JP6911343B2 - Information processing equipment, log management methods and programs - Google Patents

Description

The present invention relates to an information processing device, a log management method and a program.

Conventionally, in an information processing device that performs some processing on input information and outputs it, the history of the executed processing is managed as a log.

For example, in Patent Document 1, for each type of processing, a storage area for cyclically storing the log of the processing (when the storage area is exhausted, the log stored in the past is overwritten and a new log is created. A storage area to be stored) is prepared, and if a failure occurs in any type of processing, the log stored in the storage area prepared for the processing of the type in which the failure occurred is overwritten. A technique for saving to another storage area is disclosed.

However, in failure analysis, the cause of the failure cannot be identified by analyzing only the log of the type of processing in which the failure occurred, and the failure will occur unless the logs of the other types of processing are also analyzed. In many cases, the cause of the occurrence cannot be identified.

That is, there is a case where even if the log is managed for each processing type as in the above-mentioned conventional technology, the cause of the failure cannot be identified only by analyzing the log of the processing of the type in which the failure occurred. Since there are many, it is difficult to say that the log management method such as the above-mentioned conventional technique can manage logs with a system suitable for improving the efficiency of failure analysis.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide an information processing device, a log management method, and a program capable of managing logs in a system suitable for improving the efficiency of failure analysis.

In order to solve the above-mentioned problems and achieve the purpose, an acquisition unit that acquires processing target information that is processing target information, a processing unit that performs one or more types of processing on the processing target information, and the processing. and a management unit for managing associating the one or more processing each log in the target information, the management unit, each time adding the one or more processing each log in the processing object information, The size of the log area is increased, and the log is added to the expanded log area.

According to the present invention, there is an effect that logs can be managed by a system suitable for improving the efficiency of failure analysis.

FIG. 1 is a block diagram showing an example of the configuration of the information processing system of the present embodiment. FIG. 2 is a block diagram showing an example of the hardware configuration of the information processing apparatus of the present embodiment. FIG. 3 is a block diagram showing an example of the functional configuration of the information processing apparatus of the present embodiment. FIG. 4 is an explanatory diagram showing an example of the log management method of the present embodiment. FIG. 5 is an explanatory diagram showing an example of the log management method of the present embodiment. FIG. 6 is an explanatory diagram showing an example of the backup method of the present embodiment. FIG. 7 is an explanatory diagram showing an example of the backup method of the present embodiment. FIG. 8 is an explanatory diagram showing an example of the backup method of the present embodiment. FIG. 9 is an explanatory diagram showing an example of the backup method of the present embodiment. FIG. 10 is a diagram showing a specific example of processing for the form file of the present embodiment and output of a log. FIG. 11 is a diagram showing an example of log transition in the specific example shown in FIG. FIG. 12 is a sequence diagram showing an example of processing performed by the information processing system of the present embodiment. FIG. 13 is a diagram showing an example of the log management system of the present embodiment. FIG. 14 is a diagram showing an example of a log management system of the prior art.

Hereinafter, embodiments of the information processing apparatus, log management method, and program according to the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a block diagram showing an example of the configuration of the information processing system 1 of the present embodiment. As shown in FIG. 1, the information processing system 1 includes an information processing device 10 and a device 20. The information processing device 10 and the device 20 are connected, but the connection form is not limited. Examples of the connection form include, but are not limited to, network connection via the Internet, LAN (Local Area Network), etc., and connection via USB (Universal Serial Bus).

The information processing device 10 may be any computer as long as it is a device that processes the input processing target information, which is the input processing target information, and outputs the processing target information. In the present embodiment, the case where the information processing apparatus 10 is a print server will be described as an example, but the present embodiment is not limited thereto.

FIG. 2 is a block diagram showing an example of the hardware configuration of the information processing apparatus 10 of the present embodiment. The information processing device 10 includes a control device 11 such as a CPU (Central Processing Unit) and a GPU (Graphics Processing Unit), a main storage device 12 such as a ROM (Read Only Memory) and a RAM (Random Access Memory), and an HDD (Hard). It is provided with an auxiliary storage device 13 such as a Disk Drive) or an SSD (Solid State Drive), a display device 14 such as a display, an input device 15 such as a keyboard or a mouse, and a communication device 16 such as a communication interface. It has a hardware configuration that uses a normal computer.

The device 20 may be any device as long as it outputs the information input from the information processing device 10 in a mode peculiar to the device 20. Examples of the device include, but are limited to, image forming devices such as printing devices, copiers, multifunction devices, scanner devices, and facsimile machines, and various electronic devices such as projectors, digital signage, and smart devices. It is not something that is done. The multifunction device has at least two functions of a copying function, a printing function, a scanner function, and a facsimile function. In the present embodiment, the case where the device 20 is a printing device will be described as an example, but the present embodiment is not limited to this.

FIG. 3 is a block diagram showing an example of the functional configuration of the information processing device 10 of the present embodiment. As shown in FIG. 3, the information processing apparatus 10 includes an acquisition unit 101, a processing unit 103, a storage unit 105, a management unit 107, an output unit 109, and a backup unit 111.

The acquisition unit 101 and the output unit 109 can be realized by, for example, a control device 11, a main storage device 12, a communication device 16, and the like. The processing unit 103, the management unit 107, and the backup unit 111 can be realized by, for example, the control device 11, the main storage device 12, and the like. The storage unit 105 can be realized by, for example, an auxiliary storage device 13.

The acquisition unit 101 acquires the processing target information which is the processing target information. In the present embodiment, the case where the processing target information is a form file will be described as an example, but the present embodiment is not limited to this. The processing target information may be, for example, information composed of at least one of information that can be handled as data such as character data, graphic data, image data, photo data, moving image data, audio data, odor data, and taste data. ..

The acquisition unit 101 may acquire the processing target information from an external host or the like, may acquire the processing target information from the auxiliary storage device 13 (shared folder) or the like, or may acquire various input devices (for example, for example). Processing target information may be acquired from a mouse, a keyboard, a touch panel, a pressure sensitive sensor, an image sensor, an odor sensor, a taste sensor, or the like). The processing target information may be stored in the auxiliary storage device 13 (shared folder) by a user operation using the input device 15, or may be performed from an external host or the like via the communication device 16. , The output information may be the processing target information.

The processing unit 103 performs one or more types of processing on the processing target information acquired by the acquisition unit 101. In the present embodiment, the processing unit 103 performs data check processing for checking the data format, contents, file size, etc. of the processing target information (form file) acquired by the acquisition unit 101, as well as calculation / sorting / sorting. The case where processing is performed will be described as an example, but the present invention is not limited to this. For example, the processing unit 103 may perform processing such as comparison, search, generation, estimation, and analogy on the processing target information (form file) acquired by the acquisition unit 101.

Further, each time the processing unit 103 performs processing on the processing target information acquired by the acquisition unit 101, the processing unit 103 generates a log which is a history of the processing and outputs the log to the management unit 107.

The output unit 109 performs one or more types of output processing for outputting the processing target information that has been subjected to one or more types of processing by the processing unit 103. In the present embodiment, the output unit 109 performs format conversion (generation of print data) for processing target information (form file) subjected to one or more types of processing by the processing unit 103, and a state to the device 20 as an output destination. The case of confirming and outputting the data after the format conversion to the device 20 which is the output destination will be described as an example, but the present invention is not limited to this. The format (format for printing) includes, for example, a PDL (Page Description Language) format, but is not limited to this. The state of the device 20 includes, but is not limited to, online, offline, jam, no paper, printing, printing completion, and error.

Further, the output performed by the output unit 109 may be an output to the auxiliary storage device 13 (folder), a display output to the display device 14, an e-mail output to the outside, or the like.

In the case of output to the auxiliary storage device 13 (folder), examples of the format (format for storage) include CSV (Comma-Separated Values) format and mainframe format, but the format is not limited to these. do not have. Further, in the case of output to the auxiliary storage device 13 (folder), the status confirmation is the status confirmation of the auxiliary storage device 13 (folder). Examples of the state of the auxiliary storage device 13 (folder) include, but are not limited to, start-up, communication interruption, storage, storage completion, and error.

In the case of display output to the display device 14, examples of the format (display format) include a device-specific display format, an HTML (HyperText Markup Language) format, and a PDF (Portable Document Format) format. It is not limited to this. Further, in the case of display output to the display device 14, the status confirmation is the status confirmation of the display device 14. Examples of the state of the display device 14 include, but are not limited to, activation, communication interruption, display, error, and the like.

In the case of mail output, the status confirmation is the status confirmation of the mail application. Examples of the state of the mail application include, but are not limited to, activation, communication interruption, transmission, transmission completion, and error.

Further, each time the output unit 109 performs output processing for outputting the processing target information to which one or more types of processing have been performed by the processing unit 103, the output unit 109 generates a log which is the history of the output processing and causes the management unit 107 to generate a log. Output.

The management unit 107 manages the processing target information in association with the logs of one or more types of processing by the processing unit 103. Further, the management unit 107 further associates and manages the logs of one or more types of output processing by the output unit 109 with the processing target information. Specifically, the management unit 107 associates the log of one or more types of processing by the processing unit 103 and the log of each of one or more types of output processing by the output unit 109 with the processing target information, and stores the log on the storage unit 105. Manage with.

In the present embodiment, the management unit 107 adds a log of each of one or more types of processing by the processing unit 103 and a log of each of one or more types of output processing by the output unit 109 to the processing target information, and stores the storage unit 105. By managing above, the processing target information and each log are associated and managed.

For example, as shown in FIG. 4, a log area to which a log is added is added to the processing target information (form file) in addition to the data area which is the area of the actual data of the form file. Specifically, the management unit 107 adds a log area (increases the size of the log area) each time the processing unit 103 or the output unit 109 performs processing related to the processing target information (form file). Add (store) the processing log to the log area. In addition to the data area and the log area, an area for storing the management number and status of the form file may be further prepared in the processing target information (form file).

The processing target information (form file) to which the log (log area) is added is the processing target information acquired by the acquisition unit 101 even if it is the processing target information (form file) itself acquired by the acquisition unit 101. It may be a duplicate of (form file).

In addition, the log addition order to the log area may be in chronological order (log output order), or a log area is prepared for each processing type in the processing target information (form file) and processed. It may be in chronological order (log output order) for each type of.

Further, as a method of adding a log to the log area, the log may be added as it is, or the log capacity may be reduced and added. That is, the management unit 107 may reduce the capacity of the log associated with the processing target information and manage it. As a method of reducing the log capacity, a method of compressing and adding logs, a method of consolidating logs of repeated processes into one log, and other types performed before the process when the process is successful. Examples include, but are not limited to, a method of deleting the processing log and adding the processing log.

Further, among one or more logs added to the log area, a log satisfying a predetermined condition may be deleted. That is, the management unit 107 may delete one or more logs that satisfy a predetermined condition from the one or more logs that are managed in association with the processing target information. For example, a log that has been added for a predetermined number of days may be deleted, a log of repeated processing may be deleted leaving one, and a log that has been successfully processed may be deleted. The log of the processing of other types performed before the processing may be deleted, or the log of the processing other than the processing of the preset type may be deleted.

When reducing the log capacity or deleting a log that satisfies a predetermined condition, the log to be deleted may be moved to another file and then deleted.

Further, the management unit 107 may separately manage the processing target information, the log of each of one or more types of processing by the processing unit 103, and the log of each of one or more types of output processing by the output unit 109. Specifically, the management unit 107 stores the processing target information, the log of each of one or more types of processing by the processing unit 103, and the log of each of one or more types of output processing by the output unit 109 on the storage unit 105. Even if the processing target information and each log are associated and managed by associating the processing target information with each log by storing them separately in the area and using identification information (for example, file name) that identifies the processing target information. good.

For example, as shown in FIG. 5, in the storage area on the storage unit 105, the processing target information (form file), one or more types of processing by the processing unit 103, each log, and one or more types of output processing by the output unit 109. The log file, which is composed of each log and includes the file name of the processing target information (form file), may be stored separately. In the example shown in FIG. 5, the case where the log file is one file has been described as an example, but the present invention is not limited to this, and the log file may be two or more files. For example, a log file may be prepared for each type of processing.

Even when the processing target information and each log are managed separately, the above-mentioned log addition order, log addition method, and log deletion method can be applied.

Further, the management unit 107 may manage logs that are not related to the processing target information (for example, a log of survival confirmation of the device 20 that is performed regardless of the processing target information), for example. When the storage area becomes empty as in the prior art, the log stored in the past may be overwritten and a new log may be stored in a cyclic storage method.

The backup unit 111 backs up the processing target information. Further, the backup unit 111 may further back up one or more logs that are managed in association with the processing target information. In addition, the backup unit 111 may also back up the restore information, the management number and status of the form file, and the like. The backup destination of the processing target information and one or more logs may be the storage unit 105 or an external device (for example, the cloud). Further, the backup trigger may be an instruction from the input device 15 by the user, may be a preset date and time, or may be at any timing such as when the processing for the processing target information is completed. It doesn't matter.

For example, as shown in FIG. 6, the backup unit 111 compresses the processing target information (form file 201) to generate the processing target information for backup (form file 202) and backs it up. The backup unit 111 may perform encryption in addition to compression. In the present embodiment, as shown in FIG. 4, a log is added and managed in the processing target information (form file). Therefore, as shown in FIG. 7, only the actual data of the processing target information (form file) is managed. But the logs are also compressed and backed up. The processing target information (form file) and the log of the backup source may be deleted immediately, may be deleted after a predetermined number of days have passed, or may be left as they are.

However, the backup unit 111 may back up only the processing target information (form file) and may not back up the log associated with the processing target information (form file). Further, as shown in FIG. 8, the backup unit 111 may separate the processing target information (form file) and the log into separate files for backup.

Further, when backing up the log, the backup unit 111 may delete a part of the log and back it up by the above-described log deletion method or the like instead of backing up the log as it is.

When the processing target information and each log are managed separately as shown in FIG. 5, the processing target information (form file) and the log are backed up separately as shown in FIG. However, the processing target information (form file) and the log may be integrated and backed up.

FIG. 10 is a diagram showing a specific example of processing and log output for the form file of the present embodiment, and FIG. 11 is a diagram showing an example of log transition in the specific example shown in FIG. In the example shown in FIG. 11, for convenience of explanation, the relationship between the processed form file and the log is shown, but the log is added to the original form file (form file acquired by the acquisition unit 101). It may be added to the form file after processing.

First, the processing unit 103 performs data check processing on the form file acquired by the acquisition unit 101 and stores it in the storage unit 105 (see (1) in FIG. 10). At this stage, the storage unit 105 stores the form file after the data check process, but no log is added (see (1) in FIG. 11).

Subsequently, the processing unit 103 outputs the log a of the data check processing for the form file, and the management unit 107 adds it to the form file (see (2) in FIG. 10). At this stage, log a is added to the form file (see (2) in FIG. 11).

Subsequently, the processing unit 103 reads the form file after the data check processing from the storage unit 105, performs calculation / sorting / sorting processing, and stores the form file in the storage unit 105 (see (3) in FIG. 10). At this stage, the log remains log a (see (3) in FIG. 11).

Subsequently, the processing unit 103 outputs a log b of calculation / sorting / sorting processing for the form file, and the management unit 107 adds it to the form file (see (4) in FIG. 10). At this stage, log b is further added to the form file (see (4) in FIG. 11). When adopting a method of deleting the log of another type of processing performed before the processing and adding the log of the processing when the processing is successful, the management unit 107 transfers the log a from the form file. Is deleted and log b is added.

Subsequently, the output unit 109 reads the form file after the calculation / sorting / sorting processing from the storage unit 105, performs the format conversion processing, and stores it in the storage unit 105 (see (5) in FIG. 10). At this stage, the logs remain log a and log b (see (5) in FIG. 11).

Subsequently, the output unit 109 outputs the log c of the format conversion process, and the management unit 107 adds it to the form file (see (6) in FIG. 10). At this stage, log c is further added to the form file (see (6) in FIG. 11).

Subsequently, the output unit 109 reads the form file after the format conversion process from the storage unit 105, confirms the status and operation of the output destination device 20, and outputs the file to the device 20 ((7) in FIG. 10). )reference). At this stage, the logs remain log a, log b, and log c (see (7) in FIG. 11).

Subsequently, the output unit 109 outputs the output processing log d, and the management unit 107 adds it to the form file (see (8) in FIG. 10). At this stage, log d is further added to the form file (see (8) in FIG. 11).

Subsequently, the backup unit 111 reads the form file to which the log is added from the storage unit 105, performs backup, and deletes the backup source form file from the storage unit 105 ((9), (10) in FIG. 10). )reference). At this stage, the form file and the log a, log b, log c, and log d are compressed and backed up (see (9) in FIG. 11).

FIG. 12 is a sequence diagram showing an example of processing performed by the information processing system 1 of the present embodiment.

First, the acquisition unit 101 acquires the form file to be processed (step S101).

Subsequently, the processing unit 103 performs a data check process on the form file acquired by the acquisition unit 101 (step S103).

Subsequently, the processing unit 103 outputs a log of data check processing for the form file, and the management unit 107 adds it to the form file (step S105).

Subsequently, the processing unit 103 performs calculation / sorting / sorting processing on the form file after the data check processing (step S107).

Subsequently, the processing unit 103 outputs a log of calculation / sorting / sorting processing for the form file, and the management unit 107 adds it to the form file (step S109).

Subsequently, the output unit 109 performs a format conversion process on the form file after the calculation / sorting / sorting process (step S111).

Subsequently, the output unit 109 outputs the log of the format conversion process, and the management unit 107 adds it to the form file (step S113).

Subsequently, the output unit 109 inquires about the status of the device 20 which is the output destination (step S115).

Subsequently, the output unit 109 outputs a status inquiry log, and the management unit 107 adds it to the form file (step S117).

Subsequently, the output unit 109 acquires the state inquiry result (state of the device 20) from the device 20 (step S119).

Subsequently, the output unit 109 outputs a log of the status inquiry result, and the management unit 107 adds it to the form file (step S121).

The processes of steps S115 to S121 are repeated until the state of the device 20 becomes printable.

Subsequently, the output unit 109 outputs the form file (print data) after the format conversion process to the device 20 which is the output destination (step S123). As a result, the device 20 prints the form file after the format conversion process (step S131).

Subsequently, the output unit 109 outputs the log of the form file output, and the management unit 107 adds it to the form file (step S125).

Subsequently, the output unit 109 inquires about the status of the device 20 which is the output destination (step S127).

Subsequently, the output unit 109 outputs a status inquiry log, and the management unit 107 adds it to the form file (step S129).

Subsequently, the output unit 109 acquires the state inquiry result (state of the device 20) from the device 20 (step S133).

Subsequently, the output unit 109 outputs a log of the status inquiry result, and the management unit 107 adds it to the form file (step S135).

The processes of steps S127, S129, S133, and S135 are repeated until the state of the device 20 ends printing. Further, in step S123, when the form file is divided and output, the processes of steps S123 to S135 are repeated for each divided form file.

Subsequently, the output unit 109 performs completion processing such as deletion of print data (step S137).

Subsequently, the output unit 109 outputs a log of the completion process, and the management unit 107 adds it to the form file (step S139).

Subsequently, the backup unit 111 backs up the form file to which the log is added at an arbitrary timing (step S141).

FIG. 13 is a diagram showing an example of a log management system of the present embodiment, and FIG. 14 is a diagram showing an example of a log management system of the prior art. In the present embodiment, as shown in FIG. 13, a log of processing related to the form file is associated with each form file. On the other hand, in the prior art, as shown in FIG. 14, a processing log of the type is associated with each processing type.

The data check process associates the logs of reception OK, confirmation OK, conversion OK, and storage OK, and the calculation / sorting / sorting process associates the logs of recognition OK, calculation OK, and storage OK, and formats them. The conversion process associates the logs of Format recognition OK, conversion OK, and storage OK, and the output process associates the logs of device status OK, receipt / rejection OK, transmission OK, and output completion OK.

As described above, according to the present embodiment, since the log is managed for each processing target information, the log can be managed by a system suitable for improving the efficiency of failure analysis. For example, it is assumed that a failure occurs in a certain type of processing for the processing target information, but the cause of the failure cannot be identified even by analyzing the log of the processing of the type. Even in such a case, in the present embodiment, since the log is managed for each processing target information, the log of the processing of the type other than the above type of processing for the processing target information can be easily specified and analyzed. Failure analysis can be streamlined. On the other hand, in the prior art, since the log of the process of the type is managed for each type of processing, it becomes complicated to specify the log of the process of the type other than the above type for the processing target information, and the efficiency of failure analysis is improved. Is hindered.

Further, according to the present embodiment, the log related to the processing target information is a cyclic storage method that overwrites the log stored in the past and stores a new log when the storage area becomes empty, as in the prior art. Since it is not managed by, it is possible to prevent unintended log overwriting such as overwriting of the log required for failure analysis, and it is also necessary to save the log to another storage area where overwriting is not performed. Since there is no such resource, resources such as processing performance and recording area can be suppressed.

Further, according to the present embodiment, not only the processing log for the processing target information but also the output processing log for the processing target information after the processing can be managed, so that the device to which the processing target information after the processing is output causes the cause. Even if it is a failure, the cause of the failure can be identified. For example, it is assumed that a failure occurs in an operation of a device at the output destination for the processing target information, and the cause of the failure cannot be identified even by analyzing the processing log for the processing target information. Even in such a case, in the present embodiment, not only the processing log for the processing target information but also the output processing log for the processing target information after the processing is managed for each processing target information. The operation and status logs of the output destination device other than the processing can be easily specified and analyzed, and the operation analysis can be made more efficient.

Further, according to the present embodiment, when adding a log, the log capacity is reduced or unnecessary logs are deleted to manage the log, so that an increase in log size can be suppressed.

Further, according to the present embodiment, when backing up the processing target information, the log can also be backed up. Further, according to the present embodiment, it is possible to reduce the log capacity and delete unnecessary logs when backing up, so that an increase in the log size of the backed up log can be suppressed.

In this embodiment, the case where the form file is processed and printed out has been described as an example, but as described above, what if the input processing target information is processed and output? It can be applied to anything, and further applications are possible.

For example, when the device 20 is digital signage, the information processing device 10 not only logs the processing applied to the input processing target information and the log of the output processing related to the processed processing target information (display data) after the processing. , The log of the user's actions (for example, proximity, operation, and gesture) with respect to the display data displayed by the device 20 may also be managed.

Further, for example, when the device 20 is a smart device, the information processing device 10 not only logs the processing applied to the input processing target information and the log of the output processing related to the processed processing target information after the processing, but also the device 20. You may also manage the log of the user's operation (for example, operation) with respect to the processing target information after the processing output by.

(program)
The program executed by the information processing device 10 and the device 20 of the above embodiment (hereinafter, referred to as "each device of the above embodiment") is a file in an installable format or an executable format, and is a CD-ROM or a CD-. It is stored and provided in a computer-readable storage medium such as an R, a memory card, a DVD (Digital Versatile Disk), or a flexible disk (FD).

Further, the program executed by each device of the above-described embodiment may be provided by storing it on a computer connected to a network such as the Internet and downloading it via the network. Further, the program executed by each device of the above embodiment may be provided or distributed via a network such as the Internet. Further, the program executed by each device of the above-described embodiment may be provided by incorporating it into a ROM or the like in advance.

The program executed by each device of the above-described embodiment has a modular configuration for realizing each of the above-described parts on a computer. As actual hardware, for example, the CPU reads a program from the ROM onto the RAM and executes the program, so that each of the above functional units is realized on the computer.

The above embodiment is presented as an example, and is not intended to limit the scope of the invention. The new embodiment can be implemented in various other forms, and various omissions, replacements, and changes can be made without departing from the gist of the invention. These embodiments are included in the scope and gist of the invention, and are also included in the scope of the invention described in the claims and the equivalent scope thereof.

1 Information processing system 10 Information processing device 20 Equipment 101 Acquisition unit 103 Processing unit 105 Storage unit 107 Management unit 109 Output unit 111 Backup unit

Japanese Unexamined Patent Publication No. 2014-67369

Claims (8)

An acquisition unit that acquires processing target information, which is processing target information,
A processing unit that performs one or more types of processing on the processing target information, and
It is provided with a management unit that manages the logs of each of the one or more types of processing in association with each other in the processing target information .
The management department
An information processing device that increases the size of a log area and adds the log to the expanded log area each time a log of each of the one or more types of processing is added to the processing target information. Further provided with an output unit that performs one or more types of output processing for outputting the processing target information that has been subjected to the one or more types of processing.
The information processing device according to claim 1, wherein the management unit further associates and manages the logs of each of the one or more types of output processing with the processing target information. The information processing device according to claim 1 or 2 , wherein the management unit reduces and manages a log capacity associated with the processing target information. The information processing device according to any one of claims 1 to 3 , wherein the management unit deletes a log satisfying a predetermined condition from one or more logs managed in association with the processing target information. The information processing apparatus according to any one of claims 1 to 4 , further comprising a backup unit for backing up the processing target information. The information processing device according to claim 5 , wherein the backup unit further backs up one or more logs that are managed in association with the processing target information. The acquisition step to acquire the processing target information, which is the processing target information,
A processing step of performing one or more types of processing on the processing target information, and
A management step that associates and manages logs of each of the one or more types of processing in the processing target information, and
Each time a log for each of the one or more types of processing is added to the processing target information, the size of the log area is increased, and an additional step of adding the log to the expanded log area is added.
Log management methods including. The acquisition step to acquire the processing target information, which is the processing target information,
A processing step of performing one or more types of processing on the processing target information, and
A management step that associates and manages logs of each of the one or more types of processing in the processing target information, and
Each time a log for each of the one or more types of processing is added to the processing target information, the size of the log area is increased, and an additional step of adding the log to the expanded log area is added.
A program that lets your computer run.

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