CN113065034A - Distributed system number generation method and system - Google Patents
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Abstract
The embodiment of the application relates to the technical field of computers, in particular to a distributed system number generation method and a distributed system number generation system, aiming at ensuring effective management of a distributed system number, ensuring continuity of the distributed system number and effectively increasing the number utilization rate. The method is applied to a distributed system, the system comprises a numbering management server and a numbering request client, and the method comprises the following steps: responding to a first request sent by the number management server when the number management server is started, and generating numbers in a descending order until the number of the generated numbers reaches a first preset number; sending the generated numbers with the first preset number to the number management server; responding to the number using request sent by the number requesting client, and determining the numbers of corresponding number from the corresponding number management server according to the sequence of the numbers from small to large; and sending the number of the corresponding number to the number request client through the number management server.
Description
Technical Field
The embodiment of the application relates to the technical field of computers, in particular to a distributed system number generation method and system.
Background
A distributed system is a software system built on top of a network, in which a set of independent computers appear to a user as a unified whole, as if it were a system. The system has various general physical and logical resources, can dynamically allocate tasks, and realizes information exchange by the dispersed physical and logical resources through a computer network. There is a distributed operating system in the system that manages computer resources in a global manner. Typically, a distributed system has only one model or paradigm for a user. There is a layer of software middleware above the operating system that is responsible for implementing this model. Numbering of distributed systems is a necessary condition for controlling distributed systems, in the prior art, a commonly adopted numbering mode is a self-increment sequence, the method uses a plurality of database instances to set different step sizes to generate numbers by utilizing self-increment keys provided by the databases, another mode is to use UUID, the method generates a combination of 32-bit letters and numbers as the numbers, and a snowflake algorithm generates codes in a fixed format, and the format comprises parts such as machine codes, time stamps and serial numbers.
In the prior art, only the numbers of the distributed system are simply generated, the numbers cannot be recycled, the numbers cannot be managed, and the generated numbers do not have continuity.
Disclosure of Invention
The embodiment of the application provides a distributed number generation method and a distributed number generation system, and aims to ensure effective management of a distributed system number, ensure continuity of the distributed system number and effectively increase the number utilization rate.
A first aspect of the embodiments of the present application provides a method for generating a distributed system number, where the method includes:
responding to a first request sent by the number management server when the number management server is started, and generating numbers in a descending order until the number of the generated numbers reaches a first preset number;
sending the generated numbers with the first preset number to the number management server;
responding to the number using request sent by the number requesting client, and determining the numbers of corresponding number from the corresponding number management server according to the sequence of the numbers from small to large;
and sending the number of the corresponding number to the number request client through the number management server.
Optionally, the method further comprises:
detecting the number of the numbers which are not issued to the number request client in the number management server in real time;
and when the number of the serial numbers which are not issued to the serial number request client is smaller than the first preset number, supplementing serial numbers of a second preset number into the serial number management server so as to enable the number of the serial numbers in the serial number management server to reach the first preset number.
Optionally, the method further comprises:
recycling unused numbers sent by the number request client at intervals of a preset time period;
storing the unused number to the number pool server;
and the unused number stored in the number pool server is used as the number to be issued to the number request client.
Optionally, every other preset time period, recycling an unused number sent by the number requesting client, where the method for determining an unused number includes:
sending a number inquiry request to a service system in the number request client, wherein the number inquiry request is used for inquiring whether the service system has an unused number;
and when a number recovery request fed back by the service system for the number inquiry request is received, determining that the number request client has an unused number.
Optionally, every other preset time period, recycling an unused number sent by the number requesting client, where the method for determining an unused number further includes:
determining the distributed number which is issued to the number request client by the number management server;
comparing the distributed number issued to the number request client with the number currently used on the number request client to obtain a comparison result;
and when the comparison result represents that the unused number exists in the distributed numbers issued to the number request client, determining that the number request client has the unused number.
Optionally, the number using request carries an identifier of a service system using the number, and the number of the corresponding number is sent to the number requesting client, where the method further includes:
establishing an association relation between the numbers with the corresponding quantity and the identification of the service system;
and saving the association relation.
A second aspect of the embodiments of the present application provides a distributed system number generation system, where the system includes a number management server and a number request client, where the number management server includes a number pool server and at least one number management server, the number request client includes a host, the host is provided with an agent and a service system, and the number of the hosts is set according to the number of the service systems; the system is adapted to perform the method of any of claims 1-7.
By adopting the method for generating the serial number of the distributed system, when the serial number management server receives the serial number using request sent by the serial number requesting client, the serial number management server sends the serial numbers corresponding to the serial number using request in the serial number management server to the serial number requesting client according to the sequence from small to large, and the serial number using request is used by the serial number requesting client. The number management server sends a first request to a number pool server in the number management server side when the number management server is started, the number pool server generates system numbers from large to small until the number of the generated numbers reaches a first preset number, and the generated numbers are sent to the number management server. In addition, in each preset time period, the numbering request client can periodically inquire whether the service system has an unused number, and after the unused number is determined, the unused number is stored in the numbering pool server and is used as the number to be issued to the numbering request client. The serial number using request sent by the serial number request client to the serial number management server carries the identification of the service system using the serial number, and the serial number management server establishes the association relation between the serial number and the service system according to the identification and stores the association relation. The distributed system number generation method provided by the application recycles the sent unused number, improves the number utilization rate, establishes the association relationship between the number and the service system, can facilitate the management and tracking of the number, ensures the continuity of the number and enhances the readability of the number, and the number sent from the number management server is continuous.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the description of the embodiments of the present application will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of a distributed system number generation system according to an embodiment of the present application;
fig. 2 is a flowchart of a distributed system number generation method according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a distributed system number generation system according to an embodiment of the present application. As shown in fig. 1, the system includes a number management server and a number request client, where the number management server is provided with a number pool server and a number management server, the number request client is provided with a host, and the host includes an agent and a service system.
The numbering pool server is used for creating a number, issuing the number to the number management server and managing the received number. The numbering management server is provided with a numbering pool server, and the numbering pool server sequentially generates positive integer numbers according to the sequence from small to large, so that repeated numbers cannot be generated.
The number management server is used for requesting a certain number of numbers from the number pool, storing the requested numbers in the number management server, and distributing the numbers with the corresponding number to the number request client when the number request client sends a number use request. The number management server is a stateless server and can horizontally expand to provide service for a plurality of servers and a number request client at the same time. The number management server side at least comprises one number management server, and any number of number management servers can be arranged according to needs.
The agent is software deployed on a host of the numbering request client, and is used for sending a numbering use request to a numbering management server of the numbering management server and sending a number issued by the numbering management server to the service system for use by the service system. The agent also periodically asks the business system whether there are no more numbers that are used, and when it is determined that there are no more numbers that are used, the numbers are fed back to the number management server.
The service system is arranged on the host of the numbering request client, and an interface is arranged on the service system and used for interacting with the agent. The service system is a system for executing specific services, and the types of the services are not limited herein, such as logistics services, banking services, online conference services, and the like.
And the host requests the client side at the number for operating the agent and the service system. The number of hosts in the numbering request client may be multiple, and is specifically set according to the number of the service systems, and the specific number of hosts may be determined according to an actual situation, and is not specifically limited herein. For example, there are 6 service systems in total, and there may be 6 hosts on each of which one service system is deployed, or there may be 3 hosts on each of which 2 service systems are deployed.
Referring to fig. 2, fig. 2 is a flowchart of a distributed system number generation method according to an embodiment of the present application. As shown in fig. 2, the method comprises the steps of:
s21: and responding to a first request sent by the number management server when the number management server is started, and generating numbers in a descending order until the number of the generated numbers reaches a first preset number.
In this embodiment, the number management server sends a first request to the number pool server when the number management server is started, where the request is used to request the number pool server for a first preset number of numbers, and the first preset number may be set by itself. And after receiving the first request, the numbering pool server generates numbers in a descending order, and stops generating the numbers after generating the numbers of the first preset number.
When a plurality of number management servers are started in the number management server side, the number management servers simultaneously send first requests to the number pool server, and the number pool server sequentially generates numbers corresponding to the requests according to the sequence from small to large.
Illustratively, when the number of the number management servers is 1, the number management server sends a first request to the number pool server when starting, and the first request requires to obtain 150 numbers, then the number pool server generates the numbers 1 to 150 after receiving the first request. When the number of the number management servers is 3, the three number management servers simultaneously send a first request to the number pool server, and when 150 numbers are required to be acquired, the number pool server generates numbers 1-150.
S22: and sending the generated first preset number of numbers to the number management server.
In this embodiment, after the numbering pool server determines the numbers of the first preset number, the determined numbers are sent to the number management server, and the number management server stores the numbers in the memory.
Illustratively, when the number of the number management servers is 1, the number pool server transmits the determined 300 numbers to the number management server. When the number of the number management servers is 3, the number pool server sends the numbers 1-50 to the number management server 1, sends the numbers 51-100 to the number management server 2, and sends the numbers 101-150 to the number management server 3.
S23: and in response to the number using request sent by the number requesting client, determining a corresponding number of numbers from the corresponding number management server according to the sequence of the numbers from small to large.
In this embodiment, the number using request is sent by an agent in the host on the number requesting client, and is used to request a certain number of numbers. The number of requests is the system number, which is a positive integer.
In the numbering request client, when a business system needs numbering, a numbering use request is sent to an agent in the same host to ask for numbering, the agent sends the numbering use request to a numbering management server after receiving the numbering use request, and the numbering management server determines the numbering of corresponding quantity according to the number of the requested numbering in the request from small to large after receiving the numbering use request. The number of requests by the service system at a time is determined according to the number of new services. When a plurality of number management servers are arranged in the number management server, the agent sends a number use request to one of the number management servers.
Illustratively, a certain logistics company adopts a distributed system to manage company business, in a warehouse management business system, 20 new goods are added in a warehouse, and a number needs to be given to each goods, at this time, the warehouse management business system sends a number use request to an agent in the same host, the request includes information requesting to use 20 numbers, the agent sends the number use request to a number management server after receiving the number use request, it is assumed that a number management server is provided with 3 number management servers, the numbers in the 3 number management servers are consecutive, the number in the number management server 1 is 1-100, the number in the number management server 2 is 101-200, and the number in the number management server 3 is 201-300. agent randomly sends a number use request to one of the number management servers, if the number management server 1 receives the number use request, the determined number is 1-20, if the number management server 2 receives the number use request, the determined number is 101-120, and if the number management server 3 receives the number use request, the determined number is 201-220.
S24: and sending the number of the corresponding number to the number request client through the number management server.
In this embodiment, after determining the number of the corresponding number according to the number use request, the number management server sends the determined number to the agent, and the agent sends the obtained number to the service system.
For example, the warehouse management business system in S23, after the number management server 1 determines the numbers 1 to 20, sends the numbers to the agent in the host of the number request client, and the agent sends the numbers to the warehouse management business system, where the warehouse management business system sequentially numbers the newly added 20 goods as 1 to 20.
In another embodiment of the present application, the method further comprises the steps of:
s31: and detecting the number of the numbers which are not issued to the number request client in the number management server in real time.
S32: and when the number of the serial numbers which are not issued to the serial number request client is smaller than the first preset number, supplementing serial numbers of a second preset number into the serial number management server so as to enable the number of the serial numbers in the serial number management server to reach the first preset number.
In this embodiment, a threshold is set in advance for the number of serial numbers stored in the serial number management server, where the threshold is a first preset number, and when it is detected that the number of serial numbers not issued to the serial number request client is smaller than the first preset number, the serial number management server sends a request for obtaining a second preset number of serial numbers to the serial number pool server, where the second preset number is equal to the number obtained by subtracting the number actually remaining in the serial number management server from the first preset number, and after receiving the request, the serial number pool server creates serial numbers of the second preset number in descending order, and the created serial numbers are consecutive to the number of the serial number issued before. And sending the created numbers with the second preset number to the number management server, so as to ensure the dynamic stability of the number of the numbers stored in the number management server. The number threshold value can also be set to other values larger than zero, and when the number which is not sent to the numbering request client side is detected to be smaller than the threshold value, the number is supplemented.
Illustratively, a preset threshold value of the numbers stored in the number management server is set to be 100, the numbers stored in the number management server are set to be 1-100, the number management server issues 50 numbers to the number request client after receiving the number use request of the number request client, the remaining numbers in the memory are 51-100, at this time, the number management server detects that the stored numbers are lower than the preset threshold value, then the number management server requests 50 numbers to the number pool server, the number pool server creates 50 numbers of 101 and 150, and sends the newly created numbers to the number management server, and the numbers stored in the number management server are 51-150, so that the preset threshold value is met.
In another embodiment of the present application, the method further comprises the following steps:
s41: and recycling the unused number sent by the number request client at intervals of a preset time period.
In this embodiment, in order to manage and recover the numbers issued to the number request client, the number management server in the number management server first recovers the unused numbers sent by the number request client every other preset time period, and the preset time period may be set by itself, which is not limited herein.
In this embodiment, determining whether there is a number that is no longer used is divided into the following two cases:
s41-1-1: and sending a number inquiry request to a service system in the number request client, wherein the number inquiry request is used for inquiring whether the service system has an unused number.
S41-1-2: and when a number recovery request fed back by the service system for the number inquiry request is received, determining that the number request client has an unused number.
In this embodiment, an agent in the numbering request client sends a numbering inquiry request to the service system every other preset time period to inquire whether the service system has a number that is not used, and the service system feeds back whether the number that is not used is present to the agent.
Illustratively, in the warehouse management business system, goods with numbers of 5,6,9 and 10 stored in the warehouse are lifted away, the numbers of 5,6,9 and 10 are not associated with the goods and belong to unused numbers, when an agent inquires about the business system, the business system feeds back the numbers of 5,6,9 and 10 to the agent, the agent sends the numbers fed back by the business system to the number management server, and the number management server determines that the numbers which are not used in the number request client are 5,6,9 and 10.
In another case, after the service system sends a number use request to the agent, the number issued by the number management server is obtained, which may not be used due to downtime or other reasons, and is not used due to a failure that is not recorded, and in order to prevent this, the embodiment further performs the following steps:
s41-2-1: and determining the distributed number which is issued to the number request client by the number management server.
In this embodiment, the number management server records the number that has been issued to the number request client, and the agent determines, every other preset time period, the number that has been issued to the number request client by the number management server and is allocated to the current service system from the number management server.
S41-2-2: and comparing the distributed number issued to the number request client with the currently used number on the number request client to obtain a comparison result.
In this embodiment, after determining all the numbers allocated to the current service system from the number management server, the agent queries the service system whether the numbers are in use, the service system feeds back the use conditions of the numbers to the agent, and the agent obtains the numbers which are not in use through comparison.
S41-2-3: and when the comparison result represents that the unused number exists in the distributed numbers issued to the number request client, determining that the number request client has the unused number.
In this embodiment, after the agent obtains the unused numbers fed back by the service system, all the unused numbers are sent to the number management server, and the number management server determines the unused numbers.
Illustratively, in the warehouse management service system, when a new cargo is added, the service system receives the numbers 12 and 13 issued by the number management server, but the host fails, the received numbers are not timely associated with the cargo, after the host fails, the numbers 14 and 15 issued by the number management server are received again, and the numbers 14 and 15 of the new cargo and the numbers 12 and 13 become unused numbers. The agent obtains the issued number from the number management server, the issued number is 1-15, the agent inquires the service system about the number use condition, the service system feeds back the numbers 1-12,14 and 15 in use, the agent finds that the numbers 12 and 13 are not used through comparison, the numbers 12 and 13 are sent to the number management server, and the number management server determines that the numbers 12 and 13 are not used.
S42: storing the unused number to the number pool server.
And the unused number stored in the number pool server is used as the number to be issued to the number request client.
In this embodiment, after receiving the unused number fed back by the number request client, the number management server stores the unused number in the number pool server as a number to be issued, and when the number management server sends the number use request next time, preferentially issues the received number to be used.
Illustratively, the number management server sends the numbers 12 and 13 to the number pool server to be stored as the numbers to be issued after receiving that the numbers 12 and 13 are not used. When the number management server responds to a request sent by a number request client and sends 10 numbers, and the number in the number management server is 10 numbers different from a preset threshold, the number management server sends the request to a number pool server, wants to acquire 10 numbers from the number pool server, the number pool server already has 12 and 13 numbers, sequentially generates 8 numbers according to the sequence from small to large, and sends the existing 12 and 13 numbers and the newly generated 8 numbers to the number management server.
In another embodiment of the present application, the number using request carries an identifier of a service system using a number, and after a preset number of numbers are sent to the number requesting client, the method further includes the following steps:
s51: and establishing the association relation between the numbers with the corresponding quantity and the identification of the service system.
In this embodiment, the identifier of the service system includes an IP address, a name, an operating system number, and the like of the service system, when the agent sends a number use request to the number management server, the number use request carries identifier information of the service system, and when the number management server receives the number use request, the number management server receives the identifier of the service system requesting the number. And the number management server establishes the association relationship between the number issued this time and the service system requesting the number according to the identifier.
S52: and saving the association relation.
In this embodiment, after the association relationship between the serial number and the service system is established, the serial number management server feeds back the information to the serial number pool server, and the serial number pool server records the association relationship, thereby realizing the forward tracking of the serial number.
Illustratively, in a warehouse management business system, 10 new goods are added in a warehouse, the business system sends a numbering use request to an agent to number the 10 new goods, wherein the numbering use request carries information such as an IP address and an operating system name of the warehouse management business system, the agent sends the request to a numbering management server, the numbering management server associates the 10 numbers with the warehouse management business system while issuing the 10 numbers, and can be marked as a "number 20-30 (warehouse management business system)", the association relation is sent to a numbering pool server, and the numbering pool server records the association relation information to realize tracking of the number 20-30.
According to the method for generating the serial number of the distributed system, the generated serial number has uniqueness and orderliness, the tracking and management of the serial number are realized, the serial number which is not used any more can be recycled, the utilization rate of the serial number is increased, the serial number has final continuity, the serial number tends to be continuous on the whole, the management is facilitated, and the readability of the serial number is increased. The agent and the service system are deployed on the host together, so that the working efficiency of the service system is effectively improved, and the pressure of the number management server is reduced.
The embodiments in the present specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, apparatus, or computer program product. Accordingly, embodiments of the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, embodiments of the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
Embodiments of the present application are described with reference to flowchart illustrations and/or block diagrams of methods, terminal devices (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing terminal to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing terminal, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing terminal to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing terminal to cause a series of operational steps to be performed on the computer or other programmable terminal to produce a computer implemented process such that the instructions which execute on the computer or other programmable terminal provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While preferred embodiments of the present application have been described, additional variations and modifications of these embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the true scope of the embodiments of the application.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or terminal that comprises the element.
The above detailed description is given to a distributed number generation method and system provided by the present application, and a specific example is applied in the present application to explain the principle and the implementation of the present application, and the description of the above embodiment is only used to help understand the method and the core idea of the present application; meanwhile, for a person skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (7)
1. A distributed system number generation method is applied to a distributed system, the system comprises a number management server and a number request client, and the method comprises the following steps:
responding to a first request sent by the number management server when the number management server is started, and generating numbers in a descending order until the number of the generated numbers reaches a first preset number;
sending the generated numbers with the first preset number to the number management server;
responding to the number using request sent by the number requesting client, and determining the numbers of corresponding number from the corresponding number management server according to the sequence of the numbers from small to large;
and sending the number of the corresponding number to the number request client through the number management server.
2. The method of claim 1, further comprising:
detecting the number of the numbers which are not issued to the number request client in the number management server in real time;
and when the number of the serial numbers which are not issued to the serial number request client is smaller than the first preset number, supplementing serial numbers of a second preset number into the serial number management server so as to enable the number of the serial numbers in the serial number management server to reach the first preset number.
3. The method of claim 1, further comprising:
recycling unused numbers sent by the number request client at intervals of a preset time period;
storing the unused number to the number pool server;
and the unused number stored in the number pool server is used as the number to be issued to the number request client.
4. The method according to claim 3, wherein the unused number sent by the number requesting client is recycled every other preset time period, and the unused number is determined by a method comprising:
sending a number inquiry request to a service system in the number request client, wherein the number inquiry request is used for inquiring whether the service system has an unused number;
and when a number recovery request fed back by the service system for the number inquiry request is received, determining that the number request client has an unused number.
5. The method according to claim 3, wherein the unused number sent by the number requesting client is recycled every other preset time period, and the method for determining the unused number further comprises:
determining the distributed number which is issued to the number request client by the number management server;
comparing the distributed number issued to the number request client with the number currently used on the number request client to obtain a comparison result;
and when the comparison result represents that the unused number exists in the numbers issued to the number request client, determining that the number request client has the unused number.
6. The method of claim 1, wherein the numbering use request carries an identifier of a service system using the numbering, and the corresponding number of numbering is sent to the numbering request client, and the method further comprises:
establishing an association relation between the numbers with the corresponding quantity and the identification of the service system;
and saving the association relation.
7. A distributed system number generation system is characterized by comprising a number management server and a number request client, wherein the number management server comprises a number pool server and at least one number management server, the number request client comprises a host, the host is provided with agent and service systems, and the number of the host is set according to the number of the service systems; the system is adapted to perform the method of any of claims 1-7.
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