JP2010282348A - Information collection device and information collection method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide technology allowing reduction of redundancy of collected operation information and collection processing while minutely detecting variation of the operation information of an information processor, in the information collection processing of an information processing system. <P>SOLUTION: This information collection device includes: a collection interval determination means obtaining dispersion information indicating dispersion condition of a value of the operation information from the operation information wherein an operation situation of the information processor collected from the information processor in a prescribed period is indicated by a numerical value, and determining a collection interval at which information is collected from the information processor according to the dispersion information; and an information collection means collecting the information from the information processor at the collection interval determined by the collection interval determination means. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to an information collection method in an information collection apparatus that collects information included in an information processing apparatus.

  In an information processing system having a plurality of information processing apparatuses, operation information of the information processing apparatus used in the information processing system is centralized for the purpose of stably providing a user with the functions of the information processing system. There is something to manage. The operation information is information indicating numerically the operation state of the information processing device such as the CPU usage rate, the memory usage amount, the disk usage amount or the communication resource usage amount of the information processing device.

  Generally, an information collection device that collects operation information of an information processing device collects operation information of the information processing device at regular intervals.

  However, if the change in the value of the operation information during a certain period is small, if the collection interval is short, similar values will be collected repeatedly, and the processing of the information collection device and the information processing device and the collected operation information will be redundant. Become. In addition, when the change in the value of the operation information in a certain period is large, if the collection interval is long, it is impossible to detect the change in the operation information in detail.

  For example, Patent Document 1 proposes a technique for optimizing an interval for detecting a processing load in a server used in a client server system in accordance with the load tendency of the processing load of the own device. In Patent Document 1, a load tendency Tr is obtained by (W2−W1) / (T2−T1) when the processing load at time T1 is W1 and the processing load at time T2 is W2. When the Tr is large, (T2-T1) is decreased, and when the Tr is small, (T2-T1) is increased, thereby optimizing the load detection interval.

JP-A-7-302242

  As described above, when collecting the operation information of the information processing apparatus, making the collection interval constant means that the collection process and the collected operation information become redundant, or fluctuations in the operation information cannot be detected in detail. This is not desirable.

  Further, as in the technique of Patent Document 1, it is difficult to obtain an optimal collection interval using only the difference between the information collected last time and the information collected immediately before. For example, the operating state of each information processing apparatus in the information processing system may show a variation that cannot be grasped as a simple increase or decrease. In such a case, if the detection interval is changed according to the load tendency like the server in Patent Document 1, there is a possibility that variation cannot be detected.

  An object of the present invention is to provide a technology capable of reducing the redundancy of collection processing and collected operation information while more reliably detecting fluctuations in operation information of the information processing device in information collection processing of the information processing system. It is to be.

  In order to achieve the above object, the information collection device of the present invention is based on the operation information that indicates the operation status of the information processing device collected from the information processing device in a predetermined period from the numerical value. From the information processing apparatus at the collection interval determined by the collection interval determination means, and a collection interval determination means for determining a collection interval for collecting information from the information processing apparatus according to the distribution information. It has an information collection means for collecting information.

  In order to achieve the above object, an information collection method according to the present invention is an information collection method in an information collection device that collects information from an information processing device, and the collection interval determination unit is configured to transmit a predetermined period of time Collecting information collected from the information processing apparatus according to the distribution information by obtaining distribution information indicating the degree of variation in the value of the operation information from the operation information numerically indicating the operation status of the information processing apparatus collected in An interval is determined, and the information collection unit collects information from the information processing apparatus at the collection interval determined by the collection interval determination unit.

  ADVANTAGE OF THE INVENTION According to this invention, in the information collection process of an information processing system, the redundancy of the collection process and the collected operation information can be reduced, detecting the fluctuation | variation of the operation information of an information processing apparatus more reliably.

It is a block diagram which shows the structure of the information processing system of 1st Embodiment. It is a block diagram which shows the structure of the information collection device of 1st Embodiment. It is a flowchart which shows a process when the information collection apparatus shown in FIG. 2 determines the collection interval of the operation information of a predetermined information processing apparatus. It is a figure which shows the example of the table of the parameter for every time slot | zone. It is a figure which shows the example of the table of the parameter for every day of the week. Processing when the information collection apparatus according to the second embodiment determines the collection interval based on the variation in the values of past operation information collected when the time zone or day of the week is the same as the current day It is a flowchart which shows. It is a figure which shows the example of the table of the daily parameter. It is a figure which shows the example of the table of the parameter for every month. It is a block diagram which shows the structure of the information collection device of 3rd Embodiment.

  Next, the present invention will be described in detail with reference to the drawings.

(First embodiment)
The information collection apparatus according to the present embodiment dynamically changes the collection interval according to the variation in the value of the operation information collected from the information processing apparatus during the immediately preceding predetermined period. The information collection device increases the collection interval when the operational information value variation is small, and shortens the collection interval when the operational information value variation is large. Adjust.

  FIG. 1 is a block diagram showing the configuration of the information processing system according to the first embodiment.

  As shown in FIG. 1, the information processing system according to an embodiment of the present invention includes an information collection device 1 and information processing devices 2, 3, and 4.

  The information processing apparatuses 2, 3, and 4 are apparatuses that realize predetermined functions in the information processing system. Each of the information processing apparatuses 2, 3, and 4 holds the operation information indicating the operation state numerically such as the CPU usage rate, the memory usage amount, the disk usage amount, or the communication resource usage amount of the own device. In response to a request from the information collection device 1, the operation information is provided to the information collection device 1.

  The information collection device 1 is a device that collects operation information from the information processing devices 2, 3, and 4 and manages it centrally.

  FIG. 2 is a block diagram illustrating a configuration of the information collection apparatus according to the first embodiment.

  As illustrated in FIG. 2, the information collection device according to the first embodiment includes a collection unit 10, a collection interval determination unit 11, and a storage device 12.

  The collection unit 10 collects operation information from the information processing apparatus at the collection interval determined by the collection interval determination unit 11 and stores the collected operation information in the storage device 12.

  The collection interval determination unit 11 determines a collection interval at which the collection unit 10 collects operation information from the information processing apparatus. The collection interval determination unit 11 determines a collection interval for each information processing device.

  The collection interval determination unit 11 obtains scatter information that numerically indicates the variation degree of the value of the operation information from the value of the operation information collected by the collection unit 10 from the information processing apparatus in the past predetermined period. Then, the collection interval determination unit 11 determines a collection interval for collecting operation information from the information processing apparatus based on the obtained distribution information. In addition, when there are a plurality of information processing apparatuses that collect operation information, the collection interval determination unit 11 obtains scatter information for each information processing apparatus and determines the collection interval for each information processing apparatus.

  There is a standard deviation as a numerical value indicating how the values vary. However, in the present embodiment, the CPU usage rate, the memory usage, the disk usage, the communication resource usage, or the like of the information processing apparatus is used as the operation information. Since the range of values that can be taken by the operation information differs depending on the type of operation information, the range of values that can be taken by the standard deviation is also different. Therefore, in this embodiment, in order to set the scatter information to a normalized value, as the scatter information, for example, the operation information collected from the information processing apparatus during the predetermined period of the standard deviation of the operation information collected during the period. The value divided by the average value of is used.

  In the information collection device 1, an initial value, a lower limit threshold, and an upper limit threshold of the collection interval are set in advance. If the value of the scatter information is smaller than the lower limit threshold, the collection interval determination unit 11 determines that the change in the value of the operation information is small and it is not necessary to collect the operation information frequently, and increases the collection interval. On the other hand, if the value of the scattered information is larger than the upper limit threshold, the collection interval determination unit 11 determines that the change in the value of the operation information is large and that it is necessary to collect the fluctuation of the operation information in detail, and shortens the collection interval.

  The information collection device 1 uses a parameter to calculate the collection interval. Assuming that the collection interval is T and the parameter is P, the collection interval T is expressed by Equation 1.

媒介変数Ｐは、初期値が０であり、０以上の値を取る整数である。媒介変数Ｐの値は、散布情報の値が下限閾値より小さければ、１増加され、散布情報の値が上限閾値より大きければ、１減少される。つまり、散布情報の値が下限閾値より小さければ、収集間隔は２倍になり、散布情報の値が上限閾値より大きければ、収集間隔は半分になる。但し、収集間隔は、その初期値より小さくならないように制御される。

The parameter P is an integer having an initial value of 0 and a value of 0 or more. The value of the parameter P is increased by 1 if the value of the scatter information is smaller than the lower limit threshold, and is decreased by 1 if the value of the scatter information is larger than the upper limit threshold. That is, if the value of the scatter information is smaller than the lower limit threshold, the collection interval is doubled, and if the value of the scatter information is larger than the upper limit threshold, the collection interval is halved. However, the collection interval is controlled so as not to be smaller than the initial value.

  The storage device 12 is a storage device that stores operation information collected from the information processing device. The administrator of the information processing system can check the status of the information processing system by browsing the operation information stored in the storage device 12.

  Next, processing when the information collection apparatus shown in FIG. 2 determines the collection interval of operation information of a predetermined information processing apparatus will be described.

  FIG. 3 is a flowchart showing processing when the information collection apparatus shown in FIG. 2 determines the collection interval of operation information of a predetermined information processing apparatus.

  The initial value of the collection interval set in the information collection device is 1 minute, and the information collection device will be described below as determining the collection interval every hour.

  When the collection interval determination unit 11 starts processing, first, the parameter P is set to an initial value (step S1).

  Next, the collection interval determination unit 11 determines a collection interval T at which the collection unit 10 collects operation information from the information processing apparatus (step S2). Note that immediately after the start of processing, the parameter P is set to an initial value of 0, so the collection interval T is 1 minute, which is the initial value of the collection interval.

  The collection unit 10 collects operation information from the information processing apparatus at the collection interval T determined by the collection interval determination unit 11 (step S3). When the collection unit 10 collects operation information for one hour from the information processing apparatus (step S4), the collection interval determination unit 11 calculates the average value and standard deviation of the operation information for one hour (step S5).

  Next, the collection interval determination unit 11 divides the calculated standard deviation by the average value to obtain scattering information. When obtaining the scatter information, the collection interval determination unit 11 determines whether or not the value of the scatter information is smaller than a preset lower limit threshold (step S6).

  When the value of the scatter information is smaller than the lower limit threshold, the collection interval determination unit 11 increases the value of the parameter P by 1 (step S7).

  On the other hand, when the value of the scatter information is larger than the lower limit threshold, the collection interval determination unit 11 determines whether or not the value of the scatter information is larger than a preset upper limit threshold (step S8).

  When the value of the scatter information is larger than the upper limit threshold, the collection interval determination unit 11 determines whether or not the value of the parameter P is 1 or more (step S9). When the value of the parameter P is 1 or more, the collection interval determination unit 11 decreases the value of the parameter P by 1 (step S10).

  When the value of the scatter information is not greater than a preset upper limit threshold value, or when the value of the parameter P is not 1 or more, the collection interval determination unit 11 does not change the value of the parameter P.

  When the value of the parameter P is determined, the collection interval determination unit 11 proceeds to step S2 and newly calculates the collection interval T based on the determined value of the parameter P. The collection unit 10 collects operation information for the next hour from the information processing apparatus at the newly calculated collection interval T.

  As described above, according to the present embodiment, the information collecting apparatus dynamically changes the collection interval based on the variation degree of the value of the operation information collected from the information processing apparatus in the past predetermined period. For this reason, the information collection device can lengthen the collection interval when the variation degree of the value of the operation information is small, and can shorten the collection interval when the variation degree of the value of the operation information is large. Thereby, the information collection device can reduce the redundancy of the collection processing and the collected operation information while more reliably detecting the fluctuation of the operation information of the information processing device.

  In addition, by determining the collection interval based on the degree of variation in the value of the operation information collected from the information processing device during the immediately preceding predetermined period, the information collection device follows the change in the value of the operation information and sets the collection interval. Can change.

  Further, in the present embodiment, an example in which a value obtained by dividing the standard deviation of the operation information collected from the information processing apparatus in a predetermined period by the average value of the operation information collected in the period is used as the scattered information. The invention is not limited to this. For example, the maximum value and the minimum value that can be taken by the value of the operation information acquired from the information processing apparatus are set in advance, and the standard deviation of the operation information collected from the information processing apparatus during a predetermined period can be taken by the value. A value obtained by dividing by the difference between and the minimum value may be used. Thereby, the information collection device can obtain the scattered information with higher accuracy.

  Further, in the present embodiment, an example in which Expression 1 is used as an expression for calculating the collection interval T is shown, but the present invention is not limited to this. For example, the collection interval T may be expressed by Equation 2.

式２を用いると、散布情報の値が下限閾値より小さければ、収集間隔は収集間隔の初期値分だけ長くなり、散布情報の値が上限閾値より大きければ、収集間隔は収集間隔の初期値分だけ短くなる。

Using Equation 2, if the value of the scatter information is smaller than the lower threshold, the collection interval will be longer by the initial value of the collection interval, and if the value of the scatter information is larger than the upper threshold, the collection interval will be the initial value of the collection interval. Only shortened.

  The information collection device can determine the collection interval using an appropriate expression of Expression 1 and Expression 2 according to the use of the information processing system.

  In this embodiment, since the information collection device calculates the collection interval for each information processing device, the information collection device and the collection of the collected operation information are more reliably detected for each information processing device. A collection interval that reduces redundancy can be determined.

(Second Embodiment)
In the first embodiment, an example has been shown in which the collection interval is dynamically changed according to the variation in the value of the operation information collected from the information processing apparatus in the immediately preceding predetermined period. In the second embodiment, an example is shown in which the collection interval is determined based on the variation in the values of past operation information collected when either the time zone or day of the week is the same as the current day.

  The basic configuration of the information collection apparatus according to the second embodiment is the same as that of the information collection apparatus according to the first embodiment. However, the collection interval determination unit 11 of the information collection apparatus according to the second embodiment manages the parametric variable for each time zone or day of the week, and for each time zone or day of the day. Determine the collection interval.

  When the collection interval determination unit 11 determines the collection interval based on past operation information collected when the time zone of the day is the same as the current time, the collection interval determination unit 11 collects operation information for one hour from the information processing apparatus. The average value, the standard deviation, and the scattering information are calculated for the operation information for one hour. Then, the collection interval determination unit 11 increases the value of the parametric variable by 1 when the value of the scatter information is smaller than the lower limit threshold, and decreases the value of the parametric variable by 1 when the value of the scatter information is larger than the upper limit threshold. The collection interval determination unit 11 manages the parameter for each time zone and stores the parameter for each time zone in the storage device 12 as a table in order to use it cumulatively. FIG. 4 shows an example of a parameter table for each time zone.

  When determining the collection interval based on the past operation information collected when the time zone of the day is the same as the current time, the information collection device 1 calculates the collection interval T by Equation 3. Note that Ph is an intermediary variable corresponding to a time zone for collecting operation information from now on. The initial value of the parameter Ph is 0.

同様に、収集間隔決定部１１は、曜日が現在と同じときに収集された過去の稼動情報に基づいて収集間隔を決定する場合、情報処理装置から１日分の稼動情報を収集すると、その１日分の稼動情報について、平均値、標準偏差および散布情報を算出する。そして、収集間隔決定部１１は、散布情報の値が下限閾値より小さい場合、媒介変数の値を１増加し、散布情報の値が上限閾値より大きい場合、媒介変数の値を１減少する。収集間隔決定部１１は、媒介変数を曜日毎に管理し、累積的に使用するために、曜日毎の媒介変数をテーブルとして記憶装置１２に保存する。図５に曜日毎の媒介変数のテーブルの例を示す。

Similarly, when the collection interval determination unit 11 determines the collection interval based on past operation information collected when the day of the week is the same as the current day, the collection interval determination unit 11 collects one day of operation information from the information processing apparatus. For the daily operation information, the average value, standard deviation, and scatter information are calculated. Then, the collection interval determination unit 11 increases the value of the parametric variable by 1 when the value of the scatter information is smaller than the lower limit threshold, and decreases the value of the parametric variable by 1 when the value of the scatter information is larger than the upper limit threshold. The collection interval determination unit 11 manages the parameter for each day of the week, and stores the parameter for each day of the week as a table in the storage device 12 for cumulative use. FIG. 5 shows an example of a parameter table for each day of the week.

  When the collection interval is determined based on past operation information collected when the day of the week is the same as the current day, the information collection device 1 calculates the collection interval T using Equation 4. Pw is a parameter corresponding to the day of the week on which operation information will be collected. The initial value of the parameter Pw is 0.

記憶装置１２は、情報処理装置から収集した稼動情報に加えて、時間帯毎の媒介変数のテーブルおよび曜日毎の媒介変数のテーブルを記憶する。

The storage device 12 stores a parameter table for each time zone and a parameter table for each day of the week in addition to the operation information collected from the information processing device.

  Processing when the information collection apparatus according to the second embodiment determines the collection interval based on the variation in the values of past operation information collected when the time zone or day of the week is the same as the current day Will be described.

  In FIG. 6, the information collection apparatus according to the second embodiment determines the collection interval according to the variation in the values of past operation information collected when the time zone or day of the week is the same as the current day. It is a flowchart which shows the process at the time.

  When the collection interval determination unit 11 starts the processing, first, the parameter table for each time zone and the parameter table for each day of the week are initialized, and the parameter variable Ph for each time zone and the parameter variable Pw for each day of the week are initialized. A value is set (step S11).

  Next, the collection interval determination unit 11 determines a collection interval T at which the collection unit 10 collects operation information from the information processing apparatus (step S12). When the collection interval is determined based on the variation in the value of the past operation information collected when the time zone or day of the week is the same as the present day, the information collection device 1 uses the collection interval T according to Equation 5 below. Is calculated.

尚、Ｐｈは、これから稼動情報を収集する時間帯に対応する媒介変数であり、Ｐｗは、これから稼動情報を収集する曜日に対応する媒介変数である。

Note that Ph is a parameter that corresponds to a time zone in which operation information will be collected from now on, and Pw is a parameter that corresponds to the day of the week from which operation information will be collected.

  The collection interval is doubled when either the parameter Ph or the parameter Pw increases by 1, and is half when either the parameter Ph or the parameter Pw decreases by one.

  Note that immediately after the start of processing, the parameter Ph and the parameter Pw are set to the initial value 0, so the collection interval T is the initial value of the collection interval.

  The collection unit 10 collects operation information from the information processing apparatus at the collection interval T determined by the collection interval determination unit 11 (step S13). When the collection unit 10 collects operation information for one hour from the information processing apparatus (step S14), the collection interval determination unit 11 calculates the average value and standard deviation of the operation information for one hour (step S15).

  Next, the collection interval determination unit 11 obtains a parameter for the time period during which the operation information is collected (step S16). The collection interval determination unit 11 divides the standard deviation of the operation information for one hour by the average value of the operation information for one hour to obtain the scattering information. The collection interval determination unit 11 increases the value of the parameter of the time zone in which the operation information is collected by 1 when the value of the scatter information is smaller than a preset lower threshold. On the other hand, when the value of the scatter information is larger than the preset upper limit threshold and the value of the scatter information is 1 or more, the collection interval determination unit 11 decreases the value of the parameter of the time zone in which the operation information is collected by 1. .

  When the value of the parameter of the time zone in which the operation information is collected is determined, the collection interval determination unit 11 determines whether or not the collection unit 10 has collected one day of operation information from the information processing apparatus (step S17). .

  If it is determined that the collection unit 10 has not collected the operation information for one day from the information processing apparatus, the collection interval determination unit 11 proceeds to step S12, and the time zone parameter for collecting operation information from now on, A collection interval T is newly calculated based on the parameter of the day of the week on which the operation information is collected. The collection unit 10 collects operation information for the next hour from the information processing apparatus at the newly calculated collection interval T.

  When it is determined that the collection unit 10 has collected one day of operation information from the information processing apparatus, the collection interval determination unit 11 calculates the average value and standard deviation of the operation information for one day (step S18).

  Next, the collection interval determination unit 11 obtains a parameter for the day of the week on which the operation information is collected (step S19). The collection interval determination unit 11 divides the standard deviation of the operation information for one day by the average value of the operation information for one day to obtain scattering information. The collection interval determination unit 11 increases the value of the parameter of the day of the week on which the operation information is collected by 1 when the value of the scattering information is smaller than a preset lower threshold. On the other hand, when the value of the scatter information is larger than a preset upper limit threshold and the value of the scatter information is 1 or more, the collection interval determination unit 11 decreases the value of the median variable of the day of the week on which the operation information is collected by 1.

  When the median variable for the day of the week on which the operation information is collected is determined, the collection interval determination unit 11 proceeds to step S12, and the parameter for the day of the week on which the operation information will be collected from now on. Based on this, a collection interval T is newly calculated. The collection unit 10 collects operation information for the next hour from the information processing apparatus at the newly calculated collection interval T.

  For example, in a mail server that processes corporate mail, mail is frequently sent and received during work hours on weekdays, so operation information fluctuates violently, and mail is not sent and received much at midnight or on holidays, so there is little information on operation. Does not fluctuate.

  When the information collection device of this embodiment collects the operation information of the mail server, it is possible to finely determine the state of the mail server by frequently collecting the operation information of the mail server during working hours on weekdays, and at night or on holidays. The load on the collection process can be reduced by increasing the collection interval.

  As described above, according to the present embodiment, the information collection device collects according to variations in values of past operation information collected when the time zone or day of the week is the same as the current day. Determine the interval. Thereby, the information collection device can obtain the collection interval based on the past statistical information.

  In the present embodiment, an example is shown in which the collection interval is determined based on the variation in the values of past operation information collected when either the time zone or day of the week is the same as the current day. The invention is not limited to this. For example, the collection interval may be determined based on the variation in the values of past operation information collected when either the day of January or the month of the year is the same as the present. FIG. 7 shows an example of a daily parameter table, and FIG. 8 shows an example of a monthly parameter table.

  Further, the collection interval may be determined by an arbitrary combination of the degree of variation for each time zone, the degree of variation for each day of the week, the degree of variation for each day, and the degree of variation for each month.

  Thereby, the information collection device can set the collection interval more finely according to the use of the information processing system.

(Third embodiment)
The processing of the collection unit 10 and the collection interval determination unit 11 of the first embodiment and the second embodiment may be realized by a program.

  FIG. 9 is a block diagram illustrating a configuration of a mobile terminal according to the third embodiment.

  As illustrated in FIG. 9, the information collection device 1 according to the third embodiment includes a CPU 20, a main storage device 21, an auxiliary storage device 22, a recording medium interface device 23, a recording medium 24, and a communication unit 25. And are connected via an internal bus 26.

  The recording medium 24 records a program for realizing the functions of the collection unit 10 and the collection interval determination unit 11 of the first embodiment and the second embodiment. The program recorded on the recording medium 24 is read into the main storage device 21 by the CPU 20 via the storage medium interface device 23. The CPU 20 executes processing according to the program read into the main storage device 21. The recording medium 24 may be a magnetic disk, a semiconductor memory, an optical disk, or other recording medium.

  Further, the auxiliary storage device 22 stores operation information collected from the information processing device and parameter variables for each time, each day of the week, each day, and each month.

1 Information collection device 2, 3, 4 Information processing device 10 Collection unit 11 Collection interval determination unit 12 Storage device 20 CPU
21 Main storage device 22 Auxiliary storage device 23 Storage medium interface unit 24 Storage medium 25 Communication unit 26 Internal bus

Claims (16)

Scatter information indicating the degree of variation in the value of the operation information is obtained from operation information indicating the operation status of the information processing apparatus collected from the information processing apparatus in a predetermined period, and the information processing is performed according to the distribution information. A collection interval determining means for determining a collection interval for collecting information from the apparatus;
Information collecting means for collecting information from the information processing apparatus at the collection interval determined by the collection interval determining means;
An information collecting apparatus having The scattering information is a value obtained by dividing the standard deviation of the operation information collected from the information processing apparatus during the predetermined period by the average value of the operation information collected from the information processing apparatus during the predetermined period.
The information collection device according to claim 1. The scattering information is a value obtained by dividing the standard deviation of the operation information collected from the information processing apparatus during the predetermined period by the difference between the maximum value and the minimum value that can be taken by the value of the operation information.
The information collection device according to claim 1. The collection interval determination means sets the collection interval to a shorter time as the value of the scattering information is larger.
The information collection device according to any one of claims 1 to 3. The collection interval determination means doubles the collection interval when the value of the scatter information calculated from the operation information collected from the information processing apparatus immediately before the predetermined period is smaller than a predetermined lower threshold, If the value is greater than a predetermined upper threshold, the collection interval is halved,
The information collection device according to claim 4. The collection interval determination means increases the collection interval by a predetermined time when the value of the distribution information calculated from the operation information collected from the information processing apparatus immediately before the predetermined period is smaller than a predetermined lower threshold, If the value of the information is greater than a predetermined upper threshold, the collection interval is shortened by a predetermined time;
The information collection device according to claim 4. The collection interval determination means is calculated from the past operation information collected from the past operation information collected when the time zone of the day is the same as the present, and the past operation information collected when the day of the week is the same as the present. Scatter information, scatter information calculated from past operation information collected when the day is the same as the present, scatter information calculated from past operation information collected when the month is the same as the present, or two or more of them Determining the collection interval based on a combination;
The information collection device according to claim 4. The information collecting means collects operation information from a plurality of information processing devices,
The collection interval determining means determines the collection interval for each of the plurality of information processing devices;
The information collection device according to any one of claims 1 to 7. An information collection method in an information collection device for collecting information from an information processing device,
The collection interval determination means obtains scatter information indicating the degree of variation in the value of the operation information from the operation information indicating the operation status of the information processing apparatus collected from the information processing apparatus in a predetermined period, and the scatter information A collection interval for collecting information from the information processing apparatus according to
An information collection method in which an information collection unit collects information from the information processing apparatus at the collection interval determined by the collection interval determination unit. The scattering information is a value obtained by dividing the standard deviation of the operation information collected from the information processing apparatus during the predetermined period by the average value of the operation information collected from the information processing apparatus during the predetermined period.
The information collection method according to claim 9. The scattering information is a value obtained by dividing the standard deviation of the operation information collected from the information processing apparatus during the predetermined period by the difference between the maximum value and the minimum value that can be taken by the value of the operation information.
The information collection method according to claim 9. The collection interval determining means sets the collection interval to a shorter time as the value of the scattering information is larger.
The information collection method according to any one of claims 9 to 11. When the value of the scatter information calculated from the operation information collected during the predetermined period immediately before from the information processing device is smaller than a predetermined lower threshold, the collection interval determination means doubles the collection interval, If the value is greater than a predetermined upper threshold, the collection interval is halved,
The information collection method according to claim 12. When the value of the scatter information calculated from the operation information collected in the predetermined period immediately before from the information processing apparatus is smaller than a predetermined lower threshold, the collection interval determining means increases the collection interval by a predetermined time, When the value of the scattering information is greater than a predetermined upper threshold, the collection interval is shortened by a predetermined time.
The information collection method according to claim 12. The collection interval determination means is calculated from the past operation information collected from the past operation information collected when the time zone of the day is the same as the present, and the past operation information collected when the day of the week is the same as the present. Scatter information, scatter information calculated from past operation information collected when the day is the same as the present, scatter information calculated from past operation information collected when the month is the same as the present, or two or more of them Determining the collection interval based on a combination;
The information collection method according to claim 12. The information collecting means collects operation information from a plurality of information processing devices;
The collection interval determining means determines the collection interval for each of the plurality of information processing devices;
The information collection method according to any one of claims 9 to 15.

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