CN107656807A - The automatic elastic telescopic method and device of a kind of virtual resource - Google Patents
The automatic elastic telescopic method and device of a kind of virtual resource Download PDFInfo
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Abstract
The embodiments of the invention provide the automatic elastic telescopic method and device of a kind of virtual resource, wherein method includes：Receive the monitoring alarm of at least one working index for the flexible group of target；According to monitoring alarm, it is determined that the flexible strategy for the flexible group of target；When flexible strategy is increase example, the example specification of the flexible group of target is obtained, example specification determines what is obtained for the statistical information of the monitoring data previously according at least one working index for the flexible group of target；The increase example request for carrying example specification is sent to example resource management platform, so that example resource management platform is according to the example specification, it is the flexible group increase example of target.Increase the example specification of example i.e. in the embodiment of the present invention newly, be the loading condition that is reflected according to the working index of flexible group to be updated, the resource allocation precision and resource utilization of flexible group of example can be lifted.
Description
Technical field
The present invention relates to the automatic elastic telescopic method and device of electronic technology field, more particularly to a kind of virtual resource.
Background technology
A key property of the elasticity of resource as cloud computation data center, it is mainly based upon automatic elastic and stretched
(Auto Scaling) technology is realized.Automatic elastic stretches technology, is stretched strategy using the automatic elastic of a certain fixation, at certain
It is corresponding to virtualizing the progress of example quantity in flexible group of the application when the flexible group of load change increase or reduction of individual application
Ground increases or reduced.In practical application, because cloud computation data center can not usually predict the actual loading demand of application, because
This, when exceeding in present load demand or will be more than the load that the resource of cloud computation data center can bear, cloud computing
Data center needs to add more virtualization examples to tackle the load beyond current can bear, on the contrary, working as cloud computing
When the afforded load of the resource of data center is far beyond present load demand, cloud computation data center needs to reduce not
The virtualization example being used, thus, cloud computation data center can use virtualization of the flexible technology of automatic elastic to application real
Number of cases amount is controlled.
In the prior art, virtualizing example is configured according to different specifications.For example, virtualization example can be by
It is 1G according to CPU frequency, inside saves as 2G specification to configure, can also be 2G according to CPU frequency, inside saves as 4G specification to match somebody with somebody
Put, this configuration mode lacks precision, if the example specification of initial configuration is too high to easily cause the wasting of resources, if initially matched somebody with somebody
The example specification put is too low to easily cause the inadequate resource for distributing to example.
The content of the invention
Technical problem to be solved of the embodiment of the present invention is, there is provided a kind of automatic elastic telescopic method of virtual resource
And device, for according to the example specification that renewal is timed with real resource demand, for flexible group increase example, improving and stretching
The resource allocation precision and resource utilization of contracting group example.
First embodiment of the invention provides a kind of automatic elastic telescopic method of virtual resource.The appliance for releasing single of virtual resource
Property retractor device receive monitoring alarm at least one working index of the flexible group of target according to monitoring alarm after, just really
Surely for the flexible strategy of the flexible group of target, when flexible strategy is defined as increasing the situation of example, obtain previously according to target
The statistical information of the monitoring data of at least one working index of flexible group determines obtained example specification, most backward example resource
Management platform sends the increase example request for carrying example specification, and increase example request is used to indicate that example resource management platform is pressed
According to the example specification, for the flexible group increase example of target.
In the technical scheme, the automatic elastic retractor device of virtual resource increases the example specification of example newly, is according to mesh
The loading condition that the working index of the flexible group of mark is reflected can thus avoid fixing example specification when institute come what is be updated
Caused by example specification initial configuration difficulty the problem of, the resource allocation precision and resource utilization of flexible group example can be lifted,
Simultaneously it is also ensured that flexible group is stablized relatively.
In the first possible implementation of first aspect, described in the automatic elastic retractor device acquisition of virtual resource
Before the example specification of the flexible group of target, the monitoring number of at least one working index for the flexible group of the target is first obtained
According to according to the monitoring data got, it is determined that the monitoring data at least one working index of the flexible group of the target
Statistical information, further according to the statistical information of the monitoring data of at least one working index of the flexible group of the target, it is determined that described
The example specification of the flexible group of target.
In the technical scheme, the automatic elastic retractor device of virtual resource is by the monitoring of the working index of the flexible group of target
Data obtain the statistical information that can reflect the loading demand of the flexible group of target, so as to according to mesh after statistical analysis
The example specification of the flexible group of more fresh target of the loading demand timing of the flexible group of mark, lift the resource allocation precision of flexible group example
And resource utilization.
With reference to the first possible implementation of first aspect, in second of possible implementation, virtual resource
Automatic elastic retractor device determine the example specification of the flexible group of the target after, by the flexible group of the target for determining to obtain
Example specification covers original example specification of the flexible group of the target.
In the technical scheme, the automatic elastic retractor device of virtual resource is by the example specification after the flexible group renewal of target
Original example specification is replaced, memory space can be saved.
With reference to the first possible implementation of first aspect, in the third possible implementation, virtual resource
Automatic elastic retractor device determine the example specification of the flexible group of the target after, obtain the target for determining to obtain and stretch group
Example specification creation time, store the example specification of the flexible group of the creation time and the target is corresponding to default
In the example specification set of the flexible group of the target, the example specification set of the flexible group of the target includes multiple creation times pair
The example specification for the flexible group of the target answered.
In the technical scheme, target is stretched what group timing each time updated by the automatic elastic retractor device of virtual resource
Example specification and corresponding creation time are stored in example specification set, can keep the complete of example specification more new record
Whole property, while can also be in the flexible group example of delete target, there is provided more optional delet methods.
With reference to the first possible implementation of first aspect, in the 4th kind of possible implementation, monitoring data
It is included in multiple monitoring datas of multiple sampling time point collections, the automatic elastic retractor device of virtual resource is according to the multiple
The time tandem of sampling time point, determine the weight of multiple monitoring datas corresponding to the multiple sampling time point difference
Value, then multiple monitoring datas according to corresponding to the multiple sampling time point difference, corresponding with reference to the multiple monitoring data
Weighted value, calculate the statistical information of the monitoring data of at least one working index for the flexible group of the target.
In the technical scheme, the automatic elastic retractor device of virtual resource can be according to corresponding to multiple sampling time points
The significance level of multiple monitoring datas, the weighted value of multiple monitoring datas corresponding to multiple sampling time points difference is set, so as to
Get more accurate statistical information.
It is at least one in the 5th kind of possible implementation with reference to the first possible implementation of first aspect
The statistical information of the monitoring data of working index is respectively present corresponding example specification hierarchical policy, the automatic elastic of virtual resource
Retractor device obtains example rule corresponding to the statistical information of the monitoring data of at least one working index of the flexible group of the target
Lattice hierarchical policy, the statistical information for the monitoring data of at least one working index of group of then being stretched according to the target, with reference to
Example specification hierarchical policy corresponding to the statistical information of the monitoring data of at least one working index, determines that the target is stretched
The example specification of contracting group.
In the technical scheme, the automatic elastic retractor device of virtual resource is obtained by setting example specification hierarchical policy
To the example specification that disclosure satisfy that different degrees of statistical information.
In the 6th kind of possible implementation of first aspect, the example specification of the flexible group of target exist it is multiple, virtually
The example rule of creation time the latest in multiple example specifications of the flexible group of the automatic elastic retractor device acquisition target of resource
Lattice, the increase example request for carrying the example specification of the creation time the latest is sent to the example resource management platform, increased
Add example request to be used to indicate the example specification of the example resource management platform according to the creation time the latest, be the mesh
The flexible group increase example of mark.
In the 7th kind of possible implementation of first aspect, when the flexible strategy is reduces example, virtual money
The automatic elastic retractor device in source obtains the example specification of the flexible group of the target, sends and takes to the example resource management platform
Reduction example request with the example specification, reduce example request and be used to indicate the example resource management platform according to
Example specification, delete at least one example in multiple examples of the flexible group of the target.
With reference to the 7th kind of possible implementation of first aspect, in the 8th kind of possible implementation, target is stretched
Multiple, multiple examples rule of the flexible group of the automatic elastic retractor device acquisition target of virtual resource be present in the example specification of group
The earliest example specification of creation time in lattice, sent to the example resource management platform and carry the earliest reality of the creation time
The reduction example request of convention lattice, reduce example request and be used to indicate the example resource management platform in the flexible group of the target
Multiple examples in delete the earliest example of creation time of at least one example specification.
Second aspect of the present invention provides a kind of automatic elastic retractor device of virtual resource.The device include processor,
Memory and communication interface.Processor is connected to memory and communication interface, such as processor can be connected to by bus
Memory and communication interface.Communication interface is used to be communicated with equipment such as monitoring device, example resource management platforms.Memory
Example specification for storing the flexible group of target etc..Processor is used for the part or all of flow for performing first aspect.
The third aspect provides the automatic elastic retractor device of another virtual resource, and the device includes：
Receiving module, for receiving the monitoring alarm of at least one working index for the flexible group of target；
Processing module, for according to the monitoring alarm, it is determined that the flexible strategy for the flexible group of the target；
The processing module is additionally operable to：
When the flexible strategy is increases example, the example specification of the flexible group of the target, the example specification are obtained
Statistical information for the monitoring data previously according at least one working index for the flexible group of the target determines what is obtained；
Sending module, the increase example request of the example specification, institute are carried for being sent to example resource management platform
Increase example request is stated to be used to indicate that the example resource management platform according to the example specification, increases for the flexible group of the target
Add example.
In the first possible implementation of the third aspect, the processing module is additionally operable to：
Obtain the monitoring data of at least one working index for the flexible group of the target；
According to the monitoring data of at least one working index for the flexible group of the target, it is determined that being stretched for the target
The statistical information of the monitoring data of at least one working index of contracting group；
According to the statistical information of the monitoring data of at least one working index of the flexible group of the target, the target is determined
The example specification of flexible group.
With reference to the first possible implementation of the third aspect, in second of possible implementation, the processing
Module is additionally operable to：
The example specification of the flexible group of the target for determining to obtain is covered to original example specification of the flexible group of the target.
With reference to the first possible implementation of the third aspect, in the third possible implementation, the processing
Module is additionally operable to：
Obtain the creation time of the example specification of the flexible group of the target for determining to obtain；
The creation time is stretched with corresponding store to the default target of example specification of the flexible group of the target
In the example specification set of group, the example specification set of the flexible group of the target includes the target corresponding to multiple creation times
The example specification of flexible group.
With reference to the first possible implementation of the third aspect, in the 4th kind of possible implementation, the monitoring
Data are included in multiple monitoring datas of multiple sampling time point collections；
The processing module is additionally operable to：
According to the time tandem of the multiple sampling time point, determine corresponding to the multiple sampling time point difference
The weighted value of multiple monitoring datas；
It is corresponding with reference to the multiple monitoring data according to multiple monitoring datas corresponding to the multiple sampling time point difference
Weighted value, calculate the statistical information of the monitoring data of at least one working index for the flexible group of the target.
With reference to the first possible implementation of the third aspect, in the 5th kind of possible implementation, it is described at least
The statistical information of the monitoring data of one working index is respectively present corresponding example specification hierarchical policy；
The processing module is additionally operable to：
Obtain example rule corresponding to the statistical information of the monitoring data of at least one working index of the flexible group of the target
Lattice hierarchical policy；
According to the statistical information of the monitoring data of at least one working index of the flexible group of the target, with reference to it is described at least
Example specification hierarchical policy corresponding to the statistical information of the monitoring data of one working index, determine the reality of the flexible group of the target
Convention lattice.
In the 6th kind of possible implementation of the third aspect, the flexible example specification organized of the target exists multiple；
The processing module is additionally operable to：Obtain the reality of creation time the latest in multiple example specifications of the flexible group of the target
Convention lattice；
The sending module is additionally operable to：Sent to the example resource management platform and carry the reality of the creation time the latest
The increase example request of convention lattice, the increase example request are used to indicate the example resource management platform according to the establishment
The example specification of time the latest, for the flexible group increase example of the target.
In the 7th kind of possible implementation of the third aspect, the processing module is additionally operable to：When the flexible strategy
During to reduce example, the example specification of the flexible group of the target is obtained；
The sending module is additionally operable to：The reduction reality for carrying the example specification is sent to the example resource management platform
Example request, the reduction example request is used to indicate the example resource management platform according to the example specification, described in deletion
At least one example in multiple examples of the flexible group of target.
With reference to the 7th kind of possible implementation of the third aspect, in the 8th kind of possible implementation, the target
The example specification of flexible group exists multiple；
The processing module is additionally operable to：Obtain the reality that creation time is earliest in multiple example specifications of the flexible group of the target
Convention lattice；
The sending module is additionally operable to：Sent to the example resource management platform and carry the earliest reality of the creation time
The reduction example request of convention lattice, the reduction example request are used to indicate that the example resource management platform is stretched in the target
The earliest example of the creation time of at least one example specification is deleted in multiple examples of contracting group.
The fourth aspect of the application, there is provided a kind of storage medium, store program code in the storage medium, the program
When code is run by computing device, the virtual money of one kind of any one implementation offer of first aspect or first aspect is performed
The automatic elastic telescopic method in source.The storage medium includes but is not limited to flash memory (English：Flash memory), hard disk
(English：Hard disk drive, abbreviation：HDD) or solid state hard disc is (English：Solid state drive, abbreviation：SSD).
The 5th aspect of the application, there is provided a kind of computer program product, the computer product are run by computing device
When, the automatic elastic for performing a kind of virtual resource of any one implementation offer of first aspect or first aspect is flexible square
Method.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 a are a kind of flexible management configuration diagrams of automatic elastic retractor device provided in an embodiment of the present invention；
Fig. 1 b are a kind of system architecture diagrams of automatic elastic telescopic system provided in an embodiment of the present invention；
Fig. 2 is a kind of schematic flow sheet of the automatic elastic telescopic method of virtual resource provided in an embodiment of the present invention；
Fig. 3 is a kind of schematic flow sheet of the update method of flexible group of example specification provided in an embodiment of the present invention；
Fig. 4 is that a kind of composition structure simplification of the automatic elastic retractor device of virtual resource provided in an embodiment of the present invention is shown
It is intended to；
Fig. 5 is a kind of composition structural representation of the automatic elastic retractor device of virtual resource provided in an embodiment of the present invention
Figure；
Fig. 6 is the composition structural representation of the automatic elastic retractor device of another virtual resource provided in an embodiment of the present invention
Figure.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Part herein, the basic concepts that each embodiment all refers in the present invention are illustrated first.
Flexible group in the embodiment of the present invention refers to perform identical application, has the virtualization example of identical function
Set.
Wherein, virtualization example refers to physical resource (computing resource, storage resource, Internet resources etc.) by virtualization skill
The independent executable calculating of art formation, storage, the virtual individual of network communicating function, can mainly show as virtual machine and appearance
Device.The virtualization example involved by automatic elastic telescopic method in the embodiment of the present invention, can be virtual machine or appearance
Device, and it is not specific to certain form.Virtualization example is referred to as " example " below.
Example specification can be understood as virtualizing the configuration of example, and dominant frequency size, the internal memory that can specifically include CPU are big
Small, network bandwidth, disk size etc..
Shown in Fig. 1 a is a kind of flexible management configuration diagram of automatic elastic retractor device, wherein, one flexible group
Including at least one virtualization example (illustrated in Fig. 1 a virtualization example 103a, 103b and 103c), and virtual resource
Elastic telescopic device 101 can be carried out at least one flexible group (illustrating flexible group 102a, 102b and 102c in Fig. 1 a)
Extension and contraction control management, that is to say, that in some flexible group that the elastic telescopic device 101 of virtual resource can be managed it
Virtualization example the example quantity for increasing or decreasing and correspondingly increasing or decreasing and example specification etc. carry out decision-making.Example
Such as, group of stretching 102b includes virtualization example 103a, 103b and 103c, and the elastic telescopic device 101 of virtual resource can be with decision-making
Any specification need to be configured for flexible group 102b increases virtualization example, including the several virtualization examples of increase, increased example；
Virtualization example 103a, 103b or 103c in flexible group of 102b can be deleted with decision-making.
Method in the present embodiment suitable for the various automatic elastic telescopic systems based on flexible group of virtualization example,
For example shown in Fig. 1 b it is a kind of system architecture diagram of automatic elastic telescopic system.Wherein, example resource management platform 104 is
The device of at least one virtualization example is managed, and the virtualization example of its management is operated on server or server cluster
(server 105a, 105b and 105c that operation virtualization example is illustrated in Fig. 1 b).In the system architecture diagram shown in Fig. 1 b
In, after the elastic telescopic device 101 of virtual resource determines the flexible strategy for the flexible group of target, can by flexible strategy and
Corresponding example specification is sent to example resource management platform 104, and example resource management platform 104 is according to flexible strategy and example
Specification is that the flexible group of target increases or decreases virtualization example.Further, example resource management platform 104 can be not only as
Centralized management platform shown in Fig. 1 b, it can also be a kind of distribution being distributed on each server of operation virtualization example
The management platform of formula.Execution method described in the embodiment of the present invention is exactly that one kind in system environments as shown in Figure 1 b is empty
Intend the automatic elastic telescopic method of resource, so that according to the extension and contraction control management of the elastic telescopic device 101 of virtual resource to stretching
The virtualization example of contracting group is adjusted.
Referring to Fig. 2, Fig. 2 is a kind of flow of the automatic elastic telescopic method of virtual resource provided in an embodiment of the present invention
Schematic diagram, this method go for the extension and contraction control of any flexible group of virtualization example, and for each flexible group
The extension and contraction control flow of virtualization example be all it is basically identical, therefore, in the embodiment of the present invention only with flexible group from
The automatic elastic telescopic method of the flexible group of dynamic elasticity telescopic method, i.e. target is described.It should be noted that the present invention is implemented
Method involved by example can be performed by the automatic elastic retractor device of virtual resource, and the automatic elastic of the virtual resource stretches
Device can be the electronic equipments such as server, PC or the software program operated on above electronic equipment.
Methods described includes：
Step S201, receive the monitoring alarm of at least one working index for the flexible group of target.
Working index is the work feelings of some example of the overall work situation or flexible group that can reflect flexible group
A series of achievement datas of condition, for example, working index can be the average CPU of all examples in flexible group (central processing unit,
Central Processing Unit) usage amount, internal memory usage amount, disk occupancy, disk read-write amount and network throughput
Etc.；Can also be CPU usage amounts, internal memory usage amount, disk occupancy, the disk read-write amount of some example in flexible group
And network throughput etc..That is, the working index of monitoring is the overall work index for flexible all examples of group
Or it is possible for the individual working index of each example of flexible group, is not especially limited here.
In the present embodiment, monitoring alarm can be sent in itself by the automatic elastic retractor device of virtual resource,
Can be that the automatic elastic of virtual resource is stretched after the automatic elastic retractor device transmission from other monitoring devices to virtual resource
What compression apparatus received.In specific implementation, the automatic elastic retractor device of virtual resource or other monitoring devices can be real-time
At least one working index of group flexible to target be monitored, and can respectively set and refer to for each work in advance
Target alarm conditions, alarm bar corresponding to the working index is met in the monitoring data for monitoring wherein some working index
During part, corresponding monitoring alarm is just triggered.For example, the internal memory usage amount of example in group of stretching can be supervised in real time
Control, if the internal memory usage amount for monitoring a certain example of flexible group accounts for the 60% of total memory size of the example, send
For the monitoring alarm of internal memory usage amount.Wherein, the particular type of monitoring alarm can comprise more than predetermined threshold value alarm and
Less than the alarm of predetermined threshold value, such as can be alarm or internal memory usage amount that internal memory usage amount exceedes certain threshold value
Less than the alarm of certain threshold value.
Step S202, according to the monitoring alarm, it is determined that the flexible strategy for the flexible group of the target.
Flexible strategy refers to adjustment plan of the automatic elastic retractor device to the virtualization example in group of stretching of virtual resource
Slightly, the example in the flexible group of increase can be included and reduce the example in flexible group.
After monitoring alarm is received, it is possible to determine specific flexible strategy according to monitoring alarm.Received for example, working as
Internal memory usage amount exceed the monitoring alarm of preset first threshold value, then the flexible strategy of the flexible group of target is assured that to increase
Add the example in the flexible group of target；Or when the monitoring alarm for receiving disk occupancy and being less than default Second Threshold, then mesh
The flexible strategy of the flexible group of mark is assured that to reduce the example in the flexible group of target；Or surpass when receiving CPU usage amounts
Cross the 3rd threshold value and internal memory usage amount more than the 4th threshold value monitoring alarm, then the flexible tactful can of the flexible group of target is true
The example being set in the flexible group of increase target.
Step S203, when the flexible strategy is increases example, the example specification of the flexible group of the target is obtained, it is described
Example specification is true for the statistical information of the monitoring data previously according at least one working index for the flexible group of the target
Surely obtain.
Step S204, the increase example request for carrying the example specification, the increasing are sent to example resource management platform
Example request is added to be used to indicate the example resource management platform according to the example specification, it is real for the flexible group increase of the target
Example.
Each example of flexible group is equipped with corresponding example specification, when flexible strategy is in the flexible group of increase target
Example when, can first obtain the example specification of the flexible group of target, be that the flexible group of target is newly-increased according to the example specification got
Example.It should be noted that in embodiments of the present invention, the example specification of the flexible group of target got is according to timing acquisition
The monitoring data statistical information that is calculated analytically to obtain of at least one working index of the flexible group of target determine.Its
In, statistical information can include the average of the monitoring data of at least one working index of the flexible group of the target, higher limit, under
It is at least one in the statistical parameters such as limit value, burst value and probability-distribution function.
That is, the automatic elastic retractor device of virtual resource can be according to the working index for the flexible group of target
Monitoring data, the example specification of the group flexible to target of timing are updated, when target stretch group need to increase example when, just with
Newest example specification configures newly-increased example after renewal.
In some implement scenes, the example rule of the flexible group of target of the automatic elastic retractor device memory storage of virtual resource
Lattice one and only one, be exactly the flexible group of target latest instance specification, i.e., the example specification of the flexible group of target is carried out every time
After more newly-generated newest example specification, newest example specification is just replaced into original example specification, then stretched in acquisition target
During the example specification of contracting group, directly example specification corresponding to the flexible group of lookup target can get the newest reality of the flexible group of target
Convention lattice, and the increase example request for carrying the example specification is sent to example resource management platform, so that example resource management
Platform is according to the example specification, for the flexible group increase example of target.
For example, setting target stretches newest example specification of the group after renewal as CPU frequency 2G, memory size 4GB, magnetic
Disk space 10M, network bandwidth 500Mb/s, then after example resource management platform gets the example specification, it is possible to be target
Flexible group increases the example of at least one example specification newly.
In other implement scenes, the example of the flexible group of target of the automatic elastic retractor device memory storage of virtual resource
Specification exist it is multiple, i.e., every time generation one new example specification after, just the example of generation is stored, is directed to so as to be formed
The example specification set of multiple example specifications of the flexible group of target, then, then can be with when obtaining the example specification of the flexible group of target
The example specification of creation time the latest in the example specification set of the flexible group of target is first searched, here the example of creation time the latest
Specification refers to most newly-established example specification in multiple example specifications, namely nearest apart from current time for obtaining example specification
Once update generated example specification.Sent after most to example resource management platform and carry the example rule of the creation time the latest
The increase example request of lattice, so that example specification of the example resource management platform according to the creation time the latest, stretches for target
Group increase example.
Further, the mode of the example specification of creation time the latest in the example specification set of the flexible group of target is searched,
Can be according to creation time corresponding with example specification or version number or other can show the priority of example specification generation
The mark of order determines, is not especially limited here.
For example, setting the flexible group of target has an example specification set, including three example specifications (with CPU frequency,
Exemplified by memory size and network bandwidth configuration), creation time corresponding to each example specification presence is exemplary, such as the institute of table 1
Show, it is 12 that the automatic elastic retractor device of virtual resource, which finds the time of creation time the latest,：15, corresponding example specification is
3rd group of example specification, then can be using the example specification as the flexible group increase example of target, i.e., current increased each example is
The specification that CPU frequency is 2G, memory size 4G, network bandwidth are 800Mb/s.
| Sequence number | Example specification | Creation time |
| 1 | CPU frequency 1G, memory size 2G, network bandwidth 500Mb/s | 10：15 |
| 2 | CPU frequency 3G, memory size 6G, network bandwidth 1Gb/s | 11：15 |
| 3 | CPU frequency 2G, memory size 4G, network bandwidth 800Mb/s | 12：15 |
Table 1：Example specification and creation time corresponding relation signal table (example)
Optionally, the embodiment of the present invention can further include：
Step S205, when the flexible strategy is reduces example, obtain the example specification of the flexible group of the target.
Step S206, the reduction example request for carrying the example specification, institute are sent to the example resource management platform
State and reduce example request for indicating that the example resource management platform according to the example specification, deletes the flexible group of the target
Multiple examples at least one example.
It is corresponding with step S203 and S204, in some implement scenes, in the automatic elastic retractor device of virtual resource
The example specification of the flexible group of the target of storage one and only one, be exactly the flexible group of target latest instance specification, then stretching
When contracting strategy is reduces example, the newest of the flexible group of target can be got by directly searching target example specification corresponding to group of stretching
Example specification, and the reduction example request for carrying the example specification is sent to example resource management platform, so that example resource pipe
Platform is according to the example specification, at least one example in multiple examples that flexible group of delete target.Specifically, example provides
Source capsule platform can retain the example that latest instance specification is configured in the flexible group of target, be selected in other remaining examples
It is at least one to be deleted；Can also be after other remaining examples be all deleted there is still a need for continuing to delete a number of example
When, then target stretched and the example of latest instance specification is configured in group carries out part deletion.
For example, it is CPU frequency 2G (with CPU frequency specification to set target newest example specification of the group after renewal of stretching
Exemplified by), the flexible group of target includes 4 examples, is example and 2 example specifications that 2 example specifications are CPU frequency 2G respectively
For CPU frequency 1G example.It is current according to the flexible group of target after example resource management platform receives the newest example specification
Example specification, if desired reduce 2 examples when, then can preferentially by 2 example specifications be CPU frequency 1G example delete；
, then can be after the example that 2 example specifications are CPU frequency 1G be deleted when if desired reducing by 3 examples, a then optional reality
The example that convention lattice are CPU frequency 2G is deleted.
In other implement scenes, the example of the flexible group of target of the automatic elastic retractor device memory storage of virtual resource
Specification exist it is multiple, and each example specification exist corresponding to creation time or creation time sequencing can be showed
Identify, then when flexible strategy is reduces example, the multiple example specifications that can first obtain in the flexible group of target correspond to respectively
Creation time or the mark of creation time sequencing can be showed, and then obtain multiple example specifications of the flexible group of target
The earliest example specification of middle creation time, the earliest example specification of creation time refers to here establishes at first in multiple example specifications
Example specification, namely apart from the current time for obtaining example specification it is farthest once update generated example specification.Finally
The reduction example request for carrying the earliest example specification of creation time is sent to example resource management platform, so that example resource pipe
Platform deletes the earliest example of creation time of at least one example specification in multiple examples of the flexible group of target.
For example, the example specification set existed in the automatic elastic retractor device of virtual resource for the flexible group of target is set,
Including three example specifications (by taking CPU frequency, memory size and network bandwidth configuration as an example), each example specification is present
Corresponding version identifier, the version identifier can represent digital bigger, the explanation of the tandem of creation time, i.e. version identifier
Creation time is more late, version identifier it is digital smaller, illustrate that creation time is more early.If target is stretched, group includes 4 examples, point
It is not that 2 example specifications are CPU frequency 2G, memory size 4G, network bandwidth 800Mb/s example and 2 example specifications are CPU
Dominant frequency 3G, memory size 6G, network bandwidth 1Gb/s example.Exemplary, as shown in table 2, the automatic elastic of virtual resource is stretched
Compression apparatus finds example specification CPU frequency 2G, memory size 4G, network bandwidth in 4 examples in the flexible group of target
Version identifier corresponding to 800Mb/s is 3, example specification CPU frequency 3G, memory size 6G, version corresponding to network bandwidth 1Gb/s
2 are identified as, i.e., what version identifier was minimum in 4 examples in the flexible group of target is 2, then the automatic elastic of virtual resource stretches
Example specification corresponding to version identifier 2 (CPU frequency 3G, memory size 6G, network bandwidth 1Gb/s) can be sent to reality by device
Example resource management platform, after example resource management platform receives the newest example specification, when if desired reducing by 1 example,
It is CPU frequency 3G that an example specification, which can then be deleted, memory size 6G, network bandwidth 1Gb/s example.
| Sequence number | Example specification | Version identifier |
| 1 | CPU frequency 1G, memory size 2G, network bandwidth 500Mb/s | 1 |
| 2 | CPU frequency 3G, memory size 6G, network bandwidth 1Gb/s | 2 |
| 3 | CPU frequency 2G, memory size 4G, network bandwidth 800Mb/s | 3 |
Table 2：Example specification and version identifier corresponding relation signal table (example)
In the embodiment shown in Figure 2, the automatic elastic retractor device of virtual resource is received for the flexible group of target
After the monitoring alarm of at least one working index is according to monitoring alarm, the flexible strategy for the flexible group of target is determined that, is being stretched
When contracting strategy is defined as increasing the situation of example, the monitoring number of at least one working index previously according to the flexible group of target is obtained
According to statistical information determine obtained example specification, stretched finally by example resource management platform using the example specification as target
The newly-increased example of group is configured.That is, the automatic elastic retractor device of virtual resource increases the example specification of example newly, it is
The loading condition reflected according to flexible group of working index is updated, when thus can avoid fixing example specification
The problem of caused example specification initial configuration difficulty, resource allocation precision and the utilization of resources of flexible group example can be lifted
Rate, while it is also ensured that flexible group is stablized relatively.
Before the embodiment shown in Fig. 2, the prison of at least one working index for the flexible group of target is obtained in advance
Data are controlled, and corresponding statistical information is obtained after carrying out statistical analysis to above-mentioned monitoring data, finally determine newest example rule
Lattice.Therefore, the automatic elastic retractor device of virtual resource is further described to example specification by the embodiment shown in Fig. 3
Renewal process.It should be noted that the update method of the embodiment of the present invention can carry out circulation execution, due to the calculation updated every time
Method is consistent with process, therefore only the process once updated is described here.
Referring to Fig. 3, the flow that Fig. 3 is a kind of update method of flexible group of example specification provided in an embodiment of the present invention is shown
It is intended to, methods described includes：
Step S301, obtain the monitoring data of at least one working index for the flexible group of the target.
As above described in an embodiment, working index is the overall work situation that can reflect flexible group or flexible group
A series of achievement datas of the working condition of some example, put down for example, working index can be all examples in flexible group
Equal CPU usage amounts, internal memory usage amount, disk occupancy, disk read-write amount and network throughput etc.；Can also be flexible
CPU usage amounts, internal memory usage amount, disk occupancy, disk read-write amount and network throughput of some example in group etc.
Deng.It is considered that the automatic elastic retractor device of virtual resource in the working index of the flexible group of monitoring objective, is pair of timing
Monitoring data corresponding to each working index is acquired, and each sampling time point corresponds to a monitoring data.And to target
When the monitoring data of at least one working index of flexible group carries out statistical analysis, a measurement period can be preset, then obtain
The monitoring data in a measurement period is taken, exactly obtains each sampling time point institute in time span corresponding to measurement period
The monitoring data of collection.
If for example, setting measurement period as 1 hour, the monitoring data every 1 minute working index to the flexible group of target is entered
Row once samples, then the monitoring data of 59 groups of samplings in a measurement period be present, then the automatic elastic of virtual resource is stretched
Compression apparatus can obtain the monitoring data of 59 groups of samplings of collection in the measurement period.
Step S302, according to the monitoring data of at least one working index for the flexible group of the target, it is determined that being directed to
The statistical information of the monitoring data of at least one working index of the flexible group of the target.
Statistical information is the statistics that the multiple monitoring datas that will be got are calculated according to mathematical statistics method, tool
Body can include but is not limited to the average value of multiple monitoring datas of at least one working index of the flexible group of target, higher limit,
Lower limit, burst value, probability-distribution function or joint probability distribution function.
For example, the automatic elastic retractor device of virtual resource has been got in 60 of timing acquiring in a cycle
The monitoring data of usage amount is deposited, then the monitoring number of this 60 internal memory usage amounts can be calculated according to the data calculation formula of average value
According to average value；Internal memory maximum in monitoring data can also be used to numerical quantity as higher limit, minimum internal memory usage amount
Numerical value is as lower limit；It can also will be higher than a number of monitoring data of average value in monitoring data as burst value；May be used also
The probability-distribution function of this 60 internal memory usage amounts is calculated with the formula of mathematical by probability-distribution function.
Wherein, when calculating weighted average, the automatic elastic retractor device of virtual resource can be to each monitoring data
Identical weight is all distributed, the time tandem distribution of multiple sampling time points when can also be according to timing acquiring monitoring data
The weighted value of multiple monitoring datas.For example, the time of sampling time point is more late, i.e., got over from the time of currently carrying out statistical analysis
Closely, then the weighted value distributed is higher, and the weighted value conversely then distributed is lower.
Further, there can also be the distribution of a variety of weight proportions, for example, the first weight distribution ratio can be first
The weight of individual sampled point is 0.1, and the weight of second sampled point is 0.2, and the weight of the 3rd sampled point is 0.3, by that analogy；
Second of weight distribution ratio can be that the weight of first sampled point is 0.1, and the weight of second sampled point is the 0.5, the 3rd
The weight of individual sampled point is 1, by that analogy.As can be seen that the first weight distribution ratio desirably gets a kind of compare
Average average statistical information, and second of weight distribution ratio then it is expected to get it is a kind of later closer to sampling time point,
Average statistical information i.e. nearer from current time.
Further, the automatic elastic retractor device of virtual resource not only can only count the prison for a working index
The statistical information of data is controlled, joint statistics can also be carried out to the monitoring data of multiple working indexs, for example, CPU can be calculated
The joint probability distribution function of usage amount and internal memory usage amount.
In the present embodiment, the statistical information corresponding to the monitoring data of each working index can be the same, can also
It is different, is not especially limited here.For example, for according to experiment experience, if the average value of CPU usage amounts is more accurate
Really, then the average value of CPU usage amounts can be calculated, if configuration of the burst value of network throughput to example specification more has reference
Value, then can be with the burst value of calculating network handling capacity.
Step S303, the statistical information for the monitoring data of at least one working index of group of being stretched according to the target, really
The example specification of the fixed flexible group of the target.
The flexible group of the target in a measurement period has been calculated extremely in the automatic elastic retractor device of virtual resource
After the statistical information of the monitoring data of a few working index, the prison that disclosure satisfy that these working indexs may further determine that out
Control the example specification of the statistical information of data.
For example, if the average for the network throughput being calculated is 500Mb/s, then can determine that one disclosure satisfy that this
In measurement period network bandwidth is directed in example specification of the network bandwidth data of network throughput average as the flexible group of target
Specification, for example, the network bandwidth in example specification can be set as into 1Gb/s.
In another example if the higher limit for the internal memory usage amount being calculated is 3G, then can determine that one disclosure satisfy that this
The memory size data of internal memory usage amount higher limit are as big for internal memory in the example specification of the flexible group of target in measurement period
Small specification, for example, the memory size in example specification can be set as into 3G.
It is further alternative, there can be many according to example specification determined by statistical information obtained above,
For example, meet that the memory size that internal memory usage amount higher limit is 3G can be set as 3G or 4G etc..Therefore, one
, can be according to the statistics in different demands a variety of statistical informations corresponding to each working index in a little implement scenes
Different example specification hierarchical policys is set, what the example specification obtained corresponding to different hierarchical policys can be in various degree expires
Sufficient statistical information.
For example, if the average of the CPU usage amounts in statistical information is 2G, advised for the example of CPU usage amount averages
Lattice hierarchical policy has three kinds, and the first is the CPU usage amount averages that example specification disclosure satisfy that 50%, and second is example specification
100% CPU usage amount averages are disclosure satisfy that, the third is the CPU usage amount averages that example specification disclosure satisfy that 200%.It is empty
A kind of hierarchical policy can be selected according to current demand by intending the automatic elastic retractor device of resource, if such as selecting the first point
Level strategy, then CPU frequency in example specification can be set as to 1G, i.e. the CPU usage amounts that the statistics of satisfaction 50% obtains are equal
Value；If select the third rank, then CPU frequency in example specification can be set as to 4G, that is, meet that 200% statistics obtains
CPU usage amount averages.
In another example if the joint probability distribution of the CPU usage amounts and internal memory usage amount in statistical information reflects：CPU makes
Dosage is less than 1G and probability of the internal memory usage amount less than 2G is less than 2G for 40%, CPU usage amounts and internal memory usage amount is less than 4G's
Probability is that 60%, CPU usage amounts are less than 3G and probability of the internal memory usage amount less than 6G is 80%.So for CPU usage amounts and
The example specification hierarchical policy of internal memory usage amount joint probability distribution can also have three kinds, respectively disclosure satisfy that 40% CPU
Usage amount and internal memory usage amount, the CPU usage amounts that disclosure satisfy that 60% and internal memory usage amount and it disclosure satisfy that 80% CPU makes
The example specification hierarchical policy of dosage and internal memory usage amount.If select the first example specification hierarchical policy, then can incite somebody to action
CPU frequency is set as 1G, and memory size is arranged to 2G, that is, meets 40% CPU usage amounts and internal memory usage amount；If selection the
Two kinds of example specification hierarchical policys, then CPU frequency can be set as to 2G, memory size is arranged to 4G, that is, meets 60%
CPU usage amounts and internal memory usage amount.
Further, it is necessary to newest reality to generation after the flexible group example specification of current newest target is determined
Convention lattice are stored, and specific storage mode can be described in step S304 or step S305 and S306
Described in.The automatic elastic of virtual resource stretches in embodiment shown in the then corresponding respectively Fig. 2 of both storage modes
Device obtains the two ways of the flexible group example specification of target when increasing or decreasing example.
Step S304, the example specification of the flexible group of the target for determining to obtain is covered into the original of the flexible group of the target
Example specification.
Original example specification can assemble the initial case specification put or virtual resource for target is flexible
The reality that automatic elastic retractor device updates in previous measurement period according to the statistical information of the monitoring data of the flexible group of target
Convention lattice.In some implement scenes, after example specification newest corresponding to current measurement period is determined, it is possible to will
Original example specification that the newest example specification for the flexible group of target for currently determining to obtain replaces the flexible group of target is stored.
That is, the latest instance specification of the flexible group of a target is only stored in the automatic elastic retractor device of virtual resource.
Step S305, obtain the creation time of the example specification of the flexible group of the target for determining to obtain.
Step S306, the creation time is stretched with the target, and the example specification organized is corresponding to be stored to default described
In the example specification set of the flexible group of target, the example specification set of the flexible group of the target is included corresponding to multiple creation times
The example specification of the flexible group of the target.
In some implement scenes, after the example specification of the flexible group of target is determined, it is possible to record the example specification
In configuration, that is, generate an example specification version or document, can now record the example specification creation time or
Person records the mark that can show creation time sequencing.When storage, it is possible to which example specification is corresponding
Creation time shows the example specification that the flexible group of default target is stored in corresponding to the mark of creation time sequencing
Set, target can be included in the example specification set and is stretched the example specification that is updated in each measurement period before of group and right
The creation time answered.That is, by the example specification set of the flexible group of target come preserve the flexible group of target each time more
New example specification and corresponding creation time.
In the embodiment shown in fig. 3, the automatic elastic retractor device of virtual resource stretches group extremely according to for target
The monitoring data of a few working index, determines statistical information, further according to statistical information, is determined to meet the statistical information
The example specification of the flexible group of target.That is, the automatic elastic retractor device of virtual resource refers to the work of the flexible group of target
Target monitoring data obtains the statistical information that can reflect the loading demand of the flexible group of target after statistical analysis, so as to
The example specification for the group that can be stretched according to the more fresh target of the loading demand timing of the flexible group of target, when avoiding fixing example specification
The problem of caused example specification initial configuration difficulty.
Referring to Fig. 4, Fig. 4 is a kind of composition of the automatic elastic retractor device of virtual resource provided in an embodiment of the present invention
Structural representation.As shown in figure 4, the device includes：Receiving module 41, processing module 42 and sending module 43, wherein, such as scheme
Shown in 5, processing module 42 can include：Tactful determining module 421, example specification acquisition module 422, the monitoring data of stretching obtain
Module 423, statistical information determining module 424, example specification determining module 425, the first memory module 426, creation time obtain
The memory module 428 of module 427 and second, specifically：
Receiving module 41, for receiving the monitoring alarm of at least one working index for the flexible group of target；
Processing module 42 includes：
Stretch tactful determining module 421, for according to the monitoring alarm, it is determined that for the flexible of the flexible group of the target
Strategy；
Example specification acquisition module 422, for when the flexible strategy is increases example, obtaining the flexible group of the target
Example specification, the example specification is the monitoring number previously according at least one working index for the flexible group of the target
According to statistical information determine what is obtained；
Sending module 43, the increase example request of the example specification is carried for being sent to example resource management platform,
The increase example request is used to indicate the example resource management platform according to the example specification, for the flexible group of the target
Increase example.
Optionally, the example specification of the flexible group of the target is present multiple；
The example specification acquisition module 422 is specifically used for：Obtain and created in multiple example specifications of the flexible group of the target
Build the example specification of time the latest；
Sending module 43 is specifically used for：Sent to the example resource management platform and carry the reality of the creation time the latest
The increase example request of convention lattice, the increase example request are used to indicate the example resource management platform according to the establishment
The example specification of time the latest, for the flexible group increase example of the target.
Optionally, the processing module 42 also includes：
Monitoring data acquisition module 423, for obtaining the prison of at least one working index for the flexible group of the target
Control data；
Statistical information determining module 424, for the prison according at least one working index for the flexible group of the target
Data are controlled, it is determined that the statistical information of the monitoring data at least one working index of the flexible group of the target；
Example specification determining module 425, the monitoring number at least one working index according to the flexible group of the target
According to statistical information, determine the example specification of the flexible group of the target.
Optionally, the monitoring data includes multiple monitoring datas in the collection of multiple sampling time points；
The statistical information determining module 424 is specifically used for：
According to the time tandem of the multiple sampling time point, determine corresponding to the multiple sampling time point difference
The weighted value of multiple monitoring datas；
It is corresponding with reference to the multiple monitoring data according to multiple monitoring datas corresponding to the multiple sampling time point difference
Weighted value, calculate the statistical information of the monitoring data of at least one working index for the flexible group of the target.
Optionally, the statistical information of the monitoring data of at least one working index is respectively present corresponding example specification
Hierarchical policy；
The example specification determining module 425 is specifically used for：
Obtain example rule corresponding to the statistical information of the monitoring data of at least one working index of the flexible group of the target
Lattice hierarchical policy；
According to the statistical information of the monitoring data of at least one working index of the flexible group of the target, with reference to it is described at least
Example specification hierarchical policy corresponding to the statistical information of the monitoring data of one working index, determine the reality of the flexible group of the target
Convention lattice.
Optionally, the processing module 42 also includes：
First memory module 426, for the example specification of the flexible group of the target for determining to obtain to be covered into the target
Original example specification of flexible group.
Optionally, the processing module 42 also includes：
Creation time acquisition module 427, obtain the creation time of the example specification of the flexible group of the target for determining to obtain；
Second memory module 428, for storing the example specification of the flexible group of the creation time and the target is corresponding
Into the example specification set of the flexible group of the default target, the example specification set of the flexible group of the target includes multiple wounds
Build the example specification of the flexible group of the target corresponding to the time.
Optionally, the example specification acquisition module 422 is additionally operable to：
When the flexible strategy is reduces example, the example specification of the flexible group of the target is obtained；
The sending module 43 is additionally operable to：The reduction for carrying the example specification is sent to the example resource management platform
Example request, the reduction example request are used to indicate that the example resource management platform according to the example specification, deletes institute
State at least one example in multiple examples of the flexible group of target.
Optionally, the example specification of the flexible group of the target is present multiple；
The example specification acquisition module 422 is specifically used for：Obtain and created in multiple example specifications of the flexible group of the target
Build time earliest example specification；
The sending module 43 is specifically used for：It is earliest that the carrying creation time is sent to the example resource management platform
Example specification reduction example request, it is described reduction example request be used for indicate the example resource management platform in the mesh
The earliest example of the creation time of at least one example specification is deleted in multiple examples of the flexible group of mark.
In embodiments of the present invention, the automatic elastic retractor device of virtual resource is received for the flexible group of target at least
After the monitoring alarm of one working index is according to monitoring alarm, the flexible strategy for the flexible group of target is determined that, in flexible plan
When being slightly defined as increasing the situation of example, the monitoring data of at least one working index previously according to the flexible group of target is obtained
Statistical information determines obtained example specification, new as the flexible group of target using the example specification finally by example resource management platform
The example of increasing is configured.That is, the automatic elastic retractor device of virtual resource increases the example specification of example newly, it is basis
The loading condition that the working index of flexible group is reflected can thus avoid being made when fixing example specification come what is be updated
Into example specification initial configuration difficulty the problem of, the resource allocation precision and resource utilization of flexible group example can be lifted, together
When it is also ensured that flexible group it is relatively stable.
Fig. 6 is the composition structural representation of the automatic elastic retractor device of another virtual resource provided in an embodiment of the present invention
Figure.As shown in fig. 6, the device includes processor 61, memory 62 and communication interface 63.Processor 61 is connected to memory 62
Memory 62 and communication interface 63 can be connected to by bus with communication interface 63, such as processor 61.The device is in reality
It can be the server for realizing elastic telescopic function in scene.
Processor 61 is configured as supporting the automatic elastic retractor device of the virtual resource to perform in the above method accordingly
Function.The processor 61 can be central processing unit (English：Central processing unit, CPU), network processes
Device (English：Network processor, NP), hardware chip or its any combination.Above-mentioned hardware chip can be special collection
Into circuit (English：Application-specific integrated circuit, ASIC), PLD (English
Text：Programmable logic device, PLD) or its combination.Above-mentioned PLD can be CPLD (English
Text：Complex programmable logic device, CPLD), field programmable gate array (English：field-
Programmable gate array, FPGA), GAL (English：Generic array logic, GAL) or its
Any combination.
The memory of memory 62 is used to store example specification and program code of the flexible group of target etc..Memory 62 can be with
Including volatile memory (English：Volatile memory), such as random access memory (English：random access
Memory, abbreviation：RAM)；Memory 62 can also include nonvolatile memory (English：Non-volatile memory),
Such as read-only storage (English：Read-only memory, abbreviation：ROM), flash memory (English：Flash memory),
Hard disk (English：Hard disk drive, abbreviation：HDD) or solid state hard disc is (English：Solid-state drive, abbreviation：
SSD)；Memory 62 can also include the combination of the memory of mentioned kind.
Communication interface 63 is used for and other equipment wireless connection, such as monitoring device, example resource management platform.
Processor 61 can call described program code to perform following operation：
The monitoring alarm of at least one working index for the flexible group of target is received by communication interface 63；According to described
Monitoring alarm, it is determined that the flexible strategy for the flexible group of the target；When the flexible strategy is increases example, described in acquisition
The example specification of the flexible group of target, the example specification are to refer to previously according at least one work for the flexible group of the target
The statistical information of target monitoring data determines what is obtained；Sent by communication interface 63 to example resource management platform described in carrying
The increase example request of example specification, the increase example request are used to indicate the example resource management platform according to the reality
Convention lattice, for the flexible group increase example of the target.
Optionally, before processor 61 obtains the example specification of the flexible group of the target, first obtain and stretched for the target
The monitoring data of at least one working index of contracting group；According to the prison of at least one working index for the flexible group of the target
Data are controlled, it is determined that the statistical information of the monitoring data at least one working index of the flexible group of the target；According to described
The statistical information of the monitoring data of at least one working index of the flexible group of target, determine the example rule of the flexible group of the target
Lattice.
Optionally, after processor 61 determines the example specification of the flexible group of the target, the obtained target will be determined
The example specification of flexible group covers original example specification of the flexible group of the target.
Optionally, after processor 61 determines the example specification of the flexible group of the target, the mesh for determining to obtain is obtained
The creation time of the example specification of the flexible group of mark；By creation time storage corresponding with the example specification of the flexible group of the target
Into the example specification set of the flexible group of the default target, the example specification set of the flexible group of the target includes multiple wounds
Build the example specification of the flexible group of the target corresponding to the time.
Optionally, the monitoring data includes multiple monitoring datas in the collection of multiple sampling time points；When basis is directed to
The monitoring data of at least one working index of the flexible group of the target, it is determined that at least one work for the flexible group of the target
When making the statistical information of the monitoring data of index, processor 61 is according to the time tandem of the multiple sampling time point, really
The weighted value of multiple monitoring datas corresponding to fixed the multiple sampling time point difference；Distinguished according to the multiple sampling time point
Corresponding multiple monitoring datas, the weighted value with reference to corresponding to the multiple monitoring data, calculate for the flexible group of the target
The statistical information of the monitoring data of at least one working index.
Optionally, the statistical information of the monitoring data of at least one working index is respectively present corresponding example specification
Hierarchical policy；When the statistical information of the monitoring data of at least one working index according to the flexible group of the target, it is determined that described
During the example specification of the flexible group of target, processor 61 obtains the monitoring data of at least one working index of the flexible group of the target
Statistical information corresponding to example specification hierarchical policy；According to the monitoring number of at least one working index of the flexible group of the target
According to statistical information, with reference to corresponding to the statistical information of the monitoring data of at least one working index example specification be classified plan
Slightly, the example specification of the flexible group of the target is determined.
Optionally, the example specification of the flexible group of the target is present multiple；When the example rule for obtaining the flexible group of the target
During lattice, processor 61 obtains the example specification of creation time the latest in the flexible multiple example specifications organized of the target；By logical
Believe that the increase example of the example specification of interface 63 to the example resource management platform transmission carrying creation time the latest please
Ask, the increase example request is used to indicate that the example resource management platform is advised according to the example of the creation time the latest
Lattice, for the flexible group increase example of the target.
Optionally, when the flexible strategy is reduces example, processor 61 also obtains the example of the flexible group of the target
Specification；The reduction example request for carrying the example specification is sent to the example resource management platform by communication interface 63,
The reduction example request is used to indicate that the example resource management platform according to the example specification, is deleted the target and stretched
At least one example in multiple examples of group.
Optionally, the example specification of the flexible group of the target is present multiple；When the example rule for obtaining the flexible group of the target
During lattice, processor 61 obtains the example specification that creation time is earliest in the flexible multiple example specifications organized of the target；By logical
Believe that interface 63 please to the reduction example of the earliest example specification of the example resource management platform transmission carrying creation time
Ask, the example request that reduces is used to indicate that the example resource management platform is deleted in multiple examples of the flexible group of the target
Except the earliest example of the creation time of at least one example specification.
One of ordinary skill in the art will appreciate that realize all or part of flow in above-described embodiment method, being can be with
The hardware of correlation is instructed to complete by computer program, described program can be stored in a computer read/write memory medium
In, the program is upon execution, it may include such as the flow of the embodiment of above-mentioned each method.Wherein, described storage medium can be magnetic
Dish, CD, read-only memory (Read-Only Memory, ROM) or random access memory (Random Access
Memory, RAM) etc..
Above disclosure is only preferred embodiment of present invention, can not limit the right model of the present invention with this certainly
Enclose, therefore the equivalent variations made according to the claims in the present invention, still belong to the scope that the present invention is covered.
Claims (19)
1. the automatic elastic telescopic method of a kind of virtual resource, it is characterised in that methods described includes：
Receive the monitoring alarm of at least one working index for the flexible group of target；
According to the monitoring alarm, it is determined that the flexible strategy for the flexible group of the target；
When the flexible strategy is increases example, the example specification of the flexible group of the target is obtained, the example specification is pre-
First determine what is obtained according to the statistical information of the monitoring data of at least one working index for the flexible group of the target；
The increase example request for carrying the example specification is sent to example resource management platform, the increase example request is used for
The example resource management platform is indicated according to the example specification, for the flexible group increase example of the target.
2. the method as described in claim 1, it is characterised in that before the example specification for obtaining the flexible group of the target,
Also include：
Obtain the monitoring data of at least one working index for the flexible group of the target；
According to the monitoring data of at least one working index for the flexible group of the target, it is determined that for the flexible group of the target
At least one working index monitoring data statistical information；
According to the statistical information of the monitoring data of at least one working index of the flexible group of the target, determine that the target is stretched
The example specification of group.
3. method as claimed in claim 2, it is characterised in that after the example specification for determining the flexible group of the target,
Also include：
The example specification of the flexible group of the target for determining to obtain is covered to original example specification of the flexible group of the target.
4. method as claimed in claim 2, it is characterised in that after the example specification for determining the flexible group of the target,
Also include：
Obtain the creation time of the example specification of the flexible group of the target for determining to obtain；
The example specification organized that the creation time is stretched with the target is corresponding to be stored to the flexible group of the default target
In example specification set, the example specification set of the flexible group of the target is stretched including the target corresponding to multiple creation times
The example specification of group.
5. method as claimed in claim 2, it is characterised in that the monitoring data is included in the collection of multiple sampling time points
Multiple monitoring datas；
The basis is directed to the monitoring data of at least one working index of the flexible group of the target, it is determined that being stretched for the target
The statistical information of the monitoring data of at least one working index of contracting group includes：
According to the time tandem of the multiple sampling time point, determine multiple corresponding to the multiple sampling time point difference
The weighted value of monitoring data；
According to multiple monitoring datas corresponding to the multiple sampling time point difference, the power with reference to corresponding to the multiple monitoring data
Weight values, calculate the statistical information of the monitoring data at least one working index for being directed to the flexible group of the target.
6. method as claimed in claim 2, it is characterised in that the statistics letter of the monitoring data of at least one working index
Breath is respectively present corresponding example specification hierarchical policy；
The statistical information of the monitoring data of at least one working index according to the flexible group of the target, determines the target
The example specification of flexible group includes：
Obtain example specification point corresponding to the statistical information of the monitoring data of at least one working index of the flexible group of the target
Level strategy；
According to the statistical information of the monitoring data of at least one working index of the flexible group of the target, with reference to described at least one
Example specification hierarchical policy corresponding to the statistical information of the monitoring data of working index, determine the example rule of the flexible group of the target
Lattice.
7. the method as described in claim 1, it is characterised in that the example specification of the flexible group of the target exists multiple；
The example specification for obtaining the flexible group of the target includes：
Obtain the example specification of creation time the latest in multiple example specifications of the flexible group of the target；
The increase example request that the carrying example specification is sent to example resource management platform includes：
The increase example request for carrying the example specification of the creation time the latest, institute are sent to the example resource management platform
State increase example request to be used to indicate the example specification of the example resource management platform according to the creation time the latest, for institute
State the flexible group increase example of target.
8. the method as described in claim 1, it is characterised in that methods described also includes：
When the flexible strategy is reduces example, the example specification of the flexible group of the target is obtained；
The reduction example request for carrying the example specification, the reduction example request are sent to the example resource management platform
For indicating the example resource management platform according to the example specification, in the multiple examples for deleting the flexible group of the target
At least one example.
9. method as claimed in claim 8, it is characterised in that the example specification of the flexible group of the target exists multiple；
The example specification for obtaining the flexible group of the target includes：
Obtain the example specification that creation time is earliest in multiple example specifications of the flexible group of the target；
The reduction example request that the carrying example specification is sent to the example resource management platform includes：
The reduction example request for carrying the earliest example specification of the creation time, institute are sent to the example resource management platform
State reduce example request be used to indicating the example resource management platform deleted in multiple examples of the flexible group of the target to
The earliest example of the creation time of an example specification less.
10. the automatic elastic retractor device of a kind of virtual resource, it is characterised in that described device includes：
Receiving module, for receiving the monitoring alarm of at least one working index for the flexible group of target；
Processing module, for according to the monitoring alarm, it is determined that the flexible strategy for the flexible group of the target；
The processing module is additionally operable to：
When the flexible strategy is increases example, the example specification of the flexible group of the target is obtained, the example specification is pre-
First determine what is obtained according to the statistical information of the monitoring data of at least one working index for the flexible group of the target；
Sending module, the increase example request of the example specification, the increasing are carried for being sent to example resource management platform
Example request is added to be used to indicate the example resource management platform according to the example specification, it is real for the flexible group increase of the target
Example.
11. device as claimed in claim 10, it is characterised in that the processing module is additionally operable to：
Obtain the monitoring data of at least one working index for the flexible group of the target；
According to the monitoring data of at least one working index for the flexible group of the target, it is determined that for the flexible group of the target
At least one working index monitoring data statistical information；
According to the statistical information of the monitoring data of at least one working index of the flexible group of the target, determine that the target is stretched
The example specification of group.
12. device as claimed in claim 11, it is characterised in that the processing module is additionally operable to：
The example specification of the flexible group of the target for determining to obtain is covered to original example specification of the flexible group of the target.
13. device as claimed in claim 11, it is characterised in that the processing module is additionally operable to：
Obtain the creation time of the example specification of the flexible group of the target for determining to obtain；
The example specification organized that the creation time is stretched with the target is corresponding to be stored to the flexible group of the default target
In example specification set, the example specification set of the flexible group of the target is stretched including the target corresponding to multiple creation times
The example specification of group.
14. device as claimed in claim 11, it is characterised in that the monitoring data includes gathering in multiple sampling time points
Multiple monitoring datas；
The processing module is additionally operable to：
According to the time tandem of the multiple sampling time point, determine multiple corresponding to the multiple sampling time point difference
The weighted value of monitoring data；
According to multiple monitoring datas corresponding to the multiple sampling time point difference, the power with reference to corresponding to the multiple monitoring data
Weight values, calculate the statistical information of the monitoring data at least one working index for being directed to the flexible group of the target.
15. device as claimed in claim 11, it is characterised in that the statistics of the monitoring data of at least one working index
Information is respectively present corresponding example specification hierarchical policy；
The processing module is additionally operable to：
Obtain example specification point corresponding to the statistical information of the monitoring data of at least one working index of the flexible group of the target
Level strategy；
According to the statistical information of the monitoring data of at least one working index of the flexible group of the target, with reference to described at least one
Example specification hierarchical policy corresponding to the statistical information of the monitoring data of working index, determine the example rule of the flexible group of the target
Lattice.
16. device as claimed in claim 10, it is characterised in that the example specification of the flexible group of the target exists multiple；
The processing module is additionally operable to：Obtain the example rule of creation time the latest in multiple example specifications of the flexible group of the target
Lattice；
The sending module is additionally operable to：Sent to the example resource management platform and carry the example rule of the creation time the latest
The increase example request of lattice, the increase example request are used to indicate the example resource management platform according to the creation time
Example specification the latest, for the flexible group increase example of the target.
17. device as claimed in claim 10, it is characterised in that
The processing module is additionally operable to：When the flexible strategy is reduces example, the example rule of the flexible group of the target are obtained
Lattice；
The sending module is additionally operable to：The reduction example that the carrying example specification is sent to the example resource management platform please
Ask, the reduction example request is used to indicate that the example resource management platform according to the example specification, deletes the target
At least one example in multiple examples of flexible group.
18. device as claimed in claim 17, it is characterised in that the example specification of the flexible group of the target exists multiple；
The processing module is additionally operable to：Obtain the earliest example rule of creation time in multiple example specifications of the flexible group of the target
Lattice；
The sending module is additionally operable to：Sent to the example resource management platform and carry the earliest example rule of the creation time
The reduction example request of lattice, the reduction example request are used to indicate the example resource management platform in the flexible group of the target
Multiple examples in delete the earliest example of creation time of at least one example specification.
A kind of 19. automatic elastic retractor device of virtual resource, it is characterised in that described device include processor, memory with
And communication interface, the memory are used for store program codes, the processor calls the program generation stored in the memory
Code perform claim requires 1 to any described method of claim 9.
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