CN111865687B - Service data updating method and device - Google Patents
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- CN111865687B CN111865687B CN202010700264.3A CN202010700264A CN111865687B CN 111865687 B CN111865687 B CN 111865687B CN 202010700264 A CN202010700264 A CN 202010700264A CN 111865687 B CN111865687 B CN 111865687B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0803—Configuration setting
- H04L41/0813—Configuration setting characterised by the conditions triggering a change of settings
- H04L41/082—Configuration setting characterised by the conditions triggering a change of settings the condition being updates or upgrades of network functionality
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/23—Updating
- G06F16/2379—Updates performed during online database operations; commit processing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/14—Session management
Abstract
The invention aims to provide a service data updating method and device, wherein the client periodically requests updating data corresponding to service data from the network device in a long polling mode so as to update the service data locally cached by the client, thereby avoiding the request of caching data with large data quantity to the network device, reducing the occupation of resources of the network device for butting different service services, avoiding the occupation of link resources and avoiding the frequent degree of accessing the network; meanwhile, in the process of updating the service data, version information is adopted for interaction, the data structure is simple, the data to be transmitted is very small, the network requirements are not high, the network resources of a client side are saved, and the network resources of a network device side are also saved; and the local Redis database of the network equipment end is updated in time in an asynchronous refreshing mode at the network equipment end so as to ensure the final consistency of the service data.
Description
Technical Field
The present invention relates to the field of computers, and in particular, to a service data updating method and apparatus.
Background
With the cache demands of different application scenarios, distributed cache technology and local cache technology are presented. Along with the development of the Internet, the scale of users, the scale of data and the diversity of scenes are also larger and larger, the requirements on the performance of the system are further and further increased, the requirements on throughput, response time-out and the like are also higher and higher, wherein the data cache is one of the very critical components, and the figures of the distributed cache technology can be seen from simple commodity second killing to shopping grand ceremonies such as double eleven and 618 invested by the whole people; however, since the distributed caching technology is unified management of data, the data required by the downstream needs to be acquired from the distributed caching center in a unified way, when a large amount of data is acquired from the center (a large amount of black-and-white list information and the like), the situation of network IO blocking can occur, so that the distributed center cannot normally return processed information, and information congestion is caused. With the development of technology, more and more data need to be uniformly managed, but some data are not large in quantity, but access is very frequent (such as address coding, commodity classification information and the like), and for the scenes, a local caching technology is generated, and the data are put into a local cache of an application so as to improve the access efficiency of a system and reduce unnecessary data access (DB or IO consumption), but resources of the application system are precious, particularly a CPU and a memory, and further the occupied space of the cache and a failure strategy need to be paid attention to; because the local caching technology caches locally, although the cost of disk and network IO is avoided, local business data cannot well interact with other relevant application server caches, and the situation of inconsistent data is easy to generate, and in addition, once the application server is restarted, the locally cached data does not exist any more and needs to be reloaded.
Disclosure of Invention
An object of the present application is to provide a method and an apparatus for updating service data, so as to solve the problem of network congestion while updating service data of a client.
According to one aspect of the present application, there is provided a service data updating method applied to a client, wherein the method includes:
periodically sending a long connection request to network equipment in a long polling mode, wherein the long connection request comprises client version information of service data;
receiving first request response information sent by the network equipment and used for indicating that version information is inconsistent;
sending an update data request of the service data to the network equipment;
receiving updated data and server version information of the service data returned by the network equipment;
and updating version information of the service data based on the version information of the server side, and updating the service data based on the updating data.
Further, in the service data updating method of the client, the method further includes:
and receiving second request response information sent by the network equipment and used for indicating that the version information is consistent, and releasing the current corresponding long connection request.
According to another aspect of the present application, there is also provided a service data updating method applied to a network device, where the method includes:
receiving a long connection request sent by a client, wherein the long connection request comprises client version information of service data;
maintaining the long connection request, judging whether the network version information of the service data is consistent with the client version information within a preset maintaining time,
if not, timely sending first request response information for indicating that the version information is inconsistent to the client;
receiving an update data request of the service data sent by the client;
and responding to the update data request, and transmitting the version information of the server side and the update data of the service data cached in the local Redis database to the client side so that the client side updates the service data and the version information thereof.
Further, in the method for updating service data at a network device, after determining whether the network version information of the service data is consistent with the client version information within a preset holding time, the method further includes:
if so, sending second request response information for indicating that the version information is consistent to the client when the preset holding time is reached.
Further, in the method for updating service data at the network device side, the method further includes:
receiving a message notification sent by the management equipment and used for indicating the change of the service data, wherein the message notification comprises update data corresponding to the service data;
updating the service data in the local Redis database to the updated data based on the message notification.
According to another aspect of the present application, there is also provided a service data updating method applied to a management device, where the method includes:
in response to detecting that the service data is changed, updating the service data in the persistence database to obtain corresponding updated data;
and sending a message notification for indicating the change of the service data to the network equipment, wherein the message notification comprises update data corresponding to the service data, so that the update data in the persistence database is refreshed to a local Redis database in the network equipment.
Further, in the method for updating service data at the management device side, the changing the service data includes:
and adding, deleting and modifying the service data.
According to another aspect of the present application, there is also provided a non-volatile storage medium having stored thereon computer readable instructions which, when executed by a processor, cause the processor to implement a service data updating method as described above.
According to another aspect of the present application, there is also provided a client for service data update, wherein the client includes:
one or more processors;
a non-volatile storage medium for storing one or more computer readable instructions,
the one or more computer-readable instructions, when executed by the one or more processors, cause the one or more processors to implement a business data update method for a client as described above.
According to another aspect of the present application, there is also provided a network device for service data update, wherein the network device includes:
one or more processors;
a non-volatile storage medium for storing one or more computer readable instructions,
the one or more computer-readable instructions, when executed by the one or more processors, cause the one or more processors to implement a method for updating traffic data at a network device as described above.
According to another aspect of the present application, there is also provided a management apparatus for service data update, wherein the management apparatus includes:
one or more processors;
a non-volatile storage medium for storing one or more computer readable instructions,
the one or more computer readable instructions, when executed by the one or more processors, cause the one or more processors to implement the method for updating service data at the management device.
Compared with the prior art, the method and the device for updating the service data request of the network equipment request the update data corresponding to the service data in the long polling mode at the client so as to update the service data locally cached at the client, avoid the request of caching data with large data quantity to the network equipment, reduce the resource occupation of the network equipment end for butting different service services, and avoid the occupation of link resources and the frequent degree of accessing the network; meanwhile, in the process of updating the service data, version information is adopted for interaction, the data structure is simple, the data to be transmitted is very small, the network requirements are not high, the network resources of a client side are saved, and the network resources of a network device side are also saved; and the local Redis database of the network equipment end is updated in time in an asynchronous refreshing mode at the network equipment end so as to ensure the final consistency of the service data.
Furthermore, the network equipment side in the application not only reduces the dependence of the client side, ensures the simplicity of the client side as much as possible, but also can timely return response information for indicating inconsistent version information to the current long connection request when the client side receives the update data in order to form a unified management notification center, and can update the locally cached service data when the update data request of the client side does not exist, so that the update data request of the client side comes, timely response can be performed to improve response timeliness, and the purpose of timely updating the service data of the client side is achieved.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the detailed description of non-limiting embodiments, made with reference to the following drawings, in which:
FIG. 1 is a schematic diagram illustrating an interaction flow between a client and a network device in a method for updating traffic data according to one aspect of the present application;
fig. 2 is a schematic diagram illustrating an interaction flow between a management device and a network device in a service data updating method according to an aspect of the present application.
The same or similar reference numbers in the drawings refer to the same or similar parts.
Detailed Description
The present application is described in further detail below with reference to the accompanying drawings.
In one typical configuration of the present application, the terminal, the device of the service network, and the trusted party each include one or more processors (CPUs), input/output interfaces, network interfaces, and memory.
The memory may include volatile memory in a computer-readable medium, random Access Memory (RAM) and/or nonvolatile memory, etc., such as Read Only Memory (ROM) or flash memory (flashRAM). Memory is an example of computer-readable media.
Computer readable media, including both non-transitory and non-transitory, removable and non-removable media, may implement information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of storage media for a computer include, but are not limited to, phase change memory (PRAM), static Random Access Memory (SRAM), dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), read Only Memory (ROM), electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), digital Versatile Discs (DVD) or other optical storage, magnetic cassettes, magnetic tape disk storage or other magnetic storage devices, or any other non-transmission medium, which can be used to store information that can be accessed by a computing device. Computer readable media, as defined herein, does not include non-transitory computer readable media (transmission media), such as modulated data signals and carrier waves.
As shown in fig. 1, in an aspect of the present application, an interaction flow diagram between a client and a network device in a service data update method includes a client, a network device, and a management device, where the network device includes a local Redis database for caching service data related to all services, and the management device includes a persistence database for persistence storing service data related to all services and a message notification module for notifying a service data transmission change. Wherein the method comprises the following steps: step S11, step S12, step S13, step S14, step S15, and step S16 specifically include the following steps:
the client is a processing end of service data, the client comprises a cyclic scheduling thread pool, polling can be carried out according to a preset time interval to request the latest data corresponding to the service data, wherein in step S11, the client periodically sends a long connection request to network equipment in a long polling mode to ensure that the request between the client and the network equipment is kept in a long connection state, and the long connection request comprises client version information of the service data; here, the client version information includes, but is not limited to, a version number of the service data, so as to distinguish different versions of the service data, for example, the version number may be a string of increasing numbers, and may be very large, and it is explained that the service data is updated along with the increase of the version number, through a local dis database in the client, the network device, and a persistent database in the management device.
After the client sends a long connection request to the network device, step S21, the network device receives the long connection request sent by the client, where the long connection request includes client version information of service data; in step S22, the network device holds the long connection request, and determines whether the network version information of the service data is consistent with the client version information within a preset holding time, that is, whether the service data of the requested client is consistent with the service data stored in the network device, if not, step S23 to step S25 are executed, and if yes, step S26 is executed.
In a preset holding time period for holding the long connection request, if the network version information of the service data is inconsistent with the client version information, the network device executes step S23, and the network device timely sends first request response information for indicating that the version information is inconsistent to the client so that the client sends an update data request of the service data to the network device based on the first request response information, thereby achieving the purpose of timely updating the service data of the client; after the network device returns the first request response information, the step S12 is that the client receives the first request response information sent by the network device and used for indicating that the version information is inconsistent; step S13, the client sends an update data request of the service data to the network device; in the step S24, the network device receives an update data request of the service data sent by the client; in the step S25, the network device responds to the update data request, acquires the latest data (i.e. update data) corresponding to the service data, and sends the service version information and the update data of the service data cached in the local Redis database to the client, so that the client updates the service data and the version information thereof; step S14, the client receives the update data and the server version information of the service data returned by the network device; and in the step S15, the client updates version information of the service data based on the server version information, and updates the service data based on the update data.
When the network device is within the preset holding time period for holding the long connection request, if the network end version information of the service data is consistent with the client end version information, executing step S26, and when the network device reaches the preset holding time period, sending second request response information for indicating that the version information is consistent to the client end in step S26, so that in step S16, the client end receives the second request response information for indicating that the version information is consistent, which is sent by the network device, and releases the current corresponding long connection request to wait for the client end to initiate the next request scheduling; of course, if the service data is changed within the preset holding time, and the network version information of the service data is inconsistent with the client version information, the client may be notified asynchronously. When the hold holds the long connection request to the preset holding time, a message is sorted and a second request response message (namely, response information indicating that the client version information of the service data is consistent with the network version information) for indicating that the client is consistent with the service data in the network equipment is returned to the client, and the current corresponding long connection request is released, so that the occupation of link resources is reduced; furthermore, in order to reduce the resource occupation of the data transmission of the network equipment and the client, the interaction of whether the service data are consistent is performed in the form of version information, so that the data structure is simple, the data to be transmitted are very small, the requirement on the network is not high, and the respective network resources of the network equipment and the client are saved.
Through the steps S11 to S15 and the steps S21 to S26, the long connection request is sent to the network device at regular time through the client, so that the network device is responsible for holding the long connection request, and in the preset holding time period, whether the client version information of the service data is consistent with the network version information is judged, if not, the update data corresponding to the service data is returned to the client in an asynchronous mode, after the update data corresponding to the service data is received by the client, the update data is updated to a cache of the client, the update of the service data of the client is realized, the consistency of the service data between the network device and the client is ensured, and after the consistency update of the service data of the client is completed, the long connection request between the network device and the client can be released, so that the next scheduling of a cyclic scheduling thread pool of the client is waited.
Further, through the steps S21 to S26, the network device side not only reduces the dependency of the client side, and ensures the simplicity of the client side as much as possible, but also in order to form a unified management notification center, when the client side receives the update data, the network device can timely return response information for indicating that the version information is inconsistent to the current long connection request, and when the client side does not have the update data request, the network device can update the locally cached service data, so that when the update data request of the client side arrives, timely response can be performed, and response timeliness is improved, thereby achieving the purpose of timely updating the service data of the client side.
In the embodiment, the update data corresponding to the service data is requested to the network equipment in a long polling mode at the client so as to update the service data locally cached at the client, thereby avoiding the request of caching data with large data volume to the network equipment, avoiding the waste of link resources and the frequent degree of accessing the network, and reducing the resource occupation of the network equipment end for interfacing different service services; meanwhile, in the process of updating the service data, version information is adopted for interaction, the data structure is simple, the data to be transmitted is very small, the network requirements are not high, the network resources of a client side are saved, and the network resources of a network device side are also saved; and the local Redis database of the network equipment end is updated in time in an asynchronous refreshing mode at the network equipment end so as to ensure the final consistency of the data.
Next, in the foregoing embodiment of the present application, as shown in fig. 2, an interactive flow diagram between a management device and a network device in a service data updating method provided in the present application is shown, where the management device is a management end of service data, and is configured to handle changing operations such as adding, deleting, and modifying service data. When the service Data is changed, the service Data is changed including but not limited to adding, deleting, modifying and the like, and in step S31, the management device updates the service Data in the persistent database to obtain corresponding update Data in response to detecting that the service Data is changed, so that the corresponding update Data is updated in the persistent database (Data Base, DB) when the service Data is changed; meanwhile, in order to ensure consistency of service data in a local Redis database at a network device side and service data in a persistent database at a client side, in step S32, the management device sends a message notification for indicating that the service data is changed to the network device, wherein the message notification comprises update data corresponding to the service data, so that refreshing of the update data in the persistent database to the local Redis database in the network device is completed; in step S201, the network device receives a message notification sent by the management device and used for indicating that the service data is changed, where the message notification includes update data corresponding to the service data; in step S202, the network device updates the service data in the local Redis database to the updated data based on the message notification, so that the service data in the local Redis database of the network device is updated by changing the service data in the persistent database of the management device, and consistency of the service data is ensured. Further, the local Redis database at the network equipment end not only can carry out backup caching on service data in the persistent database, thereby avoiding the influence of data loss and the like caused by failure of the persistent database or restarting of service and the like, but also can reduce the request of a client for service data directly on the persistent database, thereby reducing the frequency of requesting access to the persistent database.
According to another aspect of the present application, there is also provided a non-volatile storage medium having stored thereon computer readable instructions which, when executed by a processor, cause the processor to implement a method for updating service data as described above.
According to another aspect of the present application, there is also provided a client for service data update, wherein the client includes:
one or more processors;
a non-volatile storage medium for storing one or more computer readable instructions,
the one or more computer-readable instructions, when executed by the one or more processors, cause the one or more processors to implement a method of updating traffic data for a client as described above.
The details of each embodiment in the client for updating service data can be specifically referred to the corresponding portion of the update embodiment of the service data of the client, which is not described herein.
According to another aspect of the present application, there is also provided a network device for service data update, wherein the network device includes:
one or more processors;
a non-volatile storage medium for storing one or more computer readable instructions,
the one or more computer-readable instructions, when executed by the one or more processors, cause the one or more processors to implement a method for updating traffic data at a network device as described above.
The details of each embodiment of the network device for service data update may be specifically referred to the corresponding portion of the embodiment of the method for updating service data at the network device, which is not described herein.
According to another aspect of the present application, there is also provided a management apparatus for service data update, wherein the management apparatus includes:
one or more processors;
a non-volatile storage medium for storing one or more computer readable instructions,
the one or more computer-readable instructions, when executed by the one or more processors, cause the one or more processors to implement a method for updating service data at a management device as described above.
The details of each embodiment of the management device for service data update may be specifically referred to the corresponding portion of the embodiment of the method for updating service data at the management device, which is not described herein.
In summary, the present application requests, at the client, update data corresponding to service data from the network device in a long polling manner, so as to update the service data locally cached by the client, thereby avoiding a request for caching data with a large data volume from the network device, reducing resource occupation of the network device for interfacing different service services, so that not only occupation of link resources, but also frequent access to the network can be avoided; meanwhile, in the process of updating the service data, version information is adopted for interaction, the data structure is simple, the data to be transmitted is very small, the network requirements are not high, the network resources of a client side are saved, and the network resources of a network device side are also saved; and the local Redis database of the network equipment end is updated in time in an asynchronous refreshing mode at the network equipment end so as to ensure the final consistency of the service data.
Furthermore, the network equipment side in the application not only reduces the dependence of the client side, ensures the simplicity of the client side as much as possible, but also can timely return response information for indicating inconsistent version information to the current long connection request when the client side receives the update data in order to form a unified management notification center, and can update the locally cached service data when the update data request of the client side does not exist, so that the update data request of the client side comes, timely response can be performed to improve response timeliness, and the purpose of timely updating the service data of the client side is achieved.
It should be noted that the present application may be implemented in software and/or a combination of software and hardware, for example, using Application Specific Integrated Circuits (ASIC), a general purpose computer or any other similar hardware device. In one embodiment, the software programs of the present application may be executed by a processor to implement the steps or functions as described above. Likewise, the software programs of the present application (including associated data structures) may be stored on a computer readable recording medium, such as RAM memory, magnetic or optical drive or diskette and the like. In addition, some steps or functions of the present application may be implemented in hardware, for example, as circuitry that cooperates with the processor to perform various steps or functions.
Furthermore, portions of the present application may be implemented as a computer program product, such as computer program instructions, which when executed by a computer, may invoke or provide methods and/or techniques in accordance with the present application by way of operation of the computer. Program instructions for invoking the methods of the present application may be stored in fixed or removable recording media and/or transmitted via a data stream in a broadcast or other signal bearing medium and/or stored within a working memory of a computer device operating according to the program instructions. An embodiment according to the present application comprises an apparatus comprising a memory for storing computer program instructions and a processor for executing the program instructions, wherein the computer program instructions, when executed by the processor, trigger the apparatus to operate a method and/or a solution according to the embodiments of the present application as described above.
It will be evident to those skilled in the art that the present application is not limited to the details of the foregoing illustrative embodiments, and that the present application may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned. Furthermore, it is evident that the word "comprising" does not exclude other elements or steps, and that the singular does not exclude a plurality. A plurality of units or means recited in the apparatus claims can also be implemented by means of one unit or means in software or hardware. The terms first, second, etc. are used to denote a name, but not any particular order.
Claims (11)
1. A method for updating service data, which is applied to a client, wherein the method comprises the following steps:
periodically sending a long connection request to network equipment in a long polling mode, wherein the long connection request comprises client version information of service data so that the network equipment can keep the long connection request, and judging whether the server version information of the service data is consistent with the client version information or not within a preset keeping time;
receiving first request response information which is sent by the network equipment in time and used for indicating that version information is inconsistent;
sending an update data request of the service data to the network equipment so that the network equipment sends the version information of the server and the update data of the service data cached in a local Redis database of the network equipment to the client;
receiving updated data and server version information of the service data returned by the network equipment;
and updating version information of the service data based on the version information of the server side, and updating the service data based on the updating data.
2. The method of claim 1, wherein the method further comprises:
and receiving second request response information sent by the network equipment and used for indicating that the version information is consistent, and releasing the current corresponding long connection request.
3. A service data updating method applied to a network device side, wherein the method comprises the following steps:
receiving a long connection request which is periodically sent by a client in a long polling mode, wherein the long connection request comprises client version information of service data;
maintaining the long connection request, judging whether the server version information of the service data is consistent with the client version information within a preset maintaining time,
if not, timely sending first request response information for indicating inconsistent version information to the client so that the client initiates an update data request of the service data to the network equipment;
receiving an update data request of the service data sent by the client;
and responding to the update data request, and transmitting the version information of the server side and the update data of the service data cached in the local Redis database to the client side so that the client side updates the service data and the version information thereof.
4. The method of claim 3, wherein after the determining whether the server version information of the service data is consistent with the client version information within the preset holding time period, the method further comprises:
if so, sending second request response information for indicating that the version information is consistent to the client when the preset holding time is reached.
5. A method according to claim 3, wherein the method further comprises:
receiving a message notification sent by a management device and used for indicating the change of the service data, wherein the message notification comprises update data corresponding to the service data;
updating the service data in the local Redis database to the updated data based on the message notification.
6. A business data updating method is applied to a management device side, wherein the method comprises the following steps:
in response to detecting that the service data is changed, updating the service data in the persistence database to obtain corresponding updated data;
meanwhile, sending a message notification for indicating the change of the service data to a network device, wherein the message notification comprises update data corresponding to the service data, so that the update data in the persistence database is refreshed to a local Redis database in the network device;
the network device receives and maintains a long connection request periodically sent by a client in a long polling mode, judges whether the version information of a service end of the service data is consistent with the version information of the client of the service data carried by the long connection request within a preset maintaining time period, if not, timely sends first request response information for indicating that the version information is inconsistent to the client so that the client initiates an update data request of the service data to the network device, and then responds to the update data request and sends the update data of the service data cached in the version information of the service end and a local Redis database to the client so that the client updates the service data and the version information thereof.
7. The method of claim 6, wherein the altering of the traffic data comprises:
and adding, deleting and modifying the service data.
8. A non-volatile storage medium having stored thereon computer readable instructions which, when executed by a processor, cause the processor to implement the method of any of claims 1 to 7.
9. A client for traffic data update, wherein the client comprises:
one or more processors;
a non-volatile storage medium for storing one or more computer readable instructions,
the one or more computer-readable instructions, when executed by the one or more processors, cause the one or more processors to implement the method of claim 1 or 2.
10. A network device for traffic data update, wherein the network device comprises:
one or more processors;
a non-volatile storage medium for storing one or more computer readable instructions,
when executed by the one or more processors, cause the one or more processors to implement the method of any of claims 3 to 5.
11. A management device for service data update, wherein the management device comprises:
one or more processors;
a non-volatile storage medium for storing one or more computer readable instructions,
the one or more computer-readable instructions, when executed by the one or more processors, cause the one or more processors to implement the method of claim 6 or 7.
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| CN113691616A (en) * | 2021-08-23 | 2021-11-23 | 上海浦东发展银行股份有限公司 | Micro-service synchronization method and device based on long polling and storage medium |
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