WO2020238057A1 - 基于Redis的mqtt集群的监控方法、装置及存储介质 - Google Patents
基于Redis的mqtt集群的监控方法、装置及存储介质 Download PDFInfo
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- WO2020238057A1 WO2020238057A1 PCT/CN2019/118006 CN2019118006W WO2020238057A1 WO 2020238057 A1 WO2020238057 A1 WO 2020238057A1 CN 2019118006 W CN2019118006 W CN 2019118006W WO 2020238057 A1 WO2020238057 A1 WO 2020238057A1
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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
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0654—Management of faults, events, alarms or notifications using network fault recovery
- H04L41/0663—Performing the actions predefined by failover planning, e.g. switching to standby network elements
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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
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
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- This application relates to the field of mqtt clusters, and in particular to a monitoring method, device and computer-readable storage medium for mqtt clusters based on Redis.
- the mqtt protocol is currently the standard transmission protocol for Internet of Things messages.
- mqtt products on the market which are basically clusters.
- the cluster implementation is either very poor or not implemented.
- the monitoring module needs to collect the data of each node.
- the monitoring module needs to send a notification message to each business network element, and to each The IP address of Redis stored by the service network element is modified, resulting in low efficiency of switching between master and slave servers.
- This application provides a Redis-based mqtt cluster monitoring method, device, and computer-readable storage medium, the main purpose of which is to improve the efficiency of switching between master and slave servers.
- this application provides a Redis-based mqtt cluster monitoring method, which is applied to an electronic device.
- the method includes: loading master-slave server configuration information stored in the Redis cache control system into the memory; The cache control system monitors the master server; when it is determined that one of the master servers is down, the configuration information of the master-slave server stored in the memory is changed through the Redis cache control system; the master-slave switching instruction is sent to the Redis cache control system
- One of the slave servers replaces the master server as the new master server, and changes the master server address reserved by other slave servers to the address of the new master server.
- the present application also provides an electronic device, the electronic device includes a memory and a processor, the memory stores a monitoring program of the Redis-based mqtt cluster that can run on the processor, and the Redis-based mqtt cluster
- the monitoring program is executed by the processor, the following steps are implemented: load the master-slave server configuration information stored in the Redis cache control system into the memory; monitor the master server through the Redis cache control system; when judging one of the master servers When it is down, change the configuration information of the master-slave server stored in the memory through the Redis cache control system; send a master-slave switching instruction to one of the slave servers to replace the master server as the new master server through the Redis cache control system, And change the address of the master server reserved by other slave servers to the address of the new master server.
- this application also provides a computer-readable storage medium on which is stored a monitoring program of the mqtt cluster based on Redis, and the monitoring program of the mqtt cluster based on Redis can be One or more processors are executed to realize the steps of the above-mentioned Redis-based mqtt cluster monitoring method.
- the Redis-based mqtt cluster monitoring method, device, and computer-readable storage medium provided in this application monitor the master-slave server through the Redis cache control system, and when it is determined that one of the master servers is down, the Redis cache control system Change the master-slave server configuration information stored in the memory to further switch the master-slave server, which can ensure timely and effective master-slave server switching, thereby improving the efficiency of master-slave server switching.
- FIG. 1 is a schematic flow diagram of a monitoring method for a Redis-based mqtt cluster provided by an embodiment of the application;
- FIG. 2 is a schematic diagram of the internal structure of an electronic device provided by an embodiment of the application.
- FIG. 3 is a schematic diagram of modules of a monitoring program of an mqtt cluster based on Redis in an electronic device provided by an embodiment of the application.
- This application provides a monitoring method of mqtt cluster based on Redis.
- FIG. 1 it is a schematic flowchart of a method for monitoring a Redis-based mqtt cluster provided by an embodiment of this application.
- the method may be executed by a device, and the device may be implemented by software and/or hardware.
- the device is a server.
- the monitoring method of the mqtt cluster based on Redis includes:
- S107 Send a master-slave switching instruction to one of the slave servers to replace the master server as the new master server through the Redis cache control system, and change the master server addresses reserved by other slave servers to the new master server the address of.
- each master server corresponds to multiple slave servers.
- the master server connects to the client, and the slave server is used to back up the data of the master server.
- the master server is down ,
- One of the slave servers corresponding to the down master server is switched to the master server by the Redis cache control system, and the master server address reserved by the other corresponding servers is changed to the address of the new master server.
- the method further includes:
- the Redis cache control system determines that the current client identifier of the currently accessed client is consistent with the stored client identifier, the currently accessed client is disconnected.
- the main server will store the client identifier of all connected clients.
- the Redis cache control system will look for the previous client The identifier is compared with the current client identifier, and if they are the same, the currently connected client is disconnected.
- the method further includes:
- the step of monitoring the main server through the Redis cache control system includes: sending a Ping command to the main server through the Redis cache control system within a preset time to monitor whether the main server is down. For example, send a Ping command to the main server every 5 seconds, 10 seconds, or 15 seconds.
- the step of loading the master-slave server configuration information stored in the Redis cache control system into the memory includes:
- the configuration information table includes the configuration information of the master server and the configuration information of the slave server;
- the configuration information of the master server includes the IP and port information of the master server, and the slave server
- the configuration information includes the IP and port information of the slave server;
- the configuration information table is sent and loaded into the memory.
- the Redis cache control system can judge the operation of the slave server, and change the master-slave configuration information stored in the memory when the slave server is judged to be normal, otherwise it will issue an alarm command to the alarm device.
- the monitoring method of the mqtt cluster based on Redis proposed in this embodiment monitors the master-slave server through the Redis cache control system.
- the Redis cache control system changes the master-slave stored in the memory Server configuration information to further switch between the master and slave servers, which can ensure timely and effective master-slave server switching, thereby improving the efficiency of master-slave server switching.
- it in addition to effectively monitoring the operation of the master server and the slave server, it can also monitor whether the client is reconnected, so that the monitoring effect is more comprehensive and effective.
- This application also provides an electronic device 1.
- FIG. 2 it is a schematic diagram of the internal structure of an electronic device provided by an embodiment of this application.
- the electronic device 1 may be a computer or a server.
- the electronic device 1 at least includes a memory 11, a processor 13, a communication bus 15, and a network interface 17.
- the electronic device 1 is a server.
- the memory 11 includes at least one type of readable storage medium, and the readable storage medium includes flash memory, hard disk, multimedia card, card-type memory (for example, SD or DX memory, etc.), magnetic memory, magnetic disk, optical disk, etc.
- the memory 11 may be an internal storage unit of the electronic device, such as a hard disk of the electronic device.
- the memory 11 may also be an external storage device of the electronic device, for example, a plug-in hard disk, a smart media card (SMC), and a secure digital (SD) card equipped on the electronic device. Flash Card, etc.
- the memory 11 may also include both an internal storage unit of an electronic device and an external storage device.
- the memory 11 can be used not only to store application software and various data installed in the electronic device 1, such as the code of the monitoring program 111 of the mqtt cluster based on Redis, etc., but also to temporarily store data that has been output or will be output.
- the processor 13 may be a central processing unit (CPU), controller, microcontroller, microprocessor, or other data processing chip in some embodiments, and is used to run the program code or processing stored in the memory 11 data.
- CPU central processing unit
- controller microcontroller
- microprocessor or other data processing chip in some embodiments, and is used to run the program code or processing stored in the memory 11 data.
- the communication bus 15 is used to realize the connection and communication between these components.
- the network interface 17 may optionally include a standard wired interface and a wireless interface (such as a WI-FI interface), and is generally used to establish a communication connection between the electronic device 1 and other electronic devices.
- a standard wired interface and a wireless interface such as a WI-FI interface
- the electronic device 1 may further include a user interface.
- the user interface may include a display (Display) and an input unit such as a keyboard (Keyboard).
- the optional user interface may also include a standard wired interface and a wireless interface.
- the display may be an LED display, a liquid crystal display, a touch-sensitive liquid crystal display, an OLED (Organic Light-Emitting Diode, organic light emitting diode) touch device, etc.
- the display can also be appropriately called a display screen or a display unit, which is used to display information processed in the electronic device and to display a visualized user interface.
- FIG. 2 only shows the electronic device 1 with components 11-17. Those skilled in the art can understand that the structure shown in FIG. 2 does not constitute a limitation on the electronic device, and may include fewer or more components than shown. Component, or combination of some components, or different component arrangements.
- the memory 11 stores a monitoring program 111 based on the Redis mqtt cluster; when the processor 13 executes the monitoring program 111 based on the Redis mqtt cluster stored in the memory 11, the implementation is as follows step:
- the configuration information of the primary and secondary servers stored in the memory is changed through the Redis cache control system
- each master server corresponds to multiple slave servers.
- the master server connects to the client, and the slave server is used to back up the data of the master server.
- the master server is down ,
- One of the slave servers corresponding to the down master server is switched to the master server by the Redis cache control system, and the master server address reserved by the other corresponding servers is changed to the address of the new master server.
- the following steps are implemented when the monitoring program of the mqtt cluster based on Redis is executed by the processor:
- the Redis cache control system determines that the current client identifier of the currently accessed client is consistent with the stored client identifier, the currently accessed client is disconnected.
- the main server will store the client identifier of all connected clients.
- the Redis cache control system will look up the previous client identifier Compare with the current client identifier, if the same, disconnect the currently connected client.
- the following steps are implemented when the monitoring program of the mqtt cluster based on Redis is executed by the processor before determining whether the current client identifier of the previously accessed client is consistent with the stored client identifier:
- the step of monitoring the main server through the Redis cache control system includes: sending a Ping command to the main server through the Redis cache control system within a preset time to monitor whether the main server is down. For example, send a Ping command to the main server every 5 seconds, 10 seconds, or 15 seconds.
- the step of loading the master-slave server configuration information stored in the Redis cache control system into the memory includes:
- the configuration information table includes the configuration information of the master server and the configuration information of the slave server;
- the configuration information of the master server includes the IP and port information of the master server, and the slave server
- the configuration information includes the IP and port information of the slave server;
- the configuration information table is sent and loaded into the memory.
- the Redis cache control system can judge the operation of the slave server, and change the master-slave configuration information stored in the memory when the slave server is judged to be normal, otherwise it will issue an alarm command to the alarm device.
- the electronic device proposed in this embodiment monitors the master-slave server through the Redis cache control system.
- the Redis cache control system changes the master-slave server configuration information stored in the memory, thereby further Switching the master-slave server can ensure timely and effective switching of the master-slave server, thereby improving the efficiency of the master-slave server switching.
- the client in addition to effectively monitoring the operation of the master server and the slave server, it can also monitor whether the client is reconnected, so that the monitoring effect is more comprehensive and effective.
- an embodiment of the present application also proposes a computer-readable storage medium that stores a monitoring program 111 based on the Redis mqtt cluster on the computer-readable storage medium, and the monitoring program 111 based on the Redis mqtt cluster can be One or more processors execute to implement the following operations: load the master-slave server configuration information stored in the Redis cache control system into the memory;
- the configuration information of the primary and secondary servers stored in the memory is changed through the Redis cache control system
- each master server corresponds to multiple slave servers.
- the master server connects to the client, and the slave server is used to back up the data of the master server.
- the master server is down ,
- One of the slave servers corresponding to the down master server is switched to the master server by the Redis cache control system, and the master server address reserved by the other corresponding servers is changed to the address of the new master server.
- the monitoring program 111 of the Redis-based mqtt cluster may also be divided into one or more modules, one or more modules are stored in the memory 11, and composed of one or more modules.
- the processor (the processor 13 in this embodiment) is executed to complete this application.
- the module referred to in this application refers to a series of computer program instruction segments that can complete specific functions, and is used to describe the monitoring program 111 of the mqtt cluster based on Redis. The execution process in the electronic device.
- FIG. 3 a schematic diagram of the program modules of the monitoring program 111 of the mqtt cluster based on Redis in an embodiment of the electronic device of this application.
- the monitoring program 111 of the mqtt cluster based on Redis can be divided into The loading module 10, the monitoring module 20, the changing module 30, and the switching module 40 are illustratively:
- the loading module 10 is used to load the master-slave server configuration information stored in the Redis cache control system into the memory;
- the monitoring module 20 is used to monitor the main server through the Redis cache control system
- the change module 30 is used to change the configuration information of the master and slave servers stored in the memory through the Redis cache control system when it is determined that one of the master servers is down.
- the switching module 40 is configured to send a master-slave switching instruction to one of the slave servers through the Redis cache control system to replace the master server as the new master server, and change the master server addresses reserved by other slave servers Is the address of the new main server.
- each master server corresponds to multiple slave servers.
- the master server connects to the client, and the slave server is used to back up the data of the master server.
- the master server is down ,
- One of the slave servers corresponding to the down master server is switched to the master server by the Redis cache control system, and the master server address reserved by the other corresponding servers is changed to the address of the new master server.
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Claims (20)
- 一种基于Redis的mqtt集群的监控方法,应用于电子装置,其特征在于,所述方法包括:将存储在Redis缓存控制系统中的主从服务器配置信息加载到内存中;通过Redis缓存控制系统对主服务器进行监控;当判断其中一主服务器宕机时,通过所述Redis缓存控制系统变更内存中保存的主从服务器配置信息;通过所述Redis缓存控制系统发送主从切换指令给其中一从服务器替代所述主服务器作为新的主服务器,并将其它从服务器保留的所述主服务器地址改为所述新的主服务器的地址。
- 如权利要求1所述的基于Redis的mqtt集群的监控方法,其特征在于,所述方法还包括:存储已接入的客户端的客户端标识符;通过所述Redis缓存控制系统判断当前接入的客户端的当前客户端标识符与存储的客户端标识符一致时,断开当前接入的客户端。
- 如权利要求2所述的基于Redis的mqtt集群的监控方法,其特征在于,在判断前接入的客户端的当前客户端标识符与存储的客户端标识符是否一致之前,所述方法还包括:先判断存储的客户端标识符对应的客户端是否都正常连接;如果是,则判断当前接入的客户端的当前客户端标识符与存储的客户端标识符一致时,断开当前接入的客户端;如果不是,找出不是正常连接的客户端对应的客户端标识符,并与当前的客户端标识符进行对比判断是否相同,如果相同,则判断所述当前接入的客户端为断开重连,并连接所述当前客户端。
- 如权利要求1所述的基于Redis的mqtt集群的监控方法,其特征在于, 所述通过Redis缓存控制系统对主服务器进行监控的步骤包括:在预设时间内通过所述Redis缓存控制系统对所述主服务器发送Ping命令来监控主服务器是否宕机。
- 如权利要求2所述的基于Redis的mqtt集群的监控方法,其特征在于,所述通过Redis缓存控制系统对主服务器进行监控的步骤包括:在预设时间内通过所述Redis缓存控制系统对所述主服务器发送Ping命令来监控主服务器是否宕机。
- 如权利要求3所述的基于Redis的mqtt集群的监控方法,其特征在于,所述通过Redis缓存控制系统对主服务器进行监控的步骤包括:在预设时间内通过所述Redis缓存控制系统对所述主服务器发送Ping命令来监控主服务器是否宕机。
- 如权利要求1-6任一项所述的基于Redis的mqtt集群的监控方法,其特征在于,所述将存储在Redis缓存控制系统中的主从服务器配置信息加载到内存中的步骤包括:在Redis缓存控制系统中创建配置信息表,所述配置信息表包含了主服务器的配置信息及从服务器的配置信息;所述主服务器的配置信息包含主服务器的IP和端口信息,所述从服务器的配置信息包含从服务器的IP和端口信息;将所述配置信息表发送加载至内存中。
- 一种电子装置,其特征在于,所述电子装置包括存储器和处理器,所述存储器上存储有可在所述处理器上运行的基于Redis的mqtt集群的监控程序,所述基于Redis的mqtt集群的监控程序被所述处理器执行时实现如下步骤:将存储在Redis缓存控制系统中的主从服务器配置信息加载到内存中;通过Redis缓存控制系统对主服务器进行监控;当判断其中一主服务器宕机时,通过所述Redis缓存控制系统变更内存中保存的主从服务器配置信息;通过所述Redis缓存控制系统发送主从切换指令给其中一从服务器一替代所述主服务器作为新的主服务器,并将其它从服务器保留的所述主服务器地址改为所述新的主服务器的地址。
- 如权利要求8所述的电子装置,其特征在于,还包括:存储已接入的客户端的客户端标识符;通过所述Redis缓存控制系统判断当前接入的客户端的当前客户端标识符与存储的客户端标识符一致时,断开当前接入的客户端。
- 如权利要求9所述的电子装置,其特征在于,在判断前接入的客户端的当前客户端标识符与存储的客户端标识符是否一致之前,还包括:先判断存储的客户端标识符对应的客户端是否都正常连接;如果是,则判断当前接入的客户端的当前客户端标识符与存储的客户端标识符一致时,断开当前接入的客户端;如果不是,找出不是正常连接的客户端对应的客户端标识符,并与当前的客户端标识符进行对比判断是否相同,如果相同,则判断所述当前接入的客户端为断开重连,并连接所述当前客户端。
- 如权利要求8所述的电子装置,其特征在于,所述通过Redis缓存控制系统对主服务器进行监控的步骤包括:在预设时间内通过所述Redis缓存控制系统对所述主服务器发送Ping命令来监控主服务器是否宕机。
- 如权利要求9所述的电子装置,其特征在于,所述通过Redis缓存控制系统对主服务器进行监控的步骤包括:在预设时间内通过所述Redis缓存控制系统对所述主服务器发送Ping命令来监控主服务器是否宕机。
- 如权利要求10所述的电子装置,其特征在于,所述通过Redis缓存控制系统对主服务器进行监控的步骤包括:在预设时间内通过所述Redis缓存控制系统对所述主服务器发送Ping命 令来监控主服务器是否宕机。
- 如权利要求8-13任一项所述的电子装置,其特征在于,所述将存储在Redis缓存控制系统中的主从服务器配置信息加载到内存中的步骤包括:在Redis缓存控制系统中创建配置信息表,所述配置信息表包含了主服务器的配置信息及从服务器的配置信息;所述主服务器的配置信息包含主服务器的IP和端口信息,所述从服务器的配置信息包含从服务器的IP和端口信息;将所述配置信息表发送加载至内存中。
- 一种计算机可读存储介质,其特征在于,所述计算机可读存储介质上存储有基于Redis的mqtt集群的监控程序,所述基于Redis的mqtt集群的监控程序可被一个或者多个处理器执行,以实现如下步骤:将存储在Redis缓存控制系统中的主从服务器配置信息加载到内存中;通过Redis缓存控制系统对主服务器进行监控;当判断其中一主服务器宕机时,通过所述Redis缓存控制系统变更内存中保存的主从服务器配置信息;通过所述Redis缓存控制系统发送主从切换指令给其中一从服务器一替代所述主服务器作为新的主服务器,并将其它从服务器保留的所述主服务器地址改为所述新的主服务器的地址。
- 如权利要求15所述的计算机可读存储介质,其特征在于,还包括:存储已接入的客户端的客户端标识符;通过所述Redis缓存控制系统判断当前接入的客户端的当前客户端标识符与存储的客户端标识符一致时,断开当前接入的客户端。
- 如权利要求16所述的计算机可读存储介质,其特征在于,在判断前接入的客户端的当前客户端标识符与存储的客户端标识符是否一致之前,还包括:先判断存储的客户端标识符对应的客户端是否都正常连接;如果是,则判断当前接入的客户端的当前客户端标识符与存储的客户端 标识符一致时,断开当前接入的客户端;如果不是,找出不是正常连接的客户端对应的客户端标识符,并与当前的客户端标识符进行对比判断是否相同,如果相同,则判断所述当前接入的客户端为断开重连,并连接所述当前客户端。
- 如权利要求15所述的计算机可读存储介质,其特征在于,所述通过Redis缓存控制系统对主服务器进行监控的步骤包括:在预设时间内通过所述Redis缓存控制系统对所述主服务器发送Ping命令来监控主服务器是否宕机。
- 如权利要求16所述的计算机可读存储介质,其特征在于,所述通过Redis缓存控制系统对主服务器进行监控的步骤包括:在预设时间内通过所述Redis缓存控制系统对所述主服务器发送Ping命令来监控主服务器是否宕机。
- 如权利要求15-19任一项所述的计算机可读存储介质,其特征在于,所述将存储在Redis缓存控制系统中的主从服务器配置信息加载到内存中的步骤包括:在Redis缓存控制系统中创建配置信息表,所述配置信息表包含了主服务器的配置信息及从服务器的配置信息;所述主服务器的配置信息包含主服务器的IP和端口信息,所述从服务器的配置信息包含从服务器的IP和端口信息;将所述配置信息表发送加载至内存中。
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