JP3308210B2 - Distributed processing system and processing method - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a distributed processing system, and more particularly to a distributed processing system capable of changing definition information in real time and a method of dynamically changing the definition information.

[0002]

2. Description of the Related Art Many of today's systems are distributed and processed for a long period of time. For a distributed processing system, for immediate synchronization and consistency of data files existing on each host computer, files and data on the distributed host computer can be input / output as if they existed on the host computer. This was done using software called "remote files" and "remote databases". As a first conventional example, a data update processing method for managing data file consistency on each host computer of this distributed processing system is disclosed in
No. 259302.

[0003] According to the publication, with reference to FIG. 7, to hold the same data a plurality of host computers S, A, the data file 4 7 on B, the host computer S,
In a distributed processing system in which A and B perform necessary processing in a distributed manner, each of the host computers S, A and B constituting the system stores the input update data in the transmission mailbox 48, and the data type thereof. And a first immediate synchronizing means 41 of the entry application program AP for outputting an update processing request notification including the storage location information and receiving the update data transmission instruction, extracting the specified data from the transmission mailbox 48, and specifying the specified data. A data transmitting unit 43 for transmitting to the destination, a data receiving unit 44 for receiving the updated data and storing the updated data in the reception mailbox 49 and outputting an update data arrival notification including the type, transmission source, and storage location information of the data; Upon receiving the execution instruction, the designated data is extracted from the received The second immediate synchronization means of the update application program AP for executing the update of the data file, and when receiving the update processing request notification, determines the destination of the update data and outputs a transmission instruction to the data transmission means 43, The specified update data is extracted and output from the transmission mailbox 48 to the data receiving means 44. When the update data arrival notification is received from the data reception means 44, the data file 47 to be updated is determined and the data file 47 is determined. A transmission / reception data management means for outputting the update execution instruction to the second instantaneous synchronization means.

According to this publication, the application program (entry AP) on the updating side has the above configuration.
Only needs to store the update data in the transmission mailbox and output an update processing request notification, and the update AP on the file update side extracts the data from the specified storage location of the reception mailbox and sets the data to Since the file has only to be updated, there is an effect that the synchronization can be maintained immediately and independently of the distributed host computers.

As a second conventional example, Japanese Patent Application Laid-Open No. 9-2
Japanese Patent Application Laid-Open No. 6940 discloses a system that provides consistent system definition information among a plurality of computers in a distributed processing system, enables the distributed processing system to be started accurately in accordance with the start order of processes, and grasps and verifies the operation status of processes. In order to recover the distributed system in the correct order by stopping and restarting the remaining processes according to the system failure status.

In this publication, as shown in FIG. 8, in a distributed processing system in which a plurality of computer systems 101a and 101b and a system management device 104 for managing the computer system 100 are connected on a network, System 101 and processing system 101
A processing execution unit 102 for executing processing within the system, a system definition information fetching unit 103 for fetching system definition information from a system definition information distribution unit, and a distributed processing system 10
0, a system management device 104 that creates, analyzes, and distributes the system definition information, a system definition information definition unit 105 that creates system definition information for the process execution unit 102, and a system definition created by the system definition information definition unit 105. A system definition information table 106 for storing information;
1 includes a system definition information consistency check unit 107 for checking the consistency of the system definition information, and a definition information distribution unit 108 for distributing the system definition information to the processing system 101.

As described above, the consistency between the system definition information is checked by the consistency rule information of the system definition information consistency check unit 107, thereby preventing the consistency such as the duplication of the only process existing on the network. Alternatively, it is possible to prevent deficiencies in definition information such as undefined processes that should exist in the system,
It is stated that the matched system definition information can be distributed and provided to each processing system on the network.

[0008]

However, in the above-mentioned first conventional example, since the distributed processing system does not centrally manage the definition information, the definition information is changed by operating the input means. As described above, since the definition information must be manually changed, it is difficult to change the definition information. In particular, in the case of a large system, there is a problem that the reliability is reduced.

Further, in the second conventional example, it is possible to maintain the consistency of the system, but there is no description about a system that operates 24 hours a day in this distributed system. When the definition information is changed, the business must be stopped, and there is a problem that the definition information cannot be changed.

An object of the present invention is to solve the above problems and to provide a dynamic change system capable of changing definition information in real time in a distributed processing system.

[0011]

According to a first aspect of the present invention.
Lever, a plurality of distributed processing unit, and the centralized management to define information integrated management apparatus the definition information of each distributed processing unit, pre
Min and a change instruction means for instructing a change of the serial definition information
A distributed processing system , wherein the unified management of definition information is synchronized with the definition by an instruction from the change instruction means.
Synchronous control means for controlling the updating of the definition information, and the definition information is transmitted to each of the distributed processing apparatuses by a transfer instruction of the synchronous control means.
Bei transfer means for transferring, and a definition information master storage unit to be transmitted to the transfer means store centrally the definition information
The respective distributed processing devices are configured to receive the
An instruction receiving means for receiving an instruction to change the definition information, a receiving means for receiving the definition information from said transfer means, and definition information storage unit for storing the definition information transferred from said receiving means, said definition information storage expand the <br/> definition information stored in the parts and a business processing unit to conduct business process
In the distributed processing system,
The business processing unit stores the definition information in the definition information storage unit.
If stored, the definition information is stored in the definition information storage unit.
Reads and deploys, and executes business processing with self-distributed processing device
Check that the definition information can be
After the expansion and confirmation, switch to the new definition information
A distributed processing system is provided .

In the above distributed processing system, the constant
A revision management unit that performs revision management when the synchronous control unit of the definition information central management device receives a change instruction and the change instruction includes a revision instruction. further comprising a management unit, said each distributed processing unit, when the revision instructing the change instruction is included, checks the revision through the instruction receiving means in accordance with the change instruction from the synchronization control means Revcheck Means may be further provided . Min above
In the distributed processing system, the synchronization control unit may perform the change.
If there is a rollback instruction when receiving the instruction,
The definition information is stored in the definition information master storage unit.
Each of the distributed processing is performed by transferring the definition information before the generation via the transfer means.
May be transferred to the management device.

According to a second aspect of the invention, the distributed processing method of distributed processing system comprising a plurality of distributed processing apparatus, the distributed processing system during operation, the definition information from the change instruction section to synchronization control means when instructed to change, the synchronization control unit issues an instruction to change the said definition information to each distributed processing unit, the transfer means and the receiving means the definition information of definition information master storage unit that stores the definition information through the transfers to the definition information storage unit in each distributed processing apparatus, before
When the serial transfer is complete, the transfer unit receives the transfer completion event from the receiving unit, the synchronization control means queuing said transfer completion event from all of the distributed processing unit, said synchronization control means are all wherein when receiving the transfer completion event from the distributed processing unit, characterized in that issue definition information expansion instruction to all of the distributed processing apparatus
Is provided . The above distributed processing method
In the above, the business processing unit in each of the distributed processing apparatuses is newly
Read the definition information from the definition information storage unit and expand it
When the deployment is completed, the business processing unit completes the deployment.
Notification to the synchronization control means,
The means is a means for completing the deployment completion from all of the distributed processing apparatuses.
Waiting for a vent, the above-mentioned
When the deployment completion event is received, all the distributed processing
Issue the definition information switching instruction to the device, and the business processing unit
When the definition information switching instruction is received, the new
You may switch to right information. In the above distributed processing method
And the synchronization control means of the definition information unified management device.
Rollback instruction included when dan receives change instruction
The definition information in the definition information master storage
Switch to the definition information of the previous generation and switch to the definition information of the previous generation.
The information may be transferred to the distributed processing device.

[0014]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments according to the present invention will be described.
This will be described in detail with reference to the drawings.

First Embodiment (Configuration of the Present Embodiment) Referring to FIG. 1, a distributed system according to the present embodiment includes a keyboard or the like for inputting a command, or a dynamic change instruction unit for giving an instruction by a screen operation. 1
And definition information unified management device 2 for unified management of definition information
And a plurality of distributed processing devices 3 in charge of each task in the distributed processing system. A plurality of distributed processing devices 3 exist according to the system, and all of them are connected to the unified definition information management device 2 via a network such as Ethernet.

The dynamic change instructing unit 1 includes a simple input unit and a display, and includes a keyboard, a numeric keypad, a scanner, and an FDD.
(Floppy Disc Drive) while inputting definition information while looking at a display such as a CRT or a liquid crystal panel, storing the definition information in the definition information master storage unit 21, and transferring the definition information to each distributed processing apparatus. Or instruct.

The unified definition information management device 2 includes a definition information master storage unit 21 that integrally defines and stores the definition information of the distributed system, and a synchronization control unit 22 that synchronously notifies the distributed information to the distributed processing devices. And definition information master storage unit 21
Transfer means 23 for transferring definition information to each distributed processing device from
And

The definition information master storage unit 21 stores definition information used in the distributed processing system. This definition information is stored for several generations of changes in accordance with a change such as an increase or decrease in the number of distributed processing devices in the distributed system. The definition information is changed by changing the definition information stored here by an input operation of an input device (not shown),
This is reflected on each distributed processing device 3.

The synchronization control unit 22 waits for the completion of the transfer of the definition information to each distributed processing device 3 and issues a definition information expansion / switching instruction.

Further, the transfer means 23 transfers the definition information stored in the definition information master storage unit 21 to each distributed processing device 3.

Each of the plurality of distributed processing apparatuses 3 includes an instruction receiving unit 31, a receiving unit 32, a definition information storage unit 33 having a definition information file, and a business processing unit 34 having a definition information development memory. Prepare.

Here, the instruction receiving means 31 receives a dynamic change instruction and a definition information expanding / switching instruction from the synchronization control means 22, and gives an instruction to the receiving means 32 or the business processing unit 34.

The receiving means 32 receives the definition information transferred from the transfer means 23,
To store. When the transfer is completed, the receiving means 32 notifies the transfer means 23 of a transfer completion event.

The definition information storage unit 33 stores definition information necessary for the distributed processing device 3 in a storage unit as a definition information file.

Further, the business processing section 34 reads out the definition information stored in the definition information storage section 33, expands the definition information,
The information is stored in the definition information expansion memory, and the distributed work in the system is performed based on the stored information.

A plurality of distributed processing apparatuses are provided in the distributed processing system, and synchronous control means 22 and transfer means 23 are connected in parallel or by a transmission bus, respectively.
The definition information is dynamically transferred to each distributed processing device in real time.

Here, the definition information includes definition information common to distributed processing systems and definition information defined for a specific distributed processing device. For example, [PATTERN] is a section ID that indicates the definition of a pattern ID, and the pattern ID is defined from the section identification to the next section identification. [P ID] defines a keyword “pattern ID”, and the pattern ID is specified by an integer value from 1 to 255. [TYPE] is the keyword "transfer type"
[HOST] defines the keyword "transfer range" and uses it when specifying agents, and also uses [REGION] and [CLUSTER] when specifying in regions and clusters, respectively. .

For example, "[PATTERN] P ID = 02 TYPE =
Create definition information such as "ACOS".

The definition information stores the definition information common to the distributed processing devices and the definition information individually for each distributed processing device every time the distributed processing system is changed.

(Operation of the Present Embodiment) Next, FIG. 2 showing the flowchart (indicated by reference numeral "-1") of the definition information unifying device 2 and the flowchart of the distributed processing device 3 (reference numeral "-2") are shown in FIG. The operation of the present embodiment will be described in detail with reference to FIG.

In the definition information of the distributed system, [PATTERN], [TYPE], etc. for the above-mentioned transfer as setting items, a database, a time server, a node manager, a business server,
Information that specifies a security server or the like. This definition information is changed by operating input means such as a keyboard (not shown) with respect to the old definition information in the definition information master storage unit 21 and outputting data (not shown). While referring to the display of the display etc. of
Edit and process.

First, the dynamic control unit 22 receives a dynamic change instruction from the dynamic change instruction unit 1 (step A1). The synchronization control unit 22 switches the definition information of the definition information master storage unit 21 and validates the changed definition information (step A).
2).

The synchronous control means 22 issues a dynamic change instruction to the instruction receiving means 31 of all the distributed processing apparatuses 3 (steps A3-1 and A3-2). The instruction receiving unit 31 issues a transfer request to the synchronization control unit 22 (steps A4-1 and A4-1).
4-2). The synchronization control unit 22 issues a transfer instruction to the transfer unit 23, and transfers the definition information stored in the definition information master storage unit 21 to the old definition information in the definition information storage unit 33 via the reception unit 32 (steps A5 and A6). -1, A6-
2).

The receiving means 32 notifies the transfer means 23 of the completion of transfer each time one file has been transferred or written (steps A7-1 and A7-2), and steps A5 to A7 are repeated until all the files have been transferred. It is.

All the distributed processing apparatuses 3 are controlled by the synchronization control means 22.
Check that the transfer to the server has been completed (step A
8).

If the transfer or the writing fails in any of the distributed processing apparatuses 3, the synchronization control unit 22 issues an interruption instruction to all the distributed processing apparatuses 3, and the distributed processing apparatus 3 interrupts the dynamic change. (Steps A9-1 and A9-2).

When the transfer is completed, the synchronization control means 22
Sends a deployment instruction to the instruction receiving means 31 of all the distributed processing apparatuses 3, and in response, the instruction receiving means 31 issues a deployment instruction to the business processing unit 34 (step A 10-).
1, A10-2).

The business processing unit 34 reads the new definition information stored in the definition information storage unit 33 and expands it in a newly secured memory area (step A11). When the deployment is completed, the business processing unit 34 notifies the instruction receiving unit 31 of a deployment completion event. The instruction receiving unit 31 notifies the synchronization control unit 22 of the deployment completion event (Steps A12-1 and A12-2).

All the distributed processing devices 3
It is checked whether the definition information development has been completed (step A13).

If the development fails in any of the distributed processing apparatuses 3, the synchronization control unit 22 issues an interruption instruction to all the distributed processing apparatuses 3, and the distributed processing apparatus 3 interrupts the dynamic change (step S1). A14-1, A14-2). When the development is completed, the synchronization control unit 22 issues a switching instruction to the instruction receiving unit 31, and the instruction receiving unit 31 receives the instruction to perform a switching instruction to the business processing unit 34 (step A1).
5-1 and A15-2). The business processing unit 34 switches to the expanded definition information (step A16), and notifies the instruction receiving unit 31 of the completion of the switching. The instruction receiving unit 31 notifies the synchronization control unit 22 of the completion of the switching (step A17).
-1, A17-2).

All the distributed processing devices 3
It is checked whether or not the switching in (Step A)
18).

If switching fails in any of the distributed processing devices 3, the synchronization control means 22 performs error processing such as outputting an error message (step A19-1, step A19-1).
A19-2).

According to the procedure of each step of the above-described flowchart, the definition information is first transferred to each distributed processing device 3 and stored in the definition information storage unit 33, and then the definition information is expanded in the business processing unit 34. It is checked whether the definition information operates normally, and thereafter, when the number of management generations is exceeded, the oldest definition information is deleted. That is, the number of management generations is stored for each definition information.

[Second Embodiment] Next, a second embodiment of the present invention will be described in detail with reference to the drawings. FIG.
In the present embodiment, the definition information unified management device 4
However, in addition to the configuration of the definition information unified management device 2 in the embodiment shown in FIG.
And that the distributed processing device 5 includes a revision check unit 35 in addition to the configuration of each distributed processing device 3 in the embodiment shown in FIG. In FIG. 4, the same parts as those in FIG. 1 are denoted by the same reference numerals, and redundant description will be omitted.

The revision management means 24 manages the revision added to the definition information. Revision information of the definition information stored in the definition information master storage unit 21 is stored.

The revision checking means 35 includes: a revision notified by a dynamic change instruction from the synchronization control means 22;
A revision with the definition information stored in the definition information storage unit 33 is checked.

The operation of this embodiment will be described in detail with reference to the drawings. Steps A4 to A6, A8 to FIG.
The operations of the transfer unit 23, the receiving unit 32, and the business processing unit 34 in the present embodiment indicated by A19 are the same as the operations of the transfer units 23, the receiving unit 32, and the business processing unit 34 of the embodiment shown in FIG. Therefore, the description is omitted.

In the embodiment shown in FIG. 1, when a problem occurs after the definition information is changed, it is necessary to change the definition information again in the same procedure in order to return to the definition information of one generation before. Was. In this case, in this case, if the definition information of the previous generation remains in the definition information storage unit 33 of the distributed processing device 3, the definition information is used without being transferred. Therefore, the transfer load of the entire system is reduced, and the transfer time is shortened.

When a dynamic change instruction (including a rollback instruction) is received from the dynamic change instruction unit 1 by the synchronization control means 22 of the definition information unified management device 4 (step A1), it is confirmed whether the instruction is a rollback instruction (step B1). ). If it is not rollback, the definition information is changed according to the procedure shown in FIGS. If the instruction is a rollback instruction, the synchronization control unit 22 switches the definition information one generation before (step B2), and performs rollback as a dynamic change to the distributed processing apparatus 3 (step A2).

Upon receiving the instruction, the instruction receiving unit 31 checks whether the instruction is a rollback instruction. If the instruction is a rollback, the revision checking unit 35 checks whether the definition information revision in the definition information storage unit 33 matches the rollback instruction revision. And notifies the instruction receiving means 31 (step B3
And B4). If they match, a revision match notification is sent to the synchronization control means 22 (step B5). In this case, the definition information is not transferred. If they do not match, that is, if there is no definition information of the previous generation, step A3
Transfer of the definition information is performed according to the procedures of A6. Synchronous control means 2
2 waits for a transfer end notification or a revision match notification (step A7).

When the switching of the definition information of all the distributed processing apparatuses 3 is completed, the revision of the new definition information is stored in the revision management means 24 (step B6).

If the revision of the definition information stored in the revision management means 24 can be displayed, the revision of the definition information currently used can be confirmed at a glance.

When the procedure of the revision management means and the revision check are completed, the procedure is executed as described with reference to FIGS. That is, the synchronization control unit 22 checks whether the transfer to all the distributed processing apparatuses 3 has been completed (step A8).

Subsequently, when the transfer or the writing fails in any of the distributed processing apparatuses 3, the synchronization control means 22 instructs all the distributed processing apparatuses 3 to suspend, and the distributed processing apparatus 3 Is interrupted (steps A9-1, A9-
2).

Further, when all the transfer is completed, the synchronization control means 22 issues a development instruction to the instruction receiving means 31 of all the distributed processing apparatuses 3 and receives the instruction.
1 issues a deployment instruction to the business processing unit 34 (steps A10-1 and A10-2).

The business processing unit 34 reads the new definition information stored in the definition information storage unit 33 and develops it in a newly secured memory area (step A11). When the development is completed, the business processing unit 34 receives an instruction. The expansion completion event is notified to the means 31. The instruction receiving unit 31 notifies the synchronization control unit 22 of the expansion completion event (steps A12-1 and A12-2), and checks whether the synchronization control unit 22 has completed the definition information expansion of all the distributed processing apparatuses 3. If the deployment fails in any of the distributed processing apparatuses 3 (step A13), the synchronization control unit 22 issues an interruption instruction to all the distributed processing apparatuses 3, and the distributed processing apparatus 3 suspends the dynamic change. (Steps A14-1, A14-2)
When all the development is completed, the synchronization control unit 22 issues a switching instruction to the instruction receiving unit 31, and in response, the instruction receiving unit 31 issues a switching instruction to the business processing unit 34 (steps A15-1 and A15). -2).

The business processing unit 34 switches to the expanded definition information (step A16), and the completion of the switching is instructed by the instruction receiving means 31.
Notify to The instruction receiving unit 31 notifies the synchronization control unit 22 of the completion of the switching (steps A17-1 and A17-).
2) The synchronization control unit 22 checks whether switching has been completed in all the distributed processing devices 3 (step A18).
If switching fails in any of the distributed processing devices 3,
The synchronization control unit 22 performs error processing such as outputting an error message (steps A19-1 and A19-).
2).

According to the procedure of each step of the above-described flowchart, in the case of rollback, management information of the revision management means 24, that is, the definition information revision of one generation before, the definition information revision, and the definition information storage unit 33 are stored. After that, the definition information is expanded to the business processing unit 34 to check whether the definition information is a normally operating definition information, and then, when the number of management generations is exceeded, the oldest definition information is deleted. I do. That is, only the number of management generations is stored for each definition information. In this way, the definition information is transferred to each distributed processing apparatus in real time, and each distributed processing apparatus can execute the same processing when processing the same application according to the common definition information.

[0059]

According to the present invention, in a large-scale distributed processing system that operates for 24 hours, or in a distributed processing system that operates for a long time, synchronized definition information can be changed and synchronization control means can be used. It is possible to automate the exchange between the instruction receiving means of each distributed processing device and the transfer means, the receiving means, and the transfer of the definition information, thereby reducing operation errors, reducing transfer time, and using the same program. Then, the same processing can be performed, and operability can be improved.

[Brief description of the drawings]

FIG. 1 is a block diagram of a distributed processing system according to the present invention.

FIG. 2 is an operation flowchart of the distributed processing system of the present invention.

FIG. 3 is an operation flowchart of the distributed processing system of the present invention.

FIG. 4 is a block diagram of a distributed processing system according to the present invention.

FIG. 5 is an operation flowchart of the distributed processing system of the present invention.

FIG. 6 is an operation flowchart of the distributed processing system of the present invention.

FIG. 7 is an operation flowchart of a conventional distributed processing system.

FIG. 8 is an operation flowchart of a conventional distributed processing system.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Dynamic change instruction part 2 Definition information unified management device 3 Distributed processing device 21 Definition information master storage part 22 Synchronization control means 23 Transfer means 31 Instruction reception means 32 Receiving means 33 Definition information storage part 34 Business processing part 41 First Immediate synchronization means 42 Transmission / reception data management means 43 Data transmission means 44 Data reception means 45 Second immediate synchronization means 47 Data files 101a, 101b Processing systems A and B 105 System definition information definition means 106 System definition information table 107 System definition Information consistency checker 108 System definition information distributor

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-7-182264 (JP, A) JP-A-7-114495 (JP, A) JP-A-6-208458 (JP, A) JP-A 8- 55048 (JP, A) JP-A-9-204299 (JP, A) JP-A-8-123747 (JP, A) JP-A-6-3322872 (JP, A) (58) Fields investigated (Int. Cl. ^7, DB name) G06F 13/00 351 G06F 13/00 355 G06F 12/00 545

Claims (6)

(57) [Claims] 1. A plurality of distributed processing devicesWhen, Definition for centrally managing the definition information of each distributed processing device
A centralized information management device,Said Change instructing means for instructing a change in definition information;Have
A distributed processing system,  The definition information unified management device,  Synchronously with an instruction from the change instruction meansThe definition information
Update informationSynchronous control means for controlling;  In accordance with the transfer instruction of the synchronization control means,
The definition informationA transfer means for transferring;Said Store definition information centrally and send it to the transfer means
Definition information master storageEquippedThe respective distributed processing devices,  The synchronization control meansFrom the definition informationReceived change instruction
Receiving means for receiving instructions;  From the transfer meansSaidReceiving means for receiving the definition information;  Transferred from the receiving meansSaidStores definition information
Definition information storage unit,  The definition information storage unitSaid stored inExpand definition information
Business processing unit that performs business processingHaveDistributed processing system
MAt The business processing unit of each of the distributed processing devices includes the definition information
When the definition information is stored in the storage unit, the definition information
The definition information is read out from the storage unit, expanded, and distributed.
Check whether business processes can be executed on the
The definition information storage unit, after the completion of the deployment and the confirmation,
Distributed processing characterized by switching to new definition information
system . 2. The distributed processing system according to claim 1,
AndThe definition information unified management device, The definition information unified management device
The synchronization control means of the device has received a change instructionEdgeToThe change finger
As shownIf a revision instruction was included,Revision
Revision management means to manageFurther comprising,  Each of the distributed processing devicesBut the change instructionThe revision
If instructions were included,The synchronization control meansFromStrange
The revision via the instruction receiving means
Revision checking means to checkFurther comprisingthing
A distributed processing system characterized by the following. 3. The distributed processing system according to claim 2,
And  The synchronization control meansSaidRoll when change instruction is received
If there is a back instruction,Copy the definition information to the definition information
Previous generation of definition information stored in the cluster storageToThe roll
Transmission to each of the distributed processing devices via a transmission unit.
Distributed processing system. 4. A distributed processing method for a distributed processing system having a plurality of distributed processing apparatuses, wherein, when the distributed processing system is operating, when a change instruction unit instructs a synchronization control unit to change definition information, the synchronization is performed. the control means issues an instruction for changing said defining information to the distributed processing unit, the definition information for defining information master storage unit that stores the definition information via the transfer means and the receiving means in said each distributed processing unit transfer to the definition information storage unit, when the transfer is complete, the transfer unit receives the transfer completion event from the receiving unit, the synchronization control means, prior to all of the distributed processing unit
Queuing the serial transfer completion event, the synchronization control means, prior to all of the distributed processing unit
When receiving the serial transfer completion event, the distributed processing method characterized by issuing a definition information expansion instruction to all of the distributed processing system. (5) Claim4In the distributed processing method described in
hand,  The business processing unit in each of the distributed processing devices is, New definition information
ToRead from the definition information storage unit, expand it,The business processing unit is When deployment is complete,
Notifying the synchronous control means of a vent, wherein the synchronous control meansPrevious
RecordWait for the deployment completion event and execute all distributed processing
From the deviceSaidWhen the deployment completion event is received, all
Instructs the distributed processing device to switch definition informationbroth,The business processing unit is Receives definition information switching instructionDo
When,Switching to new expanded definition information
Distributed processing method. 6. The distributed processing method according to claim 4, further, when included the rollback instruction when said synchronization control means of the definition information centrally managed device receives a change instruction, the definition A distributed processing method, wherein the definition information in the information master storage unit is switched to the definition information of one generation before, and the definition information of one generation before is transferred to the distributed processing apparatus.