CN113239396A - Data access system, method, device, computer equipment and medium - Google Patents
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- 238000004364 calculation method Methods 0.000 claims description 8
- 238000004590 computer program Methods 0.000 claims description 7
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- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/62—Protecting access to data via a platform, e.g. using keys or access control rules
- G06F21/6218—Protecting access to data via a platform, e.g. using keys or access control rules to a system of files or objects, e.g. local or distributed file system or database
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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
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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
- G06F16/27—Replication, distribution or synchronisation of data between databases or within a distributed database system; Distributed database system architectures therefor
Abstract
The invention discloses a data access system, a method, a device, computer equipment and a storage medium, wherein the method comprises the following steps: the method comprises the steps of carrying out timing health check on a storage server to obtain a check result, forwarding a request to the healthy storage server according to the check result when receiving a data access request of a client, wherein the storage server comprises a local storage server and a cloud storage server, determining a target server from the storage server based on the check result, and then responding to the access request by adopting the target server.
Description
Technical Field
The present invention relates to the field of data processing, and in particular, to a data access system, method, apparatus, computer device, and medium.
Background
With the rapid development of computer technology, more and more transactions are processed through a network to access the internet to obtain information, which is a common thing in daily life, and data access is performed through the network, mainly through a client accessing an appointed domain name or an IP address, and then corresponding data resources are obtained from a storage server corresponding to the appointed domain name or IP address to obtain corresponding information. Under the condition of large data access amount or more occupied other resources, a storage server may be down, so that a data access request cannot be obtained in time.
Disclosure of Invention
The embodiment of the invention provides a data access system, a data access method, a data access device, computer equipment and a storage medium, and aims to improve the efficiency of data access.
In order to solve the above technical problem, an embodiment of the present application provides a data access system, including: the system comprises a first gateway, a second gateway, a local storage server and a cloud storage server;
the first gateway performs health check on the local storage server and communicates with the local storage server;
the second gateway performs health check on the cloud storage server and communicates with the cloud storage server;
and the first gateway and the second gateway are bound with the same domain name.
In order to solve the foregoing technical problem, an embodiment of the present application provides a data access method, including:
carrying out timing health check on a storage server to obtain a check result, and forwarding a request to a healthy storage server according to the check result when receiving a data access request of a client, wherein the storage server comprises a local storage server and a cloud storage server;
determining a target server from the storage servers based on the checking result;
and responding to the access request by adopting the target server.
Optionally, the determining a target server from the storage servers based on the checking result comprises:
and if the checking results of the local storage server and the cloud storage server are healthy, selecting the target server from the local storage server and the cloud storage server in a load balancing mode.
Optionally, the determining a target server from the storage servers based on the checking result further comprises:
and if one of the examination results of the local storage server and the cloud storage server is unhealthy, adopting the storage server with the healthy examination result as the target server.
Optionally, the performing a health check on the storage server at regular time to obtain a check result, and when receiving a data access request from the client, forwarding the request to the healthy storage server according to the check result includes:
and when the gateway receives the access request, performing health check on the storage server through the gateway by adopting a Cookie Hash algorithm to obtain a check result, wherein the gateway comprises a first gateway and a second gateway.
Optionally, the performing health check by using a Cookie hash algorithm, and obtaining the check result includes:
when the gateway is successfully connected with the storage server, selecting all Cookie values in a connected HTTP data packet as reference values;
carrying out Hash calculation based on the reference value to obtain a Cookie Hash value;
judging whether the gateway and the storage server are in a session holding state in real time through the Cookie hash value;
and if the gateway and the storage server are in a session maintaining state, determining that the check result is healthy, otherwise, determining that the check result is unhealthy.
Optionally, the data access method further includes:
and periodically carrying out synchronous updating on the local storage server and the cloud storage server.
In order to solve the above technical problem, an embodiment of the present application further provides a data access apparatus, including:
the health check module is used for carrying out timing health check on the storage server to obtain a check result, and forwarding a request to the healthy storage server according to the check result when receiving a data access request of a client, wherein the storage server comprises a local storage server and a cloud storage server;
a target server determination module for determining a target server from the storage servers based on the inspection result;
and the access response module is used for responding to the access request by adopting the target server.
Optionally, the target server determining module includes:
and the load balancing unit is used for selecting the target server from the local storage server and the cloud storage server in a load balancing mode if the checking results of the local storage server and the cloud storage server are healthy.
Optionally, the target server determining module further includes:
and the selecting unit is used for adopting the storage server with the healthy inspection result as the target server if one of the inspection results of the local storage server and the cloud storage server is unhealthy.
Optionally, the health check module comprises:
and the health check unit is used for performing health check on the storage server through the gateway by adopting a Cookie Hash algorithm when the gateway receives the access request to obtain the check result, wherein the gateway comprises a first gateway and a second gateway.
Optionally, the health check unit comprises:
a reference value determining subunit, configured to select, when the gateway and the storage server are successfully connected, all Cookie values in one connected HTTP packet as reference values;
the Hash calculation subunit is used for carrying out Hash calculation based on the reference value to obtain a Cookie Hash value;
the session judgment subunit is used for judging whether the gateway and the storage server are in a session holding state in real time according to the Cookie hash value;
and the result confirmation subunit is used for confirming that the check result is healthy if the gateway and the storage server are in a session holding state, and otherwise, confirming that the check result is unhealthy.
Optionally, the data access apparatus further includes:
and the synchronization module is used for periodically performing synchronous updating on the local storage server and the cloud storage server.
In order to solve the above technical problem, an embodiment of the present application further provides a computer device, which includes a memory, a processor, and a computer program stored in the memory and executable on the processor, and the processor implements the steps of the above data access method when executing the computer program.
In order to solve the above technical problem, an embodiment of the present application further provides a computer-readable storage medium, where a computer program is stored, and the computer program, when executed by a processor, implements the steps of the above data access method.
The data access system, the method, the device, the computer equipment and the storage medium provided by the embodiment of the invention are used for carrying out timing health check on the storage server to obtain a check result, and forwarding the request to the healthy storage server according to the check result when receiving the data access request of the client, wherein the storage server comprises a local storage server and a cloud storage server, and determining a target server from the storage server based on the check result, and then adopting the target server to respond to the access request to realize the safety of the running state of the server through the health check, thereby avoiding the access failure caused by insufficient server resources, downtime and the like and improving the efficiency of data access.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive labor.
FIG. 1 is an architectural diagram of a data access system of the present application;
FIG. 2 is a flow diagram of one embodiment of a data access method of the present application;
FIG. 3 is a schematic block diagram of one embodiment of a data access device according to the present application;
FIG. 4 is a schematic block diagram of one embodiment of a computer device according to the present application.
Detailed Description
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "including" and "having," and any variations thereof, in the description and claims of this application and the description of the above figures are intended to cover non-exclusive inclusions. The terms "first," "second," and the like in the description and claims of this application or in the above-described drawings are used for distinguishing between different objects and not for describing a particular order.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. 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 invention.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a data access system in this embodiment, as shown in fig. 1, the data access system 100 may include terminal devices 101, 102, 103, 104, 105, and 106, where 101 is a domain name server, 102 is a first gateway, 103 is a second gateway, 104 is a local storage server, 105 is a cloud storage server, and 106 is a network.
In one embodiment, a data access system is provided, comprising: the system comprises a first gateway, a second gateway, a local storage server and a cloud storage server;
the first gateway carries out health check on the local storage server and communicates with the local storage server;
the second gateway carries out health check on the cloud storage server and communicates with the cloud storage server;
the first gateway and the second gateway are bound with the same domain name.
Referring to fig. 2, fig. 2 shows a data access method according to an embodiment of the present invention, which is detailed as follows:
s201: the method comprises the steps of carrying out timing health check on a storage server to obtain a check result, and forwarding a request to the healthy storage server according to the check result when receiving a data access request of a client, wherein the storage server comprises a local storage server and a cloud storage server.
Specifically, when a client accesses a domain name corresponding to a gateway to perform data access, a data access request is generated, and after receiving the data access request, the gateway performs health check on a storage server to obtain a check result.
S202: based on the checking result, a target server is determined from the storage servers.
Specifically, the target server is determined according to the health state of each storage server in the check result, so that the target server is adopted to respond to the access request subsequently.
The method comprises the steps that a checking result is divided into that a local storage server and a cloud storage server are both healthy, one of the local storage server and the cloud storage server is unhealthy, in the first situation, a load balancing mode is adopted to select a target server as an optimal mode, and in the second situation, the healthy storage server is selected as the target server.
S203: and responding to the access request by adopting the target server.
In the embodiment, regular health check is performed on the storage server to obtain a check result, when a data access request of a client is received, the request is forwarded to the healthy storage server according to the check result, wherein the storage server comprises a local storage server and a cloud storage server, a target server is determined from the storage server based on the check result, and then the target server is adopted to respond to the access request, so that the running state safety of the server is ensured through the health check, thereby avoiding access failure caused by insufficient server resources, downtime and the like, and improving the efficiency of data access.
In a specific alternative embodiment, the step S202, determining the target server from the storage servers based on the checking result includes:
and if the checking results of the local storage server and the cloud storage server are healthy, selecting a target server from the local storage server and the cloud storage server in a load balancing mode.
In this embodiment, when the check results of the local storage server and the cloud storage server are healthy, the storage server with the best state is selected as the target server in a load balancing manner, which is beneficial to improving the data access efficiency.
In a specific optional embodiment, in step S202, determining the target server from the storage servers based on the checking result further includes:
and if one of the checking results of the local storage server and the cloud storage server is unhealthy, adopting the storage server with the healthy checking result as a target server.
It should be noted that, in this embodiment, health check is performed on the target server at regular time, or when a check instruction is received, health check is performed passively on the target server, and when it is detected that the target server is in an unhealthy state, access is blocked, the server is restarted, and the access request is transferred to another storage server in a healthy state.
In this embodiment, if one of the check results of the local storage server and the cloud storage server is unhealthy, the storage server with the healthy check result is used as the target server, so that the target server can be normally used, and the problem that the access efficiency is low due to the failure or poor performance of the target server is avoided.
In a specific optional implementation manner, in step S201, performing a timing health check on the storage server to obtain a check result, and when receiving a data access request from the client, forwarding the request to the healthy storage server according to the check result includes:
and when the gateway receives the access request, performing health check on the storage server through the gateway by adopting a Cookie Hash algorithm to obtain a check result, wherein the gateway comprises a first gateway and a second gateway.
The health check includes checking whether communication between the storage server and the gateway is normal, checking a current performance status of the storage server, and the like, and other check items may be added according to actual needs, which is not limited specifically.
In a specific optional embodiment, performing health check by using a Cookie hash algorithm, and obtaining a check result includes:
when the gateway is successfully connected with the storage server, selecting all Cookie values in a connected HTTP data packet as reference values;
performing hash calculation based on the reference value to obtain a Cookie hash value;
judging whether the gateway and the storage server are in a session holding state in real time through the Cookie hash value;
if the gateway and the storage server are in a session keeping state, the check result is determined to be healthy, otherwise, the check result is determined to be unhealthy.
The step of judging whether the gateway and the storage server are in the session keeping state in real time through the Cookie hash value means that the Cookie in the session currently connected with the gateway is calculated to obtain the hash value, whether the value identical to the Cookie hash value calculated in the previous step exists in the obtained result is judged, the identical hash value is connected and distributed to the identical real server, and therefore if the value exists, the fact that the gateway and the storage server are in the session keeping state is determined, namely the health state of the storage server is healthy, and otherwise, the fact that the health state of the storage server is unhealthy is confirmed.
In the embodiment, whether the gateways are connected to the same Cookie hash value is judged in real time, the session maintaining state of the storage server and the gateways is determined, the health of the storage server is further judged, the accuracy of health monitoring of the storage server is improved, and the target server can be selected according to the health of the storage server.
It should be understood that, the sequence numbers of the steps in the foregoing embodiments do not imply an execution sequence, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation to the implementation process of the embodiments of the present invention.
Fig. 3 shows a schematic block diagram of a data access device in one-to-one correspondence with the above-described embodiment data access method. As shown in fig. 3, the data access device includes a health check module 31, a target server determination module 32, and an access response module 33. The functional modules are explained in detail as follows:
the health check module 31 is configured to perform health check on the storage server at regular time to obtain a check result, and when receiving a data access request from the client, forward the request to the healthy storage server according to the check result, where the storage server includes a local storage server and a cloud storage server;
a target server determination module 32 for determining a target server from the storage servers based on the inspection result;
and an access response module 33, configured to respond to the access request with the target server.
Optionally, the target server determination module 32 includes:
and the load balancing unit is used for selecting a target server from the local storage server and the cloud storage server in a load balancing mode if the checking results of the local storage server and the cloud storage server are healthy.
Optionally, the target server determining module 32 further includes:
and the selecting unit is used for adopting the storage server with the healthy checking result as the target server if one of the checking results of the local storage server and the cloud storage server is unhealthy.
Optionally, the health check module 31 comprises:
and the health check unit is used for performing health check on the storage server through the gateway by adopting a Cookie Hash algorithm when the gateway receives the access request to obtain a check result, wherein the gateway comprises a first gateway and a second gateway.
Optionally, the health check unit comprises:
the reference value determining subunit is used for selecting all Cookie values in a connected HTTP data packet as reference values when the gateway is successfully connected with the storage server;
the Hash calculation subunit is used for carrying out Hash calculation based on the reference value to obtain a Cookie Hash value;
the session judgment subunit is used for judging whether the gateway and the storage server are in a session holding state in real time through the Cookie hash value;
and the result confirmation subunit is used for determining that the check result is healthy if the gateway and the storage server are in a session holding state, and determining that the check result is unhealthy if the gateway and the storage server are not in the session holding state.
Optionally, the data access device further comprises:
and the synchronization module is used for periodically performing synchronous updating on the local storage server and the cloud storage server.
For specific limitations of the data access device, reference may be made to the above limitations of the data access method, which are not described herein again. The various modules in the data access device described above may be implemented in whole or in part by software, hardware, and combinations thereof. The modules can be embedded in a hardware form or independent from a processor in the computer device, and can also be stored in a memory in the computer device in a software form, so that the processor can call and execute operations corresponding to the modules.
In order to solve the technical problem, an embodiment of the present application further provides a computer device. Referring to fig. 4, fig. 4 is a block diagram of a basic structure of a computer device according to the present embodiment.
The computer device 4 comprises a memory 41, a processor 42, a network interface 43 communicatively connected to each other via a system bus. It is noted that only the computer device 4 having the components connection memory 41, processor 42, network interface 43 is shown, but it is understood that not all of the shown components are required to be implemented, and that more or fewer components may be implemented instead. As will be understood by those skilled in the art, the computer device is a device capable of automatically performing numerical calculation and/or information processing according to a preset or stored instruction, and the hardware includes, but is not limited to, a microprocessor, an Application Specific Integrated Circuit (ASIC), a Programmable Gate Array (FPGA), a Digital Signal Processor (DSP), an embedded device, and the like.
The computer device can be a desktop computer, a notebook, a palm computer, a cloud server and other computing devices. The computer equipment can carry out man-machine interaction with a user through a keyboard, a mouse, a remote controller, a touch panel or voice control equipment and the like.
The memory 41 includes at least one type of readable storage medium including a flash memory, a hard disk, a multimedia card, a card-type memory (e.g., SD or D interface display memory, etc.), a Random Access Memory (RAM), a Static Random Access Memory (SRAM), a Read Only Memory (ROM), an Electrically Erasable Programmable Read Only Memory (EEPROM), a Programmable Read Only Memory (PROM), a magnetic memory, a magnetic disk, an optical disk, etc. In some embodiments, the memory 41 may be an internal storage unit of the computer device 4, such as a hard disk or a memory of the computer device 4. In other embodiments, the memory 41 may also be an external storage device of the computer device 4, such as a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), and the like, which are provided on the computer device 4. Of course, the memory 41 may also include both internal and external storage devices of the computer device 4. In this embodiment, the memory 41 is generally used for storing an operating system installed in the computer device 4 and various types of application software, such as program codes for controlling electronic files. Further, the memory 41 may also be used to temporarily store various types of data that have been output or are to be output.
The processor 42 may be a Central Processing Unit (CPU), controller, microcontroller, microprocessor, or other data Processing chip in some embodiments. The processor 42 is typically used to control the overall operation of the computer device 4. In this embodiment, the processor 42 is configured to execute the program code stored in the memory 41 or process data, for example, execute the program code for data access.
The network interface 43 may comprise a wireless network interface or a wired network interface, and the network interface 43 is generally used for establishing communication connection between the computer device 4 and other electronic devices.
The present application further provides another embodiment, which is a computer-readable storage medium storing a data access program, which is executable by at least one processor to cause the at least one processor to perform the steps of the data access method as described above.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present application may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal device (such as a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present application.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present application may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal device (such as a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present application.
It is to be understood that the above-described embodiments are merely illustrative of some, but not restrictive, of the broad invention, and that the appended drawings illustrate preferred embodiments of the invention and do not limit the scope of the invention. This application is capable of embodiments in many different forms and is provided for the purpose of enabling a thorough understanding of the disclosure of the application. Although the present application has been described in detail with reference to the foregoing embodiments, it will be apparent to one skilled in the art that the present application may be practiced without modification or with equivalents of some of the features described in the foregoing embodiments. All equivalent structures made by using the contents of the specification and the drawings of the present application are directly or indirectly applied to other related technical fields and are within the protection scope of the present application.
Claims (10)
1. A data access system is characterized by comprising a first gateway, a second gateway, a local storage server and a cloud storage server;
the first gateway performs health check on the local storage server and communicates with the local storage server;
the second gateway performs health check on the cloud storage server and communicates with the cloud storage server;
and the first gateway and the second gateway are bound with the same domain name.
2. A data access method applied to the data access system of claim 1, the data access method comprising:
carrying out timing health check on a storage server to obtain a check result, and forwarding a request to a healthy storage server according to the check result when receiving a data access request of a client, wherein the storage server comprises a local storage server and a cloud storage server;
determining a target server from the storage servers based on the checking result;
and responding to the access request by adopting the target server.
3. The data access method of claim 2, wherein the determining a target server from the storage servers based on the inspection result comprises:
and if the checking results of the local storage server and the cloud storage server are healthy, selecting the target server from the local storage server and the cloud storage server in a load balancing mode.
4. The data access method of claim 2, wherein said determining a target server from the storage servers based on the inspection result further comprises:
and if one of the examination results of the local storage server and the cloud storage server is unhealthy, adopting the storage server with the healthy examination result as the target server.
5. The data access method of any one of claims 2 to 4, wherein the performing a timing health check on the storage server to obtain a check result, and when receiving a data access request from the client, forwarding the request to the healthy storage server according to the check result comprises:
and when the gateway receives the access request, performing health check on the storage server through the gateway by adopting a Cookie Hash algorithm to obtain a check result, wherein the gateway comprises a first gateway and a second gateway.
6. The data access method of claim 5, wherein the performing the health check using a Cookie hashing algorithm, and obtaining the check result comprises:
when the gateway is successfully connected with the storage server, selecting all Cookie values in a connected HTTP data packet as reference values;
carrying out Hash calculation based on the reference value to obtain a Cookie Hash value;
judging whether the gateway and the storage server are in a session holding state in real time through the Cookie hash value;
and if the gateway and the storage server are in a session maintaining state, determining that the check result is healthy, otherwise, determining that the check result is unhealthy.
7. The data access method of claim 2, wherein the data access method further comprises:
and periodically carrying out synchronous updating on the local storage server and the cloud storage server.
8. A data access device, characterized in that the data access device comprises:
the health check module is used for carrying out timing health check on the storage server to obtain a check result, and forwarding a request to the healthy storage server according to the check result when receiving a data access request of a client, wherein the storage server comprises a local storage server and a cloud storage server;
a target server determination module for determining a target server from the storage servers based on the inspection result;
and the access response module is used for responding to the access request by adopting the target server.
9. A computer device comprising a memory, a processor and a computer program stored in the memory and executable on the processor, characterized in that the processor implements the data access method according to any one of claims 2 to 7 when executing the computer program.
10. A computer-readable storage medium, in which a computer program is stored which, when being executed by a processor, carries out the data access method according to any one of claims 2 to 7.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114124883A (en) * | 2021-10-12 | 2022-03-01 | 鸬鹚科技(深圳)有限公司 | Data access method and device based on cloud storage address, computer equipment and medium |
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