CN111586080A - Distributed task scheduling method and device based on instant messaging - Google Patents
Distributed task scheduling method and device based on instant messaging Download PDFInfo
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- H04L67/00—Network arrangements or protocols for supporting network services or applications
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Abstract
The application provides a distributed task scheduling method and a distributed task scheduling device based on instant messaging, wherein the method comprises the following steps: when a task request sent by a user side is received, writing the task request into a database, and recording the processing state of a task corresponding to the task request; when a task request with an unprocessed processing state newly added in a database is monitored, distributing the task request to a corresponding task processor for processing through an IM server; and when receiving the processing state corresponding to the task request fed back by the task processor through the IM server, updating the received processing state into the database. The method can improve the efficiency of task distribution.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a distributed task scheduling method and apparatus based on instant messaging.
Background
With the rapid development of cloud computing, the scale of a server cluster is continuously expanded. For operation and maintenance personnel, how to manage large-scale servers efficiently becomes a serious issue. It is understood that the current open source distributed task system mainly comprises pssh, ansable, puppet and the like.
For the existing open source tool, although the problems of task distribution and execution can be solved, the login machine mode has risks, and the task scheduling strategy is imperfect, and the task scheduling can not be efficiently realized.
Disclosure of Invention
In view of this, the present application provides a distributed task scheduling method and apparatus based on instant messaging, which can improve the efficiency of task distribution.
In order to solve the technical problem, the technical scheme of the application is realized as follows:
a distributed task scheduling method based on instant messaging comprises the following steps:
when a task request sent by a user side is received, writing the task request into a database, and recording the processing state of a task corresponding to the task request;
when a task request with an unprocessed processing state newly added in a database is monitored, distributing the task request to a corresponding task processor for processing through an IM server;
and when receiving the processing state corresponding to the task request fed back by the task processor through the IM server, updating the received processing state into the database.
An instant messaging based distributed task scheduling apparatus, the apparatus comprising: an API unit and a scheduling unit;
the API unit is used for writing the task request into a database and recording the processing state of the task corresponding to the task request when receiving the task request sent by the user side;
the scheduling unit is used for monitoring task requests in the database; when a task request with an unprocessed processing state newly added in a database is monitored, distributing the task request to a corresponding task processor for processing through an IM server; and when receiving a processing state corresponding to the task request fed back by the task processor through the IM server, updating the received processing state into the database.
An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the steps of the instant messaging based distributed task scheduling method when executing the program.
A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the steps of the instant messaging based distributed task scheduling method.
According to the technical scheme, the IM communication protocol is introduced, the IM server transmits the interactive information between the management server and the task server to realize a distributed task distribution mode, and the task distribution efficiency can be improved.
Drawings
Fig. 1 is a schematic structural diagram of a distributed task scheduling device based on instant messaging according to an embodiment of the present application;
fig. 2 is a schematic diagram of a distributed task scheduling process based on instant messaging in an embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly apparent, the technical solutions of the present invention are described in detail below with reference to the accompanying drawings and examples.
The embodiment of the application provides a distributed task scheduling device based on instant messaging, which introduces a communication protocol and solves the problem of efficiency of task distribution and execution under a large-scale cluster. The device is applied to a management server in a distributed task scheduling system based on instant messaging, which comprises the management server, an IM server and task processing.
The device can be a management server or a functional module on the management server.
The interaction between the management server and the tasker forwards the information through the IM server.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a distributed task scheduling device based on instant messaging according to an embodiment of the present application. The device includes: an API unit 101 and a scheduling unit 102.
The API unit 101 and the scheduling unit 102 do not communicate directly with each other, and are ready to send message commands via the IM server.
The API unit 101 is configured to, when receiving a task request sent by a user, write the task request into a database, and record a processing state of a task corresponding to the task request.
In the embodiment of the application, related commands for the same task, such as a task request, a cancel command, a pause command, a query command and the like, all carry the same task identifier and are used for identifying which task the corresponding command corresponds to.
If the task identifier carried by the currently received task request is 1, recording the processing state corresponding to the task 1 as follows: and (4) untreated.
The scheduling unit 102 is configured to monitor a task request in a database; and when monitoring a task request with an unprocessed processing state newly added in the database, distributing the task request to a corresponding task processor for processing through the IM server.
The scheduling unit 102 monitors the database in real time, and processes a task request every time a new task request is written.
In specific implementation of the embodiment of the present application, in order that the scheduling unit 102 does not frequently interact with the database, the scheduling unit 102 is further configured to store the task request into the cache queue when a task request whose processing state is not processed is monitored to be newly added to the database; and distributing the task request to a corresponding task processor for processing through an IM server.
The scheduling unit 102 is configured to perform serial processing on the same task; and carrying out parallel processing aiming at different tasks. That is, when the scheduling unit receives a plurality of commands simultaneously, the commands of the same task are serially processed by using a process according to the sequence of the received commands;
different processes are used to process different tasks simultaneously. That is, the command of task 1 and the command of task 2 will not interfere, and each will be processed in its own process.
And the scheduling unit 102 is configured to distribute the corresponding task to the corresponding task processor according to the identifier of the task processor carried in the task request when the task is distributed. In the embodiment of the application, a QQ distribution mode can be adopted, namely, the task distribution is carried out only by considering the identification of the task processor, and the factors such as whether the task processor is on line or not are not considered.
The task processor performs task processing when receiving the scheduling IM server to forward the task to be processed, and feeds back the processing status to the scheduling unit 102 through the IM server when the task processing is completed.
And the scheduling unit 102 is configured to update the received processing state to the database when receiving the processing state corresponding to the task request fed back by the task processor through the IM server.
And the scheduling unit is further used for deleting the task request fed back by the processing state from the cache queue and updating the received processing state into the database when receiving the processing state corresponding to the task request fed back by the task processor through the IM server.
When the task processor finishes processing the task, the processing state which can be recorded according to the processing result is a successful processing state and a processing failure state.
The API unit 101 is configured to, when receiving a request for querying a processing state of a task sent by a user, obtain the processing state of the corresponding task from the database, and respond to the user.
And when the processing state of the task is inquired in the database, the corresponding task is inquired according to the identification of the task, and then the processing state of the task is inquired.
The processing state of the task in the embodiment of the present application further includes a processed state, where the processed state includes: a successful processing state and a processing failed state.
In the above description, regarding the related process of processing the task request in the embodiment of the present application, the following respectively give related processes of suspending and canceling the command for the task, and canceling the suspending command:
aiming at a pause command sent by a user side;
the API unit 101 is configured to send a pause command to the IM server when receiving the pause command sent by the user side, so that the IM server forwards the pause command to the scheduling unit 102;
the API unit does not interact directly with the scheduling unit.
The scheduling unit 102 is configured to notify, when receiving a pause command forwarded by the IM server, the corresponding task processor to pause processing of the corresponding task through the IM server; marking the corresponding task request in the cache queue as a pause state; and updating the state of the task request corresponding to the pause command in the database into a pause state.
Aiming at an unpause command sent by a user side:
the API unit 101 is configured to send a pause cancelling command to the IM server when receiving the pause cancelling command sent by the user end, so that the IM server forwards the pause cancelling command to the scheduling unit 102;
the scheduling unit 102 is configured to notify, when receiving a pause cancellation command forwarded by the IM server, the corresponding task processor to continue processing the corresponding task through the IM server; deleting the mark of the pause state of the corresponding task request in the cache queue; and updating the state of the corresponding task request in the database into an unprocessed state.
Aiming at a cancel command sent by a user side:
the API unit 101 is configured to forward a cancel command sent by the user to the IM server, so that the IM server forwards the cancel command to the scheduling unit 102;
the scheduling unit 102 is configured to notify, when receiving a cancel command forwarded by the IM server, the corresponding task processor to cancel processing of the corresponding task through the IM server; deleting the corresponding task request in the cache queue; and updating the state of the task request corresponding to the pause command in the database into a cancel state.
The processing state of the task in the embodiment of the application comprises the following steps: an unprocessed state, a paused state, a cancelled state, and a processed state.
And when the processing state query of the user port is received through the API, the processing state of the corresponding task in the database is fed back to the user side. The task request, the query request, the cancel command, the pause cancel command and other commands in the embodiment of the application all carry task identifiers so as to determine related commands aiming at the same task, and the task identifiers are globally unique.
The units of the above embodiments may be integrated into one body, or may be separately deployed; may be combined into one unit or further divided into a plurality of sub-units.
Based on the same inventive concept, the embodiment of the application also discloses a distributed task scheduling method based on instant messaging. Referring to fig. 2, fig. 2 is a schematic diagram of a distributed task scheduling process based on instant messaging in an embodiment of the present application. The method comprises the following specific steps:
In this step, when a task request whose processing state is newly added in the database is monitored to be unprocessed, before the task request is distributed to a corresponding task processor through the IM server for processing, the method further includes:
and storing the task request into a buffer queue.
The management server carries out serial processing aiming at the same task; and carrying out parallel processing aiming at different tasks.
In this step, before updating the received processing state into the database when receiving the processing state corresponding to the task request fed back by the task processor through the IM server, the method further includes:
and deleting the task request feeding back the processing state from the cache queue.
When the method is concretely implemented in the embodiment of the application, the task state is written into the cache queue in real time, and the asynchronous association database of the task state is convenient for operation and maintenance personnel to trace and file.
After the equipment failure is recovered, the corresponding task request does not exist in the cache queue, the unprocessed task request can be read from the database, the task request is scheduled again, and if the task processor is processed, the processing task result is fed back again; if not, continuing to execute the task, and feeding back the task processing result again after the task processing is finished.
The method further comprises the following steps:
and when receiving a request of the processing state of the query task sent by the user side, the management server acquires the corresponding processing state from the database and responds to the user side.
When the management server receives a pause command which is transmitted by the user side and forwarded by the IM server, the specific processing process is as follows:
informing the corresponding task processor to suspend the processing of the corresponding task through the IM server;
marking the corresponding task request in the cache queue as a pause state;
and updating the state of the task request corresponding to the pause command in the database into a pause state.
When the management server receives a pause cancelling command which is transmitted by the user side and forwarded by the IM server, the specific processing process is as follows:
informing the corresponding task processor to continue processing the corresponding task through the IM server;
deleting the mark of the pause state of the corresponding task request in the cache queue;
and updating the state of the corresponding task request in the database into an unprocessed state.
When the management server receives a cancel command which is transmitted by the IM server and sent by the user side, the specific processing process is as follows:
informing the corresponding task processor to cancel the processing of the corresponding task through the IM server;
deleting the corresponding task request in the cache queue;
and updating the state of the task request corresponding to the pause command in the database into a cancel state.
In addition, an electronic device is further provided in an embodiment of the present application, and includes a memory, a processor, and a computer program stored in the memory and executable on the processor, where the processor executes the steps of the distributed task scheduling method based on instant messaging.
In addition, a computer-readable storage medium is provided in an embodiment of the present application, and a computer program is stored on the computer-readable storage medium, where the computer program is used to implement the steps of the instant messaging based distributed task scheduling method when executed by a processor.
In summary, the application solves the problem of efficiency of task distribution and execution under a large-scale cluster by introducing a communication protocol; the real-time performance, the perfection and the reliability of task distribution can be realized, so that the high efficiency of executing tasks is improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (16)
1. A distributed task scheduling method based on instant messaging is characterized by comprising the following steps:
when a task request sent by a user side is received, writing the task request into a database, and recording the processing state of a task corresponding to the task request;
when a task request with an unprocessed processing state newly added in a database is monitored, distributing the task request to a corresponding task processor for processing through an IM server;
and when receiving the processing state corresponding to the task request fed back by the task processor through the IM server, updating the received processing state into the database.
2. The method of claim 1, further comprising:
and when a request for processing the processing state of the query task sent by the user side is received, acquiring the corresponding processing state from the database, and responding to the user side.
3. The method according to claim 1, wherein when a task request whose processing status is unprocessed is monitored in the database, before the task request is distributed to a corresponding task processor for processing through the IM server, the method further comprises:
storing the task request into a cache queue;
before the receiving the processing state corresponding to the task request fed back by the task processor through the IM server and updating the received processing state into the database, the method further includes:
and deleting the task request feeding back the processing state from the cache queue.
4. The method of claim 1,
performing serial processing on the same task;
and carrying out parallel processing aiming at different tasks.
5. The method according to any one of claims 1-4, wherein the method further comprises:
when a pause command which is transmitted by a user side and forwarded by an IM server is received, the corresponding task processor is informed to pause the processing of the corresponding task by the IM server;
marking the corresponding task request in the cache queue as a pause state;
and updating the state of the task request corresponding to the pause command in the database into a pause state.
6. The method of claim 5, further comprising:
when a pause cancelling command which is transmitted by a user side and forwarded by an IM server is received, the IM server informs a corresponding task processor to continue processing a corresponding task;
deleting the mark of the pause state of the corresponding task request in the cache queue;
and updating the state of the corresponding task request in the database into an unprocessed state.
7. The method according to any one of claims 1-4, wherein the method further comprises:
when a cancel command which is transmitted by an IM server and sent by a user side is received, the IM server informs a corresponding task processor to cancel the processing of a corresponding task;
deleting the corresponding task request in the cache queue;
and updating the state of the task request corresponding to the pause command in the database into a cancel state.
8. An instant messaging based distributed task scheduling apparatus, the apparatus comprising: an API unit and a scheduling unit;
the API unit is used for writing the task request into a database and recording the processing state of the task corresponding to the task request when receiving the task request sent by the user side;
the scheduling unit is used for monitoring task requests in the database; when a task request with an unprocessed processing state newly added in a database is monitored, distributing the task request to a corresponding task processor for processing through an IM server; and when receiving a processing state corresponding to the task request fed back by the task processor through the IM server, updating the received processing state into the database.
9. The apparatus of claim 8,
and the API unit is used for acquiring the corresponding processing state from the database and responding to the user side when receiving a request of the processing state of the query task sent by the user side.
10. The apparatus of claim 8,
the scheduling unit is further configured to store the task request into a cache queue when a task request with an unprocessed processing state is monitored in the database; distributing the task request to a corresponding task processor for processing through an IM server; and when receiving the processing state corresponding to the task request fed back by the task processor through the IM server, deleting the task request fed back with the processing state from the cache queue, and updating the received processing state into the database.
11. The apparatus of claim 8,
the scheduling unit is used for carrying out serial processing on the same task; and carrying out parallel processing aiming at different tasks.
12. The apparatus according to any one of claims 8 to 11,
the API unit is further used for sending a pause command to the IM server when receiving the pause command sent by the user side, so that the IM server forwards the pause command to the scheduling unit;
the scheduling unit is further configured to notify, when receiving a pause command forwarded by the IM server, the corresponding task processor to pause the processing of the corresponding task through the IM server; marking the corresponding task request in the cache queue as a pause state; and updating the state of the task request corresponding to the pause command in the database into a pause state.
13. The apparatus of claim 12,
the API unit is further used for sending a pause cancelling command to the IM server when receiving the pause cancelling command sent by the user side, so that the IM server forwards the pause cancelling command to the scheduling unit;
the scheduling unit is further configured to notify, when receiving a pause cancelling command forwarded by the IM server, the corresponding task processor to continue processing the corresponding task through the IM server; deleting the mark of the pause state of the corresponding task request in the cache queue; and updating the state of the corresponding task request in the database into an unprocessed state.
14. The apparatus according to any one of claims 8 to 11,
the API unit is further used for forwarding to the IM server when receiving a cancel command sent by the user side, so that the IM server forwards to the scheduling unit;
the scheduling unit is further configured to notify, when receiving a cancel command forwarded by the IM server, the corresponding task processor to cancel processing of the corresponding task through the IM server; deleting the corresponding task request in the cache queue; and updating the state of the task request corresponding to the pause command in the database into a cancel state.
15. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the processor implements the method according to any of claims 1-7 when executing the program.
16. A computer-readable storage medium, on which a computer program is stored, which program, when being executed by a processor, is adapted to carry out the method of any one of claims 1 to 7.
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