CN104142864A - Multi-tenant performance isolation framework based on virtualization technology - Google Patents
Multi-tenant performance isolation framework based on virtualization technology Download PDFInfo
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Abstract
The invention discloses a multi-tenant performance isolation framework based on a virtualization technology. The isolation framework consists of a performance isolation subsystem, a dynamic resource manager, a virtual machine monitor, a virtual machine and a system resource pool. A method for erecting the isolation framework comprises the following steps: constructing a VM for each tenant by the virtualization technology, wherein the VM defines a boundary of logic resources of the corresponding tenant, and pre-distributing virtual resources for initializing the VM by adopting a virtual resource based on a tenant SLA; then monitoring and managing the service performance of each tenant under a logic isolation state, and controlling a response time boundary of each tenant by an access control mode; and finally, monitoring a service condition of each tenant, and implementing dynamic adjustment on the virtual resources of the tenants and maximization of total resource utilization. The performance isolation among all the tenants can be effectively guaranteed, and the service quality of the multiple tenants can be met; the reasonability of the resource use of all the tenants is realized, and the satisfaction degree of the tenants to the service is improved.
Description
Technical field
The present invention relates to computer virtualized technical field, specifically a kind of many tenants performance isolation framework based on Intel Virtualization Technology.
Background technology
Along with the development in epoch, the new technology of computer software and hardware aspect emerges in an endless stream, meanwhile, Software Delivery pattern is also in development slowly, under traditional mode, client is for using software purchasing licensee, and on the hardware that belongs to client mounting software, supplier provides support according to licensing agreement or technical support agreement, and along with the appearance of new Software Delivery pattern, the mode that increasing service provider is transitioned into the application of oneself service provides concrete application for client, simultaneously increasing client also wishes that software can use as required with the form of service, trend has instantly been complied with in the appearance of SaaS service formula, make software producer become ISP, change the mode that Software Delivery and user use.
Software served the appearance of (Software as a Service, SaaS) software industry brought into play to significant impact, because it has changed people's structures, sale, purchase and has used the mode of software.SaaS application is that hundreds of different client (claiming again tenant) provides service based on a set of standard software system conventionally; can effectively reduce service offering expense; multiple tenants are left its data and operation flow trustship in the same server group of SaaS service provider in; be equivalent to service provider hires out a set of online software to multiple companies simultaneously; each tenant can only see the data of oneself; safeguard these data and software by service provider, this is many tenants technology of SaaS.Many tenants technology is one of core technology of SaaS application, and its basic thought is, by multiplexing software and hardware resources between multiple clients, effectively to reduce the cost of SaaS application.Typical many tenants pattern is as follows:
Each client uses the same version of application program while beginning.Data are stored in shared data bank, but each client is only to access the information of oneself.Whole application program is described by so-called metadata (Metadata): metadata is ordered instruction exactly, has described the various aspects how application program is moved.If client thinks custom application, can create and configure new metadata, to describe new Database field or required behavior.Many tenants technology is most important for SaaS application, but, current many tenants' research faces a lot of difficulties: many tenants of the performance isolation technology between each tenant is due to shared resource, therefore a tenant's behavior meeting exerts an influence to other tenants' performance, if do not have the guarantee of isolation mech isolation test will cause the resource contention between tenant inside, therefore how the resource sharing under balance multi-tenant environment is the difficult point of this area research with isolation.
Under multi-tenant environment, tenant can share hardware resource and single-instance, directly traditional Service Quality Management application of policies can be faced to many new problems under multi-tenant environment, simultaneously because tenant is on-demand service, therefore multi-tenant environment has dynamic, and under multi-tenant environment, Service Quality Management faces the problem of resource sharing, resource dynamic distribution.
Summary of the invention
Technical assignment of the present invention is to provide a kind of many tenants performance isolation framework based on Intel Virtualization Technology.
Technical assignment of the present invention is realized in the following manner, and this insulating frame do as one likes energy separaant system, dynamic resource management device, monitor of virtual machine, virtual machine and system resource pond form;
The method of setting up this insulating frame is as follows:
First utilizing Intel Virtualization Technology is that each tenant sets up a VM, and this VM has specified the border of tenant's logical resource, in the time being this VM initialization virtual resource, adopts the virtual resource of the virtual resource predistribution initialization VM based on tenant SLA; Then the service performance of the each tenant under logic isolation state is monitored and managed, application access control mode control tenant's response time border; Finally tenant's service scenario is monitored, realized the dynamic adjustment of tenant's virtual resource and the maximization that aggregate resource utilizes by the dynamic assignment of virtual resource.
The concrete steps of the described method of setting up this insulating frame are as follows:
1) tenant and service provider sign SLA
The SLA that tenant and service provider sign is kept in SLA storehouse with the form of XML, has specified the requirement of corresponding QoS in SLA;
2) predistribution to tenant's resource according to SLA
Uneven according to tenant SLA, for tenant distributes corresponding virtual resource, virtual resource carries out initialization in corresponding virtual machine activation;
3) tenant asks the management of access control
System is according to the 2nd) initial resource in step and the correlation parameter in SLA, configure by the method for matching the session number that each tenant allows, and be kept in the respective cache of administration module, in the time that tenant sends new session request, request management module is called the respective algorithms in administration module, and algorithm utilizes the current tenant's that monitoring module obtains session number and the maximum number calculating to judge;
4) monitoring to tenant's service quality
By the monitoring to tenant's active service quality, and introduce the thought that user experiences, the state that tenant is current is added up, statistics is carried out to record;
5) tenant asks the setting of recalculating of access control
According to statistics, tenant's resource is dynamically adjusted, simultaneously according to newly assigned resource, utilized admission control algorithm to upgrade the threshold value that tenant asks under new environment, and continue tenant's experience to monitor.
Described performance isolation subsystem is the external internal interface of whole framework, is responsible for tenant's request to control, and mainly completes the function of services request route, request access control and service scenario monitoring; Services request route: when tenant carries out services request, need to be by means of the mapping relations between tenant and virtual machine, between tenant and corresponding virtual machine, set up session: when tenant sends services request, by the request threshold value obtaining according to corresponding strategy in administration module, the request of relative users is implemented to access control, with the service quality that ensures that SLA specifies; Service scenario monitoring: the actual QoS situation of tenant's service is by monitored and record, and these data can feed back to manager to tenant's Service Source is carried out to dynamic management.
Described dynamic resource management device is the core of whole framework, various main algorithms are all stored among this management plane, these algorithms are mainly responsible for other ingredients of framework to manage, algorithm in manager mainly comprises two classes, realizes respectively the management to tenant's service quality and resource; Resource management mechanism: the function of this part is to be each tenant's predistribution virtual resource according to tenant's SLA, predistribution virtual resource is exactly required pre-assigned resource in virtual machine activation, by controlling virtual monitor device, realize the dynamic assignment to tenant's resource simultaneously; Admission control mechanism: the function of this part be according to tenant's virtual resource number and tenant SLA, tenant's services request is controlled, simultaneously according to performance isolation subsystem, tenant's monitor message is triggered to the condition to tenant's redistribute resources.
Described monitor of virtual machine is mainly monitored the service condition of underlying resource, these information are stored in the daily record of system, foundation to tenant's charge after these data can be used as on the one hand, these statisticss can be used as the important input parameter of some algorithm in administration module on the other hand.
Described virtual machine is tenant's Resource Supply logical boundary, explanation wherein and execution environment comprise operating system and the corresponding application example in virtual machine, when tenant calls Service Instance, do as one likes energy separaant system virtual machine corresponding to tenant's services request routes to and processes tenant by corresponding Service Instance and ask, then result returns to user by performance separaant system, due to the control of virtual monitor device to it, can realize the dynamic-configuration of tenant's resource simultaneously.
Described system resource pond is the set of free system resources, conventionally can think that some are by the interconnected server cluster of Fast Ethernet, in pond, comprise various computational resources, storage resources and bandwidth resources, tenant needs any service, and resource pool will be tenant's on-demand service, on-demand computing; System resource pond is the basis of whole framework, for building of virtual environment provides hardware foundation, simultaneously also for the operation of upper layer application example provides support.
A kind of many tenants performance isolation framework based on Intel Virtualization Technology of the present invention compared to the prior art, under many tenants scene, can effectively ensure the performance isolation between each tenant, can ensure that multiple tenants' service quality is met simultaneously, realize the rationalization of each tenant's resource use and improved the satisfaction of tenant to service.
Brief description of the drawings
Accompanying drawing 1 is a kind of schematic diagram of the many tenants performance isolation framework based on Intel Virtualization Technology.
Embodiment
Embodiment 1:
This insulating frame do as one likes energy separaant system, dynamic resource management device, monitor of virtual machine, virtual machine and system resource pond form;
Performance isolation subsystem is the external internal interface of whole framework, is responsible for tenant's request to control, and mainly completes the function of services request route, request access control and service scenario monitoring; Services request route: when tenant carries out services request, need to be by means of the mapping relations between tenant and virtual machine, between tenant and corresponding virtual machine, set up session: when tenant sends services request, by the request threshold value obtaining according to corresponding strategy in administration module, the request of relative users is implemented to access control, with the service quality that ensures that SLA specifies; Service scenario monitoring: the actual QoS situation of tenant's service is by monitored and record, and these data can feed back to manager to tenant's Service Source is carried out to dynamic management.Dynamic resource management device is the core of whole framework, various main algorithms are all stored among this management plane, these algorithms are mainly responsible for other ingredients of framework to manage, and the algorithm in manager mainly comprises two classes, realizes respectively the management to tenant's service quality and resource; Resource management mechanism: the function of this part is to be each tenant's predistribution virtual resource according to tenant's SLA, predistribution virtual resource is exactly required pre-assigned resource in virtual machine activation, by controlling virtual monitor device, realize the dynamic assignment to tenant's resource simultaneously; Admission control mechanism: the function of this part be according to tenant's virtual resource number and tenant SLA, tenant's services request is controlled, simultaneously according to performance isolation subsystem, tenant's monitor message is triggered to the condition to tenant's redistribute resources.Monitor of virtual machine is mainly monitored the service condition of underlying resource, these information are stored in the daily record of system, foundation to tenant's charge after these data can be used as on the one hand, these statisticss can be used as the important input parameter of some algorithm in administration module on the other hand.Virtual machine is tenant's Resource Supply logical boundary, explanation wherein and execution environment comprise operating system and the corresponding application example in virtual machine, when tenant calls Service Instance, do as one likes energy separaant system virtual machine corresponding to tenant's services request routes to and processes tenant by corresponding Service Instance and ask, then result returns to user by performance separaant system, due to the control of virtual monitor device to it, can realize the dynamic-configuration of tenant's resource simultaneously.System resource pond is the set of free system resources, conventionally can think that some are by the interconnected server cluster of Fast Ethernet, in pond, comprise various computational resources, storage resources and bandwidth resources, tenant needs any service, and resource pool will be tenant's on-demand service, on-demand computing; System resource pond is the basis of whole framework, for building of virtual environment provides hardware foundation, simultaneously also for the operation of upper layer application example provides support.
The method of setting up this insulating frame is as follows:
First utilizing Intel Virtualization Technology is that each tenant sets up a VM, and this VM has specified the border of tenant's logical resource, in the time being this VM initialization virtual resource, adopts the virtual resource of the virtual resource predistribution initialization VM based on tenant SLA; Then the service performance of the each tenant under logic isolation state is monitored and managed, application access control mode control tenant's response time border; Finally tenant's service scenario is monitored, realized the dynamic adjustment of tenant's virtual resource and the maximization that aggregate resource utilizes by the dynamic assignment of virtual resource.
Embodiment 2:
This insulating frame do as one likes energy separaant system, dynamic resource management device, monitor of virtual machine, virtual machine and system resource pond form;
Performance isolation subsystem is the external internal interface of whole framework, is responsible for tenant's request to control, and mainly completes the function of services request route, request access control and service scenario monitoring; Services request route: when tenant carries out services request, need to be by means of the mapping relations between tenant and virtual machine, between tenant and corresponding virtual machine, set up session: when tenant sends services request, by the request threshold value obtaining according to corresponding strategy in administration module, the request of relative users is implemented to access control, with the service quality that ensures that SLA specifies; Service scenario monitoring: the actual QoS situation of tenant's service is by monitored and record, and these data can feed back to manager to tenant's Service Source is carried out to dynamic management.Dynamic resource management device is the core of whole framework, various main algorithms are all stored among this management plane, these algorithms are mainly responsible for other ingredients of framework to manage, and the algorithm in manager mainly comprises two classes, realizes respectively the management to tenant's service quality and resource; Resource management mechanism: the function of this part is to be each tenant's predistribution virtual resource according to tenant's SLA, predistribution virtual resource is exactly required pre-assigned resource in virtual machine activation, by controlling virtual monitor device, realize the dynamic assignment to tenant's resource simultaneously; Admission control mechanism: the function of this part be according to tenant's virtual resource number and tenant SLA, tenant's services request is controlled, simultaneously according to performance isolation subsystem, tenant's monitor message is triggered to the condition to tenant's redistribute resources.Monitor of virtual machine is mainly monitored the service condition of underlying resource, these information are stored in the daily record of system, foundation to tenant's charge after these data can be used as on the one hand, these statisticss can be used as the important input parameter of some algorithm in administration module on the other hand.Virtual machine is tenant's Resource Supply logical boundary, explanation wherein and execution environment comprise operating system and the corresponding application example in virtual machine, when tenant calls Service Instance, do as one likes energy separaant system virtual machine corresponding to tenant's services request routes to and processes tenant by corresponding Service Instance and ask, then result returns to user by performance separaant system, due to the control of virtual monitor device to it, can realize the dynamic-configuration of tenant's resource simultaneously.System resource pond is the set of free system resources, conventionally can think that some are by the interconnected server cluster of Fast Ethernet, in pond, comprise various computational resources, storage resources and bandwidth resources, tenant needs any service, and resource pool will be tenant's on-demand service, on-demand computing; System resource pond is the basis of whole framework, for building of virtual environment provides hardware foundation, simultaneously also for the operation of upper layer application example provides support.
The method of setting up this insulating frame is as follows:
First utilizing Intel Virtualization Technology is that each tenant sets up a VM, and this VM has specified the border of tenant's logical resource, in the time being this VM initialization virtual resource, adopts the virtual resource of the virtual resource predistribution initialization VM based on tenant SLA; Then the service performance of the each tenant under logic isolation state is monitored and managed, application access control mode control tenant's response time border; Finally tenant's service scenario is monitored, realized the dynamic adjustment of tenant's virtual resource and the maximization that aggregate resource utilizes by the dynamic assignment of virtual resource.
Concrete steps are as follows:
1) tenant and service provider sign SLA
The SLA that tenant and service provider sign is kept in SLA storehouse with the form of XML, has specified the requirement of corresponding QoS in SLA, for example, and average response time, availability etc.;
2) predistribution to tenant's resource according to SLA
Uneven according to tenant SLA, for tenant distributes corresponding virtual resource, virtual resource carries out initialization in corresponding virtual machine activation;
3) tenant asks the management of access control
System is according to the 2nd) initial resource in step and the correlation parameter in SLA, configure by the method for matching the session number that each tenant allows, and be kept in the respective cache of administration module, in the time that tenant sends new session request, request management module is called the respective algorithms in administration module, and algorithm utilizes the current tenant's that monitoring module obtains session number and the maximum number calculating to judge;
4) monitoring to tenant's service quality
By the monitoring to tenant's active service quality, and introduce the thought that user experiences, the state that tenant is current is added up, statistics is carried out to record;
5) tenant asks the setting of recalculating of access control
According to statistics, tenant's resource is dynamically adjusted, simultaneously according to newly assigned resource, utilized admission control algorithm to upgrade the threshold value that tenant asks under new environment, and continue tenant's experience to monitor.
By embodiment above, described those skilled in the art can be easy to realize the present invention.But should be appreciated that the present invention is not limited to above-mentioned several embodiments.On the basis of disclosed embodiment, described those skilled in the art can the different technical characterictic of combination in any, thereby realizes different technical schemes.
Claims (7)
1. the performance isolation of the many tenants based on an Intel Virtualization Technology framework, is characterized in that, this insulating frame do as one likes energy separaant system, dynamic resource management device, monitor of virtual machine, virtual machine and system resource pond form;
The method of setting up this insulating frame is as follows:
First utilizing Intel Virtualization Technology is that each tenant sets up a VM, and this VM has specified the border of tenant's logical resource, in the time being this VM initialization virtual resource, adopts the virtual resource of the virtual resource predistribution initialization VM based on tenant SLA; Then the service performance of the each tenant under logic isolation state is monitored and managed, application access control mode control tenant's response time border; Finally tenant's service scenario is monitored, realized the dynamic adjustment of tenant's virtual resource and the maximization that aggregate resource utilizes by the dynamic assignment of virtual resource.
2. a kind of many tenants performance isolation framework based on Intel Virtualization Technology according to claim 1, is characterized in that, the concrete steps of the described method of setting up this insulating frame are as follows:
1) tenant and service provider sign SLA
The SLA that tenant and service provider sign is kept in SLA storehouse with the form of XML, has specified the requirement of corresponding QoS in SLA;
2) predistribution to tenant's resource according to SLA
Uneven according to tenant SLA, for tenant distributes corresponding virtual resource, virtual resource carries out initialization in corresponding virtual machine activation;
3) tenant asks the management of access control
System is according to the 2nd) initial resource in step and the correlation parameter in SLA, configure by the method for matching the session number that each tenant allows, and be kept in the respective cache of administration module, in the time that tenant sends new session request, request management module is called the respective algorithms in administration module, and algorithm utilizes the current tenant's that monitoring module obtains session number and the maximum number calculating to judge;
4) monitoring to tenant's service quality
By the monitoring to tenant's active service quality, and introduce the thought that user experiences, the state that tenant is current is added up, statistics is carried out to record;
5) tenant asks the setting of recalculating of access control
According to statistics, tenant's resource is dynamically adjusted, simultaneously according to newly assigned resource, utilized admission control algorithm to upgrade the threshold value that tenant asks under new environment, and continue tenant's experience to monitor.
3. a kind of many tenants performance isolation framework based on Intel Virtualization Technology according to claim 1, it is characterized in that, described performance isolation subsystem is the external internal interface of whole framework, be responsible for tenant's request to control, mainly complete the function of services request route, request access control and service scenario monitoring; Services request route: when tenant carries out services request, need to be by means of the mapping relations between tenant and virtual machine, between tenant and corresponding virtual machine, set up session: when tenant sends services request, by the request threshold value obtaining according to corresponding strategy in administration module, the request of relative users is implemented to access control, with the service quality that ensures that SLA specifies; Service scenario monitoring: the actual QoS situation of tenant's service is by monitored and record, and these data can feed back to manager to tenant's Service Source is carried out to dynamic management.
4. a kind of many tenants performance isolation framework based on Intel Virtualization Technology according to claim 1, it is characterized in that, described dynamic resource management device is the core of whole framework, various main algorithms are all stored among this management plane, these algorithms are mainly responsible for other ingredients of framework to manage, algorithm in manager mainly comprises two classes, realizes respectively the management to tenant's service quality and resource; Resource management mechanism: the function of this part is to be each tenant's predistribution virtual resource according to tenant's SLA, predistribution virtual resource is exactly required pre-assigned resource in virtual machine activation, by controlling virtual monitor device, realize the dynamic assignment to tenant's resource simultaneously; Admission control mechanism: the function of this part be according to tenant's virtual resource number and tenant SLA, tenant's services request is controlled, simultaneously according to performance isolation subsystem, tenant's monitor message is triggered to the condition to tenant's redistribute resources.
5. a kind of many tenants performance isolation framework based on Intel Virtualization Technology according to claim 1, it is characterized in that, described monitor of virtual machine is mainly monitored the service condition of underlying resource, these information are stored in the daily record of system, foundation to tenant's charge after these data can be used as on the one hand, these statisticss can be used as the important input parameter of some algorithm in administration module on the other hand.
6. a kind of many tenants performance isolation framework based on Intel Virtualization Technology according to claim 1, it is characterized in that, described virtual machine is tenant's Resource Supply logical boundary, explanation wherein and execution environment comprise operating system and the corresponding application example in virtual machine, when tenant calls Service Instance, do as one likes energy separaant system virtual machine corresponding to tenant's services request routes to and processes tenant by corresponding Service Instance and ask, then result returns to user by performance separaant system, simultaneously due to the control of virtual monitor device to it, can realize the dynamic-configuration of tenant's resource.
7. a kind of many tenants performance isolation framework based on Intel Virtualization Technology according to claim 1, it is characterized in that, described system resource pond is the set of free system resources, conventionally can think that some are by the interconnected server cluster of Fast Ethernet, in pond, comprise various computational resources, storage resources and bandwidth resources, tenant needs any service, and resource pool will be tenant's on-demand service, on-demand computing; System resource pond is the basis of whole framework, for building of virtual environment provides hardware foundation, simultaneously also for the operation of upper layer application example provides support.
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