JPH1196048A - Statistic file-use information collecting device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To collect the statistic use information of a file at high speed by calculating the statistic use information of the file from the use result of the file stored in a work file. SOLUTION: A collecting means 5 is called synchronously with file access processing, collects even the use information of a file 2-i varied by the file access processing, edits it into format common with another access method 3-i and stores it in a work filing means 6. While receiving processing for storing the use information of the file 2-i into this work filing means 6, a calculating means 7 calculates the statistic use information of the file 2-i by performing specified statistic processing to the use information of the file 2-i stored in that work filing means 6. Thus, when calculating the statistic use information of the file 2-i, it is not necessary to perform processing for once accessing the file 2-i.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a file use statistical information collecting apparatus for collecting file use statistical information, and more particularly, to a file use statistical information collecting apparatus for realizing an efficient and proper collecting process.

[0002] When building a file, it is necessary to accurately grasp the usage status of the file. from now on,
A file usage statistics information collection device that collects file usage statistics information will be used. This file usage statistics information collection device needs to be able to efficiently collect file usage statistics information, Needs to be able to collect the desired file usage statistics.

[0003]

2. Description of the Related Art Conventionally, by accessing a file from which file usage statistical information is collected, a block in which a record is written is specified, and a record length written in each block is specified. By providing a collection program that calculates file usage statistical information in accordance with them, a configuration is adopted in which file usage statistical information is collected.

[0004] That is, when there is a request to collect usage statistics information of a file, the collection program prepared accesses the file to be collected once to identify the block in which the record is written and to specify each block. The record length written in the file is specified, and according to the record length, the usage rate of the blocks of the file and the usage rate in each of those blocks are collected.

[0005] This collection program is prepared according to the type of file. That is, when the usage statistics of the relational database file (RDB file) is collected, a collection program for accessing the RDB file is prepared, and when the usage statistics of the DAM file according to the direct access method are collected, the DAM file is collected. A collection program will be provided to make the file accessible.

[0006]

However, according to such a conventional technique, when it is necessary to collect usage statistics of a file, the collection program accesses the file once, and according to the result,
Since the configuration of collecting the usage statistics of the file is adopted, there is a problem that it takes time to collect the usage statistics of the file.

Further, in the prior art, there is a problem that even if a user wants to collect information other than the usage statistical information of the file collected by the collecting program, it cannot do so.

Further, in the prior art, the collection program is prepared according to the type of the file, and the output format is not standardized. Therefore, the user can easily use the statistical information of the file collected by the collection program. There was also a problem that it could not be grasped.

SUMMARY OF THE INVENTION The present invention has been made in view of such circumstances, and has as its object to provide a new file usage statistics information collecting apparatus that realizes efficient and appropriate file usage statistics collection processing.

[0010]

FIG. 1 shows the principle configuration of the present invention. In the figure, reference numeral 1 denotes a file usage statistics information collection device equipped with the present invention, which collects file usage statistics information, and 2-i (i = 1 to n) denotes an RDB file or D
A file such as an AM file, for which file usage statistical information is to be collected. 3-i (i = 1 to n) is a file access method provided in association with the file 2-i. And a user program 4 for executing an access process to the file 2-i.
It collects file usage statistics specific to the user.

[0011] File usage statistics information collection device 1 of the present invention
Comprises a collection unit 5, a work file unit 6, and a calculation unit 7. The collection means 5 is developed in the file access method 3-i, is called in synchronization with the processing for the file 2-i, collects the usage information of the file 2-i every time the processing is performed, and transfers it to another file. Of the file access method 3-i.

The work file means 6 is provided in a form which can be referred to from the user program 4.
The usage information of the file 2-i to be edited is stored. The calculating means 7 calculates the file 2 stored in the work file means 6
The usage statistical information of the file 2-i is calculated by performing the specified statistical processing on the usage information of the file -i.

In the file usage statistical information collecting apparatus 1 of the present invention configured as described above, the collecting means 5 is called in synchronization with each record writing process at the time of file creation or reproduction, and the record writing is performed. The usage information of the file 2-i used by the processing is collected, edited into a format common to that of the other file access method 3-i, and stored in the work file means 6.

The collection means 5 is called in synchronization with the file access processing, collects also the usage information of the file 2-i that fluctuates due to the file access processing, and collects the information of the other file access method 3-i. The file is edited into a format that is common to the file and stored in the work file means 6.

The file 2 to the work file means 6
In response to the storage processing of the usage information of the file 2-i, the calculating means 7 performs a prescribed statistical process on the usage information of the file 2-i stored in the work file means 6, thereby obtaining the usage statistics of the file 2-i. Calculate information.

As described above, in the file use statistical information collecting apparatus 1 of the present invention, the processing is performed each time a record writing process or a file access process is performed when the file 2-i is created or reproduced. File 2 by
The configuration is such that the usage information of the file 2-i is collected from the usage information of the file 2-i stored in the work file means 6 and the usage information of the file 2-i is collected. A configuration for calculating statistical information is employed.

Thus, when calculating the usage statistics of the file 2-i, it is not necessary to perform the process of accessing the file 2-i once, and the usage statistics of the file 2-i can be collected at high speed. Become.

Then, in the file use statistical information collecting apparatus 1 of the present invention, the use information of the file 2-i according to the prescribed format is stored in the work file means 6 provided in a form which can be referred to from the user program 4. Take the configuration.

From now on, when the user needs information other than the usage statistical information of the file 2-i calculated by the calculation means 7, the user uses the user program 4 to send the usage information of the file 2-i from the work file means 6. Read the information,
By subjecting it to the desired arithmetic processing, it can be collected.

Moreover, in the file use statistical information collecting apparatus 1 of the present invention, the format of the use information of the file 2-i stored in the work file means 6 is changed to the file 2
The calculation means 7 calculates the unified usage statistics of the file 2-i irrespective of the type of the file 2-i, since the common means is used regardless of the type of the file 2-i. Can easily grasp the usage statistical information of the file 2-i.

[0021]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail according to embodiments. FIG. 2 shows an embodiment of the file creation apparatus 10 having the present invention.

The file creation apparatus 10 of the present invention uses the file creation data input from the data input method 11 to create a new file (reproduction can be regarded as the same as creation). And, for example, D which is an access method of the DAM file 12a
The DAM file 12a is created using the AM access method 13a, and the RDB file 12b is created using the RDB access method 13b that is an access method of the RDB file 12b.

In the database creation apparatus 10 of the present invention,
In order to realize the present invention, the DAM access method 13
In this embodiment, a file access method such as a or an RDB access method 13b is provided with a file use information collection subroutine for collecting use information of a newly created file.

That is, the DAM access method 13a
Adopts a configuration including a DAM file use information collection subroutine 14a for collecting the use information of the newly created DAM file 12a in order to realize the present invention, and the RDB access method 13b RDB file 12b newly created to realize
And a subroutine 14b for collecting RDB file usage information that performs a process of collecting usage information. These subroutines can be added without changing existing access methods.

Further, the database generating apparatus 10 of the present invention
Now, a work file that stores the file usage information collected by the file usage information collection subroutine,
A statistical processing program 16 for calculating usage statistical information of a newly created file from the usage information of the file stored in the work file and outputting it to a printer 17 (which may be another output device such as a display device). Is adopted.

That is, there is provided a work file 15a for storing the use information of the DAM file 12a collected by the DAM file use information collection subroutine 14a in association with the DAM file use information collection subroutine 14a, or the RDB file use information collection subroutine. And a work file 15b that stores the usage information of the collected RDB file 12b of the RDB file usage information collection subroutine 14b in association with the subroutine 14b.

The usage statistics of the newly created DAM file 12a are calculated from the usage information of the DAM file 12a stored in the work file 15a and output to the printer 17, or the RDB stored in the work file 15b. Statistical processing program 1 for performing processing of calculating usage statistical information of a newly created RDB file 12b from the usage information of the file 12b and outputting it to the printer 17
6 is adopted.

FIG. 3 shows an embodiment of a processing flow for executing a file access method such as the DAM access method 13a and the RDB access method 13b, and FIG.
AM file usage information collection subroutine 14a and RD
An embodiment of a processing flow executed by a file use information collecting subroutine such as the B file usage information collecting subroutine 14b, and FIG. 5 shows an embodiment of a processing flow executed by the statistical processing program 16.

Next, the present invention will be described in detail according to these processing flows. When a file creation request is issued, as shown in the processing flow of FIG. 3, first, at step 1, the file access method creates file information from the data input method 11 prior to file creation data. And converts it into a prescribed format common to the file access method, and stores it in a work area (not shown).

Then, in step 2, one file creation data input from the data input method 11 is received, and in the following step 3, it is determined whether or not the file creation data has been received. When it is determined whether or not all the file creation data has been input, and the end of the input of all the file creation data has been determined, the file creation processing ends.

On the other hand, when it is determined in step 3 that all the file creation data has not been input, that is, when it is determined in step 2 that the file creation data has been received, the process proceeds to step 4. Then, a record of a newly created file is created from the input file creation data. In the case of the DAM access method 13a, a record for the DAM file 12a is created, and in the case of the RDB access method 13b, a record for the RDB file 12b is created.

Subsequently, in step 5, the record length of the record created in step 4 is stored in a work area (not shown). Subsequently, in step 6, the block number of the block in which the record created in step 4 is to be stored is determined, and in step 7, the determined block number is stored in a work area (not shown). Then, in step 8,
The storage position in the block determined in step 6 of the record created in step 4 is determined.

Subsequently, in step 9, control information (for example, when the record has a tree structure, information indicating the structure information) of the record created in step 4 is stored in a work area (not shown). Subsequently, in step 10, the record created in step 4 is written in the file to be created. In the case of the DAM access method 13a, the data is written into the DAM file 12a, and the RDB access method 13a is written.
If it is b, it is written to the RDB file 12b.

Subsequently, at step 11, a file use information collecting subroutine is called, and at step 12
Waiting for the end of the process from this subroutine, and then receiving the end of the process, the process returns to step 2 to execute the file creation process. In the case of the DAM access method 13a, the DAM file use information collecting subroutine 14a is called, and in the case of the RDB access method 13b, the RDB file use information collecting subroutine 14b is called, and then the end of the processing is notified from this subroutine. When the processing completion is notified, the process returns to step 2 to execute the file creation processing.

The subroutine for collecting file usage information is:
When called from the file access method in accordance with the processing in step 11 of the processing flow of FIG. 3, as shown in the processing flow of FIG. 4, first, in step 1, it is determined whether or not this is the first call. , When determining that this is the first call, proceed to step 2,
The file information is read from the work area that was the storage destination in step 1 of the processing flow of FIG.

Subsequently, in step 3, the read file information is edited into a prescribed format common to the file access method and output to a work file. For example, as shown in FIG. 6, a flag F indicating file information is added to the beginning, followed by a file name (FILE001 in this case), followed by a volume name (VSN001 in this case), and The length of one block (in this case, 4096 bytes), followed by the number of blocks in the file (in this case, 10
00) and edit the file information to
If the file use information collecting subroutine 14a is
It is stored in the work file 15a, and if it is the RDB file use information collecting subroutine 14b, it is stored in the work file 15b.

At step 3, the file information is output to the work file, and when it is determined at step 1 that it is not the first call, the operation proceeds to step 4 where the work stored at step 5 of the processing flow of FIG. The record length is read from the area, and the block number is read from the work area which is the storage destination in step 7 of the processing flow of FIG.
The file access method obtains the record length / block number / control information stored in the work area by reading the control information length from the work area that is the storage destination in step 9 of the processing flow of FIG.

Subsequently, in step 5, the read block number / record length / control information length is edited into a prescribed format common to the file access method and output to the work file. For example, as shown in FIG. 6, a flag B indicating the block information is added at the beginning, followed by a block number, a record length, a control information length, and a control information length. DAM file usage information collection subroutine 14a
If so, store it in the work file 15a,
If it is the B file use information collecting subroutine 14b, it is stored in the work file 15b.

As described above, the file access methods such as the DAM access method 13a and the RDB access method 13b include the file use information collection subroutines such as the DAM file use information collection subroutine 14a and the RDB file use information collection subroutine 14b. Collects the usage information of the file used by the record writing process at the time of each record writing process executed when creating a file using it, and edits it into a format format common to the file access method Work file 15a and work file 1
5b and the like are stored in a work file.

When the file usage information according to the format common to the file access method is stored in the work file, the statistical processing program 16
Is started.

When the statistical processing program 16 is started, it executes the processing flow of FIG. 5 to calculate the use statistical information of the created file and output it to the printer 17.

That is, as shown in the processing flow of FIG.
Then, the number of classes of block numbers stored in the work file is counted, and in the following step 2, the ratio between the counted value and the number of blocks indicated by the file information stored in the work file is calculated. Calculate the usage rate of the created file.

For example, if the description is given with reference to the block information shown in FIG. 6 in which numerical values are specifically written, the block numbers are "1", "2", "4", "5". ,
Since the number is "6", the file usage rate "0.5%" is calculated by calculating the ratio to the number of blocks "1000" indicated by the file information.

Subsequently, in step 3, one unprocessed block number is selected in order from the head of the block information stored in the work file, and in subsequent step 4, it is determined whether or not this selection has been made. By doing so, it is determined whether or not processing of all block information stored in the work file has been completed.

If it is determined in step 4 that one unprocessed block number has been selected from the block information stored in the work file, the process proceeds to step 6 where the selected block number of the selected block number is read from the work file. The record length / control information length having the same block number as the selected block number is read from the work file in the following step 7.

For example, if the block number shown in FIG. 6 is specifically described with a part in which a numerical value is entered, when the block number “2” is selected, the record length stored in the fourth storage area “2000” / control information length “4”
0 ”and the record length“ 7 ”stored in the fifth storage area.
00 "/ control information length" 10 "and record length" 800 "/ control information length" 10 "stored in the sixth storage area are read.

Subsequently, in step 8, the ratio of the total value of the read values to the block length indicated by the file information stored in the work file is calculated, and the usage rate of the block indicated by the selected block number is calculated. After calculating
The process returns to step 3 to enter the processing of the next unprocessed block.

For example, when selecting the block number “2”, the above-mentioned record length “2000” / control information length “40”, record length “700” / control information length “1”
Since the total value of “0” and the record length “800” / control information length “10” is “3560”, the ratio of the block number “2” to the block length “4096” indicated by the file information is calculated. Calculate the block usage rate “87%” and execute step 3 to start processing of the next unprocessed block.
It returns to.

On the other hand, when it is determined in step 4 that an unprocessed block number cannot be selected from the block information stored in the work file, that is, the processing for all block information stored in the work file is terminated. When the determination is made, the process proceeds to step 5, where the usage rate of the file calculated in step 2 and the usage rate of each block calculated in step 8 are output to the printer 17, and the process ends.

Thus, the statistical processing program 16
Performs the process of calculating the usage statistical information of the created file and outputting it to the printer 17. In the processing flow of FIG. 3, the file access method has a configuration in which file usage information is collected and created in a work file when a file is created. However, during normal file access, file usage information is collected. If they are stored in the work file, the usage rate of the file and the usage rate of the block, which are changed after the creation, can be accurately obtained.

In order to realize this configuration, FIG. 7 shows that the deletion of a record occurs (the update of the record is also processed in the procedure of “deletion → storage” and the deletion of the record occurs). As described above, a flag indicating whether or not it is use information on a deleted record is added to each block information of the work file.

In response to this flag, the statistical processing program 16 subtracts the record length / control information length with the deletion indication from the total value of the record length / control information length without the deletion indication to thereby obtain the block length. The usage rate will be calculated.

In the example shown in FIG. 7, the total value of the record length / control information length of the block number “5” is the record length “3600” stored in the ninth storage area without the deletion display. "/ Total value of control information length" 65 "" 366
By subtracting the total value “810” of the record length “800” / control information length “10” stored in the eleventh storage area from “5” and obtaining “2855”, the block usage rate is calculated. Will be.

In the present invention, a work file such as a work file 15a for storing use information of the DAM file 12a and a work file 15b for storing use information of the RDB file 12b are provided in a prescribed format.
It is configured to store file usage information.

This work file is open to the user program. From now on, the user can use the statistical information of the file calculated by the statistical processing program 16 prepared by the system and the statistical information of the file desired by the user. When the user wants to calculate, it can be handled by preparing a user program (shown at 18 in FIG. 2) for calculating the usage statistical information.

For example, when a correspondence between the record length and the number of records having the record length is desired, this can be realized by preparing a user program 18 for executing the processing flow shown in FIG.

The present invention has been described with reference to the illustrated embodiments.
The present invention is not limited to this. For example, in the embodiment, it is assumed that there are a plurality of file access methods. However, the present invention can be applied to a case where there is only one file access method. Preferably, the format of the information is common to other file access methods.

Further, in the embodiment, the format of the use information of the file stored in the work file has been described as being common, but it goes without saying that the format may include an individual format.

[0059]

As described above, according to the present invention, at the time of individual record writing processing at the time of creating or reproducing a file or at the time of file access processing,
A configuration is used in which file usage information is collected in the processing and stored in the work file, and a file usage statistical information is calculated from the file usage information stored in the work file.

As a result, when calculating the file usage statistical information, it is not necessary to perform a process of accessing the file once, and the file usage statistical information can be collected at high speed.

In the present invention, a work file provided in a form that can be referred to from a user program includes:
A configuration for storing usage information of a file according to a prescribed format is adopted.

From now on, when the user needs information other than the file usage statistical information prepared by the system, the user reads out the file usage information from the work file using a user program and performs a desired arithmetic processing on the file usage information. That will allow you to collect it.

Further, the present invention adopts a configuration in which the format of the usage information of the file stored in the work file is made common regardless of the type of the file, and a unified format independent of the type of the file is adopted. Since the usage statistics of the file are calculated, the user can easily grasp the usage statistics of the file.

[Brief description of the drawings]

FIG. 1 is a principle configuration diagram of the present invention.

FIG. 2 is an embodiment of the present invention.

FIG. 3 is a processing flow executed by a file access method.

FIG. 4 is a processing flow executed by a file use information collection subroutine.

FIG. 5 is a processing flow executed by a statistical processing program.

FIG. 6 is an example of file usage information stored in a work file.

FIG. 7 is an example of file usage information stored in a work file.

FIG. 8 is a processing flow executed by a user program.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 File usage statistics information collection device 2 File 3 File access method 4 User program 5 Collection means 6 Work file means 7 Calculation means

Claims (3)

[Claims] 1. A file usage statistics information collecting apparatus for collecting usage statistics of a file, which is called in synchronization with a record writing process and collects usage information of a file used by the record writing process. Collecting means, a work file means for storing usage information of files collected by the collecting means, and file usage statistical information by performing prescribed statistical processing on file usage information stored in the work file means. And a calculating means for calculating the file usage statistical information. 2. The file usage statistics information collection device according to claim 1, wherein the collection unit edits the usage information of the collected file into a format common to that of another file access method. File usage statistics collection device. 3. The file use statistical information collecting device according to claim 1, wherein the collecting unit is called in synchronization with the file access processing and also collects file usage information that fluctuates due to the file access processing. A file usage statistics information collecting device.