CN103514277A - Task parallel processing method for electricity utilization information collection system - Google Patents
Task parallel processing method for electricity utilization information collection system Download PDFInfo
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Abstract
The invention discloses a task parallel processing method for an electricity utilization information collection system. Distributed collection communication units are established, parallel collection threads of the collection communication units are correspondingly distributed on terminals of various cities to execute collection tasks, and collected tasks are decomposed according to different types of the terminals; operating states of all the collection threads of current collection communication units are inquired through management of the threads, and when vacant collection threads exist, tasks needing to be executed in a task queue are fetched; parallel processing is carried out on the collection tasks of the cities; data items collected through multiple collection threads are stored at the same time, and the threads are partitioned through a data caching area and are simultaneously read and written. Through the distributed parallel processing method, timeliness of task data of different users is guaranteed, and execution efficiency of the collection system is improved.
Description
Technical field
The tasks in parallel disposal route that the present invention relates to a kind of power information acquisition system, belongs to computer systems technology field.
Background technology
Parallel mechanism is an important component part of power information acquisition system platform, and issuing with the collection warehouse-in of data item of different user task can be carried out fast and efficiently.
For meeting the mission requirements of a large amount of different user power informations, parallel system should possess suitable availability and adaptivity.Not only need to provide normal task scheduling, also need to provide cutting apart of task; In addition, for meeting higher execution efficiency, parallel system also needs to possess certain adaptive function.
At present, partial information acquisition system provides the function of tasks in parallel, but too single of its parallel function, fixing of the corresponding relation comparison of task and thread, so just there will be the utilization factor of thread poor, thereby cause the execution efficiency of task not high, make data item can not gather timely warehouse-in, affect carrying out of the ageing stronger business such as sales department is checked meter, the electricity charge, and be accompanied by the reduction of QOS.
Summary of the invention
Technical matters to be solved by this invention is the method for parallel processing that has proposed a kind of advanced person, improves the execution efficiency of task, guarantees the promptness of data acquisition, improves the service quality of business.
For achieving the above object, the present invention takes following technical scheme to realize:
The tasks in parallel disposal route of power information acquisition system, is characterized in that: comprise
1) set up the distributed collection communication unit of prefectures and cities' acquisition tasks: set up distributed collection communication unit, by each, gather the terminal that is distributed in prefectures and cities that communicating machine parallel acquisition thread is corresponding and carry out acquisition tasks, to the acquisition tasks parallel processing between each districts and cities;
2) parallel processing of task: while having task to carry out in task queue, the running status of inquiring about all collecting threads of current collection communication unit by a management thread, when available free collecting thread, just reach this need to carrying out of task in task queue, the words that there is no the collecting thread free time, this task is in waiting status, until inquire the collecting thread having living space;
3) Task-decomposing becomes some subtasks: dissimilar according to terminal, gathering of task is decomposed:
A. terminal is copied terminal for collecting: loop-around data item, by current data item and current collection point, obtain acquisition target list, circle collection list object, obtains image data item, when image data item number reaches the task upper limit or arrives last acquisition target, generate Yi Tiao subtask; When the subtask of all acquisition targets has generated, go to next data item, by next data item and current collection point, obtain new acquisition target list, generate the acquisition tasks of next data item and current collection point, process is identical with the subtask generative process of previous data item;
B. terminal is negative control terminal: first obtain the acquisition target list of this collection point, circle collection list object, by each acquisition target, generate the list of image data item with all data item of current configuration task respectively, if image data item number reaches the maximum image data item number of every task, or while arriving last image data item of last acquisition target, generate Yi Tiao subtask; When the autotask of the image data item of the corresponding all data item of acquisition target has generated, go to next acquisition target, the autotask generative process of next acquisition target is identical with previous acquisition target generative process;
4) the parallel storage of task: the data item that a plurality of collecting thread collections are come up is stored simultaneously, and subregion is carried out for each thread in data buffer area, reads while write.
Task is divided into autotask and manual task by character, and autotask is regularly carried out every day, and manual task is by artificial manual triggers, as calls the data of surveying certain data item together; Autotask and manual task leave in respectively in the autotask queue buffer memory and manual task queue buffer memory in task queue buffer memory.
The priority ratio autotask of manual task is high, and task queue buffer memory is taked FIFO first in first out mechanism.
Management thread is used for starting or suspending a plurality of collecting threads, and collecting thread is got task in task queue buffer memory, and task querying method is: management thread starts first collecting thread; First inquire about manual task queue buffer memory stem, there is task just to start to carry out, and the first collecting thread enters busy condition, do not have task just to continue inquiry autotask queue buffer memory stem, there is task just to carry out, and the first collecting thread enters busy condition, just do not continue inquiry manual task queue buffer memory and autotask queue buffer memory, enter polling status;
A upper collecting thread enters after busy condition, and management thread starts next collecting thread, and next collecting thread is carried out identical task query script.
The parallel memory mechanism of task is:
Database is according to terminal number, the information such as Customs Assigned Number, electric table number, ammeter office number, date, area number are carried out Region Segmentation, the data that mission thread handle is collected are according to terminal number, the information such as Customs Assigned Number, electric table number, ammeter office number, date, area number respectively deposit data to corresponding region, if corresponding information is from canned data is different before, carry out data update, if the information of fruit correspondence is with canned data is identical before, executing data is replaced and is upgraded operation.
It is hot standby that each collection communication unit is provided with collection communication unit, when current collection communication unit breaks down, is switched to collection communication unit hot standby, by gathering the hot standby continuation of communication unit, carries out current task.
A collection communication unit comprises a management thread, for the maximum parallel acquisition Thread Count of managing, is 300.Collection communicating machine is hot standby: for when main equipment breaks down, can automatically switch to stand-by equipment, assurance task can continue to carry out.
The present invention has extensibility to power information acquisition system, along with the increase of task amount, can decompose and parallel processing according to the terminal type of task.
For guaranteeing the normal execution of task, the invention provides a kind of backup means: Hot Spare, the mode backup database of employing archivelog mode.
The beneficial effect that the present invention reaches:
The present invention uses distributed proccessing and parallel algorithm, solved the problem of the loaded down with trivial details and enormous amount of existing acquisition tasks, dwindled widely the time of tasks carrying, the execution efficiency of raising task, along with the timely warehouse-in of data, improved that metering detects, the electricity charge are checked and accepted and the quality of the business such as malfunction elimination.
Accompanying drawing explanation
Fig. 1 parallel processing physical structure structural drawing;
Fig. 2 tasks in parallel realization flow figure.
Embodiment
Below in conjunction with accompanying drawing, the present invention is done to concrete introduction:
As shown in Figure 1, physics deployment model of the present invention, comprises tasks carrying storehouse, business library, task scheduling thread (management thread), collecting thread, data buffer area and puts in batches thread in storage.
Task queue in tasks carrying storehouse is for depositing m task of execution, each collection communication unit 1A, 1B task scheduling thread are used for starting or suspending 300 collecting threads of its management, task scheduling thread starts collecting thread, in task queue buffer memory, get task, n the terminal connecting according to collecting thread dissimilar, gathering of task is decomposed, be decomposed into some subtasks, executing tasks parallelly is processed.And by the data of collection according to cut zone respectively correspondence be stored in data buffer area, by data buffer area, concentrate by each and gather in the last Unified Set of batch warehouse-in thread in communication unit 1A, 1B and store in business library.
As shown in Figure 2, method task inquiry of the present invention, parallel processing process are:
Dissimilar according to terminal, decomposes gathering of task; Task is divided into autotask and manual task by character, leaves in respectively in autotask queue buffer memory and manual task queue buffer memory.
Management thread starts first collecting thread; First inquire about manual task queue buffer memory stem, there is task just to start to carry out, and the first collecting thread enters busy condition, do not have task just to continue inquiry autotask queue buffer memory stem, there is task just to carry out, and the first collecting thread enters busy condition, just do not return and continue inquiry manual task queue buffer memory and autotask queue buffer memory, enter polling status;
After taking-up task, a upper collecting thread enters busy condition, starts to carry out data acquisition, and data acquisition completes Hou You partitions of database storage data; Meanwhile, after taking-up task, management thread starts next collecting thread, and next collecting thread is carried out identical task inquiry, parallel processing process.Management thread is not sent pause instruction, and after the task in task queue is finished dealing with, thread finishes.
Parallel the issuing with the parallel of terminal affair or data item that method of the present invention can be used for supporting to be equipped with the large-scale special change user of information acquisition, middle-size and small-size special change user, three general industry users, single-phase general industry user, resident and public distribution transforming examination stoichiometric point tasks reports.Method for parallel processing of the present invention has improved the execution efficiency of task, and assurance task can complete as soon as possible, promotes that metering detects, the electricity charge are checked and accepted and the quality of the business such as malfunction elimination.
Below with preferred embodiments, announce the present invention as above, so it is not intended to limiting the invention, all take to be equal to replace or technical scheme that the mode of equivalent transformation obtains, all drop in protection scope of the present invention.
Claims (7)
1. the tasks in parallel disposal route of power information acquisition system, is characterized in that: comprise the following steps:
1) set up the distributed collection communication unit of prefectures and cities' acquisition tasks: set up distributed collection communication unit, by each, gather the terminal that is distributed in prefectures and cities that communicating machine parallel acquisition thread is corresponding and carry out acquisition tasks, to the acquisition tasks parallel processing between each districts and cities;
2) parallel processing of task: while having task to carry out in task queue, the running status of inquiring about all collecting threads of current collection communication unit by a management thread, when available free collecting thread, just reach this need to carrying out of task in task queue, the words that there is no the collecting thread free time, this task is in waiting status, until inquire the collecting thread having living space;
3) Task-decomposing becomes some subtasks: dissimilar according to terminal, gathering of task is decomposed:
A. terminal is copied terminal for collecting: loop-around data item, by current data item and current collection point, obtain acquisition target list, circle collection list object, obtains image data item, when image data item number reaches the task upper limit or arrives last acquisition target, generate Yi Tiao subtask; When the subtask of all acquisition targets has generated, go to next data item, by next data item and current collection point, obtain new acquisition target list, generate the acquisition tasks of next data item and current collection point, process is identical with the subtask generative process of previous data item;
B. terminal is negative control terminal: first obtain the acquisition target list of this collection point, circle collection list object, by each acquisition target, generate the list of image data item with all data item of current configuration task respectively, if image data item number reaches the maximum image data item number of every task, or while arriving last image data item of last acquisition target, generate Yi Tiao subtask; When the autotask of the image data item of the corresponding all data item of acquisition target has generated, go to next acquisition target, the autotask generative process of next acquisition target is identical with previous acquisition target generative process;
4) the parallel storage of task: the data item that a plurality of collecting thread collections are come up is stored simultaneously, and subregion is carried out for each thread in data buffer area, reads while write.
2. the tasks in parallel disposal route of power information acquisition system according to claim 1, is characterized in that:
Task is divided into autotask and manual task by character, and autotask is regularly carried out every day, and manual task is by artificial manual triggers; Autotask and manual task leave in respectively in the autotask queue buffer memory and manual task queue buffer memory in task queue buffer memory.
3. the tasks in parallel disposal route of power information acquisition system according to claim 1 and 2, is characterized in that:
The priority ratio autotask of manual task is high, and task queue buffer memory is taked first in first out mechanism.
4. the tasks in parallel disposal route of power information acquisition system according to claim 1, is characterized in that:
Management thread is used for starting or suspending a plurality of collecting threads, and task querying method is: management thread starts first collecting thread; First inquire about manual task queue buffer memory stem, there is task just to start to carry out, and the first collecting thread enters busy condition, do not have task just to continue inquiry autotask queue buffer memory stem, there is task just to carry out, and the first collecting thread enters busy condition, just do not continue inquiry manual task queue buffer memory and autotask queue buffer memory, enter polling status;
A upper collecting thread enters after busy condition, and management thread starts next collecting thread, and next collecting thread is carried out identical task query script.
5. the tasks in parallel disposal route of power information acquisition system according to claim 1, is characterized in that:
The parallel memory mechanism of task is:
Database is according to terminal number, Customs Assigned Number, electric table number, ammeter office number, date, area number information are carried out Region Segmentation, the data that collecting thread handle is collected are according to terminal number, Customs Assigned Number, electric table number, ammeter office number, date, area number information respectively correspondence are stored in corresponding region, if corresponding information is from canned data is different before, carry out data update, if corresponding information is with canned data is identical before, executing data is replaced and is upgraded operation.
6. the tasks in parallel disposal route of power information acquisition system according to claim 1, it is characterized in that: it is hot standby that each collection communication unit is provided with collection communication unit, when current collection communication unit breaks down, be switched to collection communication unit hot standby, by gathering the hot standby continuation of communication unit, carry out current task.
7. the tasks in parallel disposal route of power information acquisition system according to claim 1 or 5, is characterized in that: one gathers communication unit and comprises a management thread, for the maximum parallel acquisition Thread Count of managing, is 300.
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| CN104065741A (en) * | 2014-07-04 | 2014-09-24 | 用友软件股份有限公司 | Data collection system and method |
| CN104216963A (en) * | 2014-08-22 | 2014-12-17 | 南京邮电大学 | Mass network management data collection and storage method based on HBase |
| CN104268178A (en) * | 2014-09-16 | 2015-01-07 | 积成电子股份有限公司 | Electric energy database writing method for power consumer electricity utilization information acquisition system |
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