CN109032654A - The method and apparatus of configuration parameter, server and storage medium in the server - Google Patents
The method and apparatus of configuration parameter, server and storage medium in the server Download PDFInfo
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- CN109032654A CN109032654A CN201710430401.4A CN201710430401A CN109032654A CN 109032654 A CN109032654 A CN 109032654A CN 201710430401 A CN201710430401 A CN 201710430401A CN 109032654 A CN109032654 A CN 109032654A
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- expression formula
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- configuration parameter
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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
- G06F9/44505—Configuring for program initiating, e.g. using registry, configuration files
- G06F9/4451—User profiles; Roaming
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F8/00—Arrangements for software engineering
- G06F8/60—Software deployment
- G06F8/65—Updates
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F8/00—Arrangements for software engineering
- G06F8/70—Software maintenance or management
- G06F8/71—Version control; Configuration management
Abstract
Present disclose provides a kind of methods for configuration parameter in the server, comprising: receives the first expression formula of input；It parses and executes the first expression formula with configuration parameter；If run succeeded, first expression formula is stored to cache server via network；And the second expression formula is obtained from cache server via network, it parses and executes second expression formula with configuration parameter.The disclosure realizes multiple servers one modification of distributed system, the function of the more dynamic modification system configurations to come into force.
Description
Technical field
This disclosure relates to Internet technical field, and in particular to for configuration parameter in the server method and apparatus,
Server and storage medium.
Background technique
In general, a Web system during developing operation, has the configuration text that a support system operates normally
Part.Database address, interface IP address of interaction needed for not only containing system operation in configuration file etc., possibly incorporates also
The switch of control system program torsion and the default parameter value of some other influence system.It, may during system operation
It will appear and need the case where modifying system configuration.Such as some page does permission control, only allows specific personnel to access, permission
Control by the way that the name of these personnel is configured in configuration file, when personnel change, need to modify in configuration file
Relevant configuration.
In the implementation of the present invention, inventor has found that the prior art at least has the following technical problems.
A kind of prior art directly modifies corresponding parameter value in configuration file, then restarts system.But if on line
Have and cover different server groupings (for example, the corresponding server room of a grouping, one configuration of a grouping) more, needs
Corresponding configuration is successively modified, system is successively restarted.
Another prior art then relies on an external system, and parameter value is configured to this external system in advance, owns
Server timing obtains the value of the parameters such as switch from this external system.However, it is desirable to be configured in external system in advance well originally
Parameter needed for system, and need to configure corresponding parameter in the present system to receive the value in external system, if necessary to new
The parameters such as pass are increased, external system only needs a newly-increased configuration, but this system needs to modify coding also to receive external system
The value of the parameter configured.If external system goes wrong, it is likely to result in the parameter value for needing to update in this system not
It can timely update.
Summary of the invention
In view of this, it is desirable to provide it is a kind of independent of external system can dynamic configuration parameters in the server skill
Art scheme.
According to the disclosure in a first aspect, providing a kind of method for configuration parameter in the server, comprising: receive
First expression formula of input；It parses and executes the first expression formula with configuration parameter；It, will via network if parsing and running succeeded
First expression formula is stored to cache server；And the second expression formula is obtained from cache server via network, parsing is simultaneously
Second expression formula is executed with configuration parameter.
In one embodiment, simultaneously executable expressions may include: to be extracted from expression formula according to character string rule for parsing
The type of the format and execution object that execute object, and be based at least partially on expression formula carrys out configuration parameter.
In one embodiment, the cache server is key-value cache server.The method can also include by institute
The storage of the first expression formula is stated to the assignment key of the key-value cache server, and the expired time of the assignment key is set.
In one embodiment, the method can also include obtaining the second expression from cache server according to gap periods
Formula, the expired time that the gap periods depend on as second expression formula setting, for example, the expired time is greater than or waits
In the gap periods, and less than or equal to twice of the gap periods, so that server can only execute in gap periods
Expression formula.
According to the second aspect of the disclosure, a kind of device for configuration parameter in the server is provided, comprising: input
Unit is configured as receiving the first expression formula of input；First resolution executing is configured as parsing and executing the first expression
Formula is with configuration parameter；Release unit stores first expression formula via network if being configured as parsing and run succeeded
To cache server；And acquiring unit, it is configured as obtaining the second expression formula from cache server via network；Second parsing
Execution unit is configured as parsing and executing second expression formula with configuration parameter.
In one embodiment, each of the first resolution executing and the second resolution executing can also be matched
It is set to: being extracted from expression formula according to character string rule and execute object, and be based at least partially on the format of expression formula and hold
The type of row object carrys out configuration parameter.
In one embodiment, the cache server can be key-value cache server.The release unit can be with
It is configured as the assignment key stored the first expression formula to the key-value cache server, and the expired of the assignment key is set
Time.
In one embodiment, the acquiring unit can be additionally configured to obtain according to gap periods from cache server
Second expression formula, the expired time that the gap periods depend on as second expression formula setting, for example, expired time is greater than
Or it is equal to the gap periods, and be less than or equal to twice of the gap periods, so that server only meeting in gap periods
Execute an expression formula.
According to the third aspect of the disclosure, a kind of server is provided, comprising: one or more processors；Storage device,
For storing one or more programs, wherein when one or more of programs are executed by one or more of processors, make
Obtain the method for one or more of processors realizations as described in relation to the first aspect.
According to the fourth aspect of the disclosure, a kind of computer readable storage medium is provided, is stored on the storage medium
There is computer instruction, the computer instruction is executed by processor, so that the processor executes side as described in relation to the first aspect
Method.
The disclosure will input in the case where not needing to restart system also not dependent on external system and successfully parsing held
Capable expression formula is published to the cache server on network, and the expression issued from caching other servers of server sync
Formula realizes multiple servers one modification of distributed system, the function of the more dynamic modification system configurations to come into force.
Detailed description of the invention
By referring to the drawings to the description of the embodiment of the present disclosure, the above-mentioned and other purposes of the disclosure, feature and
Advantage will be apparent from, in the accompanying drawings:
Fig. 1 shows the example of the distributed system including multiple servers according to the embodiment of the present disclosure；
Parameter is executed Fig. 2 shows the reception according to the embodiment of the present disclosure and is published to the signal of the method for cache server
Flow chart；
Fig. 3, which is shown, obtains the method for executing parameter and parsing execution via cache server according to the embodiment of the present disclosure
Schematic flow diagram；
Fig. 4 shows the schematic block diagram according to an embodiment of the present invention for the device of configuration parameter in the server.
Fig. 5 shows the schematic flow diagram according to the parsing of the embodiment of the present disclosure and the process of executable expressions；And
Fig. 6 shows the structural schematic diagram for being suitable for use in the computer system for realizing the embodiment of the present disclosure.
Specific embodiment
Hereinafter, will be described with reference to the accompanying drawings embodiment of the disclosure.However, it should be understood that these descriptions are only exemplary
, and it is not intended to limit the scope of the present disclosure.In addition, in the following description, descriptions of well-known structures and technologies are omitted, with
Avoid unnecessarily obscuring the concept of the disclosure.
Term as used herein is not intended to limit the disclosure just for the sake of description specific embodiment.Used here as
Word " one ", " one (kind) " and "the" etc. also should include " multiple ", " a variety of " the meaning, unless in addition context clearly refers to
Out.In addition, the terms "include", "comprise" as used herein etc. show the presence of the feature, step, operation and/or component,
But it is not excluded that in the presence of or add other one or more features, step, operation or component.
There are all terms (including technical and scientific term) as used herein those skilled in the art to be generally understood
Meaning, unless otherwise defined.It should be noted that term used herein should be interpreted that with consistent with the context of this specification
Meaning, without that should be explained with idealization or excessively mechanical mode.
Shown in the drawings of some block diagrams and/or flow chart.It should be understood that some sides in block diagram and/or flow chart
Frame or combinations thereof can be realized by computer program instructions.These computer program instructions can be supplied to general purpose computer,
The processor of special purpose computer or other programmable data processing units, so that these instructions are when executed by this processor can be with
Creation is for realizing function/operation device illustrated in these block diagrams and/or flow chart.
According to the embodiment of the present disclosure, can be added on each server of distributed system for realizing the disclosure in advance
One unified interface receives in the interface and executes parameter, and executing parameter can be inputted and be resolved in the form of expression formula.
If Parameter analysis of electrochemical correctly if parameter encapsulated, parsed parameter is executed by server.If run succeeded, show corresponding
Execution parameter it is available, the parameter received can be added to caching (such as Redis) by server, and the execution parameter of input is same
Walk other servers.Therefore, each of distributed system server can also be obtained from caching and be connect by other servers
The execution parameter received and executed, so as to dynamically modify system configuration.
Fig. 1 shows the example of the distributed system 100 including multiple servers according to the embodiment of the present disclosure.
As shown in Figure 1, distributed system 100 may include multiple servers 101,102,103,104 and buffer service
Device 105.Server 101,102,103,104 can be communicated via network with cache server 105, for example, taking to caching
Business device 105, which sends to execute parameter and/or receive from cache server 105, executes parameter.The network to server 101,
102, the medium of communication link is provided between 103,104 and cache server 105, and may include various connection types, such as
Wired, wireless communication link or fiber optic cables etc..
Server 101 to 104 can be to provide the server of various services, such as be browsed to user using terminal device
Shopping class website provide support back-stage management server.Back-stage management server can be to the information query received
The data such as request analyze etc. processing, and instead by processing result (such as target push information, product information -- merely illustrative)
It feeds terminal device.
Cache server 105 may include the memory for storing various data informations, such as various volatibility or non-volatile
Property memory.The data information stored is, for example, the currently used system configuration of each server 101 to 104, executes ginseng
Number etc..As shown in Figure 1, server 101 to 104 can synchronize execution parameter by server 105, it is described in detail below.
In one embodiment, cache server 105 may include Redis caching, and a kind of this open source is compiled using ANSI C
Write, support network, can based on memory also can persistence log type, Key-Value (key-value) cache server.
It should be noted that various methods provided by the embodiment of the present disclosure can generally be held by server 101 to 104
Row, corresponding device generally can be set in server 101 to 104.
It should be understood that the number of server and cache server in Fig. 1 is only schematical.According to realize needs,
It can have any number of server and cache server.
Parameter is executed Fig. 2 shows the reception according to the embodiment of the present disclosure and is published to the method 200 of cache server
Schematic flow diagram.This method can execute at server (for example, above-mentioned server 101 to 104).
In step 201, front-end interface, which receives, executes parameter.For example, user can be at the interface of seeking unity of action that system provides
In, the parameter to be executed is inputted, for example inputted with the form of expression formula.In the disclosure, executing parameter and expression formula be can be interchanged
It uses.
In step 202, parsing executes parameter.When server receives the parameter with expression formula form to be executed,
It can carry out analytic parameter format according to character string rule, parameter is packaged to (hereinafter reference will be made to the drawings 5 in detail if correct
Description), interface directly gives corresponding prompt if incorrect.
In step 203, parsing result is executed.Server is according to the parsing result of step 202, after internal execute encapsulation
Parameter, that is to say, that modify the configuration parameter of server.
In step 204, synchronization caching.After step 203 execution, then ginseng can be executed by what is be passed in interface via network
Number is cached to an assignment key (key) of for example above-mentioned cache server 105 (such as Redis caching) of cache server, and can
Think that expired time is arranged in this key.Therefore, the execution parameter that step 204 will input is via Web Publishing to buffer service
Device.If step 203 executes failure, interface provides corresponding prompt.In one embodiment, the assignment key can also refer to
Determine one in the server (for example, above-mentioned server 101 to 104) of distributed system (for example, above-mentioned distributed system 100)
Sub-server, so that the only available expression formula for being cached to the assignment key of these servers.
In step 205, interface returns implementing result.That is, showing the implementing result that server returns.
By above method 200, each of distributed system server can receive the execution parameter of input, and
Parsing and after executing, will execute the parameter synchronization system that can obtain and modify them to cache server so as to other servers
Configuration.The processing of other servers execution is described below.
Fig. 3, which is shown, obtains the method for executing parameter and parsing execution via cache server according to the embodiment of the present disclosure
300 schematic flow diagram.
In step 301, opening timing task.Server Command Line Parsing and the executing parameter of the task.The gap periods of configuration
The expired time (such as the expired time for the assignment key being arranged in step 204) that set execution parameter can be referred to, makes
An expression formula can only be executed within this period by obtaining server.
In step 302, obtains and execute parameter.Parameter assignment key is executed for example, obtaining via network from cache server
Value.If this value is sky, illustrate the parameter for not needing the server to execute.
In step 303, parsing executes parameter.Whether server is correct according to rule parsing parameter format.If correct
The step of parameter is packaged, is no longer executed below if incorrect.
Parameter after step 304, server execute encapsulation, that is to say, that the system configuration of server is modified, in this Fig. 2
Step 203 it is equivalent.
It should be noted that each of distributed system server can carry out the above method 200 and 300, and
And method 200 and 300 can be executed in each server with random order or parallel mode.Therefore, each server can
To receive to entered by himself parameter and the parameter uploaded by other servers obtained from cache server, and based on these ginsengs
Number is dynamically to modify system configuration.
Fig. 4 shows the schematic block diagram according to an embodiment of the present invention for the device 400 of configuration parameter in the server.
Device 400 may include input unit 410, the first resolution executing 420, release unit 430, acquiring unit
440 and second resolution executing 450.Wherein, input unit 410, the first resolution unit 420 and release unit 430 can be with
Expression formula for receiving input can carry out dynamic configuration to system parameter by expression formula, can be with if configuration successful
The expression formula of input is published on network, such as storage is into cache server, so as to by its in entire distributed system
His server obtains the expression formula to carry out Dynamical parameter configuration.
Specifically, input unit 410 is configured as receiving the first expression formula of input；First resolution executing, 420 quilt
It is configured to parse and execute the first expression formula with configuration parameter；If release unit 430 is configured as running succeeded, via network
By first expression formula storage to cache server.
Acquiring unit 440 and the second resolution executing 450 in device 400, which can then be used, has obtained other servers
Parameter (be distributed to cache server, expression formula form) of the success being locally configured configures the server where itself.Tool
Body, acquiring unit 440, which can be configured as, obtains the second expression formula from cache server via network；Second parsing executes list
Member 450 is configured as parsing and executing second expression formula with configuration parameter.
It should be noted that the first resolution executing 420 and the second resolution executing 440 can execute it is substantially similar
Processing.In one embodiment, each of the first resolution executing 420 and the second resolution executing 440 go back quilt
Be configured that extracted from expression formula according to character string rule execute object, and be based at least partially on expression formula format and
The type for executing object carrys out configuration parameter.
In one embodiment, the cache server is key-value cache server.Release unit 430 can also be matched
It is set to the assignment key of the first expression formula storage to the key-value cache server, and the expired time of the assignment key is set.
In one embodiment, the acquiring unit 430 can be additionally configured to according to gap periods from cache server
Obtain the second expression formula, the expired time that gap periods depend on as second expression formula setting, for example, expired time is greater than
Or it is equal to gap periods, and be less than or equal to twice of gap periods.
Fig. 5 shows the schematic flow diagram according to the parsing of the embodiment of the present disclosure and the process 500 of executable expressions.Process
500 can for example execute in above-mentioned steps 202 and 203 and step 303 and 304.Process 500 is with Spring Development Framework
Example describes parsing and executable expressions, and but the invention is not restricted to this.
Firstly, in step 501, according to execution parameter expression (for example, inputting from interface or being obtained from cache server
Take) format, configure the rule of some character strings to parse the last object bean for executing parameter configuration.
For example, for # { systemConstant.setPermissionSwitchOn (false) } this expression formula, according to
Going out to execute the bean of parameter configuration according to character string rule parsing is systemConstant.For another example for # { validPerson
[1] } this expression formula, the bean parsed are validPerson.Then corresponding name can be taken out in Spring container
bean.If not provided, providing corresponding prompt, can directly return.
Secondly, in step 502, whether " [] " is contained according to expression formula and distinguishes processing, because " [] " is generally used for marking
Show subscript (index).Then the value of " [] " is parsed, corresponding lower target value can be obtained according to the type of bean.For example, working as
When expression formula contains " [] ", can in step 503, determine Bean whether be a Collection type object, if so,
Then can further step 504 determine Bean whether be a List or Map type object.If it is pair of List type
As then, according to the subscript (index) parsed in " [] ", the result of list.get (index) can be returned in step 505.
If it is the object of Map type, then value can be parsed in step 506, return to the result of map.get (value).
It should be noted that if determining that Bean is not a Collection object in step 503, or in step
504 determine Bean neither Map is also not List object, then proceed to step 507, construct Spel executing rule and environment, and
Executing rule.Specifically, the name that the parameter entirely inputted is removed to bean, the execution parameter as Spel expression formula.Example
Such as, # { systemConstant.setPermissionSwitchOn (false) } this expression formula, corresponding Spel after parsing
Expression formula is # { setPermissionSwitchOn (false) }.It is then possible to construct the execution context of bean, it is passed to
Spel expression formula after the above parsing, finally obtains implementing result, is shown for example, returning it into interface.
Return step 502, if it is determined that when not containing " [] " in expression formula, proceed to step 508, check in expression formula
Whether containing the format for being directly # { bean }.If so, directly returning to this bean in step 509.If it is not, then same advance
To step 507, Spel executing rule and environment, executing rule are constructed.
As shown in figure 5, server is the dynamic for completing system parameter after executing step 505,506,507 and 509
Configuration, at this moment can return to interface and be shown, for example, step 205 shown in Fig. 2.
Below with reference to Fig. 6, it illustrates be suitable for use in the structural representation for realizing the computer system 600 of the embodiment of the present disclosure
Figure.Computer system shown in Fig. 6 is only an example, should not function to the embodiment of the present disclosure and use scope bring and appoint
What is limited.
As shown in fig. 6, computer system 600 includes central processing unit (CPU) 601, it can be read-only according to being stored in
Program in memory (ROM) 602 or be loaded into the program in random access storage device (RAM) 603 from storage section 608 and
Execute various movements appropriate and processing.In RAM 603, also it is stored with system 600 and operates required various programs and data.
CPU 601, ROM 602 and RAM 603 are connected with each other by bus 604.Input/output (I/O) interface 605 is also connected to always
Line 604.
I/O interface 605 is connected to lower component: the importation 606 including keyboard, mouse etc.；It is penetrated including such as cathode
The output par, c 607 of spool (CRT), liquid crystal display (LCD) etc. and loudspeaker etc.；Storage section 608 including hard disk etc.；
And the communications portion 609 of the network interface card including LAN card, modem etc..Communications portion 609 via such as because
The network of spy's net executes communication process.Driver 610 is also connected to I/O interface 605 as needed.Detachable media 611, such as
Disk, CD, magneto-optic disk, semiconductor memory etc. are mounted on as needed on driver 610, in order to read from thereon
Computer program be mounted into storage section 608 as needed.
Particularly, in accordance with an embodiment of the present disclosure, it may be implemented as computer above with reference to the process of flow chart description
Software program.For example, embodiment of the disclosure includes a kind of computer program product comprising be carried on computer-readable medium
On computer program, which includes the program code for method shown in execution flow chart.In such reality
It applies in example, which can be downloaded and installed from network by communications portion 609, and/or from detachable media
611 are mounted.When the computer program is executed by central processing unit (CPU) 601, executes and limited in the system of the disclosure
Above-mentioned function.
It should be noted that computer-readable medium described herein can be computer-readable signal media or meter
Calculation machine readable storage medium storing program for executing either the two any combination.Computer readable storage medium for example can be --- but not
Be limited to --- electricity, magnetic, optical, electromagnetic, infrared ray or semiconductor system, device or device, or any above combination.Meter
The more specific example of calculation machine readable storage medium storing program for executing can include but is not limited to: have the electrical connection, just of one or more conducting wires
Taking formula computer disk, hard disk, random access storage device (RAM), read-only memory (ROM), erasable type may be programmed read-only storage
Device (EPROM or flash memory), optical fiber, portable compact disc read-only memory (CD-ROM), light storage device, magnetic memory device,
Or above-mentioned any appropriate combination.In this application, computer readable storage medium can be it is any include or storage journey
The tangible medium of sequence, the program can be commanded execution system, device or device use or in connection.And at this
In application, computer-readable signal media may include in a base band or as carrier wave a part propagate data-signal,
Wherein carry computer-readable program code.The data-signal of this propagation can take various forms, including but unlimited
In electromagnetic signal, optical signal or above-mentioned any appropriate combination.Computer-readable signal media can also be that computer can
Any computer-readable medium other than storage medium is read, which can send, propagates or transmit and be used for
By the use of instruction execution system, device or device or program in connection.Include on computer-readable medium
Program code can transmit with any suitable medium, including but not limited to: wireless, electric wire, optical cable, RF etc. are above-mentioned
Any appropriate combination.
Flow chart and block diagram in attached drawing are illustrated according to the system of the various embodiments of the application, method and computer journey
The architecture, function and operation in the cards of sequence product.In this regard, each box in flowchart or block diagram can generation
A part of one module, program segment or code of table, a part of above-mentioned module, program segment or code include one or more
Executable instruction for implementing the specified logical function.It should also be noted that in some implementations as replacements, institute in box
The function of mark can also occur in a different order than that indicated in the drawings.For example, two boxes succeedingly indicated are practical
On can be basically executed in parallel, they can also be executed in the opposite order sometimes, and this depends on the function involved.Also it wants
It is noted that the combination of each box in block diagram or flow chart and the box in block diagram or flow chart, can use and execute rule
The dedicated hardware based systems of fixed functions or operations is realized, or can use the group of specialized hardware and computer instruction
It closes to realize.
As on the other hand, the disclosure additionally provides a kind of computer-readable medium, which can be
Included in equipment described in above-described embodiment；It is also possible to individualism, and without in the supplying equipment.Above-mentioned calculating
Machine readable medium carries one or more program, when said one or multiple programs are executed by the equipment, makes
The equipment executes and describes either method in above-described embodiment.
Embodiment of the disclosure is described above.But the purpose that these embodiments are merely to illustrate that, and
It is not intended to limit the scope of the present disclosure.Although respectively describing each embodiment above, but it is not intended that each reality
Use cannot be advantageously combined by applying the measure in example.The scope of the present disclosure is defined by the appended claims and the equivalents thereof.It does not take off
From the scope of the present disclosure, those skilled in the art can make a variety of alternatives and modifications, these alternatives and modifications should all fall in this
Within scope of disclosure.
Claims (14)
1. a kind of method for configuration parameter in the server, comprising:
Receive the first expression formula of input；
It parses and executes the first expression formula with configuration parameter；
If parsing and running succeeded, first expression formula is stored to cache server via network；And
The second expression formula is obtained from cache server via network,
It parses and executes second expression formula with configuration parameter.
2. according to the method described in claim 1, wherein, parsing and executable expressions including:
It is extracted from expression formula according to character string rule and executes object, and be based at least partially on format and the execution of expression formula
The type of object carrys out configuration parameter.
3. according to the method described in claim 1, wherein, the cache server is key-value cache server.
4. according to the method described in claim 3, further including by first expression formula storage to the key-value cache server
Assignment key, and the expired time of the assignment key is set.
5. according to the method described in claim 1, further including obtaining the second expression formula, institute from cache server according to gap periods
It states gap periods and depends on the expired time being arranged for second expression formula.
6. according to the method described in claim 5, wherein, the expired time is greater than or equal to the gap periods, and is less than
Or twice equal to the gap periods.
7. a kind of device for configuration parameter in the server, comprising:
Input unit is configured as receiving the first expression formula of input；
First resolution executing is configured as parsing and executing the first expression formula with configuration parameter；
First expression formula is stored to caching via network and is taken if being configured as parsing and run succeeded by release unit
Business device；And
Acquiring unit is configured as obtaining the second expression formula from cache server via network,
Second resolution executing is configured as parsing and executing second expression formula with configuration parameter.
8. device according to claim 7, wherein first resolution executing and second resolution executing
Each of be also configured to
It is extracted from expression formula according to character string rule and executes object, and be based at least partially on format and the execution of expression formula
The type of object carrys out configuration parameter.
9. device according to claim 7, wherein the cache server is key-value cache server.
10. device according to claim 9, wherein the release unit is additionally configured to arrive the first expression formula storage
The assignment key of the key-value cache server, and the expired time of the assignment key is set.
11. device according to claim 7, wherein the acquiring unit is additionally configured to according to gap periods from caching
Server obtains the second expression formula, the expired time that the gap periods depend on as second expression formula setting.
12. device according to claim 11, wherein the expired time is greater than or equal to the gap periods, and small
In or equal to twice of the gap periods.
13. a kind of server, comprising:
One or more processors；
Storage device, for storing one or more programs,
Wherein, when one or more of programs are executed by one or more of processors, so that one or more of places
It manages device and realizes such as method described in any one of claims 1 to 6.
14. a kind of computer readable storage medium, computer instruction, the meter are stored on the computer readable storage medium
When the instruction of calculation machine is executed by processor, so that the processor executes such as method described in any one of claims 1 to 6.
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| CN113282274A (en) * | 2020-02-20 | 2021-08-20 | 北京京东振世信息技术有限公司 | Data processing method and device |
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