CN106406950A - An installation adjusting calculation method and an installation adjusting method for example system applications - Google Patents
An installation adjusting calculation method and an installation adjusting method for example system applications Download PDFInfo
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- CN106406950A CN106406950A CN201610832134.9A CN201610832134A CN106406950A CN 106406950 A CN106406950 A CN 106406950A CN 201610832134 A CN201610832134 A CN 201610832134A CN 106406950 A CN106406950 A CN 106406950A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/445—Program loading or initiating
- G06F9/44521—Dynamic linking or loading; Link editing at or after load time, e.g. Java class loading
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/445—Program loading or initiating
- G06F9/44594—Unloading
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Abstract
The invention provides an installation adjusting calculation method and an installation adjusting method for example system applications. According to the invention, the adjustment of application installation strategies in a cloud system can be completed in a short time; the total number of times of application installation and uninstallation can be extremely close to a theoretical minimum, even reaching the theoretical minimum; at the same time, it is guaranteed that the number of applications installed in each example system actually is identical to or extremely close to the optimal value.
Description
Technical field
The present invention relates to the mounting and adjusting of instance system application calculates and installation adjusting method.
Background technology
Certain operating system (such as Android operation system) adds that the necessary hardware running needed for this operating system (is for example located
Reason device, memorizer etc.), an instance system can be considered as, (application refers in reality can to run various applications in instance system
The software running in the operating system of example system or program).Several instance systems (are for example divided according to certain framework mode
Cloth) centralized management, cloud system can be formed.Generally cloud system, by the daily operation of operator, provides the user service.With
Family can run certain application on the instance system of cloud system, game etc. is needed to the application of higher hardware configuration support,
User's selection runs very universal on the instance system rather than local device of cloud system.
If the memory space of instance system is sufficiently large, the application that all users may need can be disposably installed, after
Continuous naturally do not need any adjustment.But the memory space of the instance system having in practice is less, each instance system can only be pacified
The application that dress certain customers may need, operator needs using certain mounting strategy, by application peace more for user's request
It is contained on greater number of instance system, the less application of user's request is arranged on small number of instance system.In cloud system
During the operation of system, the mounting strategy of application is often adjusted.
The mounting strategy of adjustment application, simplest method is first all applications on all instance systems all to be unloaded
Fall, reinstall application according still further to the mounting strategy after adjustment on all instance systems.It will be clear that the time that do so consumes
Very many, and the same invalid behaviour that applied on same instance system elder generation unloaded later and be mounted often occurs
Make.Using the method such as iterate, it is possible to reduce some time loss, but invalid operation can not be avoided well.
In description " background technology " part disclosure, contribute to the technology skilled artisan understands that the present invention
Scheme, but should not think that these contents necessarily belong to prior art or common knowledge accordingly.
Content of the invention
For the defect overcoming " background technology " part to be reflected, the present invention provides the mounting and adjusting meter of instance system application
Calculate and installation adjusting method.
The mounting and adjusting computational methods of instance system application, including：
The plan calculating each application is installed number and is installed the difference of number；
Travel through the application that all differences are not zero, difference is adjusted to zero, the method that difference is adjusted to zero is：
If the difference of certain application is just, travel through all instance systems that can install this application, if certain instance system
On to there is difference be negative application, then the application being negative by difference replaces with this application；If all realities that can install this application
It is negative application that example system does not have difference, then on installing the minimum instance system that can install this application of number of applications
Increase this application；
If the difference of certain application is negative, travel through all instance systems having installed this application, if certain instance system
It is positive application that difference can be installed, then this application being replaced with difference is positive application；It is positive application if there is no difference
Or it is positive application that all instance systems having installed this application all can not install difference, then to install number of applications most
Install this application deleted on the instance system of this application.
Further, each instance system set application install number asOrWherein M is all answering
Number is installed in total expectation, and N is the sum of instance system, and F is variable element.Symbol [x) represents whole more than or equal to the minimum of x
Number, and symbol (x] represent less than or the maximum integer equal to x.If x is integer, [x)=(x]=x；If x is not integer,
Then [x) and (x] is the two ends of x and the immediate integer of x on real number axis.
If after the application difference that all differences are not zero is adjusted to zero, the practical application having instance system is installed number and is not inconsistent
Close and set application installation number, then pass through the practical application installation number of transfer application adjustment different instances system, described transfer should
Deleted and increase on other instance systems can install this application on former instance system with referring to apply.
Further, described transfer application is preferential to shift new opplication.
Further, if the larger practical application leading to certain embodiments system of memory space taking after application installation
Installation number does not meet setting and applies installation number, then practical application installation number does not meet the instance system of setting application installation number
Quantity reduces to minimum.
The installation adjusting method of instance system application, including：
The all related instance systems of result of calculation traversal of the mounting and adjusting computational methods according to instance system application,
Install on each instance system and/or the corresponding application of unloading.
In technical solution of the present invention, " inclusion ", " for " etc. word should understand according to open language mode.This area skill
Art personnel pass through the content read this specification and can know with reference to prior art or common knowledge, no longer superfluous in this specification
State.
The mounting and adjusting of the instance system application that the present invention provides calculates and installation adjusting method, can using very short when
Between complete the adjustment of application mounting strategy in cloud system, apply the total degree installing and uninstalling can be sufficiently close to even up to manage
By minimum number, ensure that the number of applications of each instance system actual installation meets or closely optimal value simultaneously.
Brief description
Fig. 1 (a) has installed the scattergram of application for instance system in the simple examples of specific embodiment.
Fig. 1 (b) is the scattergram applied in instance system as result of calculation in the simple examples of specific embodiment.
Specific embodiment
Below embodiments of the present invention are further illustrated.It should be noted that the scope of the present invention is not
It is confined to described concrete technical scheme.Any technology essential factor in described concrete technical scheme carried out identical or waits
Replace together the technical scheme obtaining or those skilled in the art on the basis of described concrete technical scheme without creation
Property the technical scheme that is obtained with of work, all should be contemplated as falling within protection scope of the present invention.
Certain operating system adds the necessary hardware (such as processor, memorizer etc.) running needed for this operating system, can
To constitute an instance system.Several instance systems are managed concentratedly according to certain framework mode, cloud system can be formed.
For some instance systems, the memory space of its memorizer is very big, and can disposably install all users completely may
The application needing.But for some instance systems, for example, operating system is the instance system of ARIXTRA (Android) system,
The cost of this kind of instance system is relatively low, but memory space is also smaller, is mainly used in specific application (each peace such as running game
The memory space that tall and erect game takies is typically between 100MB to 600MB), installing user on these instance systems may need
All applications unrealistic.In practice, the operator of cloud system often works out mounting strategy, and each instance system is only pacified
The application that dress certain customers may need, application more for user's request is arranged on greater number of instance system, user
The less application of demand is arranged on small number of instance system.During follow-up operation, divide further according to user data
The adjustment mounting strategy such as analysis statistics.
The required content of mounting strategy, one is that every money application expectation installs how many, and two is to install on each instance system
Which application.Every money application expectation installs how many in cloud system, can install the expectation number of concurrent of application as expectation
Number.Number of concurrent refers to run the number of this application in cloud system simultaneously.For often a application, operator can be answered based on being somebody's turn to do
With the historical statistics of number of concurrent, wait in line cloud system and distribute the number of users of this application, the marketing of this application or popularization
The combined factors such as dynamics consider, the expectation number of concurrent of this application of reasonable prediction.Apply as which installs on each instance system,
After the installation number determining the application of every money, it is possible to use some disclosed algorithm the application of every money is assigned to different realities
Example system, repeats no more in technical solution of the present invention.
If be adjusted to mounting strategy, mean on some instance systems, to install and/or unload some applications.
Using the mounting and adjusting computational methods of instance system application, can calculate and specifically install on which instance system and/or unload
Which application.
The mounting and adjusting computational methods of instance system application, including：
The plan calculating each application is installed number and is installed the difference of number.Number is installed in plan, refers to application and plans in cloud system
The quantity installed in system, the adjustment of the corresponding mounting strategy of number is installed in plan.Number is installed, refers to application and install in cloud system
Quantity.For new opplication (application do not installed) before, it has installed number is zero.If plan is installed number and is installed number
Difference be on the occasion of representing that the installation number of this application is not enough, need to increase and install；If plan is installed number and is installed number
Difference is negative value, represents that the installation number of this application is excessive, needs to unload.The plan of all applications is installed number and is installed number
The absolute value sum of difference, is the theoretical minimum number that during adjustment mounting strategy, application installs and uninstalls.
Calculate obtain each application plan number is installed with the difference having installed number after, travel through that all differences are not zero should
With：
If certain application difference be just, travel through all can install this application (this application can be installed it can be understood as peace
Fill this application to be of practical significance.Two identical applications are installed for example in the operating system of same instance system, if for
The identical application operating system same time only allows to run one, then this installation can not improve the number of concurrent of this application,
There is no practical significance, therefore be considered as the instance system of this application can be installed by the instance system being fitted without this application.) reality
Example system, if there is difference on certain instance system is negative application, the application that difference is negative replaces with this application；If
It is negative application that all instance systems that can install this application do not have difference, then installing minimum the pacifying of number of applications
Fill and this application is increased on the instance system of this application.Said method is equivalent to and increased this application in cloud system, accordingly
Difference subtract 1, be likely to reduce by a difference is negative application simultaneously.
If the difference of certain application is negative, travel through all instance systems having installed this application, if certain instance system
It is positive application that difference can be installed, then this application being replaced with difference is positive application；If there is not difference in cloud system
It is worth that all can not to install difference for positive application or all instance systems having installed this application be positive application, then installing
What number of applications was most install deletes this application on the instance system of this application.Said method is equivalent to and reduces in cloud system
One this application, corresponding difference adds 1, and to be likely to increase a difference be positive application simultaneously.
Travel through the purpose of the application that all differences are not zero, be that the difference of all applications is adjusted to zero.Repeat above institute
The difference of one application can be adjusted to zero, enter the application that another difference is not zero afterwards, so travel through by the step stated
After the application that all differences are not zero, the difference of all applications can be adjusted to zero.
Obtain result using said method, may not be optimum, for example, there may be load imbalance, some example systems
The number of applications installed on system is excessive or very few.For each instance system, can set application install number asOrWherein M is that number is installed in total expectation of all applications, and N is the sum of instance system, and F is variable element.Symbol [x) represents
More than or equal to the smallest positive integral of x, and symbol (x] represent less than or be equal to the maximum integer of x.If x is integer, [x)=(x]
=x；If x is not integer, [x) and (x] is the two ends of x and the immediate integer of x on real number axis.
The foundation setting application installation number is as follows：If there being N number of instance system in cloud system, need the application of P money is installed, should
Installing number (expectation number of concurrent) with the expectation of i is Mi, then application i plan install number beF is variable element, Ke Yigen
Practical situation value according to cloud system.The meaning of F is the total quantity controlling the application planning to install in cloud system it is ensured that cloud system
System on the whole will not over-burden.Generally F is taken as 1 it is desirable to installation number is identical with plan installation number, but if all applications is total
Expect that installation number is excessive, then F takes the value more than 1 to be less than expectation installation number so that number is installed in plan.IfIt is all
Number is installed in the total expectation of application it is considered to each instance system only installs the situation of with money application, then each instance system
Set application install number asOrFrom load balancing, divide number of concurrent loss angularly, above-mentioned setting should
It is optimal value with installation number.
If after the application difference that all differences are not zero is adjusted to zero, the practical application having instance system is installed number and is not inconsistent
Close and set application installation number, then pass through the practical application installation number of transfer application adjustment different instances system, described transfer should
Deleted and increase on other instance systems can install this application on former instance system with referring to apply.Transfer application, actual
Above exactly exceeding to set in practical application installation number applies the instance system of installation number, practical application installation number deficiency to set and apply
The instance system of number is installed and practical application install number meet set application install applied between the instance system of number
Join and (due to setting application, the integer that number is two differences 1 in many cases is installed, increases or delete an application not necessarily
The practical application installation number of instance system is made not meet setting application installation number), if practical application installs the more example of number
Some or several application of system can be arranged on practical application and install on the less instance system of number, then shift these applications.
After mating for several times, it is possible to achieve the practical application of all instance systems is installed number and applies installation number to be consistent with setting.
Transfer application is preferential to shift new opplication, because not installing before new opplication, the actual adjustment subsequently applied
When it is possible to Exactly-once installation operation and do not execute unloading operation, saved adjustment time.
The process described above, only considers merely the installation number of application, if not accounting for taking after application is installed
Memory space compared with conference impact application installation number situation, main reason be instance system in practice hardware configuration will
Meet the requirement running application, if the memory space that takies after installing of a lot of application with respect to instance system memory space and
Speech all ratios are larger, then show that the memorizer of instance system has configured too low it should pass through hardware or the increasing of upgrading instance system
Plus in cloud system instance system quantity tackling.
If special circumstances have minority to apply really, the larger certain embodiments system of leading to of the memory space taking after installation
Practical application is installed number and is not met setting application installation number, then individually consider these applications, calculate it and other application is installed
The impact of quantity, practical application installation number is not met and sets the quantity of the instance system that number is installed in application and reduce to minimum.Will
The quantity that practical application installs the instance system that number does not meet setting application installation number reduces to minimum, can adopt the side dividing
Method, it is to avoid take the larger application of memory space after two or more installations and be located at same instance system, in an example
The larger application of memory space is taken after first arranging one to install on system, then it is little to arrange other to take memory space after installing
Application, make as far as possible practical application install number meet setting application install number.In this case might have a few examples system
The practical application of system is installed number and applies installation number not meet with setting, and is not reaching to optimal value, but deposits in view of taking after installing
The quantity very little of the larger application in storage space, affects less on the overall performance of cloud system.
The mounting and adjusting computational methods of example discussed above system application, can calculate the instance system in cloud system
The change of application distribution after mounting strategy adjustment, and the installation adjusting method of instance system application is then carried out instance system and answers
The result of calculation of mounting and adjusting computational methods, the real mounting and adjusting realizing application.
The installation adjusting method of instance system application, including：
The all related instance systems of result of calculation traversal of the mounting and adjusting computational methods according to instance system application,
Install on each instance system and/or the corresponding application of unloading.If some instance systems according to result of calculation thereon should
Not any change, then the installation adjusting method that instance system is applied is not related to these instance systems.
The installation adjusting method that the mounting and adjusting computational methods that instance system is applied are applied with instance system separates, be because
For instance system application mounting and adjusting computational methods may need repeatedly to calculate searching optimum, obtain optimum it
Before be carried out actual adjustment, be likely to result in the waste of unnecessary time and other resources.Based on current computing capability, as long as
In cloud system, total number of applications is not very big, and the execution time of the mounting and adjusting computational methods of instance system application almost may be used
To ignore, the installation adjusting method of subsequent instance system application is adjusted according to optimal computed result, by as far as possible
Few installs and uninstalls the actual adjustment that operation completes to apply.
Mounting and adjusting computational methods instance system applied below by Utopian simple examples and example system
The installation adjusting method of system application is intuitively illustrated.
For sake of simplicity it is supposed that only having 5 instance systems in cloud system, in cloud system, it has been mounted with 3 applications, should
Used in shown in distribution such as Fig. 1 (a) of instance system.The number of installation of application 1 is 4, and the number of installation of application 2 is 5, application 3
Having installed number is 1.
Operator have adjusted mounting strategy, and after adjustment, number is installed in the expectation of application 1 is 2, and it is 4 that number is installed in the expectation of application 2,
It is 5 that number is installed in the expectation of application 3, and it is 2 that number is installed in the expectation of new opplication application 4.F is taken as 1, then number etc. is installed in the plan of each application
In expectation install number, M=13, N=5,The application that sets of each instance system installs number as 2 or 3.
Calculate each application plan number is installed and the difference having installed number, the difference of application 1 is -2, the difference of application 2
For -1, the difference applying 3 is 4, and the difference of application 4 is 2.
Application 1 difference be negative -2, traversal all installed application 1 instance system (order of traversal is not necessarily pressed
Numbering according to instance system), if the order of traversal is instance system 2,3,4,1, instance system 2,3, can install difference is just
Application 3 or 4, select the application 1 in instance system 2,3 is replaced with application 3 respectively.Now the difference of application 1 is 0, applies 3
Difference be 2.
The difference of application 2 is negative -1, all instance systems having installed application 2 of traversal, if the order of traversal is real
Example system 1,2,3,4, it is positive application 3 or 4 that instance system 1 can install difference, selects to replace the application 2 in instance system 1
For application 4.Now the difference of application 2 is 0, and the difference of application 4 is 1.
The difference of application 3 is positive number 2, all instance systems that can install application 3 of traversal, now can install the reality of application 3
Example system only has instance system 1,4, but there is not difference on instance system 1,4 is negative application it is impossible to replace.Due to example
1st, the quantity of the application installed on 4 is all 2, all for install number of applications minimum the instance system applying 3 can be installed, then
One application 3 is installed on instance system 1,4, now the difference of application 3 is 0 respectively.
The difference of application 4 is positive number 1, all instance systems that can install application 4 of traversal, now can install the reality of application 4
Example system has instance system 2,3,4,5, but there is not difference on instance system 2,3,4,5 is negative application it is impossible to replace.By
The quantity of the application installed on example 2,3,5 is all 2, and the quantity of the application installed on instance system 4 is 3, example
2nd, 3,5 is all to have installed the minimum instance system that can install application 4 of number of applications, selects to install one on instance system 2
Application 4, now the difference of application 4 is 0.
As the above result calculating, apply shown in distribution such as Fig. 1 (b) of instance system, the dotted line frame of in figure represents
The application changing, solid box represents unconverted application.Set because the practical application installation number of each instance system meets
Number is installed in fixed application it is not necessary to further adjust, and the mounting and adjusting of instance system application calculates and terminates.
On this basis, the mounting and adjusting of embodiment system application, by the control node in cloud system, (control node is used
In controlling and managing the instance system in cloud system, as a kind of embodiment, real by the control server with X86-based
Existing) according to result of calculation, instance system 1,2,3,4 is installed and/or the corresponding application of unloading, the application on instance system 5
It is not any change, the mounting and adjusting of embodiment system application is not related to instance system 5.
Control node unloads application 2 in instance system 1, installs application 3,4；Unload application 1 in instance system 2, installing should
With 3,4；Unload application 1 in instance system 3, application 3 is installed；In instance system 4, application 3 is installed.Above-mentioned unloading and installation total
Number of times is 9 times, and the absolute value of the difference of all applications is also 9, is just completed by installing and uninstalling of theoretical minimum number
The adjustment of application mounting strategy.
Those skilled in the art, on the basis of concrete technical scheme described above, can construct its other party completely
Case.For example, the setting application of instance system is installed number and is set to other rational numerical value.Numerous to list herein.
Claims (5)
1. the mounting and adjusting computational methods of instance system application are it is characterised in that described method includes：
The plan calculating each application is installed number and is installed the difference of number；
Travel through the application that all differences are not zero, difference be adjusted to zero, described difference is adjusted to zero method be：
If the difference of certain application is just, travel through all instance systems that can install this application, if deposited on certain instance system
It is negative application in difference, then the application being negative by difference replaces with this application；If all example systems that can install this application
To there is not difference be negative application to system, then increase on the instance system of this application installing number of applications minimum installing
This application；
If the difference of certain application is negative, travel through all instance systems having installed this application, if certain instance system can be pacified
Dress difference is positive application, then this application being replaced with difference is positive application；If there is no difference be positive application or
It is positive application that all instance systems having installed this application all can not install difference, then to install number of applications most
Install and this application is deleted on the instance system of this application.
2. method according to claim 1 is it is characterised in that described method also includes：
Each instance system set application install number asOrWherein M is that total expectation of all applications is installed
Number, N is the sum of instance system, and F is variable element；
If after the application difference that all differences are not zero is adjusted to zero, the practical application installation number having instance system does not meet and sets
Number is installed in fixed application, then the practical application passing through transfer application adjustment different instances system installs number, and described transfer application refers to
Apply and delete and increase on other instance systems can install this application on former instance system.
3. method according to claim 2 shifts new opplication it is characterised in that described transfer application is preferential.
4. method according to claim 2 is it is characterised in that described method also includes：
If the larger practical application installation number leading to certain embodiments system of the memory space that application takies after installing does not meet set
Number is installed in fixed application, then quantity practical application installation number not being met the instance system that number is installed in setting application reduces to
Low.
5. the installation adjusting method of instance system application is it is characterised in that described method includes：
The result of calculation traversal institute of the mounting and adjusting computational methods of instance system application according to any one of claim 1-4
There is the instance system of correlation, each instance system is installed and/or the corresponding application of unloading.
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120204169A1 (en) * | 2011-02-08 | 2012-08-09 | International Business Machines Corporation | Hybrid cloud integrator |
| CN105677445A (en) * | 2016-01-25 | 2016-06-15 | 上海斐讯数据通信技术有限公司 | Application installation managing method, device and intelligent terminal |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120204169A1 (en) * | 2011-02-08 | 2012-08-09 | International Business Machines Corporation | Hybrid cloud integrator |
| CN105677445A (en) * | 2016-01-25 | 2016-06-15 | 上海斐讯数据通信技术有限公司 | Application installation managing method, device and intelligent terminal |
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