CN104239116A - Virtual host control system and method - Google Patents
Virtual host control system and method Download PDFInfo
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- CN104239116A CN104239116A CN201310222814.5A CN201310222814A CN104239116A CN 104239116 A CN104239116 A CN 104239116A CN 201310222814 A CN201310222814 A CN 201310222814A CN 104239116 A CN104239116 A CN 104239116A
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Abstract
The invention provides a virtual host control system. The virtual host control system is applied to a cloud server. The virtual host control system comprises an initialization module and a generating module, wherein the initialization module is used for initializing and setting storage upper limit, storage lower limit and storage amount of virtual hosts in various configuration standards, and the generating module is used for calculating to obtain supplement quantity of a type of configuration standards according to the difference between current storage amount and storage upper limit of the type of configuration standards when current storage amount of the virtual hosts in the type of configuration standards is smaller than storage lower limit of the type of configuration standards and generating the calculated supplement quantity of virtual hosts in the type of configuration standards to make storage completely full. The invention further provides a virtual host control method. By means of the virtual host control system and method, the number of required virtual hosts can be flexibly and automatically generated, and resources of the virtual hosts can be automatically controlled.
Description
Technical field
The present invention relates to a kind of fictitious host computer configuration mechanism, especially about a kind of virtual host control system and method.
Background technology
The arrival of high in the clouds computing (Cloud Computing) allows user can by network according to elasticity of demand, use virtual computer resource easily.At present, cloud service provider provides fictitious host computer (such as to user, cloud host machine, Cloud Host) mode generally: user selects the configuration parameter of required fictitious host computer by the webpage of cloud service provider, the specification of the resources such as such as operating system, CPU, internal memory, hard disk, then configured and the fictitious host computer generated needed for user according to the configuration parameter that user selects by cloud service provider.But this collocation method just can obtain and use required fictitious host computer after generally needing user at least to wait for a period of time.
Fictitious host computer is used immediately in order to allow user, general classic method sets up certain various types of fictitious host computer quantity (or claiming stock) in advance, when fictitious host computer tank farm stock is less than safety stock, by notification data center immediately, such fictitious host computer of supvr's regeneration shortage of stock, in case of need.But there is following risk equally in this classic method: the situation that (one) fictitious host computer quantity is inadequate happens occasionally, and odds in short supply is large; (2) fictitious host computer tank farm stock easily sets improper and causes certain wasting of resources; (3) administration configuration of fictitious host computer can not realize robotization and efficient activity.
Summary of the invention
In view of above content, be necessary to provide a kind of virtual host control system, elastification can automatically generate the fictitious host computer quantity of needs, automatic management and control fictitious host computer resource.
In view of above content, be necessary to provide a kind of virtual host control method, elastification can automatically generate the fictitious host computer quantity of needs, automatic management and control fictitious host computer resource.
A kind of virtual host control system, is applied to cloud server.This virtual host control system comprises: initialization module, for stock's upper limit of the fictitious host computer of all kinds of configuration specification of Initialize installation, stock's lower limit and tank farm stock; Generation module, prescribe a time limit under being less than the stock of such configuration specification when the Current Library storage of a class configuration specification fictitious host computer, calculate with the difference of its stock's upper limit the magnitude of recruitment that such configure specification according to the current tank farm stock of such configuration specification, and such of the magnitude of recruitment that calculates of generation configures specification fictitious host computer to supply stock.
A kind of virtual host control method, is applied to cloud server.The method comprises: initialization step: stock's upper limit of the fictitious host computer of all kinds of configuration specification of Initialize installation, stock's lower limit and tank farm stock; Generation step: prescribe a time limit under the Current Library storage of a class configuration specification fictitious host computer is less than the stock of such configuration specification, calculate with the difference of its stock's upper limit the magnitude of recruitment that such configure specification according to the current tank farm stock of such configuration specification, and such of the magnitude of recruitment that calculates of generation configures specification fictitious host computer to supply stock.
Compared to prior art, virtual host control system provided by the invention and method, by stock's upper limit and stock's lower limit of initializing set fictitious host computer tank farm stock, elastification can automatically generate the fictitious host computer quantity of needs, robotization and efficient activity ground management and control fictitious host computer resource, to maintain the inventory balance of dissimilar fictitious host computer.In addition, described virtual host control system and method reduce the occurrence probability of fictitious host computer short supply, decrease inventory cost simultaneously and avoid too much the caused waste of stock.
Accompanying drawing explanation
Fig. 1 is the applied environment figure of virtual host control system preferred embodiment of the present invention.
Fig. 2 is virtual host control system preferred embodiment functional block diagram of the present invention.
Fig. 3 is the process flow diagram of virtual host control method preferred embodiment of the present invention.
Fig. 4 is the initialization record schematic diagram of multiple difference configuration specifications of fictitious host computer.
Fig. 5 is the schematic diagram of the use record of multiple difference configuration specifications of fictitious host computer.
Fig. 6 is the adjustment schematic diagram of multiple difference configuration specifications of fictitious host computer.
Fig. 7 is a kind of method schematic flow diagram adjusting stock's bound.
Main element symbol description
| Cloud Server | 100 |
| Network | 200 |
| Client | 300 |
| Fictitious host computer | 10 |
| Virtual host control system | 20 |
| Initialization module | 21 |
| Receiver module | 22 |
| Distribution module | 23 |
| Update module | 24 |
| Judge module | 25 |
| Generation module | 26 |
| Adjusting module | 27 |
| Storer | 30 |
| Processor | 40 |
Following embodiment will further illustrate the present invention in conjunction with above-mentioned accompanying drawing.
Embodiment
Consulting shown in Fig. 1, is the applied environment figure of virtual host control system 20 of the present invention preferred embodiment.In the present embodiment, this virtual host control system 20 is applied to Cloud Server 100.Cloud Server 100 is provided by cloud computing service provider, and this Cloud Server 100 can be a station server, also can be the cluster of multiple servers composition.Client 300 connects Cloud Server 100 by network 200, and request Cloud Server 100 provides fictitious host computer (virtual machine, VM) 10.Can the VM 10 of all kinds of configuration specifications of stock's some in Cloud Server 100, in time receiving the request of client 300, provide the VM 10 of corresponding configuration specification to this client 300.Virtual host control system 20 is that the VM 10 of all kinds of configuration specification presets stock's upper limit and stock's lower limit, and automatically adjusts stock's upper limit and stock's lower limit of the VM 10 of all kinds of configuration specification according to the use amount of the VM 10 of each configuration specification and tank farm stock.
Consulting shown in Fig. 2, is virtual host control system 20 preferred embodiment functional block diagram of the present invention.This virtual host control system 20 comprises initialization module 21, receiver module 22, distribution module 23, update module 24, judge module 25, generation module 26 and adjusting module 27.Above-mentioned module 21-27 comprises computer programing instruction, and this computer programing instruction is stored in the storer 30 of Cloud Server 100, and performs by the processor 40 of Cloud Server 100 function providing virtual host control system 20.The concrete function of module 21-27 is introduced below in conjunction with Fig. 3-Fig. 7.
Consulting shown in Fig. 3, is the process flow diagram of virtual host control method preferred embodiment of the present invention.According to different enforcement demands, the step in Fig. 3 can increase, remove or change order.
Step S101, the VM 10 of all kinds of configuration specification of initialization module 21 Initialize installation are at stock's upper limit of Cloud Server 100, stock's lower limit (i.e. safety stock) and tank farm stock.Described all kinds of configuration specification represents and comprises dissimilar operating system (Operation system, OS) and hardware (comprising CPU, internal memory and hard disk) specification.As shown in Figure 4, Cloud Server 100 provides 6 kinds of dissimilar configuration specifications (actual do not limit to kind of the configuration specification of 6 described in Fig. 4).Such as, sequence number be 001 configuration specification be (OS1, IVM-S), such configuration specification represent that the operating system of VM 10 is that OS1, IVM-S specification can represent 1 core cpu, 2G internal memory, 100G hard disk etc.In this preferred embodiment, the tank farm stock that described initialization module 21 pre-sets the VM 10 of all kinds of configuration specification equals stock's upper limit that such configures specification Initialize installation.Wherein, described tank farm stock is the generated quantity being not yet assigned to the fictitious host computer of client 300 of Cloud Server 100.Described stock's upper limit refers to the VM 10 of the maximum quantity that client 300 can be asked.Described stock's lower limit is a threshold values, prescribes a time limit, need on Cloud Server 100, generate new VM 10 and once replenish to replenish the stock under the Current Library storage of VM 10 is less than stock.Stock's bound and the tank farm stock of the VM 10 of different configuration specification can be set to identical, also can be different.The described module 21 that arranges can according to the actual demand amount of practical experience and all kinds of configuration specification to arrange stock's bound and the tank farm stock of all kinds of configuration specification.
It should be noted that as shown in Figure 4, wherein total amount is the totalling of use amount and tank farm stock; Use amount refers to the quantity of the VM 10 of such configuration specification that client 300 is asked; Magnitude of recruitment refers to prescribe a time limit under tank farm stock is less than or equal to stock, needs newly-increased (namely supplementing) quantity to be the VM 10 of the difference of stock's upper limit and Current Library storage.
Step S102, receiver module 22 receives the request of the configuration VM 10 that client 300 sends and records configuration specification and the quantity of the VM 10 that this client 300 is asked, and described distribution module 23 distributes the VM 10 of such configuration specification of institute's number of requests to this client 300.
Step S103, update module 24 upgrades the current tank farm stock of such VM 10 configuring specification and use amount.The tank farm stock of the VM 10 of such configuration specification is deducted the quantity that recorded client 300 is asked by described update module 24, to upgrade the tank farm stock of the current VM 10 of such configuration specification, and the use amount of the VM 10 of such configuration specification is added quantity recorded above, to upgrade the use amount of the VM 10 of such configuration specification.
Step S104, judge module 25 judges whether the current tank farm stock of VM 10 of such configuration specification is greater than stock's lower limit of such configuration specification.If the current tank farm stock of VM 10 of such configuration specification is less than or equal to stock's lower limit of such configuration specification, perform step S105.If the current tank farm stock of VM 10 of such configuration specification is greater than stock's lower limit of such configuration specification, directly execution step S107.Such as, as shown in Figure 5, sequence number " 002 ", " 003 " and the configuration specification VM 10 corresponding to " 006 " upgrade stock's lower limit that rear current tank farm stock is all less than or equal to its correspondence, perform step S105.Sequence number " 001 ", " 004 " and the configuration specification VM 10 corresponding to " 005 " upgrade stock's lower limit that rear current tank farm stock is all greater than its correspondence, perform step S107.
Step S105, generation module 26 calculates according to such configuration VM 10 Current Library storage of specification and the difference of use amount the magnitude of recruitment that such configures specification VM 10, generate the VM 10 of such configuration specification of this magnitude of recruitment, and the VM 10 of generation is increased newly to Cloud Server 100 and carry out replenishing to supply stock.As shown in Figure 5, the magnitude of recruitment corresponding to VM 10 of the configuration specification of sequence number " 002 ", " 003 " and " 006 " is " 20 ", " 25 " and " 13 ".Described generation module 26 generates the VM 10 of such configuration specification of corresponding magnitude of recruitment, and increases newly in Cloud Server 100.
Step S106, update module 24, according to calculated magnitude of recruitment, upgrades total amount and the tank farm stock of the VM 10 of such configuration specification.As shown in Figure 6, the total amount of the VM 10 of the configuration specification that such as sequence number " 002 " is corresponding and tank farm stock add magnitude of recruitment " 20 " respectively.It should be noted that, when client 300 is by applied for VM 10 permanent delet, namely delete the hardware resource of data also shared by releasing completely, now update module 24 can upgrade use amount and total amount, and such as total amount and use amount all reduce the quantity that client 300 is deleted.That is, the total amount of VM 10 can increase along with tank farm stock and increase, and reduces and reduce with use amount.
Step S107, according to the control methods of the stock's upper limit preset and stock's lower limit, judge module 25 judges that such stock's upper limit configuring specification or stock's lower limit are the need of adjustment.When the stock's upper limit or stock's lower limit that judge such configuration specification need adjustment, enter step S108; When the stock's upper limit or stock's lower limit that judge such configuration specification do not need adjustment, return step S102.
Step S108, adjusting module 27 is reached the standard grade according to the stock of the control methods preset to such configuration specification or stock's lower limit adjusts.
The described control methods preset include, but are not limited to time cycle reorder frequency predication method, use amount ratio method, the method for moving average, historical record method, and manual control method.The regulate and control method of the described stock's upper limit preset can be identical or different with the regulate and control method of the stock's lower limit preset.
Time cycle reorder frequency predication method refers to when such configuration specification VM 10 reorder frequency of (such as 7 days) in preset time period is more than or equal to preset upper limit number of times (such as 3 times), then stock's upper limit be heightened default accelerate (such as 5); If such configuration specification VM 10 reorder frequency in preset time period is less than or equal to pre-determined lower limit number of times (such as 0), then stock's upper limit is reduced the minimizing quantity (such as 2) preset.Described reorder frequency represents the number of times of the request of the request configuration VM 10 that client 300 sends.Under the highest quantity that replenishes of single during such configuration specification VM 10 is in preset time period is greater than stock in limited time, then stock's lower limit is adjusted to the highest quantity that replenishes of this single.Prescribe a time limit under VM 10 certain quantity that replenishes in preset time period of such configuration specification is less than or equal to stock, then keep stock's lower limit constant.In addition, it should be noted that reducing stock's upper limit may cause stock's upper limit to be less than the problem of Current Library storage, therefore, after when stock's upper limit is less than Current Library storage, discharges unnecessary VM 10.And when to heighten on stock in limited time, the logical problem that stock's upper limit can not be less than Current Library storage can not be there is, can treat to carry out next time to replenish or replenish while revising the upper limit.Detailed introduction is see the process flow diagram schematic diagram of the time cycle reorder frequency predication method of Fig. 7.
Use amount ratio method refers to preset first ratio and second ratio.When ratio between stock's upper limit and its current use amount of such configuration specification VM 10 is less than the first default ratio, the stock's upper limit automatically adjusting such configuration specification VM 10 is that current use amount and the first ratio are long-pending.When ratio between stock's lower limit and current use amount is greater than the second default ratio, automatically adjusting such configuration specification VM 10 stock lower limit is that current use amount and the second ratio are long-pending.
The described method of moving average refers to, the real data recent according to such configuration specification VM 10 calculates tomorrow requirement amount.The method of moving average is suitable for use in real-time estimate.When the changes in demand fluctuation of such configuration specification VM 10 is less, and when not affecting by seasonal factor, the method for moving average is suitable for.The method of moving average is according to time series data, one one passing, and calculating the method on average estimating secular trend comprising certain project successively, is a kind of smoothing prediction technology.Wherein be divided into again the simple method of moving average and the method for weighted moving average.The simple method of moving average can be adopted to extrapolate average use amount according to each use amount of time recording, then adopt ratio to calculate stock's bound.Separately can adopt the method for weighted moving average according to time distance, nearest data rights kind is improved, the data rights kind comparatively for a long time be reduced, just improves the accuracy rate of seasonal fluctuation.Wherein the formula of the simple method of moving average is for " to estimate use amount=(use amount
(t-1)+ use amount
(t-2)+ use amount
(t-3)+ ... + use amount
(t-n))/n "; The formula of the described method of weighted moving average is " (weight 1* use amount
(t-1)+ weight 2* use amount
(t-2)+ weight 3* use amount
(t-3)+ ... + weight n* use amount
(t-n))/n ".Wherein n number, use amount
(t-1)for use amount last time, use amount
(t-2), use amount
(t-3)and use amount
(t-n)represent respectively use amount upper last time, upper upper last time use amount and the use amount of upper n time.
If historical record method refers to that stock's upper limit of such configuration specification VM 10 and stock's lower limit fluctuate with Seasonal Analysis, mean value correspondence amendment stock's upper limit and stock's lower limit of stock's upper and lower limit of such configuration specification VM 10 of historical record can be adopted.
Manual control method refers to the stock's upper limit and the stock's lower limit that automatically adjust such configuration specification VM 10 according in the past accumulative empirical data, such as, can automatically adjust such stock's upper limit configuring specification VM 10 and stock's lower limit according to the data of stock's upper and lower limit of various quarters in the past.
As shown in Figure 7, be a kind of method schematic flow diagram adjusting stock's bound.According to different enforcement demands, the step in Fig. 7 can increase, remove or change order.
Step S170, judge module 25 judges whether the reorder frequency of such configuration specification VM 10 in preset time period is less than preset upper limit number of times (such as 5), if be more than or equal to preset upper limit number of times, enters step S171, if be less than preset upper limit number of times, enter step S172.Described reorder frequency represents that client 300 sends request the request number of times of such configuration of configuration specification VM 10.
Step S171, stock's upper limit of such configuration specification VM 10 is heightened default accelerating by adjusting module 27, and enters step S174.
Step S172, judge module 25 judges whether the reorder frequency of such configuration specification VM 10 in preset time period is greater than pre-determined lower limit number of times (such as 0), if be less than or equal to pre-determined lower limit number of times, enters step S173, if be greater than pre-determined lower limit number of times, enter step S174.
Step S173, such configuration specification VM 10 stock upper limit is reduced the minimizing quantity (such as 2) preset by adjusting module 27.
Step S174, whether the stock's upper limit after judge module 25 judges such configuration specification VM 10 adjustment is less than the current tank farm stock of such VM 10 configuring specification.When judging that the stock's upper limit after adjustment is less than current tank farm stock, enter step S175; When allowing the stock's upper limit after judging adjustment be more than or equal to current tank farm stock, enter step S176.
Step S175, after adjusting module 27 discharges tank farm stock and adjustment, such of stock's upper limit difference quantities configures the VM 10 of specification.Described release VM 10 represents the VM 10 deleting such configuration specification on Cloud Server 100.
Step S176, judge module 25 judges whether the VM 10 of such configuration specification middle the highest quantity that replenishes of single in preset time period is greater than such Current Library configuring the VM 10 of specification and leaves limit.The described quantity that replenishes refers to the quantity of the VM 10 of client 300 single application.If being greater than Current Library leaves in limited time, enter step S177, leave in limited time if be less than or equal to Current Library, keep Current Library to leave the constant and flow process of limit and terminate.
Step S177, stock's lower limit of such configuration specification VM 10 is adjusted to the highest quantity that replenishes of this time by adjusting module 27.
It should be noted last that, above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, although with reference to above preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technical scheme of the present invention or equivalent replacement, and not depart from the spirit and scope of technical solution of the present invention.
Claims (10)
1. a virtual host control system, is characterized in that, this virtual host control system comprises:
Initialization module, for stock's upper limit of the fictitious host computer of all kinds of configuration specification of Initialize installation, stock's lower limit and tank farm stock;
Generation module, prescribe a time limit under being less than the stock of such configuration specification when the Current Library storage of a class configuration specification fictitious host computer, calculate with the difference of its stock's upper limit the magnitude of recruitment that such configure specification according to the current tank farm stock of such configuration specification, and such of the magnitude of recruitment that calculates of generation configures specification fictitious host computer to supply stock.
2. virtual host control system as claimed in claim 1, it is characterized in that, this virtual host control system also comprises:
Receiver module, for receiving the request of the configuration virtual main frame that client is sent by network, and records configuration specification and the quantity of the fictitious host computer that this client is asked;
Distribution module, for distributing the fictitious host computer of such configuration specification of institute's number of requests to client.
3. virtual host control system as claimed in claim 2, it is characterized in that, this system also comprises:
Update module, for when after the fictitious host computer distributing such configuration specification to client, upgrades the current tank farm stock of such configuration specification and use amount;
Described update module also for when generating such configuration specification fictitious host computer of the magnitude of recruitment calculated, upgrades total amount and the tank farm stock of such configuration specification fictitious host computer.
4. virtual host control system as claimed in claim 2, it is characterized in that, this virtual host control system also comprises:
Judge module, for judging that such configuration specification stock's upper limit or stock's lower limit are the need of adjustment;
Adjusting module, for when judging that such configuration specification stock's upper limit or stock's lower limit need adjustment, the control methods according to presetting adjust stock's upper limit or stock's lower limit.
5. virtual host control system as claimed in claim 4, is characterized in that, regulate and control method adjustment stock's upper limit that described employing is preset and stock's lower limit comprise step:
When judging that the reorder frequency of such configuration specification fictitious host computer in preset time period is more than or equal to preset upper limit number of times, stock's upper limit of such configuration specification fictitious host computer is heightened default accelerating, and described reorder frequency represents that client sends the request number of times of such configuration specification fictitious host computer of configuration;
When the reorder frequency of such configuration specification fictitious host computer of judgement in preset time period is less than or equal to pre-determined lower limit number of times, such configuration specification fictitious host computer stock upper limit is reduced the minimizing quantity preset;
When judging that the stock's upper limit after such configuration specification fictitious host computer adjustment is less than the current tank farm stock of the fictitious host computer of such configuration specification, after release tank farm stock and adjustment, such of stock's upper limit difference quantities configures the fictitious host computer of specification;
When judging that the fictitious host computer of such configuration specification middle the highest quantity that replenishes of single in preset time period is greater than such Current Library configuring the fictitious host computer of specification and leaves in limited time, stock's lower limit of such configuration specification fictitious host computer is adjusted to the highest quantity that replenishes of this time, and the wherein said quantity that replenishes refers to the quantity of the fictitious host computer of client single application.
6. a virtual host control method, is characterized in that, the method comprises:
Initialization step: stock's upper limit of the fictitious host computer of all kinds of configuration specification of Initialize installation, stock's lower limit and tank farm stock;
Generation step: prescribe a time limit under the Current Library storage of a class configuration specification fictitious host computer is less than the stock of such configuration specification, calculate with the difference of its stock's upper limit the magnitude of recruitment that such configure specification according to the current tank farm stock of such configuration specification, and such of the magnitude of recruitment that calculates of generation configures specification fictitious host computer to supply stock.
7. virtual host control method as claimed in claim 6, it is characterized in that, the method also comprises:
Receiving step: receive the request of configuration virtual main frame that client is sent by network, and the configuration specification and the quantity that record the fictitious host computer that this client is asked;
Allocation step: the fictitious host computer distributing such configuration specification of institute's number of requests to client.
8. virtual host control method as claimed in claim 7, it is characterized in that, the method also comprises step:
Step of updating one: when after the fictitious host computer distributing such configuration specification to client, upgrades the current tank farm stock of such configuration specification and use amount;
Step of updating two: when generating such configuration specification fictitious host computer of the magnitude of recruitment calculated, upgrades total amount and the tank farm stock of such configuration specification fictitious host computer.
9. virtual host control method as claimed in claim 7, it is characterized in that, this virtual host control method also comprises:
Determining step: judge that such configuration specification stock's upper limit or stock's lower limit are the need of adjustment;
Set-up procedure: when judging that such configuration specification stock's upper limit or stock's lower limit need adjustment, the control methods according to presetting adjust stock's upper limit or stock's lower limit.
10. virtual host control method as claimed in claim 9, is characterized in that, regulate and control method adjustment stock's upper limit that described employing is preset and stock's lower limit comprise step:
When judging that the reorder frequency of such configuration specification fictitious host computer in preset time period is more than or equal to preset upper limit number of times, stock's upper limit of such configuration specification fictitious host computer is heightened default accelerating, and described reorder frequency represents that client sends the request number of times of such configuration specification fictitious host computer of configuration;
When the reorder frequency of such configuration specification fictitious host computer of judgement in preset time period is less than or equal to pre-determined lower limit number of times, such configuration specification fictitious host computer stock upper limit is reduced the minimizing quantity preset;
When judging that the stock's upper limit after such configuration specification fictitious host computer adjustment is less than the current tank farm stock of the fictitious host computer of such configuration specification, after release tank farm stock and adjustment, such of stock's upper limit difference quantities configures the fictitious host computer of specification;
When judging that the fictitious host computer of such configuration specification middle the highest quantity that replenishes of single in preset time period is greater than such Current Library configuring the fictitious host computer of specification and leaves in limited time, stock's lower limit of such configuration specification fictitious host computer is adjusted to the highest quantity that replenishes of this time, and the wherein said quantity that replenishes refers to the quantity of the fictitious host computer of client single application.
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Application publication date: 20141224 |