CN111865687A - Service data updating method and equipment - Google Patents
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- CN111865687A CN111865687A CN202010700264.3A CN202010700264A CN111865687A CN 111865687 A CN111865687 A CN 111865687A CN 202010700264 A CN202010700264 A CN 202010700264A CN 111865687 A CN111865687 A CN 111865687A
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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 method and the device for updating the service data have the advantages that the client periodically requests the network device for the update data corresponding to the service data in a long polling mode to update the service data locally cached at the client, so that the request of caching the data with large data volume to the network device is avoided, the resource occupation of the network device for connecting different service ends is reduced, the occupation of linked resources can be avoided, and the frequency degree of accessing the network can be avoided; meanwhile, in the process of updating the service data, the interaction is carried out by adopting a version information mode, the data structure is simple, the data to be transmitted is very small, the requirement on the network is not high, and not only the network resources of the client side but also the network resources of the network equipment side are 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 application relates to the field of computers, and in particular, to a method and an apparatus for updating service data.
Background
With the caching requirements of different application scenarios, distributed caching technology and local caching technology are developed. Along with the development of the internet, the scale of a user, the scale of data and the diversity of scenes are larger and larger, further requirements on the performance of a system are provided, and the requirements on throughput, response timeout and the like are higher and higher, wherein the data cache is a very critical component, and the shadow of a distributed cache technology can be seen from simple commodity second killing to the shopping ceremonies of the people invested in the Shuangele, 618 and the like; however, since the distributed cache technology is a unified management of data, data required by downstream needs to be uniformly acquired from a distributed cache center, and when a large amount of data is acquired from the center (a large amount of black and white list information and the like), a situation of network IO blocking occurs, which causes that the distributed center cannot normally return processed information, and causes information congestion. With the development of the technology, more and more data need to be managed in a unified manner, but some data are small in quantity and are accessed very frequently (such as address codes, commodity classification information and the like), and for these scenes, a local cache technology is developed in return, and the data are put into an applied local cache to improve the access efficiency of the system and reduce useless data access (DB or IO consumption), but the resources of the application system are precious, especially a CPU and a memory, so that the occupied space of the cache and a failure strategy need to be paid attention to; because the cache of the local cache technology exists locally, although the overhead of IO of a disk and a network is avoided, the local service data cannot be well interacted with the cache of other related application servers, and the situation of data inconsistency is easily generated.
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 an aspect of the present application, a method for updating service data is provided, which is 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 which is sent by the network equipment and used for indicating that the version information is inconsistent;
sending an update data request of the service data to the network equipment;
receiving the updating data and the server version information of the service data returned by the network equipment;
and updating the version information of the business data based on the version information of the server side, and updating the business data based on the updating data.
Further, in the method for updating service data of the client, the method further includes:
and receiving second request response information which is 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, and judging whether the version information of the network terminal of the service data is consistent with the version information of the client terminal within a preset maintaining time,
if not, sending first request response information used for indicating that the version information is inconsistent to the client in time;
receiving an update data request of the service data sent by the client;
and responding to the update data request, and sending the version information of the server side and the update data of the service data cached in a 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 the network device end, after determining whether the version information of the network device of the service data is consistent with the version information of the client within a preset retention time, the method further includes:
And 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 which is sent by the management device and used for indicating that the service data is changed, wherein the message notification comprises update data corresponding to the service data;
updating the business 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:
responding to the detected change of the service data, and updating the service data in the persistent database to obtain corresponding updated data;
and meanwhile, sending 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 the update data in the persistent database is refreshed to a local Redis database in the network device.
Further, in the method for updating service data at the management device end, the changing of 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 computer readable instructions stored thereon, which, when executed by a processor, cause the processor to implement the above service data updating method.
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,
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,
When executed by the one or more processors, the one or more computer-readable instructions cause the one or more processors to implement the service data updating method at the network device side as described above.
According to another aspect of the present application, there is also provided a management device for service data update, wherein the management device includes:
one or more processors;
a non-volatile storage medium for storing one or more computer-readable instructions,
when the one or more computer readable instructions are executed by the one or more processors, the one or more processors implement the above-mentioned service data updating method on the management device side.
Compared with the prior art, the method and the device have the advantages that the client requests the network equipment for the updated data corresponding to the service data in a long polling mode so as to update the service data locally cached at the client, the request of caching the data with large data volume to the network equipment is avoided, the resource occupation of the network equipment for connecting different service services is reduced, the occupation of linked resources can be avoided, and the frequent degree of network access can be avoided; meanwhile, in the process of updating the service data, the interaction is carried out by adopting a version information mode, the data structure is simple, the data to be transmitted is very small, the requirement on the network is not high, and not only the network resources of the client side but also the network resources of the network equipment side are 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 end in the application not only reduces the dependence of the client and ensures the simplicity of the client as much as possible, but also can timely return response information used for indicating inconsistent version information to the current long connection request when the client receives the update data, and can update local service data cached by the network equipment when the client does not have the update data request, so that the network equipment can respond timely when the update data request of the client arrives, response timeliness is improved, and the purpose of timely updating the service data of the client is achieved.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
fig. 1 is a schematic diagram illustrating an interaction flow between a client and a network device in a service data updating method according to an 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 identify the same or similar elements.
Detailed Description
The present application is described in further detail below with reference to the attached figures.
In a typical configuration of the present application, the terminal, the device serving the network, and the trusted party each include one or more processors (CPUs), input/output interfaces, network interfaces, and memory.
The memory may include forms of volatile memory in a computer readable medium, Random Access Memory (RAM) and/or non-volatile memory, such as Read Only Memory (ROM) or flash memory (flash RAM). Memory is an example of a computer-readable medium.
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 computer storage media 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, magnetic disk storage or other magnetic storage devices, or any other non-transmission medium that can be used to store information that can be accessed by a computing device. As defined herein, computer readable media does not include non-transitory computer readable media (transient media), such as modulated data signals and carrier waves.
As shown in fig. 1, an interaction flow diagram between a client and a network device in a service data updating method according to an aspect of the present application includes the client, a network device end and a management device end, where the network device end includes a local Redis database for caching service data related to all services, and the management device end includes a persistent database for persistently storing service data related to all services and a message notification module for performing message notification on service data transmission change. Wherein the method comprises the following steps: step S11, step S12, step S13, step S14, step S15, and step S16, which specifically includes the following steps:
the client is a processing end of the service data, the client includes a circular scheduling thread pool, and polling can be performed 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 the network device in a long polling manner to ensure that the request between the client and the network device is kept in a long connection state, and the long connection request includes 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, etc. to distinguish different versions of the service data, for example, the version number may be a string of increasing numbers, which may be large, and runs through the client, a local Redis database in the network device, and a persistent database in the management device, and as the version number increases, it indicates that the service data is updated.
After the client sends a long connection request to the network device, in step S21, the network device receives the long connection request sent by the client, where the long connection request includes client version information of the service data; and in step S22, the network device holds (hold) 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 duration, that is, determines whether the service data of the requested client is consistent with the service data stored at the network device, if not, step S23 to step S25 are executed, and if yes, step S26 is executed.
If the network version information of the service data is inconsistent with the client version information within the preset holding duration for holding the long connection request, the network device executes step S23, and the network device sends first request response information for indicating that the version information is inconsistent to the client in time, 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 updating the service data of the client in time; after the network device returns the first request response information, in step S12, the client receives the first request response information sent by the network device and used for indicating that the version information is inconsistent; in step S13, the client sends an update data request of the service data to the network device; in step S24, the network device receives an update data request of the service data sent by the client; in step S25, in response to the update data request, the network device obtains the latest data (i.e., update data) corresponding to the service data, and sends the server 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; in step S14, the client receives the update data of the service data and the server version information returned by the network device; and in step S15, the client updates the version information of the service data based on the server version information, and simultaneously updates the service data based on the update data.
When the network device is within a preset holding duration for holding the long connection request, if the network side version information of the service data is consistent with the client side version information, executing step S26, in step S26, when the network device reaches the preset holding duration, sending second request response information for indicating that the version information is consistent to the client side, so that in step S16, the client side receives the second request response information for indicating that the version information is consistent, and releases the currently corresponding long connection request to wait for the client side to initiate next request scheduling; of course, when the preset holding time is reached, if the service data is changed, and the version information of the network side of the service data is inconsistent with the version information of the client side, the client side can also be notified asynchronously. When the service data of the network equipment is consistent with the service data of the client, holding the long connection for a period of time (such as preset holding time), avoiding network congestion caused by a large amount of data updating requests from affecting other services, and when the long connection request is held to the preset holding time, sorting the message and returning second request response information (namely response information indicating that the client version information of the service data is consistent with the network version information) for indicating that the service data of the client is consistent with the service data of the network equipment to the client, releasing the currently corresponding long connection request, and reducing the occupation of link resources; furthermore, in order to reduce the resource occupation of data transmission between the network device and the client, the form of version information is adopted to perform interaction whether the service data is consistent, so that the data structure is simple, the data to be transmitted is very small, the requirement on the network is not high, and the respective network resources of the network device and the client are saved.
Through the above-described steps S11 through S15 and steps S21 through S26, a long connection request is periodically transmitted to the network device through the client, so that the network device is responsible for holding the long link request, and judges whether the client version information of the service data is consistent with the network version information within the preset holding time, if not, the updating data corresponding to the service data is returned to the client in an asynchronous mode, the client updates the updating data to the cache of the client after receiving the updating data corresponding to the service data, realizes the update of the service data of the client, ensures the consistency of the service data between the network equipment and the client, 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 to wait for the next scheduling of the circular scheduling thread pool of the client.
Further, through the steps S21 to S26, the network device side not only reduces the dependence 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 the inconsistency of the version information to the current long connection request, on the other hand, when there is no update data request of the client side, the network device can update the service data cached locally, so that when the update data request of the client side comes, the network device can perform timely response to improve response timeliness, and thereby the purpose of timely updating the service data of the client side is achieved.
In the embodiment, the client requests the network equipment for the update data corresponding to the service data in a long polling manner 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 for the end-to-end connection of different service services; meanwhile, in the process of updating the service data, the interaction is carried out by adopting a version information mode, the data structure is simple, the data to be transmitted is very small, the requirement on the network is not high, and not only the network resources of the client side but also the network resources of the network equipment side are 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, as shown in fig. 2, in the foregoing embodiment of the present application, an interaction flow diagram between a management device and a network device in a service data updating method provided by the present application is shown, where the management device is a management end of service data, and is used to process change operations such as adding, deleting, and modifying the service data. When the service Data is changed, including but not limited to addition, deletion, modification and the like of the service Data, 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 when the service Data is changed, the corresponding update Data is updated to the persistent database (Data Base, DB); meanwhile, in order to ensure consistency between the service data in the local Redis database of the network device and the service data in the persistent database of the client, in step S32, the management device sends a message notification indicating that the service data is changed to the network device, where the message notification includes update data corresponding to the service data, so that the update data in the persistent database is refreshed into the local Redis database in the network device; 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, thereby ensuring the consistency of the service data. Furthermore, the local Redis database of the network device end can not only perform backup caching on the service data in the persistent database, thereby avoiding the influence of data loss and the like caused by failure of the persistent database or service restart, but also reducing the request of the client for directly performing service data on the persistent database, thereby reducing the frequency of request access on the persistent database.
According to another aspect of the present application, there is also provided a non-volatile storage medium having computer readable instructions stored thereon, which, when executed by a processor, cause the processor to implement the above-mentioned service data updating method.
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,
when executed by the one or more processors, cause the one or more processors to implement a method for updating business data of a client as described above.
Here, the details of each embodiment in the client for updating the service data may specifically refer to the corresponding part of the above embodiment for updating the service data of the client, and are not described herein again.
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,
When executed by the one or more processors, the one or more computer-readable instructions cause the one or more processors to implement the method for updating service data at a network device side as described above.
Here, the detailed contents of each embodiment in the network device for updating the service data may specifically refer to the corresponding part of the above embodiment of the method for updating the service data at the network device side, and are not described herein again.
According to another aspect of the present application, there is also provided a management device for service data update, wherein the management device includes:
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, the one or more computer-readable instructions cause the one or more processors to implement the method for updating service data on the management device side as described above.
Here, for details of each embodiment in the management device for updating the service data, reference may be specifically made to corresponding parts of the above embodiment of the method for updating the service data at the management device side, and details are not described here again.
In summary, the application requests the network device for the update data corresponding to the service data in the long polling manner at the client to update the service data locally cached at the client, thereby avoiding the request of data caching with large data volume to the network device, and reducing the resource occupation of the network device for connecting different service ends, so that the occupation of link resources can be avoided, and the frequent degree of network access can be avoided; meanwhile, in the process of updating the service data, the interaction is carried out by adopting a version information mode, the data structure is simple, the data to be transmitted is very small, the requirement on the network is not high, and not only the network resources of the client side but also the network resources of the network equipment side are 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 end in the application not only reduces the dependence of the client and ensures the simplicity of the client as much as possible, but also can timely return response information used for indicating inconsistent version information to the current long connection request when the client receives the update data, and can update local service data cached by the network equipment when the client does not have the update data request, so that the network equipment can respond timely when the update data request of the client arrives, response timeliness is improved, and the purpose of timely updating the service data of the client 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, implemented using Application Specific Integrated Circuits (ASICs), general purpose computers or any other similar hardware devices. In one embodiment, the software programs of the present application may be executed by a processor to implement the steps or functions described above. Likewise, the software programs (including associated data structures) of the present application may be stored in a computer readable recording medium, such as RAM memory, magnetic or optical drive or diskette and the like. Additionally, some of the 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.
In addition, some 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 through the operation of the computer. Program instructions which invoke the methods of the present application may be stored on a fixed or removable recording medium and/or transmitted via a data stream on a broadcast or other signal-bearing medium and/or stored within a working memory of a computer device operating in accordance with 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 perform a method and/or a solution according to the aforementioned embodiments of the present application.
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 attributes 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 obvious that the word "comprising" does not exclude other elements or steps, and the singular does not exclude the plural. A plurality of units or means recited in the apparatus claims may also be implemented by one unit or means in software or hardware. The terms first, second, etc. are used to denote names, but not any particular order.
Claims (11)
1. A service data updating method 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;
Receiving first request response information which is sent by the network equipment and used for indicating that the version information is inconsistent;
sending an update data request of the service data to the network equipment;
receiving the updating data and the server version information of the service data returned by the network equipment;
and updating the version information of the business data based on the version information of the server side, and updating the business data based on the updating data.
2. The method of claim 1, wherein the method further comprises:
and receiving second request response information which is 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 is applied to a network equipment terminal, wherein the method comprises the following steps:
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, and judging whether the version information of the network terminal of the service data is consistent with the version information of the client terminal within a preset maintaining time,
if not, sending first request response information used for indicating that the version information is inconsistent to the client in time;
Receiving an update data request of the service data sent by the client;
and responding to the update data request, and sending the version information of the server side and the update data of the service data cached in a 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 determining whether the version information of the service data at the network side is consistent with the version information of the client side within a preset retention time, the method further comprises:
and 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. The method of claim 3, wherein the method further comprises:
receiving a message notification which is sent by the management device and used for indicating that the service data is changed, wherein the message notification comprises update data corresponding to the service data;
updating the business data in the local Redis database to the updated data based on the message notification.
6. A service data updating method is applied to a management device, wherein the method comprises the following steps:
Responding to the detected change of the service data, and updating the service data in the persistent database to obtain corresponding updated data;
and meanwhile, sending 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 the update data in the persistent database is refreshed to a local Redis database in the network device.
7. The method of claim 6, wherein the traffic data being changed comprises:
and adding, deleting and modifying the service data.
8. A non-transitory storage medium having stored thereon computer readable instructions which, when executed by a processor, cause the processor to implement the method of any one of claims 1 to 7.
9. A client for business data update, wherein the client 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 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 one of claims 3-5.
11. A management device for business data update, wherein the management 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 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 |
CN115334144A (en) * | 2022-06-29 | 2022-11-11 | 上海万物新生环保科技集团有限公司 | Method, device and system for processing service state change notification |
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