CN104809059B - Using the detection method and device for index of reaching the standard grade - Google Patents
Using the detection method and device for index of reaching the standard grade Download PDFInfo
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Abstract
The present invention provides the detection method and device that index is reached the standard grade in a kind of application.Application of the embodiment of the present invention by obtaining application is reached the standard grade very first time sequence of the index after the moment to be detected and the second time series before the moment to be detected,And then utilize the very first time sequence,Build the first Hankel matrixes,Further according to the first Hankel matrixes,Obtain the first eigenvector of the first Hankel matrixes,And utilize second time series,Build the 2nd Hankel matrixes,Further according to the 2nd Hankel matrixes and first eigenvector,Obtain several second feature vector of the 2nd Hankel matrixes,Make it possible to according to several second feature vector obtained,Determine that application index of reaching the standard grade whether there is drastic change point at the moment to be detected,Without manually participating in detection process,It is simple to operate,And accuracy is high,So as to improve the efficiency and reliability of the detection using index of reaching the standard grade.
Description
【Technical field】
The present invention relates to detection technique, more particularly to a kind of application is reached the standard grade the detection method and device of index.
【Background technology】
With the development of the communication technology, terminal is integrated with increasing function, so that the systemic-function row of terminal
Contained in table more and more corresponding using (Application, APP).In internet, content supplier can all send out daily
Raw hundreds of application is reached the standard grade.It is to provide a user new application that some applications, which are reached the standard grade, and other application is reached the standard grade
It is then to improve old application.There is mistake after being reached the standard grade in order to avoid application, there is provided the engineer of application can typically emulate
The process reached the standard grade is simulated in environment, and tests the reliability reached the standard grade.However, truly go up operating system various in thread environment, answer
Miscellaneous interactive environment and thousands of server farms are that simulated environment is difficult to simulate.Some in simulated environment simultaneously
Non- produced problem but occurs in true environment.After generation of reaching the standard grade, if there is mistake, the body of user can be influenceed
Test, and then influence the income of ICP.In general, when application, which is reached the standard grade, to make a mistake, associated service
Drastic change occurs using the time series for index of reaching the standard grade in performance indications and performance indications of device etc..Therefore, the detection of fast and stable
Go out in the presence of the time series for index of being reached the standard grade using the application such as the performance indications for relevant server of reaching the standard grade and performance indications
Drastic change point, it is significant.
Currently, after application is reached the standard grade each time, the related engineer of the application typically use artificial observation method, observe and this
The performance indications of relevant server of reaching the standard grade and the application such as performance indications are reached the standard grade the time series of index, are reached the standard grade finger with detection application
It whether there is drastic change point in target time series.This method, detection time length, and easily malfunction, so as to result in application
The reduction of the efficiency and reliability of the detection for index of reaching the standard grade.
【The content of the invention】
The many aspects of the present invention provide the detection method and device that index is reached the standard grade in a kind of application, are reached the standard grade to improve to apply
The efficiency and reliability of the detection of index.
An aspect of of the present present invention, there is provided one kind application, which is reached the standard grade, refers to object detection method, including：
Obtain application application reach the standard grade very first time sequence of the index after the moment to be detected and the moment to be detected it
The second preceding time series；
According to the very first time sequence, the first transformation matrix is obtained, according to first transformation matrix, obtains described the
At least one characteristic value of one transformation matrix, according to a spy minimum at least one characteristic value of first transformation matrix
Value indicative, obtain first eigenvector；
According to second time series, the second transformation matrix is obtained, according to second transformation matrix and described first
Characteristic vector, triple diagonal matrix is obtained, according to the triple diagonal matrix, obtain at least one feature of the triple diagonal matrix
Value, according to N number of characteristic value minimum at least one characteristic value of the triple diagonal matrix, obtain N number of second feature vector, N
For the integer more than or equal to 1；
According to the N number of second feature vector, determine that application index of reaching the standard grade whether there is at the moment to be detected
Drastic change point.
Aspect as described above and any possible implementation, it is further provided a kind of implementation, it is described according to institute
Very first time sequence is stated, obtains the first transformation matrix, including：
According to the very first time sequence, the first Hankel matrixes are obtained, according to the first Hankel matrixes and described
The transposed matrix of first Hankel matrixes, obtain first transformation matrix.
Aspect as described above and any possible implementation, it is further provided a kind of implementation, it is described according to institute
The second time series is stated, obtains the second transformation matrix, including：
According to second time series, the 2nd Hankel matrixes are obtained, according to the 2nd Hankel matrixes and described
The transposed matrix of 2nd Hankel matrixes, obtain second transformation matrix.
Aspect as described above and any possible implementation, it is further provided a kind of implementation, in the application
Line index includes at least one in following data：
The performance indications of server used in the application；And
The performance indications of the application.
Aspect as described above and any possible implementation, it is further provided a kind of implementation, it is described according to institute
Triple diagonal matrix is stated, obtains at least one characteristic value of the triple diagonal matrix, including：
According to the triple diagonal matrix, using QL alternative manners, at least one characteristic value of the triple diagonal matrix is obtained.
Aspect as described above and any possible implementation, it is further provided a kind of implementation, it is described according to institute
N number of second feature vector is stated, determines that application index of reaching the standard grade whether there is drastic change point at the moment to be detected, including：
According to N number of second feature vector, quadratic sum is calculated；
If specifying numerical value to subtract the numerical value of the quadratic sum is more than or equal to detection threshold value, determine that the application is reached the standard grade index
Drastic change point be present at the moment to be detected.
Aspect as described above and any possible implementation, it is further provided a kind of implementation, it is described according to institute
N number of second feature vector is stated, determines that application index of reaching the standard grade whether there is drastic change point at the moment to be detected, in addition to：
If the numerical value that the specified numerical value subtracts the quadratic sum is less than the detection threshold value, determine that the application is reached the standard grade finger
Being marked on the moment to be detected is not present drastic change point.
Another aspect of the present invention, there is provided a kind of application is reached the standard grade the detection means of index, including：
Acquiring unit, the application for obtaining application reach the standard grade very first time sequence of the index after the moment to be detected and
The second time series before moment to be detected；
Fisrt feature unit, for according to the very first time sequence, obtaining the first transformation matrix, becoming according to described first
Matrix is changed, at least one characteristic value of first transformation matrix is obtained, according at least one spy of first transformation matrix
A minimum characteristic value in value indicative, obtain first eigenvector；
Second feature unit, for according to second time series, obtaining the second transformation matrix, becoming according to described second
Matrix and the first eigenvector are changed, triple diagonal matrix is obtained, according to the triple diagonal matrix, obtains the triple diagonal matrix
At least one characteristic value, according to N number of characteristic value minimum at least one characteristic value of the triple diagonal matrix, obtain N number of
Second feature vector, N are the integer more than or equal to 1；
Determining unit, for according to N number of second feature vector, determining that the application reaches the standard grade index described to be detected
Moment whether there is drastic change point.
Aspect as described above and any possible implementation, it is further provided a kind of implementation, described first is special
Unit is levied, is specifically used for
According to the very first time sequence, the first Hankel matrixes are obtained, according to the first Hankel matrixes and described
The transposed matrix of first Hankel matrixes, obtain first transformation matrix.
Aspect as described above and any possible implementation, it is further provided a kind of implementation, described second is special
Unit is levied, is specifically used for
According to second time series, the 2nd Hankel matrixes are obtained, according to the 2nd Hankel matrixes and described
The transposed matrix of 2nd Hankel matrixes, obtain second transformation matrix.
Aspect as described above and any possible implementation, it is further provided a kind of implementation, in the application
Line index includes at least one in following data：
The performance indications of server used in the application；And
The performance indications of the application.
Aspect as described above and any possible implementation, it is further provided a kind of implementation, described second is special
Unit is levied, is specifically used for
According to the triple diagonal matrix, using QL alternative manners, at least one characteristic value of the triple diagonal matrix is obtained.
Aspect as described above and any possible implementation, it is further provided a kind of implementation, described second is special
Unit is levied, is specifically used for
According to N number of second feature vector, quadratic sum is calculated；And
If specifying numerical value to subtract the numerical value of the quadratic sum is more than or equal to detection threshold value, determine that the application is reached the standard grade index
Drastic change point be present at the moment to be detected.
Aspect as described above and any possible implementation, it is further provided a kind of implementation, it is described to determine list
Member, it is additionally operable to
If the numerical value that the specified numerical value subtracts the quadratic sum is less than the detection threshold value, determine that the application is reached the standard grade finger
Being marked on the moment to be detected is not present drastic change point.
As shown from the above technical solution, application of the embodiment of the present invention by obtaining application reaches the standard grade index at the moment to be detected
Very first time sequence afterwards and the second time series before the moment to be detected, and then the very first time sequence is utilized,
The first Hankel matrixes are built, further according to the first Hankel matrixes, obtain the fisrt feature of the first Hankel matrixes
Vector, and utilize second time series, builds the 2nd Hankel matrixes, further according to the 2nd Hankel matrixes and
First eigenvector, obtain several second feature vector of the 2nd Hankel matrix, enabling if according to being obtained
Dry second feature vector, determine that application index of reaching the standard grade whether there is drastic change point at the moment to be detected, without artificial
Detection process is participated in, it is simple to operate, and accuracy is high, so as to improve using the efficiency of the detection for index of reaching the standard grade and reliable
Property.
【Brief description of the drawings】
Technical scheme in order to illustrate the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
In the required accompanying drawing used be briefly described, it should be apparent that, drawings in the following description be the present invention some realities
Example is applied, for those of ordinary skill in the art, without having to pay creative labor, can also be attached according to these
Figure obtains other accompanying drawings.
Fig. 1 reaches the standard grade for the application that one embodiment of the invention provides refers to the schematic flow sheet of object detection method；
Fig. 2 be another embodiment of the present invention provide application reach the standard grade index detection means structural representation.
【Embodiment】
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The whole other embodiments obtained under the premise of creative work is not made, belong to the scope of protection of the invention.
It should be noted that terminal involved in the embodiment of the present invention can include but is not limited to mobile phone, individual digital
Assistant (Personal Digital Assistant, PDA), radio hand-held equipment, tablet personal computer (Tablet Computer),
PC (Personal Computer, PC), MP3 player, MP4 players, wearable device (for example, intelligent glasses,
Intelligent watch, Intelligent bracelet etc.) etc..
In addition, the terms "and/or", only a kind of incidence relation for describing affiliated partner, represents there may be
Three kinds of relations, for example, A and/or B, can be represented：Individualism A, while A and B be present, these three situations of individualism B.Separately
Outside, character "/" herein, it is a kind of relation of "or" to typically represent forward-backward correlation object.
Fig. 1 reaches the standard grade for the application that one embodiment of the invention provides refers to the schematic flow sheet of object detection method, such as Fig. 1 institutes
Show.
101st, the application for obtaining application reaches the standard grade index in the very first time sequence after the moment to be detected and when to be detected
The second time series before quarter.
It so-called application, can be browser application, or can also be the other application in addition to browser application,
For example, Baidu search application, Baidu map application etc., as long as showing for the page can be realized, the present embodiment does not enter to this
Row especially limitation.
The so-called page, WWW (World Wide Web, Web) page is referred to as sometimes, can be based on super
The webpage (Web Page) that text mark up language (HyperText Markup Language, HTML) is write, i.e. html page,
Or can also be the webpage write based on HTML and Java language, i.e., the java server page (Java Server Page,
JSP), or can also be the webpage that other programming languages are write, the present embodiment is to this without being particularly limited to.
Specifically, the page can include by one or more page-tag for example, HTML
(HyperText Markup Language, HTML) label, JSP labels etc., the referred to as display block of definition, page elements, example
Such as, text, picture, hyperlink, button, edit box, combobox etc., the present embodiment is to this without being particularly limited to.
Wherein, the application of the application reach the standard grade index can include but is not limited in following data at least one of：
The performance indications of server used in the application；And
The performance indications of the application.
The performance indications of server used in so-called application, refer to the hardware index of server, for example, central processing
Unit (Central Processing Unit, CPU) utilization rate, memory usage etc..
The performance indications of so-called application, refer to the software index of application, for example, when clicking rate, click mortality, click
Prolong, average response time etc..
It is understood that using numerical value of the index at the moment to be detected of reaching the standard grade, may be embodied in very first time sequence,
Or be further included in the second time series, the present embodiment is to this without being particularly limited to.
102nd, according to the very first time sequence, the first transformation matrix is obtained, according to first transformation matrix, obtains institute
At least one characteristic value of the first transformation matrix is stated, according at least one characteristic value of first transformation matrix minimum one
Individual characteristic value, obtain first eigenvector.
Specifically, specifically the first Hankel matrixes can be obtained, according to described first according to the very first time sequence
The transposed matrix of Hankel matrixes and the first Hankel matrixes, obtain first transformation matrix.
, specifically can be according to first transformation matrix, using singular value decomposition side during a concrete implementation
Method, obtain at least one characteristic value of first transformation matrix.
103rd, according to second time series, the second transformation matrix is obtained, according to second transformation matrix and described
First eigenvector, triple diagonal matrix is obtained, according to the triple diagonal matrix, obtain at least one spy of the triple diagonal matrix
Value indicative, according to N number of characteristic value minimum at least one characteristic value of the triple diagonal matrix, N number of second feature vector is obtained,
N is the integer more than or equal to 1.
Specifically, specifically the 2nd Hankel matrixes can be obtained, according to described second according to second time series
The transposed matrix of Hankel matrixes and the 2nd Hankel matrixes, obtain second transformation matrix.
For example, it is assumed that the moment to be detected is t, the length of time series (i.e. very first time sequence and the second time series) is
W, w are the integer more than or equal to 2；So, very first time sequence then can be x (t), x (t+1), x (t+2) ..., x (t+w-
1)；Second time series then can be x (t-w) ..., x (t-3), x (t-2), x (t-1).
First Hankel matrixes can be following form, be designated as G (t)：
G (t)=[r (t), r (t+1), r (t+2) ..., r (t+w-1)]；Wherein,
R (t)=x (t)T,x(t+1)T,x(t+2)T,…,x(t+w-1)T；
2nd Hankel matrixes can be following form, be designated as H (t)：
H (t)=[s (t-w) ..., s (t-3), s (t-2), s (t-1)]；Wherein,
S (t)=x (t-w+1)T,…,x(t-3)T,x(t-2)T,x(t-1)T,x(t)T。
104th, according to the N number of second feature vector, determine the application reach the standard grade index the moment to be detected whether
Drastic change point be present.
It should be noted that 101~104 executive agent can be partly or entirely the application for being located locally terminal,
Or can also be the plug-in unit being located locally in the application of terminal or SDK (Software Development
Kit, SDK) etc. functional unit, can also be either processing engine in the server of network side or can also be position
In the distributed system of network side, the present embodiment is to this without being particularly limited to, and the present embodiment is to this without being particularly limited to.
It is understood that the application can be mounted in the local program (nativeApp) in terminal, or may be used also
To be a web page program (webApp) of browser in terminal, the present embodiment is to this without being particularly limited to.
So, the application by obtaining application is reached the standard grade very first time sequence of the index after the moment to be detected and to be checked
The second time series surveyed before the moment, and then the very first time sequence is utilized, build the first Hankel matrixes, further root
According to the first Hankel matrixes, the first eigenvector of the first Hankel matrixes is obtained, and utilizes the second time sequence
Row, build the 2nd Hankel matrixes, further according to the 2nd Hankel matrixes and first eigenvector, obtain this second
Several second feature vector of Hankel matrixes, enabling according to several second feature vector obtained, determine institute
State and whether there is drastic change point at the moment to be detected using index of reaching the standard grade, it is simple to operate without artificial participation detection process, and
And accuracy is high, so as to improve the efficiency and reliability of the detection using index of reaching the standard grade.
Alternatively,, specifically can be according to described second in 103 in a possible implementation of the present embodiment
Transformation matrix and the first eigenvector, using Lanczos algorithms, obtain triple diagonal matrix.
Specifically, specifically the arbitrary integer between a 0~w, w can be the length of time series, and is obtained
Second transformation matrix and the first eigenvector, substitute into Lanczos algorithms, obtain triple diagonal matrix.
During a concrete implementation, specifically can according to the triple diagonal matrix, using singular value decomposition method,
Obtain at least one characteristic value of the triple diagonal matrix.This method, computation complexity are larger.
During another concrete implementation, using QL alternative manners, it can specifically be obtained according to the triple diagonal matrix
Obtain at least one characteristic value of the triple diagonal matrix.This method, computation complexity is smaller, can effectively improve characteristic value and obtain
The efficiency taken.
Alternatively, in 104, specifically can be according to described N number of in a possible implementation of the present embodiment
Two characteristic vectors, calculate quadratic sum.And then then the application can be determined according to quadratic sum and the detection threshold value pre-set
Index of reaching the standard grade whether there is drastic change point at the moment to be detected.
During a concrete implementation, it is more than or waits if specifying numerical value (for example, 1) to subtract the numerical value of the quadratic sum
In detection threshold value, then it can determine that application index of reaching the standard grade has drastic change point at the moment to be detected.
During another concrete implementation, if the numerical value that the specified numerical value subtracts the quadratic sum is less than the inspection
Threshold value is surveyed, then can determine that drastic change point is not present at the moment to be detected in application index of reaching the standard grade.
In the present embodiment, by obtain application application reach the standard grade very first time sequence of the index after the moment to be detected and
The second time series before the moment to be detected, and then the very first time sequence is utilized, the first Hankel matrixes are built, are entered
One step obtains the first eigenvector of the first Hankel matrixes, and utilize described second according to the first Hankel matrixes
Time series, build the 2nd Hankel matrixes, further according to the 2nd Hankel matrixes and first eigenvector, obtain this
Several second feature vector of two Hankel matrixes, enabling according to several second feature vector obtained, it is determined that
Application index of reaching the standard grade whether there is drastic change point at the moment to be detected, and detection process is participated in without artificial, simple to operate,
And accuracy is high, so as to improve the efficiency and reliability of the detection using index of reaching the standard grade.
In addition, reaching the standard grade by application provided by the present invention refers to object detection method, can detect to answer with fast and stable
The influence caused by reaching the standard grade, the application for avoiding mistake are reached the standard grade the experience for causing Internet user poor, so as to reduce interconnection
Net the loss of content supplier.Meanwhile reached the standard grade using application provided by the present invention and refer to object detection method, can automatically it examine
Measure using reaching the standard grade afterwards whether there occurs drastic change point, so as to reduce artificial detection drastic change point in the past and caused manpower, thing
Power is lost.
It should be noted that for foregoing each method embodiment, in order to be briefly described, therefore it is all expressed as a series of
Combination of actions, but those skilled in the art should know, the present invention is not limited by described sequence of movement because
According to the present invention, some steps can use other orders or carry out simultaneously.Secondly, those skilled in the art should also know
Know, embodiment described in this description belongs to preferred embodiment, and involved action and module are not necessarily of the invention
It is necessary.
In the above-described embodiments, the description to each embodiment all emphasizes particularly on different fields, and does not have the portion being described in detail in some embodiment
Point, it may refer to the associated description of other embodiment.
Fig. 2 be another embodiment of the present invention provide application reach the standard grade index detection means structural representation, such as Fig. 2 institutes
Show.The application of the present embodiment reach the standard grade index detection means can include acquiring unit 21, fisrt feature unit 22, second feature
Unit 23 and determining unit 24.Wherein, acquiring unit 21, the application for obtaining application reach the standard grade index after the moment to be detected
Very first time sequence and the second time series before the moment to be detected；Fisrt feature unit 22, for according to described
One time series, the first transformation matrix is obtained, according to first transformation matrix, obtain at least the one of first transformation matrix
Individual characteristic value, according to a characteristic value minimum at least one characteristic value of first transformation matrix, obtain fisrt feature
Vector；Second feature unit 23, for according to second time series, obtaining the second transformation matrix, becoming according to described second
Matrix and the first eigenvector are changed, triple diagonal matrix is obtained, according to the triple diagonal matrix, obtains the triple diagonal matrix
At least one characteristic value, according to N number of characteristic value minimum at least one characteristic value of the triple diagonal matrix, obtain N number of
Second feature vector, N are the integer more than or equal to 1；Determining unit 24, for vectorial according to N number of second feature, it is determined that
Application index of reaching the standard grade whether there is drastic change point at the moment to be detected.
Specifically, the fisrt feature unit, specifically can be used for, according to the very first time sequence, obtaining first
Hankel matrixes, according to the first Hankel matrixes and the transposed matrix of the first Hankel matrixes, obtain described first
Transformation matrix.
Specifically, the second feature unit, specifically can be used for, according to second time series, obtaining second
Hankel matrixes, according to the 2nd Hankel matrixes and the transposed matrix of the 2nd Hankel matrixes, obtain described second
Transformation matrix.
It should be noted that the application that the present embodiment is provided is reached the standard grade, the detection means of index can be partly or entirely
The application of terminal is located locally, or can also be the plug-in unit or SDK being located locally in the application of terminal
Functional units such as (Software Development Kit, SDK), or can also be the place in the server of network side
Manage engine, or can also be positioned at network side distributed system, the present embodiment to this without being particularly limited to, the present embodiment
To this without being particularly limited to.
It is understood that the application can be mounted in the local program (nativeApp) in terminal, or may be used also
To be a web page program (webApp) of browser in terminal, the present embodiment is to this without being particularly limited to.
Wherein, the application of the application reach the standard grade index can include but is not limited in following data at least one of：
The performance indications of server used in the application；And
The performance indications of the application.
The performance indications of server used in so-called application, refer to the hardware index of server, for example, central processing
Unit (Central Processing Unit, CPU) utilization rate, memory usage etc..
The performance indications of so-called application, refer to the software index of application, for example, when clicking rate, click mortality, click
Prolong, average response time etc..
It is understood that using numerical value of the index at the moment to be detected of reaching the standard grade, may be embodied in very first time sequence,
Or be further included in the second time series, the present embodiment is to this without being particularly limited to.
Alternatively, in a possible implementation of the present embodiment, the second feature unit 23, can specifically use
According to the triple diagonal matrix, using QL alternative manners, at least one characteristic value of the triple diagonal matrix is obtained.
Alternatively, in a possible implementation of the present embodiment, the second feature unit 23, can specifically use
According to N number of second feature vector, quadratic sum is calculated；And if specify numerical value subtract the quadratic sum numerical value be more than or
Equal to detection threshold value, determine that application index of reaching the standard grade has drastic change point at the moment to be detected.
Further, the determining unit 24, if can also be further used for the specified numerical value subtracts the quadratic sum
Numerical value be less than the detection threshold value, determine that drastic change point is not present at the moment to be detected in application index of reaching the standard grade.
It should be noted that method in embodiment corresponding to Fig. 1, can be reached the standard grade index by the application that the present embodiment provides
Detection means is realized.The related content that may refer in embodiment corresponding to Fig. 1 is described in detail, here is omitted.
In the present embodiment, by acquiring unit obtain application application reach the standard grade index after the moment to be detected first when
Between sequence and the second time series before the moment to be detected, and then the very first time sequence is utilized by fisrt feature unit
Row, the first Hankel matrixes are built, further according to the first Hankel matrixes, obtain the first Hankel matrixes first is special
Sign vector, and second time series is utilized by second feature unit, the 2nd Hankel matrixes are built, further basis should
2nd Hankel matrixes and first eigenvector, obtain several second feature vector of the 2nd Hankel matrixes so that really
Order member can determine that the application reaches the standard grade index at the moment to be detected according to several second feature vector obtained
It is simple to operate without artificial participation detection process with the presence or absence of drastic change point, and accuracy is high, is reached the standard grade so as to improve to apply
The efficiency and reliability of the detection of index.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, the corresponding process in preceding method embodiment is may be referred to, will not be repeated here.
In several embodiments provided by the present invention, it should be understood that disclosed system, apparatus and method can be with
Realize by another way.For example, device embodiment described above is only schematical, for example, the unit
Division, only a kind of division of logic function, can there is other dividing mode, such as multiple units or component when actually realizing
Another system can be combined or be desirably integrated into, or some features can be ignored, or do not perform.It is another, it is shown or
The mutual coupling discussed or direct-coupling or communication connection can be the indirect couplings by some interfaces, device or unit
Close or communicate to connect, can be electrical, mechanical or other forms.
The unit illustrated as separating component can be or may not be physically separate, show as unit
The part shown can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple
On NE.Some or all of unit therein can be selected to realize the mesh of this embodiment scheme according to the actual needs
's.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, can also
That unit is individually physically present, can also two or more units it is integrated in a unit.Above-mentioned integrated list
Member can both be realized in the form of hardware, can also be realized in the form of hardware adds SFU software functional unit.
The above-mentioned integrated unit realized in the form of SFU software functional unit, can be stored in one and computer-readable deposit
In storage media.Above-mentioned SFU software functional unit is stored in a storage medium, including some instructions are causing a computer
It is each that equipment (can be personal computer, server, or network equipment etc.) or processor (processor) perform the present invention
The part steps of embodiment methods described.And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only storage (Read-
Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disc or CD etc. it is various
Can be with the medium of store program codes.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：It still may be used
To be modified to the technical scheme described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic；
And these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical scheme spirit and
Scope.
Claims (14)
1. one kind application, which is reached the standard grade, refers to object detection method, it is characterised in that including：
The application for obtaining application is reached the standard grade very first time sequence of the index after the moment to be detected and before the moment to be detected
Second time series；
According to the very first time sequence, the first transformation matrix is obtained, according to first transformation matrix, described first is obtained and becomes
At least one characteristic value of matrix is changed, according to a feature minimum at least one characteristic value of first transformation matrix
Value, obtain first eigenvector；
According to second time series, the second transformation matrix is obtained, according to second transformation matrix and the fisrt feature
Vector, triple diagonal matrix is obtained, according to the triple diagonal matrix, obtain at least one characteristic value of the triple diagonal matrix, root
According to N number of characteristic value minimum at least one characteristic value of the triple diagonal matrix, obtain N number of second feature vector, N be more than
Or the integer equal to 1；
According to the N number of second feature vector, determine that application index of reaching the standard grade whether there is drastic change at the moment to be detected
Point.
2. according to the method for claim 1, it is characterised in that it is described according to the very first time sequence, obtain first and become
Matrix is changed, including：
According to the very first time sequence, the first Hankel matrixes are obtained, according to the first Hankel matrixes and described first
The transposed matrix of Hankel matrixes, obtain first transformation matrix.
3. according to the method for claim 1, it is characterised in that it is described according to second time series, obtain second and become
Matrix is changed, including：
According to second time series, the 2nd Hankel matrixes are obtained, according to the 2nd Hankel matrixes and described second
The transposed matrix of Hankel matrixes, obtain second transformation matrix.
4. according to the method for claim 1, it is characterised in that the application reach the standard grade index include following data at least
One：
The performance indications of server used in the application；And
The performance indications of the application.
5. according to the method for claim 1, it is characterised in that it is described according to the triple diagonal matrix, obtain described three pairs
At least one characteristic value of angular moment battle array, including：
According to the triple diagonal matrix, using QL alternative manners, at least one characteristic value of the triple diagonal matrix is obtained.
6. according to the method described in Claims 1 to 5 any claim, it is characterised in that described special according to described N number of second
Sign vector, determine that application index of reaching the standard grade whether there is drastic change point at the moment to be detected, including：
According to N number of second feature vector, quadratic sum is calculated；
If specifying numerical value to subtract the numerical value of the quadratic sum is more than or equal to detection threshold value, determine that the application reaches the standard grade index in institute
Stating the moment to be detected has drastic change point；Wherein, the specified numerical value is preassigned constant.
7. according to the method for claim 6, it is characterised in that it is described according to N number of second feature vector, it is determined that described
Using reaching the standard grade, index whether there is drastic change point at the moment to be detected, in addition to：
If the numerical value that the specified numerical value subtracts the quadratic sum is less than the detection threshold value, determine that application index of reaching the standard grade exists
Drastic change point is not present in the moment to be detected.
The detection means of index 8. a kind of application is reached the standard grade, it is characterised in that including：
Acquiring unit, the application for obtaining application are reached the standard grade very first time sequence of the index after the moment to be detected and to be checked
The second time series surveyed before the moment；
Fisrt feature unit, for according to the very first time sequence, the first transformation matrix being obtained, according to the described first conversion square
Battle array, at least one characteristic value of first transformation matrix is obtained, according at least one characteristic value of first transformation matrix
A middle minimum characteristic value, obtain first eigenvector；
Second feature unit, for according to second time series, the second transformation matrix being obtained, according to the described second conversion square
Battle array and the first eigenvector, triple diagonal matrix is obtained, according to the triple diagonal matrix, obtains the triple diagonal matrix extremely
A few characteristic value, according to N number of characteristic value minimum at least one characteristic value of the triple diagonal matrix, obtain N number of second
Characteristic vector, N are the integer more than or equal to 1；
Determining unit, for according to N number of second feature vector, determining that the application reaches the standard grade index at the moment to be detected
With the presence or absence of drastic change point.
9. device according to claim 8, it is characterised in that the fisrt feature unit, be specifically used for
According to the very first time sequence, the first Hankel matrixes are obtained, according to the first Hankel matrixes and described first
The transposed matrix of Hankel matrixes, obtain first transformation matrix.
10. device according to claim 8, it is characterised in that the second feature unit, be specifically used for
According to second time series, the 2nd Hankel matrixes are obtained, according to the 2nd Hankel matrixes and described second
The transposed matrix of Hankel matrixes, obtain second transformation matrix.
11. device according to claim 8, it is characterised in that the application reach the standard grade index include following data in extremely
One item missing：
The performance indications of server used in the application；And
The performance indications of the application.
12. device according to claim 8, it is characterised in that the second feature unit, be specifically used for
According to the triple diagonal matrix, using QL alternative manners, at least one characteristic value of the triple diagonal matrix is obtained.
13. according to the device described in claim 8~12 any claim, it is characterised in that the second feature unit, tool
Body is used for
According to N number of second feature vector, quadratic sum is calculated；And
If specifying numerical value to subtract the numerical value of the quadratic sum is more than or equal to detection threshold value, determine that the application reaches the standard grade index in institute
Stating the moment to be detected has drastic change point；Wherein, the specified numerical value is preassigned constant.
14. device according to claim 13, it is characterised in that the determining unit, be additionally operable to
If the numerical value that the specified numerical value subtracts the quadratic sum is less than the detection threshold value, determine that application index of reaching the standard grade exists
Drastic change point is not present in the moment to be detected.
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