JPH02110760A - Traffic control system between on-line processing systems - Google Patents

Abstract

PURPOSE:To improve traffic controlability by automatically changing the priority when the necessity to change the priority of an on-line processing system with a certain time as boundary can be predicted beforehand. CONSTITUTION:Besides on-line processing systems 12A and 12B, a computer system 21 is provided with a system execution monitoring means 13, a constant time elapsing informing means 14, a time interval designating means 15, a priority information storing area 16, a time-classified priority changing means 17, a time informing means 18, a priority information storing area 19 with time and a priority designating means 20 with time. The time information is given to the priority information of respective on-line processing systems 12A and 12B and the change of the priority due to the time can be carried out. Even in the system in which the priority of respective on-line processing systems is reversed with a certain time as a boundary, the priority of respective on-line processing systems can be automatically changed during the operation of the system. Thus, the soft traffic control can be carried out.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a traffic control scheme between online processing systems.

(Prior art) Conventionally, the priority order of each online processing system was fixed at the time of system construction or specified from an external source.
To change the priority of traffic control between online processing systems while the system is running, either stop the online processing system, change the priority information, and restart it, or specify it from an external source. There was no other way than to change it directly.

(Problem to be Solved by the Invention) Processing of transaction messages in each online processing system in the above-mentioned conventional online processing system is performed based on priorities set at the time of system construction. To change traffic control based on priority information, there is no other way than to stop the online processing system and restart it, or to change it directly based on external specifications. Even if it is possible to predict in advance the need to change the priorities, there is a drawback that the priorities cannot be changed automatically.

An object of the present invention is to propose a traffic control method between online processing systems that eliminates the above-mentioned drawbacks.

(Means for Solving the Problems) The traffic control method between online processing systems of the present invention includes a message receiving unit that receives a message for a transaction processing request from a terminal device, and a message receiving unit that temporarily stores the message. , a message storage area, transaction execution control means for passing the message to an application program and controlling execution of transaction processing according to the application program, and message transmission means for transmitting the message to a terminal device. A method for controlling traffic between online processing systems in a computer system in which a plurality of online processing systems exist, the timed priority information storage storing timed priority information indicating the priority of the online processing systems after a certain time. a timed priority order specifying means for storing timed priority order information of the online processing system in the timed priority order information storage area and notifying another means of the time of the timed priority order information; a time notification means for notifying other means of the time when the time specified by the timed priority order specification means; a priority information storage area for storing the priority order of each online processing system; Upon receiving the notification from the time notification means, refer to the timed priority information storage area, search for the time at which the priority of the system is to be changed, and change the priority corresponding to the time notified from the time notification means. Timed priority specifying means stored in a priority information storage area; Execution permission information storage area storing information on whether or not execution of online processing is permitted in the online processing system; Upon receiving the reception notification, refer to the execution permission information storage area, and if there is permission to execute the online process, notify others to that effect, and if there is no permission to execute the online process, do not execute the message. a load information storage area for storing load information of the online processing system; and a load information storage area for storing load information of the online processing system; A load state determining means that determines the load state, stores the result in the load information storage area, and notifies others, and when it is notified from the execution permission determining means or the load state determining means that the message will not be executed. , message distribution means that passes the message to the message transmission means, returns the message, and when there is a notification to execute the message, passes the message stored in the message storage area to the transaction execution control means for transaction processing. a time interval specifying means for specifying a time interval for notification of the elapse of a certain period of time; and a certain period of time elapse notification means for periodically notifying others of the passage of the time interval specified by the time interval specifying means; Upon receiving the notification from the specified time elapse notification means, the priority information stored in the priority information storage area and the load information in the load information storage area of each online processing system are referred to, and the online processing system with the highest priority is selected. It is determined whether or not the processing system is overloaded in order, and message execution permission information is stored in the execution permission information storage area of the online processing system that is not in the overloaded state, and there is an online processing system that is overloaded. At that point, after storing execution permission information in the execution permission information storage area, the online processing system that has a lower priority than the priority of the overloaded online processing system and is not in the overloaded state. and system execution monitoring means for storing information that does not permit execution in the execution permission information storage area of the online processing system having the lowest priority.

(Example) Next, the present invention will be explained with reference to the drawings.

FIG. 1 is a configuration diagram showing a computer system to which an embodiment of the present invention is applied. This computer system 21 includes two online processing systems. More specifically, the online processing system 12A in the computer system 21.

12B, terminal devices IA, IB, message receiving means 2;
A, 2B, message storage areas 3A, 3B.

Execution permission determination means 4A, 4B, execution permission information storage area 5
A, 5B, load condition determination means 6A, 6B.

Load information storage areas 7A, 7B, message distribution means 8
A, 8B,) ranzaktion execution control means 9A, 9
B. Application program 10A.

10B, message transmitting means 11A, 11. B, respectively. The computer system 21 includes, in addition to the online processing systems 12A and 12B, a system execution monitoring means 13, a certain time elapse notification means 14, a time interval designation means 15, a priority information storage area 16, and a time-based delivery system. Priority change means 17, time notification means 18, timed priority information storage area 19, and timed priority designation means 2
It has o.

FIG. 2 shows an example of priority information specified to the timed priority order designation means 20, FIG. 3 shows an example of the processing of the timed priority order designation means, and FIG. 4 shows an example of the processing of the time notification means. FIG. 5 shows an example of the process of the time-specific flight destination order changing means, FIG. 6 shows an example of the process of the time interval designation means, and FIG. 7 shows an example of the process of the fixed time elapse notification means. ,
FIG. 8 shows an example of the processing of the system execution monitoring means, FIG. 9 shows an example of the processing of the execution permission determination means, FIG. 10 shows an example of the processing of the load state determination means, and FIG. An example of processing by the distribution means is shown, and FIG. 12 shows an example of processing by the transaction execution control means.

Next, the operation of the embodiment shown in FIG. 1 will be explained.

The computer system 21 causes the timed priority designation means 20 to be executed when the system is started. The timed priority order designation means 20 stores specified timed priority order information in the timed priority order information storage area 19, identifies the time of the information,
The identified time is notified to the time notification means 18. The time notifying means 18 is configured to notify the timed priority order specifying means 2 at the time of system startup.
It operates from the time when the time is notified from 0 until the end of the system, and when the time notified from the timed priority order designation means 20 matches the current time, the time-based flight destination order change means 1
7 and continues processing to pass the time. Also, an online processing system 12A.

The execution permission flags stored in the execution permission information storage areas 5A and 5B of each of the 12B are turned on when each online processing system is started. In the following, a certain time t
Let us say that the system that we want to process preferentially between o and a certain time tl is an online processing system A, and the system that we want to preferentially process between a certain time t1 and a certain time to is an online processing system 12B. FIG. 2 shows time tO, tl
The table shows the information to be specified to the timed priority order designation means 20 so as to change the priority order.

The timed priority designation means 20 performs step 31 in FIG.
In step 32, timed priority information is stored in the timed priority information storage area, time tO and tl are identified in step 32, and time tO and tl are notified to time notification means 18 in step 33.

The time notifying means 18 identifies the current time in step 41 of FIG.

tl is searched in order until the end in step 43. In step 44, the difference between the current time and the time to or tl searched in step 42 is determined, and the timer function 45 is notified of the calculated time. The timer function 45 notifies step 46 that the notified time has elapsed. In step 46, when the notification is received from the timer function 45, in step 47, the timer function 45 is notified to re-notify in 24 hours. In step 48, the time to or tl retrieved in step 42 is notified to the time-specific flight destination ranking changing means 17, and the time-based flight destination ranking changing means 17 is executed. Steps 45-48 continue processing until the system terminates at step 49.

The time-specific flight destination order changing means 17 performs step 51 in FIG.
In step 52, the timed priority information storage area 19 is sequentially searched based on the time to or tl passed from the time notification means 18, and if the search reaches the end in step 52 and no corresponding information is found, no information is searched. Terminates the process without doing anything. If the time to or tl passed in step 53 matches, and if to is notified to A in step 54 as shown in Table 1 of FIG. 2, then the online processing system A
The priority of online processing system B is set to 1, and the priority of online processing system B is set to 2. Conversely, when tl is notified, the priority of online processing system A is set to 2, and the priority of online processing system B is set to 1. The information is stored in the priority information storage area 16.

The time interval specifying means 15 notifies the fixed time elapse notification means 14 of the time interval specified in step 61 of FIG. The fixed time elapse notification means 14 determines whether the time interval notified in step 71 of FIG. Notify means 13.

If the time interval notified at step 71 is not O, the time interval notified is notified to the timer function 74 at step 73, and when the notification is received from the timer function 74 at step 75, the system is executed at step 76. Monitoring means 1
3 of the intention to control traffic between online processing systems.

The system execution monitoring means 13 receives a notification from the certain time elapse notification means 14 in step 81 of FIG.
In step 2, it is determined whether or not to cancel traffic control between online processing systems, and in the case of a notification to cancel traffic control, in step 83, the online processing systems 12A, 12B of the computer system 21, all execution permission information storage areas are Turn on the execution permission flags of 8A and 8B. In step 82, in the case of a notification for controlling traffic between online processing systems, in step 85, the online processing systems 12A stored in the priority information storage area 16 are searched one by one starting from the highest priority online processing systems 12A, If there is no online processing system to search in step 84, the process ends.

In step 86, refer to the load information storage area 7A of the online processing system 12A searched in step 85,
In step 87, it is determined whether the online processing system 12A is overloaded, and if it is not overloaded, in step 89, the execution permission information storage area 5 of the online processing system 12A is
Turn on the execution permission flag of A and proceed to step 84.85.
Then, the online processing system 12 with the highest priority
Search B.

If online processing system 12A is overloaded in step 87, online processing system 12A is overloaded in step 88.
The execution permission flag in the execution permission information storage area 5A is turned on, and in step 8B, the search is performed one by one in descending order of priority. In step 8C, the online processing systems with the next priority searched in step 88 are searched, and if there is no online processing system to be searched, step 8
End the process with A.

If the online processing system 12A is overloaded in step 87, the online processing system 12B is searched for in steps 8B and 8C, the load information storage area 7B of the online processing system 12B is referred to in step 8D, and the online processing system 12B is overloaded, and if not overloaded, the execution permission flag in the execution permission information storage area 8B of the online processing system 12B is turned off in step 8F.

Within the computer system 21, a time interval designation means 15
In the case where 0 is not specified in the online processing system 12A, which is specified with a higher priority than the online processing system 12B during tOt1, when the message receiving means 2A receives a message from the terminal device IA, it determines whether execution is permitted. Execute means 4A.

The execution permission determination means 4A refers to the execution permission information storage area 5A at step 91 in FIG. 9, and determines whether the execution permission flag is turned on at step 92. If the execution permission flag is on, the load state determination means 6A is executed in step 93, and if the execution permission flag is off, in step 94, a notification is given that the message will not be executed, and the message distribution means 6A is executed. Execute 8A. The online processing system 12A is the online processing system 12B.
Since the system has a higher priority, the execution permission flag in the execution permission information storage area 5A does not turn off in this case. Therefore, in the online processing system 12A, the load state determining means 6A is always executed.

The load state determination means 6A checks the load state of the online processing system 12A at step 101 in FIG.
At step 104, overload information is stored in the load information storage area 7A, and at step 104, a notification is given that the message will not be executed, and the message distribution means 8A is executed. If it is determined in step 102 that there is no overload, a notification to execute the message is issued in step 105, and the message distribution means 8A is executed.

The message distribution means 8A checks the notification as to whether or not to execute the message at step 111 in FIG. 11, and if it is determined at step 111 that the message is not executed,
In step 112, a notification that the message was not accepted is sent to the message sending means 11A, and in step 11
If you decide to execute the message in step 1, proceed to step 1.
At step 13, a notification to execute the message is given, and the transaction execution control means 9A is executed.

The transaction execution control means 9A retrieves the message from the message storage area 9A at step 121 in FIG. 12, performs transaction start processing at step 122, and executes the application program I at step 123.
OA is executed, transaction end processing is performed in step 124, and message sending means 1 is executed in step 125.
1A is notified of the transaction processing result.

The message transmitting means 11A displays on the terminal device 1A the transaction processing result or the fact that the message passed from the message sorting means was not accepted.

Within the computer system 21, a time interval designation means 15
In the case where 0 is not specified in the online processing system 12B and a lower priority than the online processing system 12A is specified between tO and t1, the message receiving means 2B receives a message from the terminal device IB. Then, the execution permission determining means 4B is executed.

The execution permission determination means 4B refers to the execution permission information storage area 5B at step 61 in FIG. 6, and determines whether the execution permission flag is turned on at step 62. If the execution permission flag is on, the load state determination means 6B is executed in step 62, and if the execution permission flag is off, a notification is given that the message will not be executed, and the message distribution means 8B is executed. do. Online processing system 1
Since the system 2B has a lower priority than the online processing system 12A, the execution permission flag in the execution permission information storage area 5B is turned off when the online processing system 12A becomes overloaded.

The load state determination means 6B checks the load state of the online processing system 12B at step 101 in FIG.
If it is determined in step 102 that there is an overload, step 10
3 stores overload information in the load information storage area 7B,
In step 104, a notification is given that the message will not be executed, and the message distribution means 8B is executed. If it is determined in step 102 that there is no overload, a notification to execute the message is issued in step 105, and the message distribution means 8B is executed.

The message distribution means 8B checks the notification as to whether or not to execute the message at step 111 in FIG. 11, and if it is determined at step 111 that the message is not executed,
In step 112, a notification that the message was not accepted is sent to the message sending means 11B, and in step 11
If you decide to execute the message in step 1, proceed to step 1.
At step 13, a notification to execute the message is given, and the transaction execution control means 9B is executed.

The transaction execution control means 9B retrieves the message from the message storage area 9B at step 121 in FIG. 12, performs transaction start processing at step 122, and executes the application program I at step 123.
OB is executed, transaction end processing is performed in step 124, and message sending means 1 is executed in step 125.
Notify 1B of the transaction processing result.

The message transmitting means 11B displays the transaction processing result or the fact that the message passed from the message sorting means was not accepted on the terminal device IB.

Within the computer system 21, a time interval designation means 15
If 0 is specified in , online processing system 1
2A and 12B, the execution permission flags of the information storage areas 5A and 5B remain on, even if priority information is stored in the priority information storage area 16. , online processing system 12A,
Each of the online processing systems 12B executes transaction processing only according to its own load status, and does not perform traffic control based on the load status of other online processing systems.

(Effects of the Invention) As explained above, in the present invention, in a system where multiple online processes exist, time information is added to the priority information of each online processing system, making it possible to change the priority order based on time. . Therefore, according to the method of the present invention, even in a system where the priority of each online processing system is reversed at a certain time, the priority of each online processing system can be automatically changed without human intervention during system operation. This allows for more flexible traffic control. The present invention has such effects.

[Brief explanation of the drawing]

FIG. 1 is a configuration diagram of a computer system to which a system according to an embodiment of the present invention is applied, FIG. 2 is a diagram showing an example of priority information specified to the time-based priority order designation means 20, and FIG. 4 is a flowchart showing an example of the processing of the time notification means; FIG. 5 is a flowchart showing an example of the processing of the time-specific priority changing means; FIG. FIG. 7 is a flowchart showing an example of the processing of the interval specifying means; FIG.
The figure is a flowchart showing an example of the processing of the system execution monitoring means,
FIG. 9 is a flowchart showing an example of the processing of the execution permission determining means;
FIG. 10 is a flow chart showing an example of the processing of the load state determining means, FIG. 11 is a flow chart showing an example of the processing of the message distribution means, and FIG. 12 is a flow chart showing an example of the processing of the transaction execution control means. 1... Terminal device, 2... Message receiving means, 3.
...message storage area, 4...execution permission determination means,
5... Execution permission information storage area, 6... Load status determination means, 7... Load information storage area, 8... Message distribution means, 9... Transaction execution control means, 1
0... Application program, 11... Message sending means, 12... Online processing system,
13... System execution monitoring means, 14... Certain time elapse notification means, 15... Time interval designation means, 16...
・Priority information storage area, 17... Time-based priority order changing means, 18... Time notification means, 19... Timed priority information storage area, 20... Timed priority order designation means, 21 ...Computer system. AX online treatment sinutem 12A B; online course sinutem 12B #M ##men II Shin M set f: S no Kuma E Yuu: 5N

Claims (1)

[Scope of Claims] Message receiving means for receiving a message for a transaction processing request from a terminal device; a message storage area for temporarily storing the message; and a message storage area for temporarily storing the message; In a computer system where there is a plurality of online processing systems each having a transaction execution control means that controls the execution of transaction processing according to a program and a message transmission means that sends a message to a terminal device, traffic between the online processing systems is controlled. The method includes: a timed priority information storage area for storing timed priority information indicating the priority of the online processing system after a certain time; a timed priority specification means for storing the timed priority information in a priority information storage area and notifying another means of the time of the timed priority information; and a time specified by the timed priority specification means; a time notification means for notifying other means; a priority information storage area for storing the priority of each online processing system; and a priority information storage area with time for receiving the notification from the time notification means. a time-based priority change means for searching for a time at which the system priority is to be changed, and storing the priority corresponding to the time notified from the time notification means in the priority information storage area; In an online processing system, an execution permission information storage area is provided for storing information on whether or not execution of online processing is permitted; Execution permission determination means for notifying others that the message will not be executed if there is permission to execute the process; and for notifying others that the message will not be executed if there is no permission to execute the online process; a load information storage area for storing load information; receiving a notification of execution permission for the online processing from the execution permission determination means, determining a load state of the online processing system, and storing the result in the load information storage area; and a load state determining means for notifying others, and when the execution permission determining means or the load state determining means notifies the user that the message will not be executed, the message is passed to the message transmitting means, the message is returned, and the message is executed. message distribution means for passing the message stored in the message storage area to the transaction execution control means for transaction processing when there is a notification; and a time interval specification for specifying a time interval for notification of the elapse of a certain period of time. means for notifying others of the passage of the time interval specified by the time interval specifying means; The priority information stored in the online processing system and the load information in the load information storage area of each online processing system are referenced to determine whether or not the online processing system is overloaded in order from the highest priority to the overloaded state. Execution permission information for the message is stored in the execution permission information storage area of the online processing system that is not in the system, and when an overloaded online processing system exists, information that permits execution is stored in the execution permission information storage area. After storage, the execution permission information storage area of the lowest priority online processing system among the online processing systems that have a lower priority than the priority of the online processing system in the overloaded state and are not in the loaded state. 1. A system for controlling traffic between online processing systems, comprising: a system execution monitoring means for storing information that is not permitted to be executed.