CN109189856B - Distributed database service management method, device, server and storage medium - Google Patents
Distributed database service management method, device, server and storage medium Download PDFInfo
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Abstract
The application provides a distributed database service management method, a device, a server and a storage medium, wherein the method comprises the following steps: the database server receives a first starting instruction; and the database server is started according to the first starting instruction, and registers one or more pieces of service address information to the central server so that the service server acquires the service address information from the central server, wherein the service address information comprises a service identifier and a service partition identifier corresponding to the service identifier. The separation of the database layer and the service layer is realized, so that the capacity expansion and maintenance of the database layer are more convenient. The problem of the waste of database connection caused by the fact that a service layer is directly connected with a database in the prior art is solved, and the usability and the manageability of the database layer are improved.
Description
Technical Field
The present application relates to the field of database technologies, and in particular, to a distributed database service management method, apparatus, server, and storage medium.
Background
With the rapid development of the internet technology, the database technology becomes an indispensable member in the internet development process, and the realization of various business services is necessarily accompanied with the database operation, so that the management of the database has an important influence on the realization of the business services. At present, applications related to data operations in an IT system architecture generally manage a database connection pool in a container or manage database connections in a business system, and a certain number of database connections are initialized to ensure normal use of business when a service is started in the database connection mode.
With the continuous expansion of services and the development of users, a database with higher capacity needs to be provided, and the concurrency capability of the system is improved in the prior art by a transverse capacity expansion mode.
However, the initialized database connection pool is also increased continuously due to the increase of the number of system service services, once the maximum number of connections supported by the database is reached or exceeded, new connections cannot be created, and the requirement of service expansion is seriously influenced. Therefore, how to effectively manage the database becomes an important problem to be solved urgently.
Disclosure of Invention
The application provides a distributed database service management method, a distributed database service management device, a server and a storage medium, which aim to overcome the defects of overlarge database connection quantity, low management efficiency and the like in the prior art.
A first aspect of the present application provides a distributed database service management method, including:
the database server receives a first starting instruction;
and the database server is started according to the first starting instruction, and registers one or more pieces of service address information to a central server so that the service server acquires the service address information from the central server, wherein the service address information comprises a service identifier and a service partition identifier corresponding to the service identifier.
A second aspect of the present application provides a distributed database service management method, including:
a service server receives a service request sent by a terminal, wherein the service request comprises service identification information;
the service server acquires target service address information corresponding to the service identification information from a central server according to the service request, wherein the target service address information comprises a target service identification and a target service partition identification corresponding to the target service identification;
the service server generates a service request according to the target service address information, wherein the service request comprises the target service address information and a corresponding service instruction to be executed;
and the service server sends the service request to a database server so that the database server performs corresponding processing according to the service request.
A third aspect of the present application provides a distributed database service management apparatus, including:
the first receiving module is used for receiving a first starting instruction by the database server;
the first starting module is used for starting the database server according to the first starting instruction;
the first processing module is used for registering one or more pieces of service address information to a central server by the database server so that a service server acquires the service address information from the central server, wherein the service address information comprises a service identifier and a service partition identifier corresponding to the service identifier.
A fourth aspect of the present application provides a distributed database service management apparatus, including:
a second receiving module, configured to receive, by a service server, a service request sent by a terminal, where the service request includes service identification information;
the acquisition module is used for acquiring target service address information corresponding to the service identification information from a central server by the service server according to the service request, wherein the target service address information comprises a target service identification and a target service partition identification corresponding to the target service identification;
the second processing module is used for generating a service request by the service server according to the target service address information, wherein the service request comprises the target service address information and a corresponding service instruction to be executed;
and the sending module is used for sending the service request to a database server by the service server so as to enable the database server to perform corresponding processing according to the service request.
A fifth aspect of the present application provides a server comprising: at least one processor and memory;
the memory stores a computer program; the at least one processor executes the computer program stored by the memory to implement the method provided by the first aspect.
A sixth aspect of the present application provides a server, comprising: at least one processor and memory;
the memory stores a computer program; the processor executes the computer program stored in the memory to implement the method provided by the second aspect.
A seventh aspect of the present application provides a computer-readable storage medium having stored thereon a computer program which, when executed, implements the method provided by the first aspect.
An eighth aspect of the present application provides a computer-readable storage medium having stored thereon a computer program which, when executed, implements the method provided by the second aspect.
According to the distributed database service management method, the distributed database service management device, the server and the storage medium, when the database server is started, the service address information of one or more services which are distributed and set is registered to the central server, so that the service server obtains the service address information from the central server, database operation is achieved through the service corresponding to the service address information, separation of a database layer and a service layer is achieved, and capacity expansion and maintenance of the database layer are more convenient. The problem of the waste of database connection caused by the fact that a service layer is directly connected with a database in the prior art is solved, and the usability and the manageability of the database layer are improved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic flowchart of a distributed database service management method according to an embodiment of the present application;
fig. 2 is a schematic flowchart of a distributed database service management method according to another embodiment of the present application;
FIG. 3 is a flowchart illustrating a distributed database service management method according to yet another embodiment of the present application;
FIG. 4 is a flowchart illustrating a distributed database service management method according to another embodiment of the present application;
fig. 5 is a schematic structural diagram of a distributed database service management apparatus according to an embodiment of the present application;
fig. 6 is a schematic structural diagram of a distributed database service management apparatus according to another embodiment of the present application;
fig. 7 is a schematic structural diagram of a server according to an embodiment of the present application;
fig. 8 is a schematic structural diagram of a server according to another embodiment of the present application;
fig. 9 is a schematic structural diagram of a distributed database service management system according to an embodiment of the present application.
With the above figures, there are shown specific embodiments of the present application, which will be described in more detail below. These drawings and written description are not intended to limit the scope of the disclosed concepts in any way, but rather to illustrate the concepts of the disclosure to those skilled in the art by reference to specific embodiments.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, 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 embodiments of the present application, but not all embodiments. 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.
The terms referred to in this application are explained first:
service: the database operation system is a functional module in a database server for executing a service instruction to be executed and realizing operations such as storage, update, query, deletion and the like of a database, and is also called as a database service. A database server may include a number of services and partition the services into service partitions. Each service partition corresponds to one database, that is, for one service partition, the service in the service partition is connected with the specified database to realize the operation on the database. Different service partitions may correspond to different databases. The service instruction to be executed may be a database operation instruction such as a query instruction, a delete instruction, an update instruction, and a store instruction. The service instruction to be executed may be, but is not limited to, an SQL (Structured Query Language) instruction.
A service server: refers to a server for responding to a service request of a terminal, such as a traffic query service request, a telephone charge query service request, etc. sent by a user through the terminal.
A database server: the method is characterized in that a service partition mode is adopted in a database layer to provide database operation service for a business server.
The central server: the service address information registration center is a server which is positioned between the service server and the database server and is used as a service address information registration center, so that the database layer is separated from the service layer, and the capacity expansion and maintenance of the database layer are more convenient. The problem of the waste of database connection caused by the fact that a service layer is directly connected with a database in the prior art is solved, and the usability and the manageability of the database layer are improved.
Example one
The embodiment provides a distributed database service management method, which is used for managing database services. The execution subject of the present embodiment is a database server.
As shown in fig. 1, a schematic flow chart of a distributed database service management method provided in this embodiment is shown, where the method includes:
Specifically, a database server is provided with a plurality of services, and the services are partitioned into a plurality of service partitions. Each service partition corresponds to one database, that is, for one service partition, the service in the service partition is connected with the specified database to realize the operation on the database. Different service partitions may correspond to the same class of database or to different classes of databases.
When the database server is started each time, registering one or more pieces of service address information to the central server, where each piece of service address information corresponds to one service, and the service address information includes a service identifier of the service and a service partition identifier corresponding to the service identifier, and may also include identification information and address information of the database server, and in short, includes related information that enables the service server to access the database server, and the service identifier is identification information of the service, such as setting a name or setting an ID for each service, as long as one service can be uniquely identified. The service partition identifier is identification information of the service partition, for example, a name or an ID is set for each service partition, as long as one service partition can be uniquely identified.
Specifically, the database server may send a registration request to the central server, where the registration request includes service address information to be registered, and the central server stores the service address information after receiving the service address information, and establishes a corresponding relationship between the service address information and the service identification information according to a preset corresponding relationship between the service identification and the service identification information.
The preset corresponding relationship between the service identifier and the service identifier information may be pre-configured in the central server, so that the central server can know what services can be implemented by the service corresponding to each service identifier, and when the service server receives a service request sent by the terminal, the service server can obtain corresponding service address information from the central server according to the service identifier information in the service request.
Or, the service server may pull the registered service address information from the central server in the local cache in advance when starting, and when the service server receives the service request of the terminal, the service server may directly obtain the service address information corresponding to the service identification information from the local cache according to the service identification information included in the service request. In this case, optionally, when the service server pulls the service address information from the central server, the service server pulls the service identifier preconfigured in the central server and the corresponding relationship of the service identifier information together, and caches the service identifier and the corresponding relationship of the service identifier information locally, or the service server obtains the corresponding relationship of the service identifier and the service identifier information from the central server in advance, or the service server pre-configures the corresponding relationship of the service identifier and the service identifier information. The setting may be specifically performed according to actual requirements, and this embodiment is not limited.
After the database server registers the service address information of the service to the central server, the service server can acquire the service address information from the central server, and then access the database server according to the service address information, so that the database server calls the service corresponding to the service address information to execute database operation. The central server is arranged to realize the separation of the database layer and the service layer, so that the capacity expansion and maintenance of the database layer are more convenient. The problem of the waste of database connection caused by the fact that a service layer is directly connected with a database in the prior art is solved, and the usability and the manageability of the database layer are improved.
In the distributed database service management method provided by this embodiment, when the database server is started, the service address information of one or more services set in a distributed manner is registered in the central server, so that the service server obtains the service address information from the central server, thereby implementing database operation by a service corresponding to the service address information, implementing separation of the database layer and the service layer, and thus facilitating capacity expansion and maintenance of the database layer. The problem of the waste of database connection caused by the fact that a service layer is directly connected with a database in the prior art is solved, and the usability and the manageability of the database layer are improved.
Example two
This embodiment further supplements and explains the distributed database service management method provided in the first embodiment.
As shown in fig. 2, a schematic flow chart of the distributed database service management method provided in this embodiment is shown.
As a practical way, on the basis of the first embodiment, optionally after the step 102, the method may further include:
Specifically, after the service server obtains the service address information corresponding to the service identification information from the central server, the service server may generate a service request according to the service address information, where the service request includes target service address information (i.e., the service address information corresponding to the service identification information) and a corresponding service instruction to be executed. The service instruction to be executed is a service instruction corresponding to the service identification information, for example, a user sends a data traffic query request (including the service identification information) to a service server through a terminal, the service server obtains the service identification information included in the service traffic query request after receiving the service traffic query request, obtains a query instruction (service instruction to be executed) corresponding to the service identification information, and generates a service request according to the service address information (namely, target service address information) and the query instruction when obtaining service address information corresponding to the service identification information from a local cache or a central server according to the service identification information, and sends the service request to a database server, so that the database server calls the query instruction of a target service corresponding to the service address information, and queries corresponding data from a database connected to the target service.
The service instruction to be executed may be pre-configured in the service server, and a corresponding relationship between the service instruction to be executed and the service identification information is pre-established.
Optionally, one service identifier may correspond to multiple service identifiers, and because the database server provides a database operation service in a micro-service manner, a service request may require multiple services to be executed together to obtain a service execution result satisfying the service request. That is, the service request may include one piece of target service address information and a corresponding to-be-executed service instruction, or may include a plurality of pieces of target service address information and to-be-executed service instructions corresponding to each piece of target service address information.
And 104, the database server calls the target service corresponding to the target service identifier from the target service partition corresponding to the target service partition identifier, so that the target service executes the service instruction to be executed, and obtains a service execution result.
Specifically, after receiving the service request, the database server obtains target service address information and a service instruction to be executed from the service request, searches for a target service corresponding to the target service identifier in a target service partition corresponding to the target service partition identifier according to the target service address information, and calls the target service to execute the service instruction to be executed after finding the target service, thereby realizing corresponding database operation.
And 105, the database server sends the service execution result to the service server so that the service server performs corresponding processing according to the service execution result.
Specifically, after obtaining the service execution result, the database server sends the service execution result to the service server, and the service server performs corresponding processing according to the service execution result and returns a corresponding service request result to the terminal. The process of the service server responding to the service request of the terminal according to the service execution result is the prior art, and is not described herein again.
As another implementable manner, on the basis of the first embodiment, optionally, the method may further include:
in step 201, a database server obtains received service request information that has not been responded currently, where the service request information includes one or more service requests.
Step 202, the database server determines the target services to be added and the corresponding target quantity to be added according to the service request information and the preset rule.
Step 203, the database server adds the target services of the target number in the target service partition where the target services are located.
In step 204, the database server registers the added service address information of the target service to the central server.
Specifically, the database server may also monitor the condition of responding to the service request in real time or at regular time to determine whether the service currently provided can meet the requirement of the service request. In particular, the monitoring module may be configured to enable the database server to obtain, through the monitoring module, service request information that has been received but is not currently responded to, the service request information including one or more service requests. I.e. to obtain the queuing of the current service request.
After the database server obtains the service request information which is not responded currently, the database server can determine the target services to be added, namely the corresponding target quantity to be added according to a preset rule.
Optionally, whether the target service needs to be added or not may be determined according to a preset rule, and then the specific target service to be added, that is, the corresponding target number to be added, may be determined.
For example, the number of unresponsive service requests may be counted, the target service identifiers included in the service requests may be extracted, and the number of unresponsive service requests corresponding to each target service identifier may be counted. For each target service identifier, if the number of the unresponsive service requests corresponding to the target service identifier exceeds a preset threshold, determining that the number of the target services corresponding to the target service identifier needs to be increased. Optionally, a corresponding relationship between the number of the targets that need to be increased and a preset threshold may also be set, for example, if the number exceeds a first threshold, one target service needs to be increased, if the number exceeds a second threshold, two target services need to be increased, and so on, the number of the target services corresponding to the target service identifier that need to be increased is determined according to the number of the unresponsive service requests corresponding to the current target service identifier.
Optionally, different threshold ranges may be set for different target service identifiers, or a uniform threshold range may be set.
After determining each target service to be added and the corresponding target number, the database server may add the target services of the target number in the target service partition where each target service is located.
Exemplarily, the original 3 services in the database server are respectively a first service (corresponding to a first service identifier), a second service (corresponding to a second service identifier), and a third service (corresponding to a third service identifier), and if the number of currently unresponsive service requests is 15, where the first service identifier corresponds to 5, the second service identifier corresponds to 6, the third service identifier corresponds to 4, and the preset threshold is 5, that is, if the number of unresponsive service requests corresponding to a certain target service identifier exceeds 5, it is determined that a target service corresponding to the target service identifier needs to be added. The target services corresponding to the first service identifier and the second service identifier need to be increased.
If the preset threshold ranges are (5, 1), (10,2) and (15, 3), it indicates that if the number of unresponsive service requests corresponding to a certain target service identifier exceeds 5, one target service corresponding to the target service identifier needs to be added, and if the number of unresponsive service requests corresponding to the certain target service identifier exceeds 10,2 target services need to be added. The format of the preset threshold range may be any practicable format, and is only exemplary and not limiting. For example, (5-10,1), (11-15,2) may also be used, which indicates that if the number of unresponsive service requests corresponding to a certain target service identifier is between 5 and 10,1 target service corresponding to the target service identifier needs to be added.
After the database server adds the target services with the target number in the target service partition where the target services to be added are located, the database server can also register the service address information of the added target services to the central server, and the service address information is synchronously stored by the central server.
Optionally, for an added target service, the function of the added target service is actually the same as that of a target service used for determining whether to add, when the target service with the same function is added, in order to distinguish the added target service from the original target service, a new service identifier may be generated for the newly added target service, the service address information of the newly added target service is registered in the central server, meanwhile, the information that the service corresponding to the service identifier has the same function as the original target service is sent to the central server, and after the central server receives the service address information of the newly added target service and the information that has the same function as the original target service, the corresponding relationship between the new service identifier and the service identifier information is established according to the original target service identifier.
For example, 2 target services corresponding to the first service identifier need to be added, and if the first service corresponding to the first service identifier is in the first service partition, 2 services having the same function as the first service are added in the first service partition, and two new different service identifiers, such as the second service identifier and the third service identifier, may be generated for the 2 services respectively. And storing the corresponding relation between the first service identifier, the second service identifier, the third service identifier and the function (the first function), registering the service address information corresponding to the second service identifier and the third service identifier to the central server, and sending the corresponding relation between the first service identifier, the second service identifier, the third service identifier and the function (the first function) to the central server.
Optionally, if there are multiple services with the same function in the database server, when the database server receives a service request, it may determine, according to a current idle condition of the services with the same function, which service is called to execute a to-be-executed service instruction of the service request. In this case, the database server is pre-configured with the corresponding relationship between the service identifier and the function having the same function, so that the database server can query other service identifiers having the same function from the pre-configured corresponding relationship between the service identifier and the function according to the target service identifier in the service request after receiving the service request, and further invoke the corresponding service in a load balancing manner.
Optionally, the database server may further add a service with a new function, specifically, the service with the new function may be actively added to the database server by a manager through the terminal, and after the service with the new function is added to the database server, the database server registers the service address information of the service with the new function to the central server, so as to provide a new database operation service for the service server.
Optionally, after a new service is added, the new service needs to be connected to the database corresponding to the service partition where the new service is located.
Optionally, a new service partition may be added, and a new service may be added to the new service partition. And connecting each service in the new service partition to the database corresponding to the new service partition.
Optionally, a new database server may also be added. I.e. each central server may be connected to a plurality of service servers and to a plurality of database servers. When a plurality of database servers are connected, the identification information of the database servers needs to be included in the service address information. Address information of the database server, such as an IP address, may also be included.
It should be noted that the respective implementable modes in the present embodiment may be implemented individually, or may be implemented in combination in any combination without conflict, and the present application is not limited thereto.
In the distributed database service management method provided by this embodiment, when the database server is started, the service address information of one or more services set in a distributed manner is registered in the central server, so that the service server obtains the service address information from the central server, thereby implementing database operation by a service corresponding to the service address information, implementing separation of the database layer and the service layer, and thus facilitating capacity expansion and maintenance of the database layer. The problem of the waste of database connection caused by the fact that a service layer is directly connected with a database in the prior art is solved, and the usability and the manageability of the database layer are improved. And the database server can also monitor the current unresponsive service request information in real time or at regular time, and automatically expand the service partition needing to be expanded when the capacity is needed, so that the capacity expansion efficiency and convenience are improved.
EXAMPLE III
The embodiment provides a distributed database service management method, which is used for managing database services. The execution subject of this embodiment is a service server.
As shown in fig. 3, a schematic flow chart of a distributed database service management method provided in this embodiment is shown, where the method includes:
It should be noted that, in this embodiment, specific operations performed by the service server to perform each step have been described in detail in the embodiment (embodiment one or embodiment two) of the method performed by the database server interacting with the service server, and are not described herein again.
In the distributed database service management method provided by this embodiment, when the database server is started, the service address information of one or more services set in a distributed manner is registered in the central server, so that the service server obtains the service address information from the central server, thereby implementing database operation by a service corresponding to the service address information, implementing separation of the database layer and the service layer, and thus facilitating capacity expansion and maintenance of the database layer. The problem of the waste of database connection caused by the fact that a service layer is directly connected with a database in the prior art is solved, and the usability and the manageability of the database layer are improved.
Example four
The present embodiment further performs supplementary description on the distributed database service management method provided in the third embodiment.
As shown in fig. 4, a schematic flow chart of the distributed database service management method provided in this embodiment is shown.
As a practical manner, on the basis of the first embodiment, optionally, the method further includes:
in step 305, the service server receives a service execution result sent by the database server in response to the service request.
Specifically, after receiving the service execution result sent by the database server, the service server needs to perform corresponding processing on the service execution result, generate corresponding data responding to the service request of the terminal, and send the data to the terminal for display to the user.
Illustratively, when a user queries data traffic, the database server executes a service instruction to be executed according to a service request, queries data traffic information related to the user, returns the data traffic information to the service server, and the service server needs to sort and classify the data traffic information of the user, converts the data traffic information into response data which can be used by the terminal for display, and sends the response data to the terminal. The specific process of the service server responding to the terminal service request may be any implementable manner in the prior art, and is not described herein again.
Optionally, before the service server receives the service request sent by the terminal in step 301, the method further includes:
step 401, the service server receives a second starting instruction;
step 402, the service server starts according to the second starting instruction, pulls one or more service address information from the central server, and performs local cache;
correspondingly, after the service server receives the service request sent by the terminal in step 301, the method includes:
step 403, the service server obtains the destination service address information corresponding to the service identification information from the local cache according to the service request.
Specifically, the service server may pull the registered service address information from the central server in the local cache in advance when the service server is started, and when the service server receives the service request of the terminal, the service address information corresponding to the service identification information may be directly obtained from the local cache according to the service identification information included in the service request, thereby improving the efficiency of responding to the service request. In this case, optionally, when the service server pulls the service address information from the central server, the service server pulls the service identifier preconfigured in the central server and the corresponding relationship of the service identifier information together, and caches the service identifier and the corresponding relationship of the service identifier information locally, or the service server obtains the corresponding relationship of the service identifier and the service identifier information from the central server in advance, or the service server pre-configures the corresponding relationship of the service identifier and the service identifier information. The setting may be specifically performed according to actual requirements, and this embodiment is not limited.
Optionally, when the service server monitors that the service address information in the central server is updated, the service server pulls the updated service address information from the central server to update the local cache.
Specifically, the service server may also monitor the state of the service address information in the central server in real time or at regular time, and when the service server monitors that the service address information in the central server is updated, the service server pulls the updated service address information from the central server to update the local cache.
Optionally, the service server may be agreed with the central server, so that the central server actively sends the prompt message to the service server when the service address information of the central server is updated, so that the service server can obtain the state of the service address information in the central server.
Optionally, the service server may also send an inquiry message to the central server in real time or at regular time, to inquire whether the service address information of the central server is updated, and the central server may record the latest inquiry time of the service server, and when receiving the inquiry message sent by the service server again, determine whether the latest inquiry time is updated in the period of time according to the currently recorded latest inquiry time, and send the inquiry result to the service server.
It should be noted that, in this embodiment, specific operations performed by the service server to perform each step have been described in detail in the embodiment (embodiment one or embodiment two) of the method performed by the database server interacting with the service server, and are not described herein again.
It should be noted that the respective implementable modes in the present embodiment may be implemented individually, or may be implemented in combination in any combination without conflict, and the present application is not limited thereto.
In the distributed database service management method provided by this embodiment, when the database server is started, the service address information of one or more services set in a distributed manner is registered in the central server, so that the service server obtains the service address information from the central server, thereby implementing database operation by a service corresponding to the service address information, implementing separation of the database layer and the service layer, and thus facilitating capacity expansion and maintenance of the database layer. The problem of the waste of database connection caused by the fact that a service layer is directly connected with a database in the prior art is solved, and the usability and the manageability of the database layer are improved. And the service server can pull one or more service address information from the central server in advance for local caching when starting, so that when the service server receives a service request of the terminal, the service address information corresponding to the service identification information can be directly obtained from the local cache according to the service identification information included in the service request, and the efficiency of responding to the service request is improved. The service server can also monitor the update state of the service address information in the central server in real time and update the locally cached service address information in time, so that the accuracy of sending a service request to the database server by the service server is effectively ensured, and the problem that the service server cannot access the database server and further cannot respond to the service request of the user due to the change of the service address information in the database server is solved.
EXAMPLE five
The present embodiment provides a distributed database service management apparatus, configured to execute the method of the first embodiment.
As shown in fig. 5, a schematic structural diagram of the distributed database service management apparatus provided in this embodiment is shown. The distributed database service management apparatus 50 includes a first receiving module 51, a first starting module 52, and a first processing module 53.
The first receiving module 51 is configured to receive a first starting instruction by the database server; the first starting module 52 is used for starting the database server according to the first starting instruction; the first processing module 53 is configured to register, by the database server, one or more pieces of service address information with the central server, so that the service server obtains the service address information from the central server, where the service address information includes a service identifier and a service partition identifier corresponding to the service identifier.
The specific manner in which the respective modules perform operations has been described in detail in relation to the apparatus in this embodiment, and will not be elaborated upon here.
According to the distributed database service management device provided by the embodiment, when the database server is started, the service address information of one or more services in distributed setting is registered to the central server, so that the service server acquires the service address information from the central server, the database operation is realized through the service corresponding to the service address information, the separation of the database layer and the service layer is realized, and the capacity expansion and maintenance of the database layer are more convenient. The problem of the waste of database connection caused by the fact that a service layer is directly connected with a database in the prior art is solved, and the usability and the manageability of the database layer are improved.
EXAMPLE six
The present embodiment further supplements the apparatus provided in the fifth embodiment to perform the method provided in the second embodiment.
As an implementable manner, on the basis of the foregoing embodiment, optionally, the first receiving module is further configured to receive, by the database server, a service request sent by the service server, where the service request includes target service address information and a corresponding service instruction to be executed, and the target service address information includes a target service identifier and a target service partition identifier corresponding to the target service identifier; the first processing module is also used for the database server to call the target service corresponding to the target service identifier from the target service partition corresponding to the target service partition identifier, so that the target service executes the service instruction to be executed and obtains a service execution result; the first processing module is further used for the database server to send the service execution result to the service server, so that the service server performs corresponding processing according to the service execution result.
Optionally, the first processing module is further configured to:
the database server acquires received service request information which is not responded currently, wherein the service request information comprises one or more service requests; the database server determines target services to be added and the corresponding target quantity to be added according to the service request information and a preset rule; the database server increases target services of a target quantity in a target service partition where the target services are located; the database server registers the added service address information of the target service to the central server.
The specific manner in which the respective modules perform operations has been described in detail in relation to the apparatus in this embodiment, and will not be elaborated upon here.
It should be noted that the respective implementable modes in the present embodiment may be implemented individually, or may be implemented in combination in any combination without conflict, and the present application is not limited thereto.
According to the distributed database service management device of the embodiment, when the database server is started, the service address information of one or more services in distributed setting is registered to the central server, so that the service server acquires the service address information from the central server, the database operation is realized through the service corresponding to the service address information, the separation of the database layer and the service layer is realized, and the capacity expansion and maintenance of the database layer are more convenient. The problem of the waste of database connection caused by the fact that a service layer is directly connected with a database in the prior art is solved, and the usability and the manageability of the database layer are improved. And the database server can also monitor the current unresponsive service request information in real time or at regular time, and automatically expand the service partition needing to be expanded when the capacity is needed, so that the capacity expansion efficiency and convenience are improved.
EXAMPLE seven
The present embodiment provides a distributed database service management apparatus, configured to execute the method provided in the third embodiment.
As shown in fig. 6, a schematic structural diagram of the distributed database service management apparatus provided in this embodiment is shown. The distributed database service management apparatus 70 includes a second receiving module 71, an obtaining module 72, a second processing module 73, and a sending module 74.
The second receiving module 71 is configured to receive, by a service server, a service request sent by a terminal, where the service request includes service identification information; the obtaining module 72 is configured to, by the service server according to the service request, obtain, from the central server, target service address information corresponding to the service identifier information, where the target service address information includes a target service identifier and a target service partition identifier corresponding to the target service identifier; the second processing module 73 is configured to generate, by the service server, a service request according to the target service address information, where the service request includes the target service address information and a corresponding service instruction to be executed; the sending module 74 is configured to send the service request to the database server by the service server, so that the database server performs corresponding processing according to the service request.
The specific manner in which the respective modules perform operations has been described in detail in relation to the apparatus in this embodiment, and will not be elaborated upon here.
According to the distributed database service management device provided by the embodiment, when the database server is started, the service address information of one or more services in distributed setting is registered to the central server, so that the service server acquires the service address information from the central server, the database operation is realized through the service corresponding to the service address information, the separation of the database layer and the service layer is realized, and the capacity expansion and maintenance of the database layer are more convenient. The problem of the waste of database connection caused by the fact that a service layer is directly connected with a database in the prior art is solved, and the usability and the manageability of the database layer are improved.
Example eight
The present embodiment further supplements the apparatus provided in the seventh embodiment to perform the method provided in the fourth embodiment.
As an implementable manner, on the basis of the foregoing embodiment, optionally, the second receiving module is further configured to receive, by the business server, a service execution result sent by the database server in response to the service request; the second processing module is also used for generating response data responding to the terminal service request by the service server according to the service execution result; and the sending module is also used for sending the response data to the terminal by the service server so as to display the terminal to the user.
As another implementable manner, on the basis of the foregoing embodiment, optionally, the second receiving module is further configured to receive, by the service server, a second start instruction; the acquisition module is also used for starting the service server according to the second starting instruction, pulling one or more pieces of service address information from the central server and carrying out local cache; correspondingly, the obtaining module is further configured to obtain, by the service server, target service address information corresponding to the service identification information from the local cache according to the service request.
Optionally, the obtaining module is further configured to, when the service server monitors that the service address information in the central server is updated, pull the updated service address information from the central server, and update the local cache.
The specific manner in which the respective modules perform operations has been described in detail in relation to the apparatus in this embodiment, and will not be elaborated upon here.
It should be noted that the respective implementable modes in the present embodiment may be implemented individually, or may be implemented in combination in any combination without conflict, and the present application is not limited thereto.
The distributed database service management apparatus provided in this embodiment registers, when the database server is started, the service address information of one or more services that are set in a distributed manner in the database server to the central server, so that the service server obtains the service address information from the central server, thereby implementing database operation by a service corresponding to the service address information, implementing separation of the database layer and the service layer, and thus facilitating capacity expansion and maintenance of the database layer. The problem of the waste of database connection caused by the fact that a service layer is directly connected with a database in the prior art is solved, and the usability and the manageability of the database layer are improved. And the service server can pull one or more service address information from the central server in advance for local caching when starting, so that when the service server receives a service request of the terminal, the service address information corresponding to the service identification information can be directly obtained from the local cache according to the service identification information included in the service request, and the efficiency of responding to the service request is improved. The service server can also monitor the update state of the service address information in the central server in real time and update the locally cached service address information in time, so that the accuracy of sending a service request to the database server by the service server is effectively ensured, and the problem that the service server cannot access the database server and further cannot respond to the service request of the user due to the change of the service address information in the database server is solved.
Example nine
The present embodiment provides a server, i.e. a database server, for executing the method provided in the first embodiment or the second embodiment.
As shown in fig. 7, a schematic structural diagram of the server provided in this embodiment is shown. The server 90 includes: at least one processor 91 and memory 92;
the memory stores a computer program; at least one processor executes the computer program stored in the memory to implement the method provided in the first or second embodiment.
According to the server of the embodiment, when the database server is started, the service address information of one or more services which are distributed and set in the database server is registered to the central server, so that the service server acquires the service address information from the central server, the database operation is realized through the service corresponding to the service address information, the separation of the database layer and the service layer is realized, and the capacity expansion and maintenance of the database layer are more convenient. The problem of the waste of database connection caused by the fact that a service layer is directly connected with a database in the prior art is solved, and the usability and the manageability of the database layer are improved.
Example ten
The present embodiment provides a server, i.e. a service server, configured to execute the method provided in the third embodiment or the fourth embodiment.
As shown in fig. 8, a schematic structural diagram of the server provided in this embodiment is shown. The server 100 includes: at least one processor 1001 and memory 1002;
the memory stores a computer program; at least one processor executes the computer program stored in the memory to implement the method provided in the third or fourth embodiment.
According to the server of the embodiment, when the database server is started, the service address information of one or more services which are distributed and set in the database server is registered to the central server, so that the service server acquires the service address information from the central server, the database operation is realized through the service corresponding to the service address information, the separation of the database layer and the service layer is realized, and the capacity expansion and maintenance of the database layer are more convenient. The problem of the waste of database connection caused by the fact that a service layer is directly connected with a database in the prior art is solved, and the usability and the manageability of the database layer are improved.
In some embodiments, a distributed database service management system is further provided, as shown in fig. 9, which is a schematic structural diagram of the distributed database service management system provided in this embodiment. Wherein M, N, T, S are all positive integers. When a service in a database server is started (called), a connection pool of a service partition where the service is located is created, and the problem that in the prior art, a service server is directly connected with a database, all databases are connected during starting, the number of the connected databases is too large, and the number of the connected databases is wasted is solved.
EXAMPLE eleven
The present embodiment provides a computer-readable storage medium, in which a computer program is stored, and the computer program is executed to implement the method provided in the first embodiment or the second embodiment.
Example twelve
The present embodiment provides a computer-readable storage medium, in which a computer program is stored, and the computer program is executed to implement the method provided in the third embodiment or the fourth embodiment.
In the several embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, or in a form of hardware plus a software functional unit.
The integrated unit implemented in the form of a software functional unit may be stored in a computer readable storage medium. The software functional unit is stored in a storage medium and includes several instructions to enable a computer device (which may be a personal computer, a server, or a network device) or a processor (processor) to execute some steps of the methods according to the embodiments of the present application. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.
It is obvious to those skilled in the art that, for convenience and simplicity of description, the foregoing division of the functional modules is merely used as an example, and in practical applications, the above function distribution may be performed by different functional modules according to needs, that is, the internal structure of the device is divided into different functional modules to perform all or part of the above described functions. For the specific working process of the device described above, reference may be made to the corresponding process in the foregoing method embodiment, which is not described herein again.
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.
Claims (18)
1. A distributed database service management method, comprising:
the database server receives a first starting instruction;
the database server is started according to the first starting instruction, and registers a plurality of service address information to a central server, so that a service server obtains the service address information from the central server, and the central server establishes a corresponding relation between the service address information and the service identification information according to a preset corresponding relation between a service identification and the service identification information to store, wherein the service address information comprises the service identification and a service partition identification corresponding to the service identification, a plurality of services are arranged in the database server, the plurality of services are divided into a plurality of service partitions, each service partition corresponds to one database, and each service address information corresponds to one service.
2. The method of claim 1, further comprising:
the database server receives a service request sent by a service server, wherein the service request comprises target service address information and a corresponding service instruction to be executed, and the target service address information comprises a target service identifier and a target service partition identifier corresponding to the target service identifier;
the database server calls a target service corresponding to the target service identifier from a target service partition corresponding to the target service partition identifier, so that the target service executes the service instruction to be executed, and a service execution result is obtained;
and the database server sends the service execution result to the service server so that the service server performs corresponding processing according to the service execution result.
3. The method of claim 2, further comprising:
the database server acquires received service request information which is not responded currently, wherein the service request information comprises one or more service requests;
the database server determines target services to be added and the corresponding target quantity to be added according to the service request information and a preset rule;
the database server increases the target services of a target quantity in a target service partition where the target services are located;
and the database server registers the added service address information of the target service to the central server.
4. A distributed database service management method, comprising:
a service server receives a service request sent by a terminal, wherein the service request comprises service identification information;
the service server acquires target service address information corresponding to the service identification information from a central server according to the service request, wherein the target service address information comprises a target service identification and a target service partition identification corresponding to the target service identification; the central server establishes a corresponding relation between service address information and service identification information for storage according to a corresponding relation between preset service identification and service identification information, wherein a target service indicated by the target service identification is one of a plurality of services set in a database server, the plurality of services are divided into a plurality of service partitions, each service partition corresponds to one database, the target service partition indicated by the target service partition identification is one of the plurality of service partitions, and each service in the plurality of services corresponds to one service address information;
the service server generates a service request according to the target service address information, wherein the service request comprises the target service address information and a corresponding service instruction to be executed;
and the service server sends the service request to a database server so that the database server performs corresponding processing according to the service request.
5. The method of claim 4, further comprising:
the service server receives a service execution result sent by the database server in response to the service request;
the service server generates response data responding to the terminal service request according to the service execution result;
and the service server sends the response data to the terminal so as to display the terminal to a user.
6. The method according to claim 4 or 5, before the service server receives the service request sent by the terminal, further comprising:
the service server receives a second starting instruction;
the service server is started according to the second starting instruction, and one or more pieces of service address information are pulled from a central server for local caching;
correspondingly, after the service server receives the service request sent by the terminal, the method includes:
and the service server acquires target service address information corresponding to the service identification information from a local cache according to the service request.
7. The method of claim 6, wherein when the service server monitors that the service address information in the central server is updated, the updated service address information is pulled from the central server to update the local cache.
8. A distributed database service management apparatus, comprising:
the first receiving module is used for receiving a first starting instruction by the database server;
the first starting module is used for starting the database server according to the first starting instruction;
the first processing module is used for registering a plurality of service address information to a central server by the database server so that a business server obtains the service address information from the central server, wherein the service address information comprises a service identifier and a service partition identifier corresponding to the service identifier, a plurality of services are arranged in the database server, the plurality of services are divided into a plurality of service partitions, each service partition corresponds to one database, and each service address information corresponds to one service.
9. The apparatus of claim 8, wherein the first receiving module is further configured to receive, by the database server, a service request sent by a service server, where the service request includes target service address information and a corresponding service instruction to be executed, and the target service address information includes a target service identifier and a target service partition identifier corresponding to the target service identifier;
the first processing module is further configured to invoke, by the database server, a target service corresponding to the target service identifier from a target service partition corresponding to the target service partition identifier, so that the target service executes the to-be-executed service instruction to obtain a service execution result;
the first processing module is further configured to send the service execution result to the service server by the database server, so that the service server performs corresponding processing according to the service execution result.
10. The apparatus of claim 9, wherein the first processing module is further configured to:
the database server acquires received service request information which is not responded currently, wherein the service request information comprises one or more service requests;
the database server determines target services to be added and the corresponding target quantity to be added according to the service request information and a preset rule;
the database server increases the target services of a target quantity in a target service partition where the target services are located;
and the database server registers the added service address information of the target service to the central server.
11. A distributed database service management apparatus, comprising:
a second receiving module, configured to receive, by a service server, a service request sent by a terminal, where the service request includes service identification information;
the acquisition module is used for acquiring target service address information corresponding to the service identification information from a central server by the service server according to the service request, wherein the target service address information comprises a target service identification and a target service partition identification corresponding to the target service identification; the target service indicated by the target service identification is one of a plurality of services set in a database server, the plurality of services are divided into a plurality of service partitions, each service partition corresponds to one database, the target service partition indicated by the target service identification is one of the plurality of service partitions, and each service in the plurality of services corresponds to one service address information;
the second processing module is used for generating a service request by the service server according to the target service address information, wherein the service request comprises the target service address information and a corresponding service instruction to be executed;
and the sending module is used for sending the service request to a database server by the service server so as to enable the database server to perform corresponding processing according to the service request.
12. The apparatus of claim 11, wherein the second receiving module is further configured to receive, by the business server, a service execution result sent by a database server in response to the service request;
the second processing module is further configured to generate, by the service server, response data for responding to the terminal service request according to the service execution result;
the sending module is further configured to send the response data to the terminal by the service server, so that the terminal is displayed to a user.
13. The apparatus according to claim 11 or 12, wherein the second receiving module is further configured to receive, by the service server, a second start instruction;
the obtaining module is further configured to start the service server according to the second start instruction, pull one or more pieces of service address information from a central server, and perform local caching;
correspondingly, the obtaining module is further configured to obtain, by the service server, target service address information corresponding to the service identification information from a local cache according to the service request.
14. The apparatus of claim 13, wherein the obtaining module is further configured to pull updated service address information from the central server to update the local cache when the service server monitors that the service address information in the central server is updated.
15. A server, comprising: at least one processor and memory;
the memory stores a computer program; the at least one processor executes the memory-stored computer program to implement the method of any of claims 1-3.
16. A block link point, comprising: at least one processor and memory;
the memory stores a computer program; the at least one processor executes the memory-stored computer program to implement the method of any of claims 4-7.
17. A computer-readable storage medium, characterized in that a computer program is stored in the computer-readable storage medium, which computer program, when executed, implements the method of any one of claims 1-3.
18. A computer-readable storage medium, characterized in that a computer program is stored in the computer-readable storage medium, which computer program, when executed, implements the method of any of claims 4-7.
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