CN113821492A - Redis-based fan data read-write method, device, system and medium - Google Patents
Redis-based fan data read-write method, device, system and medium Download PDFInfo
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- CN113821492A CN113821492A CN202010568025.7A CN202010568025A CN113821492A CN 113821492 A CN113821492 A CN 113821492A CN 202010568025 A CN202010568025 A CN 202010568025A CN 113821492 A CN113821492 A CN 113821492A
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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
- G06F16/21—Design, administration or maintenance of databases
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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
- G06F16/24—Querying
- G06F16/245—Query processing
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
- G06Q50/06—Electricity, gas or water supply
Abstract
The invention provides a fan data read-write method, a device, a system and a medium based on Redis, which comprise a write-in method and a read-out method; the writing method comprises the following steps: collecting fan data; storing fan data into a Mysql database established based on a Linux system; acquiring log information in a Mysql database; storing the log information into a Redis database established based on a Linux system; the reading method comprises the following steps: receiving user input information; judging whether first matching data exist in the Redis database or not based on user input information, if so, acquiring second matching data in the Mysql database based on the first matching data, and if not, searching the second matching data in the Mysql database based on the user input information; the method is characterized in that a Redis database and a Mysql database are established based on a Linux system, the advantages of high reading and writing speed of the Redis database and large reserves of the Mysql database are combined, efficient reading and writing of fan data are achieved, the Mysql database is good in expandability, and the Linux system is high in safety performance.
Description
Technical Field
The invention belongs to the technical field of fan data reading and writing, and particularly relates to a fan data reading and writing method, device, system and medium based on Redis.
Background
With the development of wind power technology, the real-time monitoring of the fan becomes very important, and the existing monitoring system has great limitations, such as poor expandability, slow data reading and writing speed, insufficient safety of a windows operating system and the like.
Disclosure of Invention
Aiming at the problems, the invention provides a fan data reading and writing method based on Redis, which comprises a writing method and a reading method;
the writing method comprises the following steps:
collecting fan data;
storing fan data into a Mysql database established based on a Linux system;
acquiring log information in a Mysql database;
storing the log information into a Redis database established based on a Linux system;
the reading method comprises the following steps:
receiving user input information;
determining whether there is first matching data in the Redis database based on the user input information,
if so, acquiring second matching data in the Mysql database based on the first matching data,
if not, searching second matching data in the Mysql database based on the input information of the user.
Preferably, the storing of the blower data in the Mysql database established based on the Linux system specifically includes:
reading a Modbus protocol or a UDP protocol through a computer language, storing fan data into an XML file or a JSON file, and storing the XML file or the JSON file into a Mysql database established based on a Linux system.
Preferably, the obtaining of the second matching data in the Mysql database based on the first matching data specifically includes:
reading a Modbus protocol or a UDP protocol, acquiring a Modbus address or a UDP address, and acquiring second matching data in the Mysql database based on the first matching data and the Modbus address or the first matching data and the UDP address.
Preferably, if no first matching data exists in the Redis database based on the user input information, searching second matching data in the Mysql database based on the user input information;
and reading the log information of the second matching data, and storing the log information of the second matching data into a Redis database.
Preferably, the second matching data is transmitted based on Websocket technology.
Preferably, the log information is binary log information.
Preferably, before the determining whether there is the first matching data in the Redis database based on the user input information, the method further includes:
and checking the user authority, receiving the information input by the user if the authority is accordant, and refusing the user to input the information if the authority is not accordant.
The invention also provides a fan data read-write device, which comprises an acquisition unit, a data reading unit and a data reading unit, wherein the acquisition unit is used for acquiring fan data;
the first storage unit is used for storing fan data into a Mysql database established based on a Linux system;
the log obtaining unit is used for obtaining log information in the Mysql database;
the second storage unit is used for storing the log information into a Redis database established based on a Linux system;
a receiving unit for receiving user input information;
a judging unit for judging whether there is first matching data in the Redis database based on the user input information,
a first obtaining unit for obtaining second matching data in the Mysql database based on the first matching data,
and the second acquisition unit is used for searching second matching data in the Mysql database based on the user input information.
The invention further provides a fan data reading and writing system, which comprises a memory, a processor and a computer program which is stored in the memory and can run on the processor, wherein the steps of the method are realized when the processor executes the computer program.
The invention also proposes a computer-readable storage medium, in which a computer program is stored, characterized in that the computer program, when being executed by a processor, implements the steps of the method as described above.
According to the fan data read-write method, device, system and medium based on Redis, the Redis database and the Mysql database are established based on the Linux system, the advantages of high read-write speed of the Redis database and large storage capacity of the Mysql database are combined, efficient read-write of fan data is achieved, the Mysql database is good in expandability, and the Linux system is high in safety performance.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
FIG. 1 is a flow chart illustrating a method for writing data into a blower according to an embodiment of the present invention;
FIG. 2 shows a flow chart of a method for reading data of a wind turbine in an embodiment of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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, but 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.
The embodiment of the invention provides a blower data read-write method based on Redis, which adopts a common storage mode of a Redis database and a Mysql database. The Redis database is a non-relational database, is based on a memory, has high read-write speed but has the limitation of insufficient memory space, and the Mysql database is a relational database, is based on disk storage, has large memory space, but has lower read-write speed compared with the Redis database. According to the characteristics of fan data, the advantages of a Redis database and a Mysql database are combined, the Redis database is responsible for high-performance reading, the Mysql database is responsible for storing a large amount of data, and meanwhile, the fan data real-time updating method has the advantages of high reading and writing speed and large storage capacity, and can efficiently realize real-time updating of the fan data.
Before reading and writing, a Redis database and a Mysql database need to be established based on a Linux fan monitoring system, and the security performance of the Linux system is higher than that of a windows system, so that the data security in the Redis database and the Mysql database established based on the Linux fan monitoring system is better.
The reading and writing method comprises a writing method and a reading method, referring to fig. 1, the writing method refers to writing the fan data into the Redis database and the Mysql database, and the reading method refers to reading the fan data from the Redis database and the Mysql database. The writing method specifically comprises the following steps: the method comprises the steps of collecting fan data, for example, collecting the power generation amount of the current year, the power generation amount of the current month, the power generation amount of the previous day, the current error and whether an alarm exists or not, wherein the power generation amount of the current year, the power generation amount of the current month and the power generation amount of the previous day are collected regularly every night, the current error and whether the alarm exists are obtained by a timer every few seconds, for example, the data can be obtained every 3 seconds, and relevant information and alarm information of the current error are recorded.
After fan data are collected, fan data are stored in an XML file through a Java language and a Modbus protocol, the XML file is well stored, and the XML file is stored in a Mysql database; the Modbus protocol can be utilized by computer programming languages such as Python, C + + and the like besides the Java language; the Modbus protocol can be replaced by a UDP protocol which can achieve the same effect; the XML file may also be replaced with a JSON file, and the data in the JSON file may also be saved in the Mysql database.
The log information in the Mysql database is obtained, specifically, data log information binlog (binary log information) in the Mysql database is analyzed through a User Defined Function (UDF), the binlog is much smaller than data in the Mysql database, the characteristic that the memory of a Redis database is small is adapted, the binlog is stored in the Redis database, and data synchronization between the binlog in the Redis database and the Mysql database is kept. When the data needs to be operated, the corresponding complete data in the Mysql database is read according to the index by the Redis operation index.
Referring to fig. 2, the reading method specifically includes: and if the user authority does not pass the authority verification for many times, the authority verification is terminated, and the user cannot input information at this moment. For example, the upper limit of the number of times of the authority verification is 3, and when the third authority verification fails, the input information cannot be continuously verified.
And after the authority verification is passed, extracting information input by the user, searching whether first matching data exists in the Redis database based on the information input by the user, for example, if the power generation amount is input by the user and 2018.11.18 is input by the user, searching the binlog related to the power generation amount 2018.11.18 from the Redis database, wherein the found binlog is the first matching data. And if the first matching data is found, acquiring second matching data in the Mysql database based on the first matching data, specifically, sending request information to MYSQL by using a Modbus protocol or a UDP protocol, wherein the content of the request information is the first matching data. And after the response of the mysql database is successful, second matching data can be obtained, and the second matching data is read, analyzed and displayed. If the first matching data is not found in the Redis database, second matching data is directly searched in the Mysql database based on user input information, for example, power generation amount is input by a user to 2018.11.18, data related to 2018.11.18 power generation amount is retrieved from the Mysql database, the found data is the second matching data, and the second matching data is read, analyzed and displayed. If no second matching data is found in the Mysql database, then the user is shown that no data was found.
If the fact that the Redis database does not have the first matching data is judged based on the user input information, second matching data is found in the Mysql database based on the user input information, and the second matching data in the Mysql database is not synchronized into the Redis database, so that log information of the second matching data is read, the log information of the second matching data is stored in the Redis database, the log information of the second matching data is synchronized into the Redis database, and if the same information is input by a subsequent user, the second matching data cannot be directly found from the Mysql database.
After the second matching data is obtained, the second matching data can be sent to the client based on the Websocket technology, so that real-time communication between the client and the server is achieved, the second matching data can be sent in a polling technology or a Commet (server push) mode, but hardware resources are saved as compared with the Websocket technology, the Websocket technology is full duplex communication, and the real-time performance is higher.
Illustratively, Redis stored keys and corresponding meanings are designed, see Table 1, and the table structure of the Mysql database, see Table 2.
TABLE 1 Key and corresponding meanings for redis storage
Table 2 Mysql database table structure
Through the technical scheme, the real-time monitoring, the fault early warning, the report statistics, the generated energy calculation, the power curve calculation and the like of the fan are realized, more visual fan information experience is provided for a user, the fan is maintained in time through the fault early warning, and unnecessary loss is reduced. The effects of safety, high performance and strong real-time performance are achieved.
The embodiment of the present invention further provides a fan data read/write device, including:
the acquisition unit is used for acquiring fan data;
the first storage unit is used for storing fan data into a Mysql database established based on a Linux system;
the log obtaining unit is used for obtaining log information in the Mysql database;
the second storage unit is used for storing the log information into a Redis database established based on a Linux system;
a receiving unit for receiving user input information;
a judging unit for judging whether there is first matching data in the Redis database based on the user input information,
a first obtaining unit for obtaining second matching data in the Mysql database based on the first matching data,
and the second acquisition unit is used for searching second matching data in the Mysql database based on the user input information.
The embodiment of the present invention further provides a fan data read-write system, where the read-write system includes a processor, a memory, and a computer program stored in the memory and capable of running on the processor, and when the processor executes the computer program, the steps in the read-write method embodiment are implemented, for example, the steps shown in fig. 1 or fig. 2. Alternatively, the processor implements the functions of the units in the embodiments of the reading and writing apparatus when executing the computer program.
Illustratively, the computer program may be partitioned into one or more modules/units that are stored in the memory and executed by the processor to implement the invention. The one or more modules/units may be a series of computer program instruction segments capable of performing specific functions, which are used to describe the execution process of the computer program in the read-write system.
The read-write system can be computing equipment such as a desktop computer, a notebook computer, a palm computer, a cloud server and the like. The read-write system may include, but is not limited to, a processor, a memory. Those skilled in the art will appreciate that additional more or fewer components may be included, or certain components may be combined, or different components may be included, for example, the read/write system may also include input/output devices, network access devices, buses, etc.
The Processor may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic, discrete hardware components, etc. The general processor may be a microprocessor or the processor may be any conventional processor, etc., and the processor is a control center of the read/write system and connects various parts of the whole read/write system by using various interfaces and lines.
The memory can be used for storing the computer program and/or the module, and the processor can realize various functions of the read-write system by running or executing the computer program and/or the module stored in the memory and calling data stored in the memory. The memory may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required by at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may store data (such as audio data, a phonebook, etc.) created according to the use of the cellular phone, and the like. In addition, the memory may include high speed random access memory, and may also include non-volatile memory, such as a hard disk, a memory, a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), at least one magnetic disk storage device, a Flash memory device, or other volatile solid state storage device.
The modules/units integrated with the read-write system can be stored in a computer-readable storage medium if they are implemented in the form of software functional units and sold or used as separate products. Based on such understanding, all or part of the flow of the method according to the embodiments of the present invention may also be implemented by a computer program, which may be stored in a computer-readable storage medium, and when the computer program is executed by a processor, the steps of the method embodiments may be implemented. Wherein the computer program comprises computer program code, which may be in the form of source code, object code, an executable file or some intermediate form, etc. The computer-readable storage medium may include: any entity or device capable of carrying the computer program code, recording medium, usb disk, removable hard disk, magnetic disk, optical disk, computer Memory, Read-Only Memory (ROM), Random Access Memory (RAM), electrical carrier wave signals, telecommunications signals, software distribution medium, and the like. It should be noted that the computer readable medium may contain content that is subject to appropriate increase or decrease as required by legislation and patent practice in jurisdictions, for example, in some jurisdictions, computer readable media does not include electrical carrier signals and telecommunications signals as is required by legislation and patent practice.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A fan data read-write method based on Redis is characterized by comprising a write-in method and a read-out method;
the writing method comprises the following steps:
collecting fan data;
storing fan data into a Mysql database established based on a Linux system;
acquiring log information in a Mysql database;
storing the log information into a Redis database established based on a Linux system;
the reading method comprises the following steps:
receiving user input information;
determining whether there is first matching data in the Redis database based on the user input information,
if so, acquiring second matching data in the Mysql database based on the first matching data,
if not, searching second matching data in the Mysql database based on the input information of the user.
2. The Redis-based blower data reading and writing method according to claim 1, wherein the storing of the blower data into a Mysql database established based on a Linux system specifically comprises:
reading a Modbus protocol or a UDP protocol through a computer language, storing fan data into an XML file or a JSON file, and storing the XML file or the JSON file into a Mysql database established based on a Linux system.
3. The Redis-based fan data reading and writing method according to claim 1, wherein the obtaining of the second matching data in the Mysql database based on the first matching data specifically comprises:
reading a Modbus protocol or a UDP protocol, acquiring a Modbus address or a UDP address, and acquiring second matching data in the Mysql database based on the first matching data and the Modbus address or the first matching data and the UDP address.
4. The Redis-based blower data reading and writing method according to claim 1, wherein if it is determined that there is no first matching data in the Redis database based on the user input information, finding a second matching data in the Mysql database based on the user input information;
and reading the log information of the second matching data, and storing the log information of the second matching data into a Redis database.
5. The Redis-based fan data reading and writing method according to claim 1, wherein the second matching data is sent based on a Websocket technology.
6. The Redis-based wind turbine data reading and writing method according to any one of claims 1-5, wherein the log information is binary log information.
7. The Redis-based fan data reading and writing method according to claim 1, wherein before determining whether there is first matching data in a Redis database based on user input information, the method further comprises:
and checking the user authority, receiving the information input by the user if the authority is accordant, and refusing the user to input the information if the authority is not accordant.
8. A fan data read-write device is characterized in that,
the acquisition unit is used for acquiring fan data;
the first storage unit is used for storing fan data into a Mysql database established based on a Linux system;
the log obtaining unit is used for obtaining log information in the Mysql database;
the second storage unit is used for storing the log information into a Redis database established based on a Linux system;
a receiving unit for receiving user input information;
a judging unit for judging whether there is first matching data in the Redis database based on the user input information,
a first obtaining unit for obtaining second matching data in the Mysql database based on the first matching data,
and the second acquisition unit is used for searching second matching data in the Mysql database based on the user input information.
9. A wind turbine data reading and writing system comprising a memory, a processor and a computer program stored in the memory and executable on the processor, wherein the processor when executing the computer program implements the steps of the method according to any one of claims 1 to 7.
10. A computer-readable storage medium, in which a computer program is stored which, when being executed by a processor, carries out the steps of the method according to any one of claims 1 to 7.
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