CN113032412B - Data synchronization method, device, electronic equipment and computer readable medium - Google Patents
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Abstract
Embodiments of the present disclosure disclose a data synchronization method, apparatus, electronic device, and computer readable medium. One embodiment of the method comprises the following steps: generating a task key value pair of the target data synchronization task in response to receiving the parameter information of the target data synchronization task; and responding to the execution state information included in the value of the front father task key value pair of the task key value pair to characterize the completion of execution, and selecting an execution node from the execution node cluster as a target execution node according to the health degree of each execution node in the execution node cluster, wherein the target execution node is used for responding to the connection state of the source database as a connected state, sending a data synchronization operation statement generated according to the address information of the source database and the synchronization type to a target database based on the address information of the target database, and the target database is used for executing the data synchronization operation statement. The embodiment can reduce the number of load abnormality occurrence of the equipment for executing the data synchronization task.
Description
Technical Field
Embodiments of the present disclosure relate to the field of computer technology, and in particular, to a data synchronization method, apparatus, electronic device, and computer readable medium.
Background
With the popularity and development of computer technology, data generated by network applications has increased in size. The prior art often adopts a distributed database to store mass data. In order to avoid data loss or damage caused by a failure of a distributed database, it is often necessary to synchronize data in a database to be backed up to a backup database. Currently, when synchronizing data in a database to be backed up to a backup database, the following methods are generally adopted: and acquiring data to be backed up from the database to be backed up, and synchronizing the data to be backed up to the backup database.
However, when the data synchronization operation is performed in the above manner, there are often the following technical problems:
firstly, when a plurality of data synchronization tasks exist, the number of times of load abnormality of equipment for executing the data synchronization tasks is often increased, so that the number of times of interruption of the data synchronization tasks is increased;
secondly, real-time verification processing is not carried out on the synchronous data, so that abnormal synchronous data cannot be positioned relatively quickly when the data is abnormal in synchronization.
Disclosure of Invention
The disclosure is in part intended to introduce concepts in a simplified form that are further described below in the detailed description. The disclosure is not intended to identify key features or essential features of the claimed subject matter, nor is it intended to be used to limit the scope of the claimed subject matter.
Some embodiments of the present disclosure propose data synchronization methods, apparatuses, electronic devices, and computer-readable media to solve one or more of the technical problems mentioned in the background section above.
In a first aspect, some embodiments of the present disclosure provide a data synchronization method, the method comprising: generating a task key value pair of a target data synchronization task in response to receiving parameter information of the target data synchronization task, wherein the parameter information comprises source database address information of a source database corresponding to the target data synchronization task, target database address information of a target database corresponding to the target data synchronization task and a synchronization type; and responding to the execution state information included in the value of the leading father task key value pair of the task key value pair to represent the completion of execution, and selecting an execution node from the execution node cluster as a target execution node according to the health degree of each execution node in the execution node cluster, wherein the target execution node is used for responding to the connection state of the source database as a connected state, sending a data synchronization operation statement generated according to the source database address information and the synchronization type to the target database based on the target database address information, and the target database is used for executing the data synchronization operation statement.
Optionally, the method further comprises: obtaining a target data synchronization operation log from the target database, wherein the target data synchronization operation log comprises a synchronization data set; for each of the above-described sets of synchronization data, the following steps are performed: determining whether the source database meets a preset abnormal condition corresponding to a data synchronization operation type corresponding to the synchronization data; and in response to the determination, transmitting the synchronous data to the target terminal equipment.
Optionally, before selecting the execution node from the execution node cluster as the target execution node, the method further includes: responding to the connection state of the source database as the connected state, and acquiring target data from the source database; transmitting a preset data synchronization operation statement to the target database; and generating a data delay detection result based on the time of receiving the execution result and the time of acquiring the target data in response to receiving the execution result sent by the target database, wherein the data delay detection result represents whether data synchronization is delayed or not.
Optionally, the selecting an execution node from the execution node cluster as a target execution node includes: and responding to the data delay detection result to indicate that the data synchronization is not delayed, and selecting an execution node from the execution node cluster as a target execution node.
Optionally, the generating the data delay detection result includes: determining the time for acquiring the target data as target time; determining the interval duration of the time for receiving the execution result and the target time as a target duration; and generating a data delay detection result representing that the data synchronization is not delayed in response to the target duration meeting a preset condition.
Optionally, the method further comprises: and controlling the associated first alarm equipment to execute a first alarm operation in response to the data delay detection result to represent the data synchronization delay.
Optionally, the method further comprises: acquiring the data volume and the speed of acquiring the data from a corresponding source database by each executing node in the executing node cluster to obtain a data volume set and a speed set; and controlling the associated second alarm equipment to execute a second alarm operation in response to the existence of the data quantity meeting the abnormal data quantity condition in the data quantity set or the existence of the speed meeting the abnormal speed condition in the speed set.
In a second aspect, some embodiments of the present disclosure provide a data synchronization apparatus, the apparatus comprising: the generating unit is configured to generate a task key value pair of the target data synchronization task in response to receiving parameter information of the target data synchronization task, wherein the parameter information comprises source database address information of a source database corresponding to the target data synchronization task, target database address information of a target database corresponding to the target data synchronization task and a synchronization type; and a selection unit configured to characterize execution completion in response to execution state information included in a value of a leading parent task key value pair of the task key value pair, and select an execution node from the execution node cluster as a target execution node according to health of each execution node in the execution node cluster, wherein the target execution node is configured to send, based on the target database address information, a data synchronization operation statement generated according to the source database address information and the synchronization type to the target database, the target database being configured to execute the data synchronization operation statement in response to a connection state of the source database being a connected state.
Optionally, the apparatus further comprises: an acquisition unit and an execution unit. The acquisition unit is configured to acquire a target data synchronization operation log from the target database, wherein the target data synchronization operation log comprises a synchronization data set. The execution unit is configured to perform the following steps for each of the above-mentioned sets of synchronization data: determining whether the source database meets a preset abnormal condition corresponding to a data synchronization operation type corresponding to the synchronization data; and in response to the determination, transmitting the synchronous data to the target terminal equipment.
Optionally, before selecting the unit, the apparatus further comprises: a target data acquisition unit, a transmission unit and a data delay detection result generation unit. The target data acquisition unit is configured to acquire target data from the source database in response to the connection state of the source database being a connected state. The transmitting unit is configured to transmit a preset data synchronization operation sentence to the target database. The data delay detection result generation unit is configured to generate a data delay detection result based on a time when the execution result is received and a time when the target data is acquired in response to receiving the execution result transmitted by the target database, wherein the data delay detection result characterizes whether data synchronization is delayed.
Optionally, the selection unit is further configured to: and responding to the data delay detection result to indicate that the data synchronization is not delayed, and selecting an execution node from the execution node cluster as a target execution node.
Optionally, the data delay detection result generating unit is further configured to: determining the time for acquiring the target data as target time; determining the interval duration of the time for receiving the execution result and the target time as a target duration; and generating a data delay detection result representing that the data synchronization is not delayed in response to the target duration meeting a preset condition.
Optionally, the apparatus further comprises: and a first alarm device control unit configured to control the associated first alarm device to perform a first alarm operation in response to the data delay detection result characterizing the data synchronization delay.
Optionally, the apparatus further comprises: the data volume and speed acquisition unit and the second alarm equipment control unit. The data quantity and speed acquisition unit is configured to acquire the data quantity and the speed of acquiring the data from the corresponding source database by each execution node in the execution node cluster, so as to obtain a data quantity set and a speed set. The second alarm device control unit is configured to control the associated second alarm device to perform a second alarm operation in response to the presence of a data volume in the set of data volumes satisfying the abnormal data volume condition, or the presence of a speed in the set of speeds satisfying the abnormal speed condition.
In a third aspect, some embodiments of the present disclosure provide an electronic device comprising: one or more processors; a storage device having one or more programs stored thereon, which when executed by one or more processors causes the one or more processors to implement the method described in any of the implementations of the first aspect above.
In a fourth aspect, some embodiments of the present disclosure provide a computer readable medium having a computer program stored thereon, wherein the program, when executed by a processor, implements the method described in any of the implementations of the first aspect above.
The above embodiments of the present disclosure have the following advantageous effects: by the data synchronization method of some embodiments of the present disclosure, the number of data synchronization task interrupts is reduced. Specifically, the reason why the number of times of interruption of the data synchronization task is caused is that: when there are a plurality of data synchronization tasks, the number of load anomalies occurring in the device performing the data synchronization tasks tends to increase. Based on this, the data synchronization method of some embodiments of the present disclosure first generates a task key value pair of the target data synchronization task described above in response to receiving parameter information of the target data synchronization task. The parameter information comprises source database address information of a source database corresponding to the target data synchronization task, target database address information of a target database corresponding to the target data synchronization task and a synchronization type. Thereby, the execution state of the data synchronization task can be monitored. Thus, a plurality of data synchronization tasks can be uniformly scheduled by the execution state. And then, responding to the execution state information included in the value of the front father task key value pair of the task key value pair to characterize the completion of execution, and selecting the execution node from the execution node cluster as a target execution node according to the health degree of each execution node in the execution node cluster. And the target execution node is used for responding to the connection state of the source database as the connected state and transmitting the data synchronization operation statement generated according to the address information of the source database and the synchronization type to the target database based on the address information of the target database. The target database is used for executing the data synchronization operation statement. Thus, the load-balanced execution node can be selected from the plurality of execution nodes, so that the load-balanced execution node can be determined as the execution node for executing the target data synchronization task. Because the plurality of data synchronization tasks can be uniformly scheduled, and the load of the execution nodes for executing the target data synchronization tasks is balanced, when the plurality of data synchronization tasks exist, the number of times that the load of the equipment for executing the data synchronization tasks is abnormal can be reduced.
Drawings
The above and other features, advantages, and aspects of embodiments of the present disclosure will become more apparent by reference to the following detailed description when taken in conjunction with the accompanying drawings. The same or similar reference numbers will be used throughout the drawings to refer to the same or like elements. It should be understood that the figures are schematic and that elements and components are not necessarily drawn to scale.
1-2 are schematic diagrams of one application scenario of a data synchronization method according to some embodiments of the present disclosure;
FIG. 3 is a flow chart of some embodiments of a data synchronization method according to the present disclosure;
FIG. 4 is a flow chart of other embodiments of a data synchronization method according to the present disclosure;
FIG. 5 is a schematic diagram of the structure of some embodiments of a data synchronization device according to the present disclosure;
fig. 6 is a schematic structural diagram of an electronic device suitable for use in implementing some embodiments of the present disclosure.
Detailed Description
Embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While certain embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete. It should be understood that the drawings and embodiments of the present disclosure are for illustration purposes only and are not intended to limit the scope of the present disclosure.
It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings. Embodiments of the present disclosure and features of embodiments may be combined with each other without conflict.
It should be noted that the terms "first," "second," and the like in this disclosure are merely used to distinguish between different devices, modules, or units and are not used to define an order or interdependence of functions performed by the devices, modules, or units.
It should be noted that references to "one", "a plurality" and "a plurality" in this disclosure are intended to be illustrative rather than limiting, and those of ordinary skill in the art will appreciate that "one or more" is intended to be understood as "one or more" unless the context clearly indicates otherwise.
The names of messages or information interacted between the various devices in the embodiments of the present disclosure are for illustrative purposes only and are not intended to limit the scope of such messages or information.
The present disclosure will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Fig. 1-2 are schematic diagrams of one application scenario of a data synchronization method according to some embodiments of the present disclosure.
In the application scenario of fig. 1, first, the computing device 101 may generate the task key value pair 103 of the target data synchronization task in response to receiving the parameter information 102 of the target data synchronization task. The parameter information 102 may include source database address information 104 of the source database corresponding to the target data synchronization task, target database address information 105 of the target database corresponding to the target data synchronization task, and synchronization type 106. For example, the source database address information 104 may be IP address information of the source database. The target database address information 105 may be IP address information of the target database. Then, the computing device 101 may select, in response to the execution status information included in the value of the parent task key pair of the task key pair 103, the execution node from the execution node cluster 107 as the target execution node 108 according to the health of each execution node in the execution node cluster 107. The target execution node 108 may be configured to send, based on the target database address information 105, a data synchronization operation statement generated according to the source database address information 104 and the synchronization type 106 to the target database in response to the connection state of the source database being a connected state. The target database may be used to execute the data synchronization operation statement.
Alternatively, as shown in fig. 2, first, the computing device 101 may obtain the data volume of the data and the speed of obtaining the data from the corresponding source database by each executing node in the executing node cluster 107, so as to obtain a data volume set 109 and a speed set 110. The computing device 101 may then control the associated second alert device 111 to perform a second alert operation in response to the presence of an amount of data in the set of amounts of data 109 that satisfies the abnormal amount of data condition, or the presence of a speed in the set of speeds 110 that satisfies the abnormal speed condition. For example, the second alarm device 111 may be an alarm having a function of playing audio.
The computing device 101 may be hardware or software. When the computing device is hardware, the computing device may be implemented as a distributed cluster formed by a plurality of servers or terminal devices, or may be implemented as a single server or a single terminal device. When the computing device is embodied as software, it may be installed in the hardware devices listed above. It may be implemented as a plurality of software or software modules, for example, for providing distributed services, or as a single software or software module. The present invention is not particularly limited herein.
It should be understood that the number of computing devices in fig. 1-2 is merely illustrative. There may be any number of computing devices, as desired for an implementation.
With continued reference to fig. 3, a flow 300 of some embodiments of a data synchronization method according to the present disclosure is shown. The data synchronization method comprises the following steps:
step 301, generating a task key value pair of the target data synchronization task in response to receiving the parameter information of the target data synchronization task.
In some embodiments, an executing body of the data synchronization method (e.g., computing device 101 shown in fig. 1) may generate a task key value pair of a target data synchronization task described above in response to receiving parameter information of the target data synchronization task. The target data synchronization task may be a data synchronization task corresponding to the currently received parameter information. The task key pair may be a key pair for recording information related to a corresponding data synchronization task. The value of the task key value pair may include execution state information of the target data synchronization task. The key of the task key value pair may be the identification of the corresponding data synchronization task. The execution status information may be status information of execution progress of the corresponding data synchronization task. For example, the execution status information may be "completed", which indicates that the corresponding data synchronization task has been executed. For another example, the execution status information may be "to be completed", which indicates that the corresponding data synchronization task is not executed. For another example, the execution status information may be "in execution", which indicates that the corresponding data synchronization task is being executed. The parameter information may include source database address information of a source database corresponding to the target data synchronization task, target database address information of a target database corresponding to the target data synchronization task, and a synchronization type. The source database may be a database that needs to be backed up. The address information of the source database may be IP address information of the source database. The target database may be a database for storing data that needs to be backed up in the source database. The target database address information may be IP address information of the target database. The synchronization type may be a type of a synchronization manner of the target data synchronization task. For example, the above-described synchronization type may be a "full-volume synchronization type". As another example, the synchronization type may also be an "incremental synchronization type". The "full-volume sync type" may be a sync type that synchronizes all data in a database. The "delta-sync type" may be a sync type that synchronizes the generated data after the update time point. The update time point may be a time point when the data is synchronized last time. Therefore, the execution state of the data synchronization task can be monitored, so that a plurality of data synchronization tasks can be uniformly scheduled through the execution state.
Step 302, in response to the execution state information included in the value of the leading parent task key value pair of the task key value pair representing that execution is completed, selecting an execution node from the execution node cluster as a target execution node according to the health degree of each execution node in the execution node cluster.
In some embodiments, the execution body may characterize execution completion in response to execution state information included in a value of a parent task key pair of the task key pair, and select an execution node from the execution node cluster as a target execution node according to health of each execution node in the execution node cluster. The preset father task key value pair may be a task key value pair of a father data synchronization task of the target data synchronization task. And executing the data synchronization task corresponding to the front father task key value pair before the target data synchronization task. The executing nodes in the executing node cluster may be nodes for executing data synchronization tasks. The executing nodes in the executing node cluster may be databases. For example, the executing node may be a MYSQL database. The health degree may be used to quantify an operation state of a device corresponding to the execution node. The greater the health degree, the smaller the load of the equipment corresponding to the characterization execution node. In practice, the health degree can be generated by the disk occupancy rate, the memory occupancy rate, the central processing unit occupancy rate and the number of data synchronization tasks of the equipment corresponding to the corresponding execution node. For example, the execution body may generate the health of each execution node in the execution node cluster by the following formula:
Wherein, healScore represents the health of the executing nodes. And A represents the disk occupancy rate of the equipment corresponding to the executing node. B represents the memory occupancy rate of the device corresponding to the executing node. C represents the occupancy rate of the CPU of the device corresponding to the executing node. D represents the number of data synchronization tasks in execution on the device corresponding to the execution node.
The target execution node may be configured to send, based on the target database address information, a data synchronization operation statement generated according to the source database address information and the synchronization type to the target database in response to the connection state of the source database being a connected state. The connection status may characterize a status type of connection of the target execution node to the source database. For example, the connection state may be a "connected state", which indicates that the network connection is normal or that the user name and user password of the source database are correct. For another example, the connection state may be an "unconnected state", which indicates that the network is unconnected, or that the user name and/or user password of the source database are wrong. The data synchronization operation statement may be a programming statement for accessing data and querying and updating a database. For example, the data synchronization operation statement may be an SQL (Structured Query Language ) statement.
In practice, the target execution node may generate the data synchronization operation statement by:
and the first step is to acquire the data to be synchronized from the source database according to the synchronization type and the address information of the source database. In practice, the target executing node may obtain, as the data to be synchronized, the full-size data in the table to be updated in the source database in response to the synchronization type being "full-size synchronization type". The target executing node may further obtain incremental data in the source database as data to be synchronized in response to the synchronization type being "incremental synchronization type". The total data may be all data in the table to be updated. The delta data may be data after last export in the table to be updated.
And a second step of generating a data synchronization operation statement according to the data to be synchronized. In practice, the target execution node may generate a data synchronization operation statement based on the data to be synchronized and the target data synchronization operation command. The target data synchronization operation command may be a command (e.g., SQL command) of a structured query language. When the data to be synchronized is full data, the target data synchronization operation command is an insert command. When the data to be synchronized is incremental data and the event type of the data synchronization is update, the target data synchronization command is an update command. The target database may be configured to execute the data synchronization operation statement to perform a data synchronization operation on the target database.
In practice, the execution body may select, as the target execution node, an execution node satisfying a predetermined condition from the execution node cluster. The predetermined condition may be that "the health degree corresponding to the execution node is a maximum value of the health degrees corresponding to the execution nodes in the execution node cluster".
The load-balanced execution node may be selected among the plurality of execution nodes, such that the load-balanced execution node may be determined as the execution node performing the target data synchronization task, via step 302.
Optionally, before step 302, first, the executing body may obtain the target data from the source database in response to the connection state of the source database being a connected state. The connection state may be a state type of connection between the execution body and the source database. The target data may be at least one piece of data to be synchronized in the source database. Then, the preset data synchronization operation statement may be sent to the target database. The preset data synchronization operation statement may be a preset data synchronization operation statement. For example, the preset data sync operation sentence may be "select 1". Finally, in response to receiving the execution result transmitted from the target database, a data delay detection result may be generated by various methods based on the time when the execution result was received and the time when the target data was acquired. The data delay detection result may represent whether the data synchronization is delayed. The execution result may be a feedback result generated after the target database executes a preset data synchronization operation statement. The execution result may be execution success or execution failure. Therefore, the time delay condition of the data synchronization can be detected before the data synchronization, and the times of abnormal conditions with longer time delay in the execution of the data synchronization task are reduced.
Alternatively, the execution body may generate the data delay detection result by:
first, determining the time when the target data is acquired as a target time. In practice, the execution subject may obtain the time to acquire the target data by: an import time; time.
And a second step of determining the interval duration between the time for receiving the execution result and the target time as a target duration. In practice, the execution subject may acquire the time of receiving the execution result from a database for storing the time of receiving the execution result. The execution subject may subtract the time of receiving the execution result from the target time to generate the target time period.
And thirdly, generating a data delay detection result representing that the data synchronization is not delayed in response to the fact that the target duration meets a preset condition. The preset condition may be that the target duration is less than a predetermined duration. Here, the setting of the preset time period is not limited.
In some optional implementations of some embodiments, the execution body may select an execution node from the execution node cluster as the target execution node in response to the data latency detection result characterizing that data synchronization is not delayed. Therefore, under the condition that the data delay detection passes, the target execution node can be selected to execute the data synchronization task, so that the number of times of abnormal situations with longer delay in the execution of the data synchronization task is reduced.
Optionally, the executing body may control the associated first alarm device to execute the first alarm operation in response to the data delay detection result characterizing the data synchronization delay. The first alarm device may be a display device. The first alarm operation may be an operation of displaying a predetermined icon. The predetermined icon may be a "warning icon". In practice, the executing entity may control the associated display device to display a preset icon in response to the data delay detection result to characterize the data synchronization delay. Therefore, the alarm prompt can be carried out under the condition of data synchronization delay.
Alternatively, first, the executing body may acquire the data volume of the data and the speed of acquiring the data from the corresponding source database by each executing node in the executing node cluster, so as to obtain a data volume set and a speed set. Then, the associated second alarm device may be controlled to perform a second alarm operation in response to the presence of a data volume in the set of data volumes meeting the abnormal data volume condition, or the presence of a speed in the set of speeds meeting the abnormal speed condition. The abnormal data amount condition may be that "the data amount is greater than a preset data amount". The abnormal speed condition may be that "the speed is less than a preset speed". Here, the setting of the preset data amount and the preset speed is not limited. The second alarm device may be a sound box. The second alarm operation may be an operation of playing a preset audio. It is understood that the first alarm device and the second alarm device may be the same device or different devices. The first alarm operation and the second alarm operation may be the same operation or different operations. In practice, the executing body may control the associated speaker device to play the preset audio. Thus, the alarm prompt can be carried out under the condition of abnormal data quantity or abnormal speed.
The above embodiments of the present disclosure have the following advantageous effects: by the data synchronization method of some embodiments of the present disclosure, the number of data synchronization task interrupts is reduced. Specifically, the reason why the number of times of interruption of the data synchronization task is caused is that: when there are a plurality of data synchronization tasks, the number of load anomalies occurring in the device performing the data synchronization tasks tends to increase. Based on this, the data synchronization method of some embodiments of the present disclosure first generates a task key value pair of the target data synchronization task described above in response to receiving parameter information of the target data synchronization task. The parameter information comprises source database address information of a source database corresponding to the target data synchronization task, target database address information of a target database corresponding to the target data synchronization task and a synchronization type. Thereby, the execution state of the data synchronization task can be monitored. Thus, a plurality of data synchronization tasks can be uniformly scheduled by the execution state. And then, responding to the execution state information included in the value of the front father task key value pair of the task key value pair to characterize the completion of execution, and selecting the execution node from the execution node cluster as a target execution node according to the health degree of each execution node in the execution node cluster. And the target execution node is used for responding to the connection state of the source database as the connected state and transmitting the data synchronization operation statement generated according to the address information of the source database and the synchronization type to the target database based on the address information of the target database. The target database is used for executing the data synchronization operation statement. Thus, the load-balanced execution node can be selected from the plurality of execution nodes, so that the load-balanced execution node can be determined as the execution node for executing the target data synchronization task. Because the plurality of data synchronization tasks can be uniformly scheduled, and the load of the execution nodes for executing the target data synchronization tasks is balanced, when the plurality of data synchronization tasks exist, the number of times that the load of the equipment for executing the data synchronization tasks is abnormal can be reduced.
With further reference to fig. 4, a flow 400 of further embodiments of a data synchronization method is shown. The flow 400 of the data synchronization method includes the steps of:
step 401, generating a task key value pair of the target data synchronization task in response to receiving the parameter information of the target data synchronization task.
Step 402, in response to the execution state information included in the value of the leading parent task key value pair of the task key value pair representing that execution is completed, selecting an execution node from the execution node cluster as a target execution node according to the health degree of each execution node in the execution node cluster.
In some embodiments, the specific implementation and technical effects of steps 401-402 may refer to steps 301-302 in those embodiments corresponding to fig. 3, which are not described herein.
Step 403, obtaining the target data synchronization operation log from the target database.
In some embodiments, the execution subject of the data synchronization method (e.g., the computing device 101 shown in fig. 1) may obtain the target data synchronization operation log from the target database through a wired connection or a wireless connection. The target data synchronization operation log may be a binary log file generated in real time by the target database and operating on database data. For example, the target data synchronization operation log may be a Mysql Binlog. The target data synchronization oplog may comprise a set of synchronization data. The synchronization data in the synchronization data set may be data synchronized in the target data.
Step 404, for each synchronized data in the synchronized data set, performing the steps of: determining whether a source database meets a preset abnormal condition corresponding to a data synchronization operation type corresponding to the synchronization data; in response to determining that the synchronization data is sent to the target terminal device.
In some embodiments, for each of the set of synchronization data, the execution body may perform the steps of: determining whether the source database meets a preset abnormal condition corresponding to a data synchronization operation type corresponding to the synchronization data; and in response to the determination, transmitting the synchronous data to the target terminal equipment. The data synchronization operation type may be a type of a data synchronization operation statement executed on the synchronization data. For example, the data synchronization operation type may be "insert class". As another example, the data synchronization operation type may be "delete class". When the data synchronization operation type is "insert type", the predetermined abnormal condition may be "the synchronization data exists in the source database". When the data synchronization operation type may be "delete type", the predetermined abnormal condition may be "the source database does not have the synchronization data. The target terminal device may be a data synchronization monitoring terminal device communicatively connected to the execution body. The target terminal device may also be a terminal device of a user who transmits parameter information. In practice, the execution body may send the synchronization data to the target terminal device by means of a wired connection or a wireless connection in response to a determination. Therefore, the synchronous data can be checked in real time, and abnormal synchronous data can be positioned faster.
The relevant content of steps 403-404 is taken as an invention point of the embodiment of the present disclosure, and the second technical problem mentioned in the background art is solved, which is "the synchronous data cannot be checked in real time, so that when the data is abnormal in synchronization, the abnormal synchronous data cannot be located relatively quickly. When data synchronization is abnormal, factors of the abnormal synchronization data cannot be positioned relatively quickly are often as follows: the real-time verification process of the synchronized data is often not performed. If the above factors are solved, the effect of locating abnormal synchronous data faster when the data is abnormal in synchronization can be achieved. To achieve this effect, the present disclosure obtains a target data synchronization operation log from the above-described target database. Then, for each of the above-described synchronized data sets, the following steps are performed: determining whether the source database meets a preset abnormal condition corresponding to a data synchronization operation type corresponding to the synchronization data; and in response to the determination, transmitting the synchronous data to the target terminal equipment. Since the real-time synchronous data is recorded in the target data synchronous operation log, the synchronous data can be verified in real time. Therefore, abnormal synchronous data can be positioned faster when the data is abnormal in synchronization.
As can be seen in fig. 4, flow 400 of the data synchronization method in some embodiments corresponding to fig. 4 embodies the steps extended to check the synchronization data, as compared to the description of some embodiments corresponding to fig. 3. Thus, the schemes described in these embodiments allow for real-time verification of synchronized data. Therefore, abnormal synchronous data can be positioned faster when the data is abnormal in synchronization.
With further reference to fig. 5, as an implementation of the method shown in the above figures, the present disclosure provides some embodiments of a data synchronization apparatus, which correspond to those method embodiments shown in fig. 3, and which are particularly applicable in various electronic devices.
As shown in fig. 5, the data synchronization device 500 of some embodiments includes: a generation unit 501 and a selection unit 502. The generating unit 501 is configured to generate, in response to receiving parameter information of a target data synchronization task, a task key value pair of the target data synchronization task, where the parameter information includes source database address information of a source database corresponding to the target data synchronization task, target database address information of a target database corresponding to the target data synchronization task, and a synchronization type; the selecting unit 502 is configured to characterize execution completion in response to execution state information included in a value of a parent task key value pair of the task key value pair, and select an execution node from the execution node cluster as a target execution node according to health of each execution node in the execution node cluster, where the target execution node is configured to send, based on the target database address information, a data synchronization operation statement generated according to the source database address information and the synchronization type to the target database, and the target database is configured to execute the data synchronization operation statement in response to a connection state of the source database being a connected state.
In an alternative implementation of some embodiments, the data synchronization device 500 may further include: an acquisition unit and an execution unit (not shown in the figure). The acquisition unit is configured to acquire a target data synchronization operation log from the target database, wherein the target data synchronization operation log comprises a synchronization data set. The execution unit is configured to perform the following steps for each of the above-mentioned sets of synchronization data: determining whether the source database meets a preset abnormal condition corresponding to a data synchronization operation type corresponding to the synchronization data; and in response to the determination, transmitting the synchronous data to the target terminal equipment.
In an alternative implementation of some embodiments, before the selection unit 502, the data synchronization device 500 may further include: a target data acquisition unit, a transmission unit, and a data delay detection result generation unit (not shown in the figure). The target data acquisition unit is configured to acquire target data from the source database in response to the connection state of the source database being a connected state. The transmitting unit is configured to transmit a preset data synchronization operation sentence to the target database. The data delay detection result generation unit is configured to generate a data delay detection result based on a time when the execution result is received and a time when the target data is acquired in response to receiving the execution result transmitted by the target database, wherein the data delay detection result characterizes whether data synchronization is delayed.
In alternative implementations of some embodiments, the selection unit 502 may be further configured to: and responding to the data delay detection result to indicate that the data synchronization is not delayed, and selecting an execution node from the execution node cluster as a target execution node.
In an alternative implementation of some embodiments, the data delay detection result generation unit may be further configured to: determining the time for acquiring the target data as target time; determining the interval duration of the time for receiving the execution result and the target time as a target duration; and generating a data delay detection result representing that the data synchronization is not delayed in response to the target duration meeting a preset condition.
In an alternative implementation of some embodiments, the data synchronization device 500 may further include: a first alarm device control unit (not shown in the figure) configured to control the associated first alarm device to perform a first alarm operation in response to the above data delay detection result characterizing a data synchronization delay.
In an alternative implementation of some embodiments, the data synchronization device 500 may further include: a data amount and speed acquisition unit and a second alarm device control unit (not shown in the figure). The data quantity and speed acquisition unit is configured to acquire the data quantity and the speed of acquiring the data from the corresponding source database by each execution node in the execution node cluster, so as to obtain a data quantity set and a speed set. The second alarm device control unit is configured to control the associated second alarm device to perform a second alarm operation in response to the presence of a data volume in the set of data volumes satisfying the abnormal data volume condition, or the presence of a speed in the set of speeds satisfying the abnormal speed condition.
It will be appreciated that the elements described in the apparatus 500 correspond to the various steps in the method described with reference to fig. 3. Thus, the operations, features and resulting benefits described above with respect to the method are equally applicable to the apparatus 500 and the units contained therein, and are not described in detail herein.
Referring now to FIG. 6, a schematic diagram of an electronic device 600 (e.g., computing device 101 of FIG. 1) suitable for use in implementing some embodiments of the disclosure is shown. The electronic device shown in fig. 6 is merely an example and should not impose any limitations on the functionality and scope of use of embodiments of the present disclosure.
As shown in fig. 6, the electronic device 600 may include a processing means (e.g., a central processing unit, a graphics processor, etc.) 601, which may perform various appropriate actions and processes according to a program stored in a Read Only Memory (ROM) 602 or a program loaded from a storage means 608 into a Random Access Memory (RAM) 603. In the RAM 603, various programs and data required for the operation of the electronic apparatus 600 are also stored. The processing device 601, the ROM 602, and the RAM 603 are connected to each other through a bus 604. An input/output (I/O) interface 605 is also connected to bus 604.
In general, the following devices may be connected to the I/O interface 605: input devices 606 including, for example, a touch screen, touchpad, keyboard, mouse, camera, microphone, accelerometer, gyroscope, and the like; an output device 607 including, for example, a Liquid Crystal Display (LCD), a speaker, a vibrator, and the like; storage 608 including, for example, magnetic tape, hard disk, etc.; and a communication device 609. The communication means 609 may allow the electronic device 600 to communicate with other devices wirelessly or by wire to exchange data. While fig. 6 shows an electronic device 600 having various means, it is to be understood that not all of the illustrated means are required to be implemented or provided. More or fewer devices may be implemented or provided instead. Each block shown in fig. 6 may represent one device or a plurality of devices as needed.
In particular, according to some embodiments of the present disclosure, the processes described above with reference to flowcharts may be implemented as computer software programs. For example, some embodiments of the present disclosure include a computer program product comprising a computer program embodied on a computer readable medium, the computer program comprising program code for performing the method shown in the flow chart. In such embodiments, the computer program may be downloaded and installed from a network via communications device 609, or from storage device 608, or from ROM 602. The above-described functions defined in the methods of some embodiments of the present disclosure are performed when the computer program is executed by the processing device 601.
It should be noted that, the computer readable medium described in some embodiments of the present disclosure may be a computer readable signal medium or a computer readable storage medium, or any combination of the two. The computer readable storage medium can be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or a combination of any of the foregoing. More specific examples of the computer-readable storage medium may include, but are not limited to: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. In some embodiments of the present disclosure, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device. In some embodiments of the present disclosure, however, the computer-readable signal medium may comprise a data signal propagated in baseband or as part of a carrier wave, with the computer-readable program code embodied therein. Such a propagated data signal may take any of a variety of forms, including, but not limited to, electro-magnetic, optical, or any suitable combination of the foregoing. A computer readable signal medium may also be any computer readable medium that is not a computer readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device. Program code embodied on a computer readable medium may be transmitted using any appropriate medium, including but not limited to: electrical wires, fiber optic cables, RF (radio frequency), and the like, or any suitable combination of the foregoing.
In some implementations, the clients, servers may communicate using any currently known or future developed network protocol, such as HTTP (HyperText Transfer Protocol ), and may be interconnected with any form or medium of digital data communication (e.g., a communication network). Examples of communication networks include a local area network ("LAN"), a wide area network ("WAN"), the internet (e.g., the internet), and peer-to-peer networks (e.g., ad hoc peer-to-peer networks), as well as any currently known or future developed networks.
The computer readable medium may be contained in the electronic device; or may exist alone without being incorporated into the electronic device. The computer readable medium carries one or more programs which, when executed by the electronic device, cause the electronic device to: generating a task key value pair of a target data synchronization task in response to receiving parameter information of the target data synchronization task, wherein the parameter information comprises source database address information of a source database corresponding to the target data synchronization task, target database address information of a target database corresponding to the target data synchronization task and a synchronization type; and responding to the execution state information included in the value of the leading father task key value pair of the task key value pair to represent the completion of execution, and selecting an execution node from the execution node cluster as a target execution node according to the health degree of each execution node in the execution node cluster, wherein the target execution node is used for responding to the connection state of the source database as a connected state, sending a data synchronization operation statement generated according to the source database address information and the synchronization type to the target database based on the target database address information, and the target database is used for executing the data synchronization operation statement.
Computer program code for carrying out operations for some embodiments of the present disclosure may be written in one or more programming languages, including an object oriented programming language such as Java, smalltalk, C ++ and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server. In the case of a remote computer, the remote computer may be connected to the user's computer through any kind of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or may be connected to an external computer (for example, through the Internet using an Internet service provider).
The flowcharts and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to various embodiments of the present disclosure. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
The units described in some embodiments of the present disclosure may be implemented by means of software, or may be implemented by means of hardware. The described units may also be provided in a processor, for example, described as: a processor includes a generation unit and a selection unit. The names of these units do not constitute a limitation on the unit itself in some cases, and for example, the generating unit may also be described as "a unit that generates a task key value pair of the above-described target data synchronization task in response to receiving parameter information of the target data synchronization task".
The functions described above herein may be performed, at least in part, by one or more hardware logic components. For example, without limitation, exemplary types of hardware logic components that may be used include: a Field Programmable Gate Array (FPGA), an Application Specific Integrated Circuit (ASIC), an Application Specific Standard Product (ASSP), a system on a chip (SOC), a Complex Programmable Logic Device (CPLD), and the like.
The foregoing description is only of the preferred embodiments of the present disclosure and description of the principles of the technology being employed. It will be appreciated by those skilled in the art that the scope of the invention in the embodiments of the present disclosure is not limited to the specific combination of the above technical features, but encompasses other technical features formed by any combination of the above technical features or their equivalents without departing from the spirit of the invention. Such as the above-described features, are mutually substituted with (but not limited to) the features having similar functions disclosed in the embodiments of the present disclosure.
Claims (10)
1. A method of data synchronization, comprising:
generating a task key value pair of a target data synchronization task in response to receiving parameter information of the target data synchronization task, wherein the parameter information comprises source database address information of a source database corresponding to the target data synchronization task, target database address information of a target database corresponding to the target data synchronization task and a synchronization type;
and responding to the execution state information included in the value of the front father task key value pair of the task key value pair to characterize the execution completion, and selecting an execution node from the execution node cluster as a target execution node according to the health degree of each execution node in the execution node cluster, wherein the target execution node is used for responding to the connection state of the source database as a connected state, sending a data synchronization operation statement generated according to the source database address information and the synchronization type to the target database based on the target database address information, and the target database is used for executing the data synchronization operation statement.
2. The method of claim 1, wherein the method further comprises:
Obtaining a target data synchronization operation log from the target database, wherein the target data synchronization operation log comprises a synchronization data set;
for each synchronization data in the set of synchronization data, performing the steps of:
determining whether the source database meets a preset abnormal condition corresponding to a data synchronization operation type corresponding to the synchronization data;
and in response to the determination, transmitting the synchronous data to the target terminal device.
3. The method of claim 1, wherein prior to said selecting an execution node from the execution node cluster as a target execution node, the method further comprises:
responding to the connection state of the source database as the connected state, and acquiring target data from the source database;
transmitting a preset data synchronization operation statement to the target database;
and generating a data delay detection result based on the time of receiving the execution result and the time of acquiring the target data in response to receiving the execution result sent by the target database, wherein the data delay detection result represents whether data synchronization is delayed or not.
4. A method according to claim 3, wherein said selecting an execution node from said execution node cluster as a target execution node comprises:
And responding to the data delay detection result to represent that the data synchronization is not delayed, and selecting an execution node from the execution node cluster as a target execution node.
5. A method according to claim 3, wherein the generating a data delay detection result comprises:
determining the time for acquiring the target data as target time;
determining the interval duration of the time for receiving the execution result and the target time as a target duration;
and generating a data delay detection result representing that the data synchronization is not delayed in response to the target duration meets a preset condition.
6. A method according to claim 3, wherein the method further comprises:
and controlling the associated first alarm equipment to execute a first alarm operation in response to the data delay detection result representing the data synchronization delay.
7. The method of claim 1, wherein the method further comprises:
acquiring the data volume of data and the speed of acquiring the data from a corresponding source database by each executing node in the executing node cluster to obtain a data volume set and a speed set;
and controlling the associated second alarm equipment to execute a second alarm operation in response to the existence of the data volume meeting the abnormal data volume condition in the data volume set or the existence of the speed meeting the abnormal speed condition in the speed set.
8. A data synchronization apparatus, comprising:
the generating unit is configured to respond to the received parameter information of the target data synchronization task and generate a task key value pair of the target data synchronization task, wherein the parameter information comprises source database address information of a source database corresponding to the target data synchronization task, target database address information of a target database corresponding to the target data synchronization task and a synchronization type;
and the selection unit is configured to respond to the execution state information included in the value of the leading father task key value pair of the task key value pair to characterize the execution completion, and select an execution node from the execution node cluster as a target execution node according to the health degree of each execution node in the execution node cluster, wherein the target execution node is used for responding to the connection state of the source database as a connected state, and transmitting a data synchronization operation statement generated according to the source database address information and the synchronization type to the target database based on the target database address information, and the target database is used for executing the data synchronization operation statement.
9. An electronic device, comprising:
One or more processors;
a storage device having one or more programs stored thereon,
when executed by the one or more processors, causes the one or more processors to implement the method of any of claims 1-7.
10. A computer readable medium having stored thereon a computer program, wherein the program when executed by a processor implements the method of any of claims 1-7.
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