sub-system used for determining the configuration information of the application data of a current tenant from a configuration management sub-system according to an application data use request sent by the current tenant and routing the application data use request from the current tenant to a storage node to which the application data of the current tenant belongs according to the configuration information, a configuration management sub-system used for managing the configuration information of the application data of each tenant, and a storage management sub-system used for storing the application data of the current tenant to the storage node to which the application data of the current tenant belongs and/or outputting the application data from the storage node according to the application data use request. According to the invention, the application data of each tenant is stored on different storage nodes through a distributed storage mode so that the application data are physically isolated and the security of the system is ensured.
Description
Technical field
The present invention relates to many tenants field, relate in particular to the method for a kind of many tenants system and many tenants system access data.
Background technology
Fast development along with the Internet; Software serves promptly that (Software as a Service SaaS) becomes a kind of trend gradually, and it has overturned traditional Software Delivery pattern; Analyze from the framework aspect, the important difference that SaaS is different from conventional art is exactly many tenants pattern.Many tenants are not multi-user or multiple enterprises, and tenant's granularity is to be based upon on the application, and a tenant can be that any one domestic consumer uses, or the enterprises application, or exterior of enterprise is used.It needs a computing environment cover safety, exclusive, and this environment has comprised from storing all or some selected enterprise architecture layer of user interface into.Therefore, make up high safety, high-performance, be prone to many tenants system of expansion, the assurance system between the tenant professional isolation, tenant's resource allocation each other rationally be crucial.
In existing many tenants system, generally all be to be different tenant's Resources allocation through virtual technology, realize the storage and the isolation of tenant data through different tenant's custom entities and field.Tenant's data in fact still are stored in together like this, physically intercouple, and realize tenant's isolation through application layer.If a tenant's data are under attack or damage, might influence the safety of whole many tenants system, in addition, when one of them tenant is carried out upgrade maintenance, also might influence other tenant.It is thus clear that mainly there is following problem in present many tenants system:
(1) tenant data close coupling, fail safe is low.In existing systems, solve tenant's customized demand through the configurability design of different tenant's custom entities and field.Data between the tenant physically are coupled like this, and the coupling of data can bring the problem on the safety.
(2) isolate poor expandability between the tenant through application layer.In existing systems; The tenant generally shares same application example through virtual technology, isolates the data between each tenant through application layer, can cause the application layer service logic complicated like this; When a tenant in the system needs the application layer upgrading; Might influence in the system other tenant, cause the poor expandability of system, be difficult to customized demand neatly for different tenants.
Summary of the invention
The invention provides the method for a kind of many tenants system and many tenants system access data, to solve problems such as fail safe that the tenant data close coupling causes is low.
The invention provides a kind of many tenants system, this system comprises routing management subsystem, configuration management subsystem and storage management subsystem, wherein:
Said routing management subsystem; The application data that is used for sending according to current tenant is used request; Confirm the configuration information of current tenant's application data from said configuration management subsystem, and use request to be routed to the memory node of current tenant's application data ownership said current tenant's application data according to said configuration information;
Said configuration management subsystem is used to manage the configuration information of each tenant's application data;
Said storage management subsystem is used for using request according to said application data, and current tenant's application data store is exported application data to the memory node of its ownership and/or from the memory node of its ownership.
Preferably; Said application data uses request when writing application data, and said configuration management subsystem is to be used to judge whether current tenant's to be written application data is to increase data newly; If be this current tenant's application data memory allocated node then according to preset memory module; If not, the memory node that then uses the said current tenant's of tenant's information searching who comprises in the request application data to belong to according to said application data.
Preferably; Said application data uses request when reading application data; Said configuration management subsystem is to be used for the memory node that uses tenant's information searching that request comprises to belong to said current tenant's application data to be read according to said application data.
Preferably, said application data is used the handoff request of the memory module of the application data that comprises said current tenant in the request;
Said configuration management subsystem also is used for when said handoff request causes the memory node of said current tenant's application data ownership to change, and the information of the memory node after changing is sent to said storage management subsystem.
Preferably, said memory node comprises one or more storage servers; Said storage management subsystem also comprises scheduler module, and said scheduler module comprises same area scheduling unit and foreign lands' scheduling unit;
Said same area scheduling unit is used for current tenant's application data store all storage servers at this memory node;
Said foreign lands scheduling unit is used to receive the information of the memory node after the variation that said configuration management subsystem sends, and according to the information of the memory node after the said variation current tenant's application data is dispatched to the memory node after the variation.
Preferably, said storage management subsystem also comprises heartbeat module; Said heartbeat module is used for regularly the state information of each memory node is fed back to said configuration management subsystem;
Said configuration management subsystem also is used for safeguarding according to the state information of each memory node of said heartbeat module feedback the configuration information of each tenant's application data.
The present invention also provides a kind of many tenants application data access method, and this method comprises:
Many tenants system uses request according to the application data that current tenant sends; Confirm the configuration information of current tenant's application data, and use request to be routed to the memory node of current tenant's application data ownership said current tenant's application data according to said configuration information;
Use request according to said application data, current tenant's application data store is exported application data to the memory node of its ownership and/or from the memory node of its ownership.
Preferably, said application data uses request when writing application data, and the configuration information of said definite current tenant's application data comprises:
Whether the application data of judging current tenant to be written is newly-increased data, if be this current tenant's application data memory allocated node according to preset memory module then; If not, the memory node that then uses the said current tenant's of tenant's information searching who comprises in the request application data to belong to according to said application data.
Preferably, said application data uses request when reading application data, and the configuration information of said definite current tenant's application data comprises:
According to the memory node of the tenant's information searching that comprises in the said application data use request to said current tenant's application data ownership to be read.
Preferably, said application data is used the handoff request of the memory module of the application data that comprises said current tenant in the request, and said method also comprises:
When said handoff request causes the memory node of said current tenant's application data ownership to change; Said many tenants system is according to the configuration information of the current tenant's who confirms application data, and said current tenant's application data is dispatched to the memory node after the variation.
Preferably, said memory node comprises one or more storage servers;
Said application data store with current tenant comprises to the memory node of its ownership:
On application data store all storage servers in this memory node with current tenant.
Preferably, said method also comprises:
Said many tenants system regularly monitors the state information of each memory node, and safeguards the configuration information of each tenant's application data according to the state information of each memory node.
The method of above-mentioned many tenants system and many tenants system access data through distributed storage, on different memory nodes, has guaranteed application data isolation physically with each tenant's application data store, thus the fail safe of the system of assurance.
Description of drawings
Fig. 1 is the structural representation that the present invention is based on many tenants system embodiment of distributed storage;
Fig. 2 is the illustrative view of functional configuration of storage management subsystem of the present invention;
Fig. 3 is the flow chart of the implementation method embodiment of many tenants of the present invention system.
Embodiment
For making the object of the invention, technical scheme and advantage clearer, hereinafter will combine accompanying drawing that embodiments of the invention are elaborated.Need to prove that under the situation of not conflicting, embodiment among the application and the characteristic among the embodiment be combination in any each other.
The invention provides a kind of many tenants system, this system comprises routing management subsystem, configuration management subsystem and storage management subsystem, wherein:
Said routing management subsystem; The application data that is used for sending according to current tenant is used request; Confirm the configuration information of current tenant's application data from said configuration management subsystem, and use request to be routed to the memory node of current tenant's application data ownership said current tenant's application data according to said configuration information;
Said configuration management subsystem is used to manage the configuration information of each tenant's application data;
Said storage management subsystem is used for using request according to said application data, and current tenant's application data store is exported application data to the memory node of its ownership and/or from the memory node of its ownership.
Wherein, Said application data uses request when writing application data, and said configuration management subsystem is to be used to judge whether current tenant's to be written application data is to increase data newly; If be this current tenant's application data memory allocated node then according to preset memory module; If not, the memory node that then uses the said current tenant's of tenant's information searching who comprises in the request application data to belong to according to said application data.Said application data uses request when reading application data, and said configuration management subsystem is to be used for the memory node that uses tenant's information searching that request comprises to belong to said current tenant's application data to be read according to said application data.Wherein, memory module is according to the requirement of current tenant to resource, and this current tenant's application data is configured to share memory module and/or monopolize memory module.
In addition, said application data is used the handoff request of the memory module of the application data that comprises said current tenant in the request; Said configuration management subsystem; Also be used for when said handoff request causes the memory node of said current tenant's application data ownership to change; The information of the memory node after changing is sent to said storage management subsystem, tenant's application data is dispatched to the memory node after the variation from former memory node by storage management subsystem.
Particularly, said storage management subsystem can comprise module for reading and writing; Said module for reading and writing is used for according to memory module tenant's application data being write the memory node that said configuration management subsystem distributes for this tenant's application data according to memory module; Tenant's to be revised application data is write in the memory node that said configuration management subsystem finds for this tenant's application data; And the application data of from the memory node that said configuration management subsystem finds for this tenant's application data, reading this tenant.
In addition, said storage management subsystem can also comprise scheduler module; Said scheduler module comprises same area scheduling unit and foreign lands' scheduling unit; Said same area scheduling unit is used for said module for reading and writing after the application data with the tenant writes memory node, realizes that the application data on all storage servers in the same memory node is identical; Particularly, be on application data store all storage servers in this memory node with current tenant, thereby guaranteed the consistency of data in this memory node.Because module for reading and writing writes different memory nodes according to different memory modules with each tenant's application data; So the data between different memory nodes are different; Thereby guaranteed each tenant's application data isolation physically; And, can expand system through increasing new memory node.Foreign lands' scheduling unit is used for realizing the scheduling of the application data of different memory nodes; Particularly; Said foreign lands scheduling unit; Be used to receive the information of the memory node after the variation that said configuration management subsystem sends, and current tenant's application data be dispatched to the memory node after the variation according to the information of the memory node after the said variation.
Further, said storage management subsystem can also comprise heartbeat module; Said heartbeat module is used for regularly the state information of each memory node is fed back to said configuration management subsystem;
Said configuration management subsystem also is used for safeguarding according to the state information of each memory node of said heartbeat module feedback the configuration information of each tenant's application data.
As shown in Figure 1, be the structural representation of many tenants system embodiment of the present invention is based on distributed storage, this many tenants system comprises routing management subsystem 11, configuration management subsystem 12 and storage management subsystem 13, wherein:
The routing management subsystem; Be responsible for accepting application data and use request from the client tenant; Obtain the configuration information of this tenant and application data from said configuration management subsystem, and use request to be routed to the memory node of application data ownership tenant's application data according to configuration information;
The configuration management subsystem; Be responsible for each memory node of said storage management subsystem and specifically store the configuration of tenant and application data information thereof; Can tenant and application data information thereof be configured management according to the selection of memory module, the information of obtaining the memory node of its corresponding application data ownership according to tenant's information also is provided simultaneously;
Storage management subsystem; Be responsible for the storage of tenant foreign lands and same area application data; Can according to tenant's requirement with tenant's application data store on different memory nodes; Also can dispatch between a plurality of memory nodes tenant's application data as required, guarantee the system linearity extensibility; Also can in same memory node, dispatch simultaneously, guarantee the consistency of these intranodal data the data of the storage server in this memory node.
Wherein, the illustrative view of functional configuration of storage management subsystem is as shown in Figure 2, comprises module for reading and writing 131, scheduler module 132 and heartbeat module 133, wherein:
Module for reading and writing is used for the operation of the memory node read-write aspect of storage management subsystem, comprises the operation such as increase, deletion, modification, inquiry of application data.
Scheduler module comprises the same area data dispatch between storage management subsystem internodal foreign lands data dispatch and the intranodal storage server.Foreign lands' data dispatch is applied in the operation that tenant data need be carried out when a memory node is moved to other node; The same area data dispatch is applied in the duplicate backup of memory node stored server data, and each write operation all can trigger the data dispatch of same area.Scheduler module depends on module for reading and writing.
Heartbeat module is regularly given the configuration management subsystem with the state feedback of each memory node in the storage management subsystem, as the basis of configuration management subsystem configures tenant and application data relation.
Above-mentioned many tenants system through distributed storage, on different memory nodes, has guaranteed application data isolation physically with each tenant's application data store, thus the fail safe of the system of assurance; Tenant's application data is carried out the branch territory handle, the data between same area are done the duplicate backup, and the data of foreign lands are done cluster, can form one with numeric field data back up each other, the mutual safe isolation of foreign lands' data, reliable, extendible many tenants system.
Many tenants system that utilization comprises above-mentioned routing management subsystem, configuration management subsystem and storage management subsystem realizes that the access procedure of application data comprises:
The routing management of step 1, said routing management subsystem responsible client tenant's application data;
Said routing management subsystem responsible is accepted application data from the client tenant and is used request, and uses request to be routed to the memory node of application data ownership tenant's application data;
Particularly; Said routing management subsystem receives application data from the client tenant and uses request; Use the tenant's information that comprises in the request to initiate the request of this tenant's of inquiry application data store node to said configuration management subsystem according to this application data; Said configuration management subsystem obtains the memory node of this tenant's application data ownership according to tenant's information, and returns memory node information and give said routing management subsystem;
Said configuration management subsystem is according to the demands of different of tenant to resource, and selection is configured to this tenant's application data to share memory module with other tenant, perhaps monopolizes memory module.Shared memory module is a plurality of tenant's common storage node, and a plurality of like this tenant's application datas physically are stored in together, is fit to tenant's occasion low to resource requirement; Monopolizing memory module is that the tenant monopolizes memory node, is fit to tenant's occasion high to resource requirement.Said configuration management subsystem can be according to tenant's requirement, with tenant's application data in shared memory module with monopolize between memory module and switch; If switching the memory node of back tenant's application data ownership changes; Memory node after then will changing is notified said storage management subsystem; Said storage management subsystem is dispatched tenant's application data according to the memory node after changing, and stores on the memory node after the variation;
Said configuration management subsystem can be tenant's application data memory allocated node according to memory module, also can obtain the information of the concrete memory node of its corresponding application data according to tenant's information.
For the newly-increased operation of application data, said configuration management subsystem is according to the demands of different of tenant to resource, for this tenant disposes the suitable storage node; For application data inquiry, renewal, deletion action, said configuration management subsystem obtains the nodal information of tenant's application data store according to the configuration information of tenant and application data thereof;
Step 3, said storage management subsystem are responsible for tenant's application data store to memory node, and data access interface are provided for the tenant.
Said storage management subsystem is responsible for the storage of tenant foreign lands and same area application data; On different memory nodes, cry foreign lands' storage with tenant's application data store; For same memory node; Comprise one or a plurality of storage servers, on one or more storage server of same memory node, make same area store tenant's application data store.Foreign lands' storage, the data on the different memory nodes are different, can realize the isolation physically of tenant's application data, can realize the linear expansion of said storage management subsystem memory capacity through increasing memory node.The same area storage, the duplicate backup functionality of realization memory node stored server, the application data on one or more storage server of same memory node is identical.
Said storage management subsystem is responsible for from memory node read-write tenant's application data, and according to tenant's requirement tenant's application data is dispatched between a plurality of memory nodes, guarantees the system linearity extensibility; Simultaneously also in same memory node the data to the storage server of this intranodal dispatch, guarantee the consistency of these intranodal data.
In addition; There are heartbeat message in said configuration management subsystem and said storage management subsystem; Each memory node in the said storage management subsystem is regularly given said configuration management subsystem with the state feedback of this memory node, as the basis of said configuration management subsystem configures tenant and application data relation.The state of memory node comprises information such as the concurrent tenant's number of this memory node, system resource utilization rate.
Also comprise between said step 1 and the step 3: said routing management subsystem is according to the tenant of said configuration management subsystem feedback and application data thereof the configuration information at memory node; Using request to be forwarded to the corresponding memory node of said storage management subsystem tenant's application data, is that the tenant provides corresponding service by this memory node.
The implementation method of above-mentioned many tenants system; Pass through distributed storage; Tenant's application data is carried out the branch territory to be handled; Data between same area are done the duplicate backup, and the data of foreign lands are done cluster, can realize application data isolation physically between the tenant; Solve the fail safe that the tenant data close coupling causes low, isolate problems such as the demand customization that causes is dumb, poor expandability through application layer, realized one with numeric field data back up each other, the mutual safe isolation of foreign lands' data, reliable, extendible many tenants system.
As shown in Figure 3, be the flow chart of the application data access method embodiment of many tenants of the present invention system, this method comprises:
For the newly-increased operation of application data, the configuration management subsystem is according to the demands of different of tenant to resource, for this tenant disposes the suitable storage node; For application data inquiry, renewal, deletion action, the configuration management subsystem obtains the nodal information of tenant's application data store and returns configuration information to the routing management subsystem according to the configuration information of tenant and application data thereof.
Compare with existing many tenants system, have the following advantages based on many tenants implementation method of distributed storage:
(1) tenant data partable physically is safe.In the existing systems, solve tenant's customized demand through the configurability design of different tenant's custom entities and field.Data between the tenant physically are coupled like this, and the coupling of data can bring the problem on the safety.The present invention carries out the branch territory with tenant's application data and handles through distributed storage, and the data between same area are done the duplicate backup, guarantees the reliability of data, and the data of foreign lands are done cluster, can realize data isolation physically between the tenant, have guaranteed safety of data.
(2) tenant's application data is carried out the isolation on the physical layer through memory node, can satisfy the demand of many tenants flexible customization demand, and the system expandability is good.Existing systems; The tenant generally shares same application example through virtual technology, isolates the data between each tenant through application layer, can cause the application layer service logic complicated like this; When a tenant in the system needs the application layer upgrading; Might influence in the system other tenant, cause the poor expandability of system, be difficult to customized demand flexibly for different tenants.The present invention carries out the isolation on the physical layer through memory node, and is irrelevant with application layer, when a tenant needs the application layer upgrading, can not have influence in the system other tenant.
It is thus clear that the present invention adopts the implementation method based on many tenants system of distributed storage, realized one can for the tenant provide with numeric field data back up each other, the mutual safe isolation of foreign lands' data, reliable, extendible many tenants system.
The present invention also provides a kind of many tenants application data access method, and this method comprises:
Wherein, Said application data uses request when writing application data; The configuration information of said definite current tenant's application data comprises: whether the application data of judging current tenant to be written is newly-increased data; If be this current tenant's application data memory allocated node then according to preset memory module; If not, the memory node that then uses the said current tenant's of tenant's information searching who comprises in the request application data to belong to according to said application data.
Said application data uses request when reading application data, saidly confirms that the configuration information of current tenant's application data comprises: the memory node that uses tenant's information searching of comprising in the request to belong to said current tenant's application data to be read according to said application data.
In addition, said application data is used the handoff request of the memory module of the application data that comprises said current tenant in the request, and said method also comprises:
When said handoff request causes the memory node of said current tenant's application data ownership to change; Said many tenants system is according to the configuration information of the current tenant's who confirms application data, and said current tenant's application data is dispatched to the memory node after the variation.
Wherein, said memory node comprises one or more storage servers;
Said application data store with current tenant comprises to the memory node of its ownership:
On application data store all storage servers in this memory node with current tenant.
In addition, said method also comprises: said many tenants system regularly monitors the state information of each memory node, and safeguards the configuration information of each tenant's application data according to the state information of each memory node.
Above-mentioned many tenants application data access method, through distributed storage, with tenant's application data store on different memory nodes, thereby realized application data isolation physically, guaranteed the fail safe of system.
One of ordinary skill in the art will appreciate that all or part of step in the said method can instruct related hardware to accomplish through program, said procedure can be stored in the computer-readable recording medium, like read-only memory, disk or CD etc.Alternatively, all or part of step of the foregoing description also can use one or more integrated circuits to realize.Correspondingly, each the module/unit in the foregoing description can adopt the form of hardware to realize, also can adopt the form of software function module to realize.The present invention is not restricted to the combination of the hardware and software of any particular form.
Above embodiment is only unrestricted in order to technical scheme of the present invention to be described, only with reference to preferred embodiment the present invention is specified.Those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement technical scheme of the present invention, and do not break away from the spirit and the scope of technical scheme of the present invention, all should be encompassed in the middle of the claim scope of the present invention.
Claims (12)
1. tenant system more than a kind, this system comprises routing management subsystem, configuration management subsystem and storage management subsystem, wherein:
Said routing management subsystem; The application data that is used for sending according to current tenant is used request; Confirm the configuration information of current tenant's application data from said configuration management subsystem, and use request to be routed to the memory node of current tenant's application data ownership said current tenant's application data according to said configuration information;
Said configuration management subsystem is used to manage the configuration information of each tenant's application data;
Said storage management subsystem is used for using request according to said application data, and current tenant's application data store is exported application data to the memory node of its ownership and/or from the memory node of its ownership.
2. system according to claim 1 is characterized in that:
Said application data uses request when writing application data; Said configuration management subsystem; Be to be used to judge whether current tenant's to be written application data is newly-increased data, if be this current tenant's application data memory allocated node then according to preset memory module; If not, the memory node that then uses the said current tenant's of tenant's information searching who comprises in the request application data to belong to according to said application data.
3. system according to claim 1 is characterized in that:
Said application data uses request when reading application data, and said configuration management subsystem is to be used for the memory node that uses tenant's information searching that request comprises to belong to said current tenant's application data to be read according to said application data.
4. according to claim 2 or 3 described systems, it is characterized in that:
Said application data is used the handoff request of the memory module of the application data that comprises said current tenant in the request;
Said configuration management subsystem also is used for when said handoff request causes the memory node of said current tenant's application data ownership to change, and the information of the memory node after changing is sent to said storage management subsystem.
5. system according to claim 4 is characterized in that:
Said memory node comprises one or more storage servers;
Said storage management subsystem also comprises scheduler module, and said scheduler module comprises same area scheduling unit and foreign lands' scheduling unit;
Said same area scheduling unit is used for current tenant's application data store all storage servers at this memory node;
Said foreign lands scheduling unit is used to receive the information of the memory node after the variation that said configuration management subsystem sends, and according to the information of the memory node after the said variation current tenant's application data is dispatched to the memory node after the variation.
6. system according to claim 5 is characterized in that:
Said storage management subsystem also comprises heartbeat module; Said heartbeat module is used for regularly the state information of each memory node is fed back to said configuration management subsystem;
Said configuration management subsystem also is used for safeguarding according to the state information of each memory node of said heartbeat module feedback the configuration information of each tenant's application data.
7. the access method of tenant's application data more than a kind, this method comprises:
Many tenants system uses request according to the application data that current tenant sends; Confirm the configuration information of current tenant's application data, and use request to be routed to the memory node of current tenant's application data ownership said current tenant's application data according to said configuration information;
Use request according to said application data, current tenant's application data store is exported application data to the memory node of its ownership and/or from the memory node of its ownership.
8. method according to claim 7 is characterized in that:
Said application data uses request when writing application data, and the configuration information of said definite current tenant's application data comprises:
Whether the application data of judging current tenant to be written is newly-increased data, if be this current tenant's application data memory allocated node according to preset memory module then; If not, the memory node that then uses the said current tenant's of tenant's information searching who comprises in the request application data to belong to according to said application data.
9. method according to claim 7 is characterized in that:
Said application data uses request when reading application data, and the configuration information of said definite current tenant's application data comprises:
According to the memory node of the tenant's information searching that comprises in the said application data use request to said current tenant's application data ownership to be read.
10. method according to claim 7 is characterized in that:
Said application data is used the handoff request of the memory module of the application data that comprises said current tenant in the request, and said method also comprises:
When said handoff request causes the memory node of said current tenant's application data ownership to change; Said many tenants system is according to the configuration information of the current tenant's who confirms application data, and said current tenant's application data is dispatched to the memory node after the variation.
11., it is characterized in that according to the described method of the arbitrary claim of claim 7-10:
Said memory node comprises one or more storage servers;
Said application data store with current tenant comprises to the memory node of its ownership:
On application data store all storage servers in this memory node with current tenant.
12. method according to claim 11 is characterized in that, said method also comprises:
Said many tenants system regularly monitors the state information of each memory node, and safeguards the configuration information of each tenant's application data according to the state information of each memory node.
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| CN108876317A (en) * | 2018-08-20 | 2018-11-23 | 广东技术师范学院 | A kind of data management monitoring method, device and terminal device |
| CN109510871A (en) * | 2018-11-27 | 2019-03-22 | 西安中服软件有限公司 | A kind of traditional BS application multi-tenant system based on data routing |
| US11669368B2 (en) | 2019-09-28 | 2023-06-06 | Intel Corporation | Multi-tenant data protection in edge computing environments |
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