CN109032790A - Overload protection method, overload protection arrangement, medium and equipment - Google Patents
Overload protection method, overload protection arrangement, medium and equipment Download PDFInfo
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- CN109032790A CN109032790A CN201810718746.4A CN201810718746A CN109032790A CN 109032790 A CN109032790 A CN 109032790A CN 201810718746 A CN201810718746 A CN 201810718746A CN 109032790 A CN109032790 A CN 109032790A
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- request
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- overload protection
- current time
- arrival time
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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
- G06F9/46—Multiprogramming arrangements
- G06F9/50—Allocation of resources, e.g. of the central processing unit [CPU]
- G06F9/5005—Allocation of resources, e.g. of the central processing unit [CPU] to service a request
- G06F9/5027—Allocation of resources, e.g. of the central processing unit [CPU] to service a request the resource being a machine, e.g. CPUs, Servers, Terminals
- G06F9/505—Allocation of resources, e.g. of the central processing unit [CPU] to service a request the resource being a machine, e.g. CPUs, Servers, Terminals considering the load
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- General Engineering & Computer Science (AREA)
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Abstract
The present invention provides a kind of overload protection method, overload protection arrangement, medium and equipment.This method comprises: obtaining the arrival time that request to be processed reaches server；When the difference of arrival time and the current time of server are equal, add up the first number of request of the request to be processed of current time；When the first accumulative number of request is more than predetermined threshold, refusal handles request to be processed.The overload protection method can reduce computation complexity when overload judges, to reduce the consumption of the computing resource of CPU, especially in the critical overload of server, effectively mitigate server stress.
Description
Technical field
The present invention relates to field of Internet communication, and in particular to a kind of overload protection method, overload protection arrangement, medium and
Equipment.
Background technique
Overload protection is the technology that Internet Server is commonly used, for preventing server request amount is excessive from causing to take
A kind of completely impaired means of business.The quantity of any server accessible client request within a certain period of time is limited,
But server often receives excessive request and can not timely and effectively handle, if server does not have enough abilities
These requests are handled, will lead to server overload and the consequences such as delay machine occur.Therefore, above situation occurs in order to prevent, right
Server carries out overload protection.
In the prior art, the overload protection method being usually used in server is the statistics array A for designing a Millisecond
[1000], the request amount of nearest 1000ms is put on corresponding array position, also designs some sliding pointers, carry out starting point control
System；If there is request reach server, then array all values are done it is cumulative, if number of requests has been more than predetermined threshold, just report
Accuse overload.When inquiring overload situations, and need all values in accumulative 1000 arrays are cumulative to obtain.
Therefore, the prior art overload protection method calculate complexity it is higher, and to the consumption of server CPU compared with
It is high.
Summary of the invention
To solve the above-mentioned problems.The present invention provides a kind of overload protection method, overload protection arrangement, medium and equipment.
A kind of overload protection method is provided according to the first aspect of the invention, comprising: is obtained request to be processed and is reached clothes
The arrival time of business device；When the difference of arrival time and the current time of server are equal, accumulative the to be processed of current time is asked
The first number of request asked；When the first accumulative number of request is more than predetermined threshold, refusal handles request to be processed.
Optionally, this method further includes, when the difference of arrival time and current time is one second, the second number of request being updated
For the first number of request, current time is updated to arrival time, and updating the first number of request is 1.
Optionally, this method further includes, when the difference of arrival time and current time is greater than one second, more by the first number of request
New is 1, and the second number of request is updated to 0, and current time is updated to arrival time.
Optionally, this method further includes the second number of request being inquired, to obtain one second on server number of request.
According to the second aspect of the invention, a kind of overload protection arrangement is provided, comprising: module is obtained, for obtaining wait locate
Reason request reaches the arrival time of server；Accumulation module is requested, for the difference when arrival time and the current time of server
When equal, add up the first number of request of the request to be processed of current time；Request processing module, for when the first accumulative request
When number is more than predetermined threshold, refusal handles request to be processed.
Optionally, request accumulation module can be also used for when the difference of arrival time and current time is one second, by second
Number of request is updated to the first number of request, and current time is updated to arrival time, and updating the first number of request is 1.
Optionally, request accumulation module can be also used for when the difference of arrival time and current time was greater than one second, by the
One number of request is updated to 1, and the second number of request is updated to 0, and current time is updated to arrival time.
Optionally, overload protection arrangement further includes enquiry module, for inquiring the second number of request, to obtain one on server
The number of request of second.
According to the third aspect of the invention we, a kind of non-volatile memory medium is also provided, non-volatile memory medium tool
There is the instruction being stored therein, when the instruction is performed, so that processor executes overload protection method, which includes: to obtain
Request to be processed is taken to reach the arrival time of server；When the difference of arrival time and the current time of server are equal, add up
First number of request of the request to be processed of current time；When the first accumulative number of request is more than predetermined threshold, refusal processing to
Processing request.
According to the fourth aspect of the invention, a kind of equipment, including memory are also provided, the executable finger of computer is stored with
It enables, processor, processor is configured as executing instruction to implement the process of overload protection, which includes: to obtain to be processed ask
Ask the arrival time for reaching server；When the difference of arrival time and the current time of server are equal, add up current time
First number of request of request to be processed；When the first accumulative number of request is more than predetermined threshold, refusal handles request to be processed.
Compared with prior art, the main distinction and its effect are embodiment of the present invention:
The overload protection method of the embodiment of the present invention, using request to be processed arrival time and server it is current when
Between, and the sum of request to be processed is calculated according to scheduled difference relationship between the two, solve existing overload protection method
In add up the excessively complicated problem of number of requests, reach the computation complexity reduced when overload judges, reduce the computing resource of CPU
The effect of consumption can effectively mitigate server stress especially in the critical overload of server.
Detailed description of the invention
Fig. 1 shows the hardware block diagram of the terminal of method of the invention.
Fig. 2 shows the flow charts of overload protection method according to an embodiment of the present invention.
Fig. 3 shows the module diagram of overload protection arrangement according to an embodiment of the present invention.
Specific embodiment
To keep purpose and the technical solution of the embodiment of the present invention clearer, below in conjunction with the attached of the embodiment of the present invention
Figure, is clearly and completely described the technical solution of the embodiment of the present invention.Obviously, described embodiment is of the invention
A part of the embodiment, instead of all the embodiments.Based on described the embodiment of the present invention, those of ordinary skill in the art
Every other embodiment obtained, shall fall within the protection scope of the present invention under the premise of being not necessarily to creative work.
Embodiment there is provided a kind of embodiments of overload protection method according to the present invention, it should be noted that attached
The step of process of figure illustrates can execute in a computer system such as a set of computer executable instructions, though also,
So logical order is shown in flow charts, but in some cases, it can be to be different from shown by sequence execution herein
Or the step of description.
Method implementation provided by the application mode can be in mobile terminal, terminal or similar operation
It is executed in device (such as ECU (Electronic Control Unit, electronic control unit)).To run on computer terminals
For, Fig. 1 is the hardware block diagram of the terminal of the overload protection method of embodiment according to the present invention.Such as Fig. 1 institute
Show, terminal 100 may include that (processor 101 may include one or more (one is only shown in figure) processors 101
But it is not limited to central processor CPU, image processor GPU, digital signal processor DSP, Micro-processor MCV or programmable logic
The processing unit of device FPGA etc.), the input/output interface 102 for being interacted with user, memory for storing data
103 and for communication function transmitting device 104.It will appreciated by the skilled person that structure shown in FIG. 1 is only
For signal, the structure of above-mentioned electronic device is not caused to limit.For example, terminal 100 may also include than institute in Fig. 1
Show more perhaps less component or with the configuration different from shown in Fig. 1.
Memory 103 can be used for storing the software program and module of application software, such as the mistake in embodiment of the present invention
Carry the corresponding program instruction/module of guard method, processor 101 by software program that operation is stored in memory 103 with
And module realizes above-mentioned overload protection method thereby executing various function application and data processing.Memory 103 can
Including high speed random access memory, may also include nonvolatile memory, as one or more magnetic storage device, flash memory or
Other non-volatile solid state memories of person.In some instances, memory 103 can further comprise remote relative to processor 101
The memory of journey setting, these remote memories can pass through network connection to terminal 100.The example packet of above-mentioned network
Include but be not limited to internet, intranet, local area network, mobile radio communication and combinations thereof.
Transmitting device 104 is used to that data to be received or sent via a network.Above-mentioned network specific example may include
The internet that the communication providers of terminal 100 provide.
Under above-mentioned running environment, the present invention provides overload protection methods as shown in Figure 2.This method can be applied
In server, executed by the processor in server.At least one application program, embodiment party of the present invention are installed in server
The type of formula not defining application, can be system class application program, or software class application program.
First embodiment
Fig. 2 shows the flow charts of overload protection method 200 according to an embodiment of the present invention.
As shown in Fig. 2, the specific process flow of this method is as described below:
S210, the arrival time that request to be processed reaches server is obtained；
S220, when the difference of arrival time and the current time of server are equal, add up current time request to be processed
The first number of request；
S230, when the first accumulative number of request is more than predetermined threshold, refusal handles request to be processed.
Hereafter, terminate this process.
According to one embodiment of present invention, server can be physical machine and/or operate in the virtual machine in physical machine,
Wherein, above-mentioned physical machine includes but is not limited to: micro computer, minicomputer, medium-sized machine, mainframe, giant computer or other can dispose
The physical equipment of website.
Specifically, the overload protection arrangement in server executes overload protection method to each request from client,
When the request from client reaches server, overload protection arrangement obtains the time that the request reaches server, and overload is protected
Protection unit compares the server current time that the arrival time of request stores in overload protection arrangement, wherein being used as one
Example, the unit that arrival time and current time can be set is the second, and numerical value is integer, and it is complicated to can reduce calculating in this way
Degree.
When the arrival time of request is equal with the server current time of storage, to received to be processed in current time
Request sum is accumulative to add one.Judge whether accumulative number of request has been more than the predetermined threshold of triggering overload later, if add up
Number of request has been more than predetermined threshold, then server received request to be processed after current time refusal processing is more than threshold value.It can
To understand, predetermined threshold can be configured according to the performance of server, can be 50 for the threshold range of small server
It is requested to 500, for example, 100,250,300 or 450 etc., 500 to 5000 can be for the threshold range of medium-and-large-sized server
A request, for example, 750,1000,2000,2500,3000,4000 or 4500 etc..Server can using handling flexibly mode come
Refusal processing request, such as the request of triggering overload is abandoned, the mode that the present embodiment does not handle request to be processed to refusal carries out
It limits, it will be understood that refusal processing request can also be determined whether using other modes, the present embodiment does not limit this equally
It is fixed.If accumulative number of request has been not above predetermined threshold, server continues with request to be processed in current time.
Since the time is constantly to promote, when the difference of the arrival time of request to be processed and current time is a unit
Between, such as at one second, then the server current time of storage is true relative to server for overload protection arrangement
Time-lag one second, and the sum of its accumulative request to be processed is the sum of upper one second, in this case, overload protection
Device needs for server current time to be updated to the arrival time of request, then to the total of the request to be processed of upper one second of storage
Several respective records synchronizes update, and finally the sum by the request to be processed of current time is updated to one.
When the difference of the arrival time of request to be processed and current time is greater than such as one second unit time, overload protection
Device needs for server current time to be updated to the arrival time of request, then more by the sum of the request to be processed of upper one second
It is newly zero, the sum of the request to be processed of current time is updated to one.
Optionally, the method for the present embodiment further includes query service device in upper one second pressure condition.It is overloaded by inquiry
The sum of the request to be processed of upper one second stored in protective device can obtain one second on server number of request to be processed,
It can be with the overload situations of monitoring server according to the number of request.
In conclusion method provided in this embodiment, computation complexity when being judged by reducing overload, to reduce
The consumption of the computing resource of CPU effectively mitigates server stress especially in the critical overload of server.
Each method embodiment of the invention can be realized in a manner of software, hardware, firmware etc..Regardless of the present invention be with
Software, hardware or firmware mode realize that instruction code may be stored in any kind of computer-accessible memory
In (such as permanent perhaps revisable volatibility is perhaps non-volatile solid or non-solid, it is fixed or
The replaceable medium etc. of person).Equally, memory may, for example, be programmable logic array (Programmable Array
Logic, referred to as " PAL "), random access memory (Random Access Memory, referred to as " RAM "), it may be programmed read-only deposit
Reservoir (Programmable Read Only Memory, referred to as " PROM "), read-only memory (Read-Only Memory, letter
Claim " ROM "), electrically erasable programmable read-only memory (Electrically Erasable Programmable ROM, referred to as
" EEPROM "), disk, CD, digital versatile disc (Digital Versatile Disc, referred to as " DVD ") etc..
Second embodiment
Fig. 3 is the schematic block diagram of overload protection arrangement 300 according to an embodiment of the present invention.The device is above-mentioned for executing
Method flow, comprising:
Module 310 is obtained, the arrival time of server is reached for obtaining request to be processed；
Accumulation module 320 is requested, for when the difference of arrival time and the current time of server are equal, when adding up current
Between request to be processed the first number of request；
Request processing module 330, for when the first accumulative number of request is more than predetermined threshold, refusal processing is to be processed to be asked
It asks.
In one example, request accumulation module 320 can be also used for when the difference of arrival time and current time is one second,
Second number of request is updated to the first number of request, current time is updated to arrival time, and updating the first number of request is 1.
Request accumulation module 320 can be also used for asking when the difference of arrival time and current time is greater than one second by first
Number is asked to be updated to 1, the second number of request is updated to 0, and current time is updated to arrival time.
As an optional embodiment, overload protection arrangement 300 can also include an enquiry module, ask for inquiring second
Ask several, to obtain one second on server number of request.
It should be noted that overload protection arrangement 300 corresponds to the overload protection arrangement in the above method, wherein obtain
Module 310, request accumulation module 320, request processing module 330 and enquiry module can be configured as executing method 200
Middle corresponding operation, movement and process are omitted herein to these operations, movement and the description of process.
In conclusion computation complexity when overload protection arrangement of the invention is judged by reducing overload, to reduce
The consumption of the computing resource of CPU effectively mitigates server stress especially in the critical overload of server.
Further, according to another embodiment of the present invention, a kind of non-volatile memory medium is also provided, this is non-volatile
Storage medium has the instruction being stored therein, and when the instruction is performed, so that processor executes overload protection method, this refers to
Order includes: the arrival time for obtaining request to be processed and reaching server；When the difference phase of arrival time and the current time of server
Whens equal, add up the first number of request of the request to be processed of current time；When the first accumulative number of request is more than predetermined threshold, refuse
Request to be processed is handled absolutely.
Further, the instruction further includes, when the difference of arrival time and current time is one second, more by the second number of request
Newly it is the first number of request, current time is updated to arrival time, and updating the first number of request is 1.
Further, the instruction further includes, when the difference of arrival time and current time is greater than one second, by the first number of request
It is updated to 1, the second number of request is updated to 0, and current time is updated to arrival time.
Further, according to another embodiment of the present invention, a kind of equipment, including memory are also provided, calculating is stored with
Machine executable instruction, processor, processor are configured as executing instruction to implement the process of overload protection, which includes: to obtain
Request to be processed is taken to reach the arrival time of server；When the difference of arrival time and the current time of server are equal, add up
First number of request of the request to be processed of current time；When the first accumulative number of request is more than predetermined threshold, refusal processing to
Processing request.
Further, which further includes, when the difference of arrival time and current time is one second, more by the second number of request
Newly it is the first number of request, current time is updated to arrival time, and updating the first number of request is 1.
Further, which further includes, when the difference of arrival time and current time is greater than one second, by the first number of request
It is updated to 1, the second number of request is updated to 0, and current time is updated to arrival time.
In the instructions provided here, numerous specific details are set forth.It is to be appreciated, however, that implementation of the invention
Example can be practiced without these specific details.In some instances, well known method, structure is not been shown in detail
And technology, so as not to obscure the understanding of this specification.
Similarly, it should be understood that in order to simplify the present invention and help to understand one or more of the various inventive aspects,
Above in the description of exemplary embodiment of the present invention, each feature of the invention is grouped together into single implementation sometimes
In example, figure or descriptions thereof.However, the disclosed method should not be interpreted as reflecting the following intention: i.e. required to protect
Shield the present invention claims features more more than feature expressly recited in each claim.More precisely, such as right
As claim reflects, inventive aspect is all features less than single embodiment disclosed above.Therefore, it then follows tool
Thus claims of body embodiment are expressly incorporated in the specific embodiment, wherein each claim conduct itself
Separate embodiments of the invention.
Those skilled in the art will understand that can be carried out adaptively to the module in the equipment in embodiment
Change and they are arranged in one or more devices different from this embodiment.It can be the module or list in embodiment
Member or component are combined into a module or unit or component, and furthermore they can be divided into multiple submodule or subelement or
Sub-component.Other than such feature and/or at least some of process or unit exclude each other, it can use any
Combination is to all features disclosed in this specification (including adjoint claim, abstract and attached drawing) and so disclosed
All process or units of what method or apparatus are combined.Unless expressly stated otherwise, this specification is (including adjoint power
Benefit requires, abstract and attached drawing) disclosed in each feature can be by providing identical, equivalent, or similar purpose alternative features come generation
It replaces.
In addition, it will be appreciated by those of skill in the art that although some embodiments described herein include other embodiments
In included certain features rather than other feature, but the combination of the feature of different embodiments mean it is of the invention
Within the scope of and form different embodiments.For example, in detail in the claims, embodiment claimed it is one of any
Can in any combination mode come using.
It should be noted that the above-mentioned embodiments illustrate rather than limit the invention, and ability
Field technique personnel can be designed alternative embodiment without departing from the scope of the appended claims.In the claims,
Any reference symbol between parentheses should not be configured to limitations on claims.Word "comprising" does not exclude the presence of not
Element or step listed in the claims.Word "a" or "an" located in front of the element does not exclude the presence of multiple such
Element.The present invention can be by means of including the hardware of several different elements and by means of properly programmed first terminal equipment
To realize.In the unit claim for listing several terminal devices, several in these terminal devices, which can be, to be passed through
Same hardware branch embodies.The use of word first, second, and third does not indicate any sequence.It can be by these
Word is construed to title.
Although disclosed herein various aspects and embodiment, other aspects and embodiment are for those skilled in the art
For will be apparent.Various aspects and embodiment disclosed herein are for illustrative purposes, and are not intended to be limited, very
Real range should be indicated by the full scope for the equivalent that appended claims and such claim are authorized to.Also
It is appreciated that term used herein is merely to for the purpose of describing particular embodiments, and it is not intended to be limited.
Claims (10)
1. a kind of overload protection method characterized by comprising
Obtain the arrival time that request to be processed reaches server；
When the difference of the arrival time and the current time of the server are equal, add up the described wait locate of the current time
Manage the first number of request of request；
When accumulative first number of request is more than predetermined threshold, refusal handles the request to be processed.
2. overload protection method according to claim 1, which is characterized in that when the arrival time and the current time
Difference be one second when, the second number of request is updated to first number of request, when the current time is updated to the arrival
Between, and updating first number of request is 1.
3. overload protection method according to claim 2, which is characterized in that when the arrival time and the current time
Difference when being greater than one second, first number of request is updated to 1, second number of request is updated to 0, and will be described current when
Between be updated to the arrival time.
4. overload protection method according to claim 3, which is characterized in that the method further includes described in inquiry
Second number of request, to obtain one second on server number of request.
5. a kind of overload protection arrangement characterized by comprising
Module is obtained, the arrival time of server is reached for obtaining request to be processed；
Accumulation module is requested, it is described for adding up when the difference of the arrival time and the current time of the server are equal
First number of request of the request to be processed of current time；
Request processing module, for when accumulative first number of request is more than predetermined threshold, refusal processing to be described to be processed
Request.
6. overload protection arrangement according to claim 5, which is characterized in that the request accumulation module, for when described
When the difference of arrival time and the current time is one second, the second number of request is updated to first number of request, is worked as by described in
The preceding time is updated to the arrival time, and updating first number of request is 1.
7. overload protection arrangement according to claim 6, which is characterized in that the request accumulation module, for when described
When the difference of arrival time and the current time is greater than one second, first number of request is updated to 1, second number of request is more
New is 0, and the current time is updated to the arrival time.
8. overload protection arrangement according to claim 7, which is characterized in that described device further comprises enquiry module,
For inquiring second number of request, to obtain one second on server number of request.
9. a kind of non-volatile memory medium, which has the instruction being stored therein, and works as described instruction
It is performed, so that processor executes overload protection method, described instruction includes:
Obtain the arrival time that request to be processed reaches server；
When the difference of the arrival time and the current time of the server are equal, add up the described wait locate of the current time
Manage the first number of request of request；
When accumulative first number of request is more than predetermined threshold, refusal handles the request to be processed.
10. a kind of equipment, including memory are stored with computer executable instructions, processor, the processor is configured to holding
To implement the process of overload protection, the process includes: row described instruction
Obtain the arrival time that request to be processed reaches server；
When the difference of the arrival time and the current time of the server are equal, add up the described wait locate of the current time
Manage the first number of request of request；
When accumulative first number of request is more than predetermined threshold, refusal handles the request to be processed.
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