JP2005208922A - Job assignment method for grid system, grid mediation apparatus, and resource computer - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a job assignment method for a grid system, a grid mediation apparatus, and a resource computer that enable such assignment as enables job assignment depending on a dynamic change in the throughput of resource computers. <P>SOLUTION: The grid mediation apparatus 2 assigns sample jobs to each of first to third resource computers 4 to 6 to perform execution (Step 1, 2), accumulates throughputs depending on a processing time required in the execution and a data size, as statistical information on data types in each resource computer, in a statistical information DB 21 (Step 3 to 5), and when receiving a request for data processing from a service user terminal 3 (Step 7), selects the resource computer that is suitable to execute the data processing according to a data type and the statistical information on data types in each resource computer accumulated in the statistical information DB 21 (Step 8 to 10) and issues a request (Step 11). <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a grid computer system (also simply referred to as a grid system) that forms a virtual computer that performs predetermined data processing using surplus processing capability (surplus resources) of a plurality of computers connected to a network.

In the conventional grid system, a program for measuring processing capacity is distributed to each computer (hereinafter referred to as resource computer) that provides surplus resources, and the processing capacity of each resource computer is determined from the returned measurement results. (See Patent Document 1). In this method, it was possible to know the processing capacity of the resource computer when the processing capacity measurement program was executed.
JP 2001-325041 A

  However, in the above method, if other processing (sentence creation, spreadsheet, moving image editing, etc.) is executed when the processing capability measurement program is executed, the processing capability of the measurement result becomes small. Originally, since the grid system is a system that uses free resources (surplus resources) of resource computers used by each user, the amount of resources that can be used changes every moment, and the processing capacity of the entire system accordingly. Is considered to fluctuate. In many cases, a so-called benchmark program or the like is used as the processing capacity measurement program, but the load between this and a job actually allocated to each resource computer does not always match. Therefore, there is a problem that effective job assignment cannot be performed only by determining the processing capability only from the execution result of the processing capability measurement program as described above.

  An object of the present invention is to provide a job allocation method, a grid mediation apparatus, and a resource computer in an allocatable grid system that enables job allocation according to a dynamic change in the processing capacity of a resource computer.

  Another object of the present invention is to provide a job assignment method, a grid mediation apparatus, and a resource computer in an assignable grid system that enables assignment of jobs according to the contents of data processing actually assigned to a resource computer. is there.

  In order to achieve the above object, the method of the present invention comprises at least two resource computers that provide surplus resources and at least a grid mediation device connected to each resource computer via a network, and the grid mediation device is all or Each resource computer is assigned to a grid system that forms a virtual computer that performs predetermined data processing by allocating and executing a plurality of jobs constituting predetermined data processing to some resource computers and collecting the execution results. This is a job allocation method for performing predetermined data processing using data distributed in advance. The grid mediation device allocates and executes jobs by specifying the data type and data size in each resource computer. At this time, the processing time and data required for execution in each resource computer A step of accumulating the processing capacity for each data type in each resource computer obtained from the size as statistical information for each data type in each resource computer, and a request for predetermined data processing specifying the data type from the service user terminal When accepted, a step of selecting at least one optimal resource computer based on the data type and statistical information for each data type in each resource computer and assigning a job is performed.

  In addition, the method of the present invention includes at least two resource computers that provide surplus resources, and at least a grid mediation device connected to each resource computer via a network, and the grid mediation devices are all or part of the resource computers. A plurality of jobs constituting a predetermined data process are allocated and executed, and the execution results are collected, and distributed to each resource computer in advance to a grid system that forms a virtual computer that performs the predetermined data process. A job allocation method for performing predetermined data processing using data, wherein the grid intermediary device allocates a sample job by designating a data type and a data size to each resource computer via a network; Each resource computer that executed the sample job The step of receiving the processing time required for execution of the sample job returned via the network together with the execution result, and the processing capacity for the data type in each resource computer determined from the processing time and the data size, Storing and managing statistical information for each data type in a computer in a database accessible directly or via a network; receiving a predetermined data processing request from a service user terminal together with a data type via a network; and Selecting at least one resource computer suitable for execution of the predetermined data processing on the basis of the data type and statistical information for each data type in each resource computer stored in the database; and Resource calculation Assigning a job including a data type and a data size to the network, receiving a processing time required for executing the job returned from the resource computer that has executed the job together with the execution result, and The processing capacity of the resource computer obtained from the processing time and the data size is added to the database as statistical information for each data type in the resource computer, and stored and managed.

  In the method of the present invention, the grid intermediary device determines whether each resource computer is idle or non-idle, and the determination result is used to determine whether each resource computer is idle / non-idle. Based on the data type, the statistical information for each data type in each resource computer and the computer status information in each resource computer stored in the database as computer status information to be represented and managed And selecting at least one resource computer suitable for executing the data processing.

  In the method of the present invention, when the network has a SIONet function and each resource computer and the grid mediation device have a SIONet terminal function, the resource mediator status determination step uses the SIONet terminal function. Receiving a response to the event from each resource computer in which a filter indicating an idle state or a non-idle state is set, using a terminal function of SIONet, And recognizing a resource computer in an idle state or a non-idle state.

  Further, the method of the present invention provides the latest statistics among a plurality of statistical information for each data type stored in the database as the statistical information for each data type stored in the database. It is characterized by using information.

  The method of the present invention uses an average value of a plurality of statistical information for each data type in each resource computer stored in the database as statistical information for each data type in each resource computer stored in the database. It is characterized by.

  The apparatus of the present invention comprises at least two resource computers that provide surplus resources and at least a grid mediation device connected to each resource computer via a network, and the grid mediation device is a resource computer that is wholly or partially A grid intermediary device in a grid system that forms a virtual computer that performs predetermined data processing by allocating and executing a plurality of jobs constituting predetermined data processing and collecting the execution results, and each resource computer A sample job is assigned by specifying the data type and data size via the network, and the processing time required to execute the sample job returned from the resource computer that executed the sample job via the network is executed. Hands received with results Database that can access the processing capability for the data type in the resource computer obtained from the received processing time and the data size and data type at that time directly or via the network as statistical information for each data type in each resource computer Means for storing and managing data, means for receiving a request for predetermined data processing from the service user terminal together with the data type, and for each data type in each resource computer stored in the data type and the database Means for selecting at least one resource computer suitable for execution of the predetermined data processing based on statistical information; means for allocating a job including a data type and a data size to the selected resource computer via a network; , The job Characterized by comprising a means for receiving in conjunction with the execution result of the processing time required from the row resource computer in execution of the job to be returned via the network.

  Further, the apparatus of the present invention provides the data in the resource computer obtained from means for determining whether the state of each resource computer is idle or non-idle, and the received processing time, the data size and the data type at that time. The processing capacity for each type is stored and managed in a database that can be accessed directly or via a network as statistical information for each data type in each resource computer, and the determination result is stored in the idle state / non-idle state of each resource computer. Based on the data type, the statistical information for each data type in each resource computer and the computer status information in each resource computer stored in the database as the computer status information to represent At least one suitable for performing data processing of Characterized by comprising a means for selecting the source computer.

  Further, in the apparatus of the present invention, when the network has the SIONet function and the SIONet terminal function together with each resource computer, the resource computer state determination means uses the SIONet terminal function to make the resource in an idle state or a non-idle state. A resource calculator that receives a response to the event from each resource computer set with means for issuing an event for inquiring a computer and a filter indicating an idle state or a non-idle state using a terminal function of SIONet, and is in an idle state or a non-idle state It comprises the means to recognize.

  Further, the apparatus of the present invention provides the latest statistics among a plurality of statistical information for each data type stored in the database as statistical information for each data type stored in the database. It is characterized by using information.

  Further, the apparatus of the present invention uses an average value of a plurality of statistical information for each data type in each resource computer stored in the database as statistical information for each data type in each resource computer stored in the database. It is characterized by.

  The apparatus of the present invention comprises at least two resource computers that provide surplus resources and at least a grid mediation device connected to each resource computer via a network, and the grid mediation device is a resource computer that is wholly or partially A resource computer in a grid system that forms a virtual computer that performs predetermined data processing by allocating and executing a plurality of jobs that constitute predetermined data processing, and collecting the execution results. And having means for setting a filter in an idle state or a non-idle state according to an operating situation using a terminal function of SIONet.

  According to the present invention, it is possible to perform processing in a short time by allocating to a resource computer suitable for job execution, whereby the service user terminal can obtain processing results quickly. In addition, the grid intermediary device can handle more jobs, and if it is pay-per-use, it is possible to obtain a large amount of income. Further, the resource computer can reduce the time taken for the grid system. By knowing the processing capacity of each resource computer, it is possible to predict the time until the result response on the grid intermediary device or service user terminal side, the grid intermediary device can schedule jobs, and the resource computer can be used effectively Become.

  The best mode for carrying out the present invention is a grid system comprising a plurality of resource computers, a grid mediation device, and a network connecting them, and the grid mediation device supports each resource computer for actual data processing. The sample job is assigned and executed by specifying the data type and data size, and the processing time and data size required for the execution are used to determine the processing capacity for the data type in each resource computer, and store and manage it in the database. Upon receiving a request for predetermined data processing specifying a data type from a user, an optimal resource computer is selected from the data type of the predetermined data processing and the processing capability for each data type in each of the accumulated resource computers. By assigning jobs, the actual data processing contents In addition, the processing capacity of the resource computer calculated from the processing time and data size required to execute the data processing requested by the user is added to the database and stored and managed. This makes it possible to assign jobs according to dynamic processing capacity changes based on the latest processing capacity of each resource computer and the average value of the processing capacity.

  FIG. 1 shows the operation of the grid system according to the embodiment of the present invention at the time of the first job assignment (sample job request), and FIG. 2 shows the second and subsequent job assignments (services) of the grid system according to the embodiment of the present invention. In the figure, 1 is a network (always connected communication network), 2 is a grid intermediary device, 3 is a service user terminal, and 4, 5 and 6 are resource computers. (Terminals A, B, C), 21 is a statistical information database (DB) of the grid mediating apparatus 2.

  FIG. 3 shows an example of a calculation function table stored (constructed) in the statistical information DB 21 of the grid mediating apparatus 2. In the figure, F-1 is the IP address of the resource computer used for data distribution and job assignment, F-2 is the state of the resource computer (idle state or non-idle state), and F-3 is distributed to the resource computer The data type, F-4 is the processing capacity (statistical information) for each data type in the resource computer determined from the processing time and data size required for the actual job execution, and F-5 is the statistical information of F-4 .., And DB-1, DB-2,... Represent data contents corresponding to the resource computers A, B,.

  FIG. 4 shows an operation sequence corresponding to the first embodiment of the present invention. The first embodiment of the present invention will be described with reference to FIGS. 1, 2, 3 and 4. FIG.

  First, FIG. 1 illustrates an initial stage (first time) for constructing a calculation function table in the statistical information DB 21. It is assumed that data of a plurality of data types is distributed in advance to each resource computer 4-6.

  As step 1, the grid mediating apparatus 2 allocates a job (sample job) equivalent to the actual calculation, picks up the data type X and the data size 100 MByte as an allocation job, and all the resource computers (terminals) participating in the grid system. Request transfer to 4-6. In step 2, the sample job is executed by the terminals 4 to 6, the terminal 4 has a processing time of 20 seconds, a processing capacity of 5 MByte / s, the terminal 5 has a processing time of 10 seconds, a processing capacity of 10 MByte / s, and the terminal 6 has Statistical information of processing time: 120 seconds and processing capacity: 0.8 MByte / s is obtained (step 3).

  In step 4, the grid mediating apparatus 2 receives the statistical information returned from each terminal 4-6 together with the execution result. In step 5, the grid mediating apparatus 2 constructs a calculation function table in the statistical information DB 21 based on the statistical information. In the calculation capability table, as shown in FIG. 3, the processing capability for each data type for each resource computer is databased as the latest data, and whether the resource computer is in a non-idle state due to the original PC operation or power off, Or the data of the real-time situation of an idle state is also made into a database. In step 6, the grid intermediary device 2 updates and manages the calculation capability table in the statistical information DB 21.

  FIG. 2 illustrates the execution status of the second and subsequent analysis requests.

  In step 7, the grid intermediary device 2 receives a data processing request from the service user terminal 3 together with the data type and data size. In step 8, the grid intermediary device 2 recognizes that the job allocation data size is 50 Mbytes and the data type, searches the DB 21 in step 9, and in step 10 a terminal in an idle state as a resource computer suitable for processing, for example, Choose A4.

  In step 11, the grid mediating apparatus 2 allocates a job to the terminal A4 and requests it. In step 12, the terminal A4 executes the job. In step 13, the grid intermediary device 2 receives the job execution result and statistical information (data size and processing time) returned from the terminal A4. In step 14, the grid mediating apparatus 2 collects the execution results and creates an analysis result. In step 15, the analysis result is transferred to the service user terminal 3. In step 16, the grid mediating apparatus 2 updates the DB 21 with the statistical information of the terminal A4.

  The sequence of the first embodiment will be described in detail with reference to FIG.

  Step 1: The grid intermediary device 2 allocates a sample job, picks up the data type X and the data size of 100 Mbyte as an allocation job, and transfers the request to the resource computers 4 / A, 5 / B, 6 / C participating in the grid system. .

  Step 2: The terminals 4 to 6 execute an allocation job as a sample job.

  Step 3: The terminals 4 to 6 acquire processing capability (statistical information).

  Step 4: The grid mediating apparatus 2 receives the statistical information returned from the terminals 4 to 6 together with the execution result.

  Step 5: The grid intermediary device 2 sets a processing capacity for each data type for each resource computer, and constructs a calculation function table in the DB 21.

  Step 6: The grid mediating apparatus 2 updates and manages the resource processing capacity of the statistical information DB 21.

  Step 7: The grid intermediary device 2 accepts a calculation processing request (including data size / type presentation) from the service user terminal 3.

  Step 8: The grid intermediary device 2 starts searching for an optimal job execution resource computer.

  Step 9: The grid intermediary device 2 searches the DB 21.

  Step 10: The grid mediating apparatus 2 determines an optimal job execution resource computer.

  Step 11: The grid mediating apparatus 2 sends an analysis request to the resource computer 4A.

  Step 12: The resource computer 4A executes the calculation of the analysis.

  Step 13: The grid mediating apparatus 2 receives the execution result and statistical information (including data size and data type) returned from the resource computer 4A.

  Step 14: The grid mediating apparatus 2 collects the execution results and creates an analysis result.

  Step 15: The grid intermediary device 2 transfers the analysis result to the service user terminal 3.

  Step 16: The grid mediating apparatus 2 updates the DB 21.

  In the first embodiment, an example is shown in which data processing requested by a service user is assigned to one resource computer. However, the requested data processing has a plurality of data types or a large data size. In such a case, it goes without saying that a plurality of resource computers may be selected in the grid mediating apparatus 2 and a job for each data type or a divided job may be assigned to each of them.

  In addition, the selection of the optimal resource computer is based on the calculation capability table of the DB 21 and, among the idle resource computers, the one with the highest recorded processing capability for the data type of the requested data processing, Alternatively, it is performed by selecting the highest recorded processing capability, the highest recorded processing capability, or the highest average value. At this time, the order of the selection based on the processing capability for each data type and the selection based on the computer state (selection based on the idle state or the non-idle state) may be either first or later.

  The second embodiment of the present invention shows an example in which the state determination of the resource computer in the first embodiment is realized using an SIONet (Semantic Information-Oriented Network) function.

  FIG. 5 shows a grid system corresponding to the second embodiment of the present invention. In the figure, 10 is a network having a SIONet function (always connected communication network), 20 is a grid mediating apparatus having a SIONet terminal function, Reference numerals 40, 50, and 60 denote resource computers having SIONet terminal functions.

  6 shows an example of the conditions of the filters 41, 51, 61 set by the SIONet terminal function of each resource computer 40, 50, 60, and FIG. 7 shows the events generated by the SIONet terminal function of the grid mediating apparatus 20. The second embodiment of the present invention will be described with reference to FIGS. 5, 6, and 7. FIG.

  The grid intermediary device 20 transfers to the network 10 an event for inquiring a resource computer in an idle state or a non-idle state, that is, an event including an event type “resource computer”, a property “idle state”, or “non-idle state”.

  On the other hand, each of the resource computers 40 to 60 is set with a filter indicating an idle state or a non-idle state, that is, a filter including an event type “resource computer” and a property “idle state” or “non-idle state”. Only the resource computer with the filter setting “state” responds to the event, and the grid mediating apparatus 20 determines that only the responding resource computer is in an idle state, and considers the job allocation. In addition, the data of the search result by an event are updated as the computer state F-2 in the calculation capability table of DB21 at any time.

  FIG. 8 shows an embodiment of a grid intermediary device corresponding to each of the embodiments described above. In the figure, 21 is a statistical information DB, 22 is a database (DB) management means, 23 is a computer state determination means, and 24 is a sample. Job allocation / reception means, 25 a processing request reception means, 26 a computer selection means, 27 a processing request means, and 28 an execution result receiving means.

  The statistical information DB 21 holds the calculation function table as described above. The DB management unit 22 stores and stores the determination result of the computer state passed from the computer state determination unit 23 in the calculation capability table as a computer state F-2 representing an idle state / non-idle state of each resource computer. The processing capacity for the data type in the resource computer obtained from the processing time passed from the sample job allocation / reception unit 24 and the execution result receiving unit 28, the data size and the data type at that time, and the statistics for each data type in each resource computer The information is stored and stored in the calculation function table as information F-4.

  The computer state determination means 23 determines whether the state of each resource computer is idle or non-idle. Here, when the network has the SIONet function and the grid mediation apparatus 2 has the SIONet terminal function together with each resource computer, the computer state determination means 23 uses the SIONet terminal function to make the resource in an idle state or a non-idle state. A resource calculator that receives a response to the event from each resource computer set with means for issuing an event for inquiring a computer and a filter indicating an idle state or a non-idle state using a terminal function of SIONet, and is in an idle state or a non-idle state And a means for recognizing.

  The functions for realizing SIONet are mainly a grouping function for identifying terminals that should emit an event among terminals connected to a network, and a discovery for finding a terminal that meets a predetermined condition among terminals that have issued an event. A function and a sharing function for sharing information between terminals that meet the conditions are used. In the present invention, a grouping function and a discovery function are used.

  The sample job assignment / reception means 24 assigns a sample job to each resource computer by designating the data type and data size via the network, and returns them from each resource computer that executed the sample job via the network. The processing time required to execute the sample job is received together with the execution result, and the processing time, the data size and the data type at that time are passed to the DB management unit 22.

  The processing request receiving means 25 receives a predetermined data processing request from the service user terminal 3 together with the data type via the network.

  The computer selection means 26 includes the data type of the data processing requested from the service user terminal 3, the statistical information for each data type in each resource computer stored in the calculation function table of the statistical information DB 21, and the computer in each resource computer. Based on the state information, at least one resource computer suitable for execution of the predetermined data processing is selected.

  The processing request unit 27 allocates a job including a data type and a data size to the selected resource computer via a network.

  The execution result receiving means 28 receives the processing time required to execute the job returned from the resource computer that executed the job through the network together with the execution result, and the processing time, the data size and the data type at the time are described above. The data is transferred to the DB management unit 22, and the execution results are collected and returned to the service user terminal 3 as analysis results.

  Note that the resource computers 4 to 6 are high-performance workstations to so-called PCs (personal computers), and are usually used for individual tasks or work other than grid calculation. ) Used for grid system. In addition, in the case of having the SIONet terminal function, by providing means for setting a filter of an idle state or a non-idle state according to the operation status using the SIONet terminal function, the determination of the computer state in the grid intermediary device described above can be performed. This makes it easier and more efficient to participate in grid systems.

The block diagram which shows the Example of the grid system concerning this invention with the operation | movement at the time of the first data processing request The block diagram which shows the Example of the grid system concerning this invention with the operation | movement at the time of the data processing request after the 2nd time. Explanatory drawing which shows an example of the calculation capability table stored in the statistical information database of a grid mediation apparatus Operation sequence diagram corresponding to the first embodiment of the present invention The block diagram of the grid system corresponding to 2nd Example of this invention Explanatory drawing which shows an example of the conditions of the filter in 2nd Example Explanatory drawing which shows an example of the definition of the event in 2nd Example The block block diagram which shows the Example of the grid mediation apparatus concerning this invention

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1,10: Network (always connected communication network), 2,20: Grid mediation apparatus, 3: Service user terminal, 4, 5, 6, 40, 50, 60: Resource computer, 21: Statistical information database, 22: Database management means, 23: computer state determination means, 24: sample job assignment / reception means, 25: processing request reception means, 26: computer selection means, 27: processing request means, 28: execution result receiving means, 41, 51, 61: SIONet filter.

Claims (12)

At least two resource computers that provide surplus resources and at least a grid mediation device connected to each resource computer via a network, and the grid mediation device configures predetermined data processing for all or some of the resource computers. Predetermined data processing that uses data distributed in advance to each resource computer to a grid system that forms a virtual computer that performs the predetermined data processing by allocating and executing a plurality of jobs and collecting the execution results Is a job assignment method when
Grid mediation device
Specifying the data type and data size for each resource computer and allocating and executing a job. At this time, processing for the data type in each resource computer is obtained from the processing time and data size required for execution in each resource computer. Storing capacity as statistical information for each data type in each resource computer;
When a predetermined data processing request specifying a data type is received from a service user terminal, at least one resource computer is selected based on the data type and statistical information for each data type in each resource computer. And a step of assigning a job. A job assignment method in a grid system. At least two resource computers that provide surplus resources and at least a grid mediation device connected to each resource computer via a network, and the grid mediation device configures predetermined data processing for all or some of the resource computers. Predetermined data processing that uses data distributed in advance to each resource computer to a grid system that forms a virtual computer that performs the predetermined data processing by allocating and executing a plurality of jobs and collecting the execution results Is a job assignment method when
Grid mediation device
Assigning sample jobs to each resource computer by specifying the data type and data size via the network;
Receiving a processing time required to execute the sample job returned from each resource computer that has executed the sample job together with an execution result;
Storing and managing the processing capacity for each data type in each resource computer determined from the processing time and data size as a statistical information for each data type in each resource computer, directly or via a network; ,
Receiving a predetermined data processing request from a service user terminal together with a data type via a network;
Selecting at least one resource computer suitable for execution of the predetermined data processing based on the data type and statistical information for each data type in each resource computer stored in the database;
Allocating a job including a data type and a data size to the selected resource computer via a network;
Receiving the processing time required for executing the job returned from the resource computer that has executed the job together with the execution result;
A job in a grid system characterized in that the processing capacity in a resource computer determined from the processing time and data size is added to the database as statistical information for each data type in the resource computer and stored and managed. Assignment method. The job allocation method in the grid system according to claim 2,
Grid mediation device
Determining whether the state of each resource computer is idle or non-idle;
Storing and managing the determination result in the database as computer state information indicating an idle state / non-idle state of each resource computer;
Select at least one resource computer suitable for execution of the predetermined data processing based on the data type and the statistical information for each data type in each resource computer stored in the database and the computer status information in each resource computer A job assignment method in a grid system. In the job allocation method in the grid system according to claim 3,
When the network has a SIONet function, and each resource computer and the grid mediation apparatus have a SIONet terminal function, the resource computer state determination step includes:
Grid mediation device
Issuing an event for inquiring an idle or non-idle resource computer using the SIONet terminal function;
Receiving a response to the event from each resource computer in which a filter indicating an idle state or a non-idle state is set, using a terminal function of SIONet, and recognizing the resource computer in an idle state or a non-idle state A job assignment method in a grid system as a feature. In the job allocation method in the grid system according to any one of claims 2 to 4,
As the statistical information for each data type in each resource computer accumulated in the database, the latest statistical information among a plurality of statistical information for each data type in each resource computer accumulated in the database is used. Job assignment method in the grid system. In the job allocation method in the grid system according to any one of claims 2 to 4,
An average value of a plurality of statistical information for each data type in each resource computer stored in the database is used as statistical information for each data type in each resource computer stored in the database. Assignment method. At least two resource computers that provide surplus resources and at least a grid mediation device connected to each resource computer via a network, and the grid mediation device configures predetermined data processing for all or some of the resource computers. A grid intermediary device in a grid system that forms a virtual computer that performs the predetermined data processing by allocating and executing a plurality of jobs and collecting the execution results,
Allocate a sample job by designating the data type and data size via the network to each resource computer, and processing required to execute the sample job returned from the resource computer that executed the sample job via the network A means of receiving time with execution results;
The processing capacity for the data type obtained from the received processing time and the data size and data type at that time is stored in a database that can be accessed directly or via a network as statistical information for each data type in each resource computer.・ Means to manage
Means for receiving a request for predetermined data processing from a service user terminal together with a data type via a network;
Means for selecting at least one resource computer suitable for execution of the predetermined data processing based on the data type and statistical information for each data type in each resource computer stored in the database;
Means for assigning a job including a data type and a data size to the selected resource computer via a network;
A grid intermediary device comprising: means for receiving, together with an execution result, a processing time required to execute the job returned from the resource computer that has executed the job via a network. In the grid mediation device according to claim 7,
Means for determining whether the state of each resource computer is idle or non-idle;
The processing capacity for the data type obtained from the received processing time and the data size and data type at that time is stored in a database that can be accessed directly or via a network as statistical information for each data type in each resource computer. Means for managing and storing and managing the determination result in the database as computer state information indicating an idle state / non-idle state of each resource computer;
Select at least one resource computer suitable for execution of the predetermined data processing based on the data type and the statistical information for each data type in each resource computer stored in the database and the computer status information in each resource computer A grid intermediary device. The grid intermediary device according to claim 8,
When the network has the SIONet function and the SIONet terminal function together with each resource computer,
The resource computer state determination means
Means for issuing an event for inquiring an idle or non-idle resource computer using the terminal function of SIONet;
A response to the event from each resource computer in which a filter indicating an idle state or a non-idle state is set is received using a terminal function of SIONet, and a means for recognizing a resource computer in an idle state or a non-idle state A grid mediating device. In the grid mediation device according to any one of claims 7 to 10,
As the statistical information for each data type in each resource computer accumulated in the database, the latest statistical information among a plurality of statistical information for each data type in each resource computer accumulated in the database is used. Grid mediation device. In the grid mediation device according to any one of claims 7 to 10,
An average value of a plurality of statistical information for each data type in each resource computer stored in the database is used as statistical information for each data type in each resource computer stored in the database. At least two resource computers that provide surplus resources and at least a grid mediation device connected to each resource computer via a network, and the grid mediation device configures predetermined data processing for all or some of the resource computers. A resource computer in a grid system that forms a virtual computer that performs the predetermined data processing by allocating and executing a plurality of jobs and collecting the execution results,
It has the terminal function of SIONet,
A resource computer comprising means for setting a filter in an idle state or a non-idle state according to an operating situation using a terminal function of SIONet.

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