CN109684063B - Task scheduling method and device - Google Patents
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- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
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Abstract
The invention provides a task scheduling method and a task scheduling device, which comprise the following steps: the task manager scans a task list at regular time and judges whether a new task is added in the task list, wherein the task list records the task state and the execution plan of each task, and the execution plan comprises the execution time of the task; when the task manager judges that a new task is added into the task list, the task manager acquires a task state and an execution plan of the new task and generates a task scheduling plan according to the task state and the execution plan of the new task, wherein the task scheduling plan comprises the task state of the new task and the execution time of the new task; and the task manager distributes the task scheduling plan to any scheduling process in an idle state according to the execution time of the new task, so that the scheduling process executes the new task. The invention can realize the real-time processing of the task newly added into the task list without restarting the scheduling process.
Description
Technical Field
The invention relates to the technical field of mobile service support, service support system design and the like, in particular to a task scheduling method and device.
Background
Currently, all tasks are recorded in a task list, and after a scheduling process is started for the first time, all tasks in the task list are loaded and each task is processed successively.
However, when a new task is added to the task list, the scheduling process needs to be restarted to process the new task, that is, the existing task scheduling method cannot process the newly added task in the task list in real time.
Disclosure of Invention
In view of this, the present invention provides a task scheduling method and device, which are used to implement real-time processing of a newly added task in a task list. The technical scheme is as follows:
based on one aspect of the present invention, the present invention provides a task scheduling method, including:
the task manager scans a task list at regular time and judges whether a new task is added in the task list, wherein the task list records the task state and the execution plan of each task, and the execution plan comprises the execution time of the task;
when the task manager judges that a new task is added into the task list, the task manager acquires a task state and an execution plan of the new task and generates a task scheduling plan according to the task state and the execution plan of the new task, wherein the task scheduling plan comprises the task state of the new task and the execution time of the new task;
and the task manager distributes the task scheduling plan to any scheduling process in an idle state according to the execution time of the new task, so that the scheduling process executes the new task.
Optionally, before the scheduling process executes the new task, the method further includes:
the scheduling process judges whether the new task is normal or not according to the task state of the new task;
if the new task is normal, the scheduling process executes the new task;
if not, the scheduling process stops executing the new task.
Optionally, the method further comprises:
when the scheduling process judges that the new task is abnormal, the scheduling process sends a result indicating that the new task is abnormal to the task manager;
and the task manager deletes the new task, the task state and the execution plan of the new task and the generated task scheduling plan of the new task, which are recorded in the task list, according to the result.
Optionally, the determining, by the scheduling process, that the new task is not normal includes: and the scheduling process judges that the task state of the new task is a deletion state and/or the new task is not recorded in the task list.
Optionally, the task list includes a first sub-table and a second sub-table;
the first sub-table is used for recording the task state of each task;
the second sub-table is used for recording execution plans of all tasks, wherein the tasks in the first sub-table and the tasks in the second sub-table are associated through task numbers, and one task in the first sub-table corresponds to at least one execution plan in the second sub-table.
Based on another aspect of the present invention, the present invention provides a task scheduling apparatus, including:
the scanning unit is used for scanning the task list at regular time;
the judging unit is used for judging whether a new task is added into the task list, wherein the task list records the task state and the execution plan of each task, and the execution plan comprises the execution time of the task;
the task scheduling plan generating unit is used for acquiring a task state and an execution plan of a new task when the judging unit judges that the new task is added into the task list, and generating a task scheduling plan according to the task state and the execution plan of the new task, wherein the task scheduling plan comprises the task state of the new task and the execution time of the new task;
and the distribution unit is used for distributing the task scheduling plan to any scheduling process in an idle state according to the execution time of the new task, so that the scheduling process executes the new task.
Optionally, before the scheduling process executes the new task, the scheduling process is further configured to:
judging whether the new task is normal or not according to the task state of the new task;
if the new task is normal, the scheduling process executes the new task;
if not, the scheduling process stops executing the new task.
Optionally, the apparatus further comprises:
the receiving unit is used for receiving a result which is sent by the scheduling process and used for indicating that the new task is abnormal;
and the deleting unit is used for deleting the new task, the task state and the execution plan of the new task and the generated task scheduling plan of the new task which are recorded in the task list according to the result.
Optionally, the determining, by the scheduling process, that the new task is not normal includes: and the scheduling process judges that the task state of the new task is a deletion state and/or the new task is not recorded in the task list.
Optionally, the task list includes a first sub-table and a second sub-table;
the first sub-table is used for recording the task state of each task;
the second sub-table is used for recording execution plans of all tasks, wherein the tasks in the first sub-table and the tasks in the second sub-table are associated through task numbers, and one task in the first sub-table corresponds to at least one execution plan in the second sub-table.
In the task scheduling method and the task scheduling device, the task manager scans the task list at regular time and judges whether a new task is added in the task list. When the task manager determines that a new task is added into the task list, the task manager acquires a task state and an execution plan of the new task, generates a task scheduling plan according to the task state and the execution plan of the new task, and allocates the task scheduling plan to any scheduling process in an idle state according to the execution time of the new task, so that the scheduling process executes the new task. In the implementation process of the invention, when a new task is added into the task list, the task manager can acquire the task state and the execution plan of the new task in time, and generate the task scheduling plan according to the task state and the execution plan of the new task, so as to distribute the task scheduling plan to any scheduling process in an idle state for execution.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a flowchart of a task scheduling method according to the present invention;
FIG. 2 is a flow chart of another task scheduling method provided by the present invention;
FIG. 3 is a schematic structural diagram of a task scheduling device according to the present invention;
fig. 4 is a schematic structural diagram of another task scheduling device provided in the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In view of the problem that a mode that a scheduling process processes each task in a task list one by one in the prior art and a newly added task in the task list cannot be processed in real time, the invention provides that a plurality of scheduling processes simultaneously and respectively execute the tasks in the task list, a task manager regularly scans the task list to judge whether the new task is added in the task list, and when the task manager judges that the new task is added in the task list, the task state and the execution plan of the new task can be timely obtained, and the task scheduling plan is generated according to the task state and the execution plan of the new task, so that the task scheduling plan is distributed to any scheduling process in an idle state to be executed.
Specifically, as shown in fig. 1, the task scheduling method provided by the present invention may include:
In the invention, the task state and the execution plan of each task are recorded in the task list, and the execution plan comprises the execution time of the task.
Wherein the task state may include a to-be-executed state, an executing-completed state, a deleting state, and the like. The execution plan includes execution time of the task, execution contents of the task, and the like. Preferably, in the present invention, the task list may specifically include two tables, such as a first sub-table and a second sub-table. The first sub-table is used for recording task states of all tasks, the second sub-table is used for recording execution plans of all tasks, the tasks in the first sub-table and the tasks in the second sub-table are related through task numbers, one task in the first sub-table corresponds to at least one execution plan in the second sub-table, and namely one task corresponds to at least one execution plan.
In the invention, when a task manager monitors that a new task is added into a task list, the task manager immediately acquires the task state and the execution plan of the new task and generates a task scheduling plan according to the task state and the execution plan of the new task, wherein the task scheduling plan comprises the task state of the new task and the execution time of the new task.
And 104, distributing the task scheduling plan to any scheduling process in an idle state by the task manager according to the execution time of the new task, so that the scheduling process executes the new task.
The task manager can select a preset time before the execution time of the new task according to the execution time of the new task, and distribute the task scheduling plan to any scheduling process in an idle state.
For example, the execution time of the new task is 8 o 'clock in 1 month, 1 day and 2019, and the task manager in the invention can allocate the task scheduling plan of the new task to any scheduling process in an idle state at 7 o' clock in 1 month, 1 day and 2019 for 59 minutes and 30 seconds.
And after receiving the task scheduling plan, the scheduling process executes the new task according to the task scheduling plan.
Therefore, in the task scheduling method provided by the invention, when a new task is added into the task list, the task manager can monitor and acquire the task state and the execution plan of the new task in time, and generate the task scheduling plan according to the task state and the execution plan of the new task, so that the task scheduling plan is distributed to any scheduling process in an idle state for execution.
In the actual application process, there is also a case that the task in the task list needs to be deleted in time.
For the situation that the task in the task list needs to be deleted in time, the prior art can only manually stop the scheduling process, and restart the scheduling process after deleting the task in the task list, and the restarted scheduling process continues to execute other tasks. Obviously, the existing task scheduling method also has the problem that the tasks needing to be deleted cannot be processed in real time.
In view of the above, as shown in fig. 2, the present invention further includes, on the basis of fig. 1:
and 105, before executing the new task, the scheduling process judges whether the new task is normal or not according to the task state of the new task. If so, step 106 is performed, and if not, step 107 is performed.
In the present invention, the determining that the new task is abnormal by the scheduling process may include: and the scheduling process judges the task state of the new task to be a deleted state and/or judges that the new task is not recorded in the task list.
And when the scheduling process judges that the new task is normal, executing the new task again, and when the scheduling process judges that the new task is abnormal, stopping executing the new task.
Preferably, when the scheduling process judges that the new task is abnormal, a result indicating that the new task is abnormal may be fed back to the task manager.
When the task manager receives the result, it can determine that the current task needs to be deleted, and further delete the new task, the task state and the execution plan of the new task, and the generated task scheduling plan of the new task, which are recorded in the task list.
In the task scheduling method provided by the invention, when a scheduling process schedules a new task, the task state of the new task is firstly checked, and whether the new task is normal or not is judged based on the task state of the new task. When the scheduling process determines that the task state of the new task is a deletion state or does not exist in the task list, the scheduling process stops the execution of the task and feeds back the result to the task manager, and the task manager deletes relevant information (an execution plan and a task scheduling plan) of the new task.
The invention can automatically stop scheduling and delete the relevant information of the tasks to be deleted, thereby ensuring that the tasks to be deleted are stopped in time, effectively reducing the task interruption caused by restarting the scheduling process and realizing the real-time processing of the tasks to be deleted.
Based on the task scheduling method provided by the foregoing invention, as shown in fig. 3, the present invention further provides a task scheduling device, which can be specifically applied to the task manager described above. The task scheduling device may include:
a scanning unit 10, configured to scan the task list at regular time;
a determining unit 20, configured to determine whether a new task is added to the task list, where a task state and an execution plan of each task are recorded in the task list, and the execution plan includes an execution time of the task;
a task scheduling plan generating unit 30, configured to obtain a task state and an execution plan of a new task when the determining unit 10 determines that the new task is added to the task list, and generate a task scheduling plan according to the task state and the execution plan of the new task, where the task scheduling plan includes the task state of the new task and an execution time of the new task;
and the allocating unit 40 is configured to allocate the task scheduling plan to any scheduling process in an idle state according to the execution time of the new task, so that the scheduling process executes the new task.
Wherein, in the implementation process of the present invention, before the scheduling process executes the new task, the scheduling process is further configured to:
judging whether the new task is normal or not according to the task state of the new task;
if the new task is normal, the scheduling process executes the new task;
if not, the scheduling process stops executing the new task.
Preferably, as shown in fig. 4, the task scheduling apparatus provided by the present invention may further include:
a receiving unit 50, configured to receive a result sent by the scheduling process and used for indicating that the new task is abnormal;
and a deleting unit 60, configured to delete the new task, the task state and the execution plan of the new task, and the generated task scheduling plan of the new task, which are recorded in the task list, according to the result.
In the present invention, the determining, by the scheduling process, that the new task is abnormal may include: and the scheduling process judges that the task state of the new task is a deleted state and/or judges that the new task is not recorded in the task list.
The task list may include a first sub-table and a second sub-table; wherein,
the first sub-table is used for recording the task state of each task;
the second sub-table is used for recording execution plans of all tasks, wherein the tasks in the first sub-table and the tasks in the second sub-table are associated through task numbers, and one task in the first sub-table corresponds to at least one execution plan in the second sub-table.
It should be noted that, in the present specification, the embodiments are all described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments may be referred to each other. For the device-like embodiment, since it is basically similar to the method embodiment, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiment.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The task scheduling method and device provided by the present invention are introduced in detail, and a specific example is applied in the text to explain the principle and the implementation of the present invention, and the description of the above embodiment is only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (10)
1. A task scheduling method, comprising:
the task manager scans a task list at regular time and judges whether a new task is added in the task list, wherein the task list records the task state and the execution plan of each task, and the execution plan comprises the execution time of the task;
when the task manager judges that a new task is added into the task list, the task manager acquires a task state and an execution plan of the new task and generates a task scheduling plan according to the task state and the execution plan of the new task, wherein the task scheduling plan comprises the task state of the new task and the execution time of the new task;
the task manager allocates the task scheduling plan to any scheduling process in an idle state according to the execution time of the new task, so that the scheduling process executes the new task scheduling, and the task scheduling method includes: and the task manager selects a preset time before the execution time of the new task according to the execution time of the new task, and allocates the task scheduling plan to any scheduling process in an idle state.
2. The method of claim 1, wherein the scheduling process, prior to performing the new task scheduling, further comprises: the scheduling process judges whether the new task is normal or not according to the task state of the new task;
if the task is normal, the scheduling process executes the new task scheduling;
and if not, stopping executing the new task scheduling by the scheduling process.
3. The method of claim 2, further comprising:
when the scheduling process judges that the new task is abnormal, the scheduling process sends a result indicating that the new task is abnormal to the task manager;
and the task manager deletes the new task, the task state and the execution plan of the new task and the generated task scheduling plan of the new task, which are recorded in the task list, according to the result.
4. A method according to claim 2 or 3, wherein the scheduling process determining that the new task is not normal comprises: and the scheduling process judges that the task state of the new task is a deletion state and/or the new task is not recorded in the task list.
5. The method of any of claims 1-3, wherein the task list comprises a first sub-table and a second sub-table;
the first sub-table is used for recording the task state of each task;
the second sub-table is used for recording execution plans of all tasks, wherein the tasks in the first sub-table and the tasks in the second sub-table are associated through task numbers, and one task in the first sub-table corresponds to at least one execution plan in the second sub-table.
6. A task scheduling apparatus, comprising:
the scanning unit is used for scanning the task list at regular time;
the judging unit is used for judging whether a new task is added into the task list, wherein the task list records the task state and the execution plan of each task, and the execution plan comprises the execution time of the task;
the task scheduling plan generating unit is used for acquiring a task state and an execution plan of a new task when the judging unit judges that the new task is added into the task list, and generating a task scheduling plan according to the task state and the execution plan of the new task, wherein the task scheduling plan comprises the task state of the new task and the execution time of the new task;
the allocating unit is configured to allocate the task scheduling plan to any scheduling process in an idle state according to the execution time of the new task, so that the scheduling process executes the new task scheduling, and includes: and the task manager selects a preset time before the execution time of the new task according to the execution time of the new task, and allocates the task scheduling plan to any scheduling process in an idle state.
7. The apparatus of claim 6, wherein the scheduling process, prior to performing the new task scheduling, is further configured to:
judging whether the new task is normal or not according to the task state of the new task;
if the task is normal, the scheduling process executes the new task scheduling;
and if not, stopping executing the new task scheduling by the scheduling process.
8. The apparatus of claim 7, further comprising:
the receiving unit is used for receiving a result which is sent by the scheduling process and used for indicating that the new task is abnormal;
and the deleting unit is used for deleting the new task, the task state and the execution plan of the new task and the generated task scheduling plan of the new task which are recorded in the task list according to the result.
9. The apparatus of claim 7 or 8, wherein the scheduling process determining that the new task is not normal comprises: and the scheduling process judges that the task state of the new task is a deletion state and/or the new task is not recorded in the task list.
10. The apparatus of any of claims 6-8, wherein the task list comprises a first sub-table and a second sub-table;
the first sub-table is used for recording the task state of each task;
the second sub-table is used for recording execution plans of all tasks, wherein the tasks in the first sub-table and the tasks in the second sub-table are associated through task numbers, and one task in the first sub-table corresponds to at least one execution plan in the second sub-table.
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