CN104102741A - Method for scheduling real-time data in monitoring system - Google Patents
Method for scheduling real-time data in monitoring system Download PDFInfo
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- CN104102741A CN104102741A CN201410371515.2A CN201410371515A CN104102741A CN 104102741 A CN104102741 A CN 104102741A CN 201410371515 A CN201410371515 A CN 201410371515A CN 104102741 A CN104102741 A CN 104102741A
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- 238000012544 monitoring process Methods 0.000 title abstract description 4
- 238000004422 calculation algorithm Methods 0.000 claims abstract description 5
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/30—Monitoring
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
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Abstract
The invention discloses a scheduling method for real-time data in a monitoring system, which belongs to a data scheduling method and comprises the following steps: (1) constructing a database model, wherein a field STARTTIME represents the starting time of real-time data which should be executed, NORMALDELAY represents the delay time of normal data, and HISTORYDELAY represents the delay time of historical data; (2) obtaining execution time by a maximum value calculation algorithm according to a database model, wherein the sum of the summary time of real-time data and the starting time of a time window and the sum of the current time of a system and the delay time of the time window take the maximum value as the execution time; (3) and scheduling the real-time data according to the execution time. The invention reduces logic judgment, development time and complexity and improves efficiency.
Description
Technical field
The present invention relates to a kind of method of data dispatch, specifically the dispatching method to real time data in a kind of supervisory system.
Background technology
Supervisory system is in safety-protection system, to apply one of maximum system.Composition mainly comprises, control part fore-end: video camera, camera lens, infrared lamp, The Cloud Terrace, intelligent spherical camera, support etc.Hop: video line, power lead, control line etc.Show storage area: video distributor, monitor, display, large-screen splicing video wall, DVR, matrix host computer etc.
By the real time data that monitoring is obtained, carry out analysis regularly, gather, obtain some valuable information, this is the function of at present a lot of supervisory systems.Such as the performance monitoring system of moving communicating field, carry out statistical study by the information that physical equipment Real-time Collection is reported, the bottleneck point of discovering network, thus improve network environment, improve user satisfaction.
Because the data volume of real-time report is very large, need to process timely data, avoid overstocked.So the scheduling to real time data is extremely important.But existing dispatching method, complexity is higher, and efficiency is low, and the scheduled for executing time cannot accurately be determined.
Summary of the invention
Technical assignment of the present invention is to provide one and has reduced logic judgement, has reduced the development time, has reduced complexity, has improved the dispatching method to real time data in a kind of supervisory system of efficiency.
Technical assignment of the present invention is realized in the following manner:
A dispatching method to real time data in supervisory system, dispatches real time data in supervisory system, comprises the steps:
(1), build a database model, STARTTIME field represents the start time of the real time data that carry out, NORMALDELAY represents the time delay of normal data, HISTORYDELAY represents the time delay of historical data;
(2), according to database model, obtain the execution time by maximizing algorithm, real time data gather the time add time window start time and and the current time in system add time window time delay and, getting maximal value is between the two the execution time;
(3), according to the execution time, carry out the scheduling to real time data.
In step (1), within each hour, have a collection of real time data, within one day, later the real time data of 24 hours the previous days is gathered to computing, sky gathers; It gathers the acceptable execution time the earliest for postponing 2 hours, is summarised in the 2:00 AM of second day for the sky of the real time data of the previous day and starts to carry out, and STARTTIME can be designated as: (24+2) × 60 × 60=93600 seconds.
In step (2), the start time of gathering time+time window of execution time=MAX(real time data, the time delay of current time in system+time window); If real time data is normal data, be NORMALDELAY the time delay of time window, i.e. the time delay of normal data; If real time data is historical data, be HISTORYDELAY the time delay of time window, i.e. the time delay of historical data.
In a kind of supervisory system of the present invention, the dispatching method of real time data is had the following advantages:
1, provide a kind of database model to calculate the execution time to real-time data analysis, can ensure the scheduled for executing Time Calculation of real time data correctly, meet scheduled for executing Time Calculation that postpone, the data of filling mining correct simultaneously;
2, by the method, can process timely real time data, avoid overstocked, and can dispatch historical data, scheduling accurately;
3, greatly reduce logic judgement, reduced the development time, reduced complexity, improved efficiency.
Embodiment
With reference to specific embodiment to the dispatching method of real time data being described in detail below in a kind of supervisory system of the present invention.
Embodiment 1:
Dispatching method to real time data in a kind of supervisory system of the present invention, dispatches real time data in supervisory system, comprises the steps:
(1), build a database model, STARTTIME field represents the start time of the real time data that carry out, NORMALDELAY represents the time delay of normal data, HISTORYDELAY represents the time delay of historical data;
(2), according to database model, obtain the execution time by maximizing algorithm, real time data gather the time add time window start time and and the current time in system add time window time delay and, getting maximal value is between the two the execution time;
(3), according to the execution time, carry out the scheduling to real time data.
?table 1
Database model is as shown in table 1.
Embodiment 2:
Dispatching method to real time data in a kind of supervisory system of the present invention, dispatches real time data in supervisory system, comprises the steps:
(1), build a database model, STARTTIME field represents the start time of the real time data that carry out, NORMALDELAY represents the time delay of normal data, HISTORYDELAY represents the time delay of historical data;
(2), according to database model, obtain the execution time by maximizing algorithm, real time data gather the time add time window start time and and the current time in system add time window time delay and, getting maximal value is between the two the execution time;
(3), according to the execution time, carry out the scheduling to real time data.
In step (1), within each hour, have a collection of real time data, within one day, later the real time data of 24 hours the previous days is gathered to computing, sky gathers; It gathers the acceptable execution time the earliest for postponing 2 hours, be summarised in the 2:00 AM of second day for the sky of the real time data of the previous day and start to carry out, the start time STARTTIME of the real time data of carrying out can be designated as: (24+2) × 60 × 60=93600 seconds.
In step (2), the start time of gathering time+time window of execution time=MAX(real time data, the time delay of current time in system+time window); If real time data is normal data, be NORMALDELAY the time delay of time window, i.e. the time delay of normal data; If real time data is historical data, be HISTORYDELAY the time delay of time window, i.e. the time delay of historical data.
It gathers, the real time data scheduling on July 1st, 2014, and the time of gathering of real time data is 20140701000000, the start time of time window is 93600; If normal data, be to gather the same day, the current time in system is 20140701150000, be 300 the time delay of normal data, start time=20140702020000 of gathering time+time window of real time data, time delay=20140701150300 of current time in system+time window, both get maximal value, and the execution time is 20140702020000.
It gathers, the real time data scheduling on July 1st, 2014, and the time of gathering of real time data is 20140701000000, the start time of time window is 93600; If historical data, current time in system is 20140705150000, be 300 the time delay of historical data, start time=20140702020000 of gathering time+time window of real time data, time delay=20140705150300 of current time in system+time window, both get maximal value, and the execution time is 20140705150300.
By embodiment above, described those skilled in the art can be easy to realize the present invention.But should be appreciated that the present invention is not limited to 2 kinds of above-mentioned embodiments.On the basis of disclosed embodiment, described those skilled in the art can the different technical characterictic of combination in any, thereby realizes different technical schemes.
Claims (3)
1. the dispatching method to real time data in supervisory system, is characterized in that in supervisory system, real time data being dispatched, and comprises the steps:
(1), build a database model, STARTTIME field represents the start time of the real time data that carry out, NORMALDELAY represents the time delay of normal data, HISTORYDELAY represents the time delay of historical data;
(2), according to database model, obtain the execution time by maximizing algorithm, real time data gather the time add time window start time and and the current time in system add time window time delay and, getting maximal value is between the two the execution time;
(3), according to the execution time, carry out the scheduling to real time data.
2. the dispatching method to real time data in a kind of supervisory system according to claim 1, is characterized in that, in step (1), within each hour, having a collection of real time data, within one day, later the real time data of 24 hours the previous days is gathered to computing, and sky gathers; It gathers the acceptable execution time the earliest for postponing 2 hours, is summarised in the 2:00 AM of second day for the sky of the real time data of the previous day and starts to carry out, and STARTTIME can be designated as: (24+2) × 60 × 60=93600 seconds.
3. the dispatching method to real time data in a kind of supervisory system according to claim 1, it is characterized in that in step (2), the start time of gathering time+time window of execution time=MAX(real time data, the time delay of current time in system+time window); If real time data is normal data, be NORMALDELAY the time delay of time window, i.e. the time delay of normal data; If real time data is historical data, be HISTORYDELAY the time delay of time window, i.e. the time delay of historical data.
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Citations (3)
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|---|---|---|---|---|
| CN101106698A (en) * | 2006-07-12 | 2008-01-16 | 上海振华港口机械（集团）股份有限公司 | Playback method and system for history data based on real time monitoring |
| CN102750371A (en) * | 2012-06-15 | 2012-10-24 | 中国电力科学研究院 | Parallel real-time database system and data management method thereof for power system |
| CN103559104A (en) * | 2013-11-07 | 2014-02-05 | 南京国电南自轨道交通工程有限公司 | Distributed redundancy real-time database framework based on hybrid communication |
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- 2014-07-31 CN CN201410371515.2A patent/CN104102741A/en active Pending
Patent Citations (3)
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| CN101106698A (en) * | 2006-07-12 | 2008-01-16 | 上海振华港口机械（集团）股份有限公司 | Playback method and system for history data based on real time monitoring |
| CN102750371A (en) * | 2012-06-15 | 2012-10-24 | 中国电力科学研究院 | Parallel real-time database system and data management method thereof for power system |
| CN103559104A (en) * | 2013-11-07 | 2014-02-05 | 南京国电南自轨道交通工程有限公司 | Distributed redundancy real-time database framework based on hybrid communication |
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