WO2011105091A1 - 制御装置、管理装置、制御装置のデータ処理方法、およびプログラム - Google Patents
制御装置、管理装置、制御装置のデータ処理方法、およびプログラム Download PDFInfo
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- WO2011105091A1 WO2011105091A1 PCT/JP2011/001078 JP2011001078W WO2011105091A1 WO 2011105091 A1 WO2011105091 A1 WO 2011105091A1 JP 2011001078 W JP2011001078 W JP 2011001078W WO 2011105091 A1 WO2011105091 A1 WO 2011105091A1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/46—Multiprogramming arrangements
- G06F9/50—Allocation of resources, e.g. of the central processing unit [CPU]
- G06F9/5083—Techniques for rebalancing the load in a distributed system
- G06F9/5088—Techniques for rebalancing the load in a distributed system involving task migration
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/30—Monitoring
- G06F11/34—Recording or statistical evaluation of computer activity, e.g. of down time, of input/output operation ; Recording or statistical evaluation of user activity, e.g. usability assessment
- G06F11/3409—Recording or statistical evaluation of computer activity, e.g. of down time, of input/output operation ; Recording or statistical evaluation of user activity, e.g. usability assessment for performance assessment
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/30—Monitoring
- G06F11/34—Recording or statistical evaluation of computer activity, e.g. of down time, of input/output operation ; Recording or statistical evaluation of user activity, e.g. usability assessment
- G06F11/3409—Recording or statistical evaluation of computer activity, e.g. of down time, of input/output operation ; Recording or statistical evaluation of user activity, e.g. usability assessment for performance assessment
- G06F11/3433—Recording or statistical evaluation of computer activity, e.g. of down time, of input/output operation ; Recording or statistical evaluation of user activity, e.g. usability assessment for performance assessment for load management
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/30—Monitoring
- G06F11/34—Recording or statistical evaluation of computer activity, e.g. of down time, of input/output operation ; Recording or statistical evaluation of user activity, e.g. usability assessment
- G06F11/3442—Recording or statistical evaluation of computer activity, e.g. of down time, of input/output operation ; Recording or statistical evaluation of user activity, e.g. usability assessment for planning or managing the needed capacity
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2201/00—Indexing scheme relating to error detection, to error correction, and to monitoring
- G06F2201/815—Virtual
Definitions
- the present invention relates to a control device, a management device, a data processing method for the control device, and a program, and in particular, a control device, a management device, a data processing method for the control device, and a control device that perform load estimation for measuring performance of a virtual server, and Regarding the program.
- FIG. 18 is a block diagram showing the configuration of the system.
- the servers 900, 901, and 902 are non-virtualized servers targeted for server integration.
- the computer 930 is a terminal on which a sizing function operates. Servers 900, 901, and 902 and a computer 930 are connected by a LAN (Local Area Network) 905.
- LAN Local Area Network
- Each of the servers 900, 901, and 902 is an example of a real server, and the computer 930 is an example of a virtual machine server sizing device.
- Servers 900, 901, and 902 include load measuring units 910, 911, and 912, respectively.
- the servers 900, 901, and 902 have at least one CPU (Central Processing Unit) as a hardware resource, and also have an HDD (Hard Disk Drive) and a NIC (Network Interface Card).
- the load measuring units 910, 911, and 912 measure the system loads of the servers 900, 901, and 902, respectively, and output them as measurement information.
- the system load is, for example, a CPU load, a disk or network I / O (Input / Output) load.
- the computer 930 includes a performance design unit 940, a configuration management unit 941, an input device 951 (for example, a keyboard and a mouse), a storage device 952 (for example, an HDD and a memory), a processing device 953 (for example, a CPU), and an output device 954 (for example, Display device and printer device).
- a performance design unit 940 for example, a configuration management unit 941, an input device 951 (for example, a keyboard and a mouse), a storage device 952 (for example, an HDD and a memory), a processing device 953 (for example, a CPU), and an output device 954 (for example, Display device and printer device).
- an input device 951 for example, a keyboard and a mouse
- a storage device 952 for example, an HDD and a memory
- a processing device 953 for example, a CPU
- an output device 954 for example, Display device and printer device.
- description is abbreviate
- the conventional computer system having such a configuration operates as follows.
- the CPU performance conversion unit 923 obtains the measured values of the CPU load of the servers 900, 901, and 902.
- the load conversion unit 920 obtains an estimated value of the CPU load of the server X caused by disk or network I / O from the disk load or network load of the servers 900, 901, and 902.
- the CPU overhead calculation unit 924 obtains a coefficient indicating the CPU overhead due to virtualization.
- the load estimation unit 925 estimates the CPU load of the server X using the measured value, the estimated value, and the coefficient.
- the feature is that the CPU overhead for I / O when each resource (disk, network) is used on the virtual server is measured, and further, the frequency of each resource used by the application on the physical server is measured. .
- the CPU overhead corresponding to the resource usage frequency is calculated, and the CPU resource usage frequency is estimated by adding the above CPU overhead assuming that application processing is performed on the virtual server from the physical server, Measures the resource usage frequency when application processing on a physical server is executed on a virtual server.
- the computer system described above has a problem that it is difficult to accurately estimate the target load because the dependency relationship with resources other than the CPU (Central Processing Unit) is not considered.
- An object of the present invention is to provide a control device, a data processing method thereof, a program thereof, and a management device capable of accurately performing load estimation for performing performance measurement of a virtual server, which is the above-described problem. is there.
- the control device of the present invention An acquisition unit for acquiring resource usage of a plurality of resources of a physical server and a virtual server operating on the physical server; Load generation means for generating a load on the measurement target resource; By applying the load to the measurement target resource, a resource on which the measurement target resource depends is obtained, and the dependence degree of the measurement target resource is determined based on the number of the resource on which the measurement target resource depends.
- a dependency frequency calculating means for calculating for calculating; Ranking means for ranking the resources in descending order of the number of dependencies calculated as the measurement target resource for a plurality of the resources; Select the measurement target resource from a plurality of the resources in the order ranked by the ranking unit, and adjust the processing capacity index of the resource usage of the measurement target resource while generating the load sequentially by the load generation unit Adjusting means.
- the management apparatus of the present invention is obtained by the estimation unit as a physical server to be verified by sequentially operating the performance measurement virtual server of the control apparatus on the physical server as a plurality of migration destination candidates.
- Presenting means for presenting the processing capability index is provided.
- the program of the present invention is stored in a computer.
- the procedure for calculating A procedure for ranking the resources in descending order of the dependency number calculated as the measurement target resource for the plurality of resources, The measurement target resource is selected from the plurality of resources in the ranked order, and the procedure for adjusting the processing capacity index of the resource usage of the measurement target resource is executed while sequentially generating loads.
- the data processing method of the control device of the present invention is: A data processing method of a control device that measures a load of a plurality of resources of a physical server and a virtual server operating on the physical server, the control device comprising: Obtaining resource usage of the plurality of resources of the physical server and the virtual server running on the physical server; Generate a load on the measurement target resource, By applying the load to the measurement target resource, a resource on which the measurement target resource depends is obtained, and the dependence degree of the measurement target resource is determined based on the number of the resource on which the measurement target resource depends.
- the measurement target resource is selected from a plurality of the resources in the ranked order, and the processing capacity index of the resource usage of the measurement target resource is adjusted while sequentially generating a load.
- a plurality of components are formed as a single member, and a single component is formed of a plurality of members. It may be that a certain component is a part of another component, a part of a certain component overlaps with a part of another component, or the like.
- the data processing method and the computer program of the present invention describe a plurality of procedures in order, the described order does not limit the order in which the plurality of procedures are executed. For this reason, when implementing the data processing method and computer program of this invention, the order of the several procedure can be changed in the range which does not interfere in content.
- the data processing method and the plurality of procedures of the computer program of the present invention are not limited to being executed at different timings. For this reason, another procedure may occur during the execution of a certain procedure, or some or all of the execution timing of a certain procedure and the execution timing of another procedure may overlap.
- a control device a management device, a data processing method for the control device, and a program capable of accurately estimating a load for performing performance measurement of the virtual server.
- FIG. 1 is a schematic block diagram showing a configuration of an information processing system 1 according to an embodiment of the present invention.
- one physical server computer hereinafter referred to as “physical server”
- virtual server a plurality of virtual computers
- the resources of a plurality of physical servers are efficiently used by using a server virtualization technology that operates different operating systems (OSs) and applications on each virtual server.
- OSs operating systems
- the present invention relates to a provisioning technique for adjusting resources and providing an optimal service to a user so that a process having performance according to the user's demand can be executed using the computer.
- the virtual server has an advantage that the resources can be flexibly allocated according to the user's demand in this way, but the processing performance is reduced by the overhead of virtualization.
- the characteristics of the dependency relationship between the resources in which a load corresponding to that occurs between other resources is analyzed. Then, the target load is generated by absorbing the generation of the load due to the characteristics. Then, on the virtual server that generates a load on the physical server, it is possible to perform the load estimation excluding the influence of the overhead between resources generated by the load generation.
- resources such as a plurality of servers, networks, applications, and storage are virtualized. Then, when there is a request from the user or at the time of failure, the necessary amount of resources can be dynamically allocated to another resource.
- the processing performance of the virtual server before and after the movement of the resource is estimated in advance as accurately as possible, so that it is possible to avoid a large load change or a high load during the movement.
- the present invention enables the system to have performance that meets the needs of the user.
- the present invention can be applied to a data center business that is mounted on a monitoring middleware product and efficiently operates a virtual server that operates on a physical server.
- the information processing system 1 of the present embodiment includes a management server 4, a pool server 5, a save server 6, a migration source server 7 having a management agent 70, and a plurality of management agents 90.
- Destination server 9 (SV21,..., SV2m, m is a natural number). These are connected to each other via the communication network 3.
- the communication network 3 is not particularly limited, and is configured such that servers can communicate with each other. For example, a LAN (Local Area Network), a WAN (Wide Area Network), a mobile communication network, a fixed telephone communication network, the Internet, and combinations thereof It can be.
- the pool server 5, the migration source server 7, the migration destination server 9, and the evacuation server 6 are physical servers in which virtual servers can be arranged and functions that can move between the servers are provided.
- Each physical server includes, for example, a CPU, a memory, a hard disk, and a communication device (not shown) and is connected to an input device such as a keyboard and a mouse and an output device such as a display and a printer, or a computer corresponding thereto. It is realizable with the apparatus which does.
- Each function of each unit can be realized by the CPU reading the program stored in the hard disk into the memory and executing it.
- the configuration of parts not related to the essence of the present invention is omitted and is not shown.
- Each component of the information processing system 1 includes an arbitrary computer CPU, memory, a program that realizes the components shown in the figure loaded in the memory, a storage unit such as a hard disk that stores the program, and a network connection interface. It is realized by any combination of hardware and software. It will be understood by those skilled in the art that there are various modifications to the implementation method and apparatus. Each figure described below shows functional unit blocks, not hardware unit configurations.
- VM1i, i is a natural number
- business virtual server 96 in the case of the migration destination server SV21.
- VM21,..., VM2j, j are natural numbers
- the other is a performance measurement virtual server 100 (VM31,..., VM3n, n is a natural number) that performs the performance measurement processing of the present invention.
- the destination server 9 may not exist.
- the destination server 9 does not exist when performing the performance measurement process of the present embodiment in order to newly introduce the destination server.
- the business virtual server 76 and the business virtual server 96 are equipped with applications that perform processing such as web, mail, backup, and the like, and perform these processing.
- the performance measurement virtual server 100 of the present embodiment operates.
- a plurality (n) of servers may operate on the pool server 5 like the performance measurement virtual server 100 (VM31 to VM3n) shown in FIG.
- the management agent 70 of the source server 7 has a load information collection unit 72 and a load information notification unit 74, and has a role of instructing to start or end these functions.
- a business virtual server 76 operates on the migration source server 7.
- a plurality (i) of business virtual servers 76 may operate on the migration source server 7 (VM11 to VM1i in the figure).
- the load information collection unit 72 collects the resource usage of the migration source server 7 and the virtual server running on the migration source server 7.
- the load information notification unit 74 periodically transmits the resource usage collected by the load information collection unit 72 to the management server 4 via the communication network 3.
- the management agent 90 of the destination server 9 has a load information collection unit 92 and a load information notification unit 94, and has a role of instructing to start or end these functions.
- a business virtual server 96 operates on the destination server 9.
- there are a plurality of business virtual servers 96 on each destination server 9 (j in the case of destination server SV21, and other destination servers SV2m (m is 2, 3, 4,%)).
- (For example, x, y, z,...) May be operated one by one (in the figure, the virtual servers VM21 to VM2j of the migration destination server SV21 and the virtual servers of other migration destination servers SV2m are omitted).
- the load information collection unit 92 collects the resource usage of the migration destination server 9 and the virtual server running on the migration destination server 9. Then, the load information notification unit 94 periodically transmits the resource usage collected by the load information collection unit 92 to the management server 4 via the communication network 3.
- the evacuation server 6 is a physical server that temporarily evacuates the business virtual server 76 operating on the migration source server 7 when performing the performance measurement process of the present invention described later. As a result, the information processing system 1 of the present embodiment can execute the performance measurement processing of the present invention without stopping the actual business service. It is assumed that the evacuation server 6 has sufficient resources that do not cause a shortage of resources even when the business virtual server 76 is evacuated.
- the management server 4 includes a performance information acquisition instruction unit 21, a load adjustment and reproduction instruction unit 22, a virtual server activation unit 24, a virtual server movement unit 25, an information transmission unit 26, an information reception unit 27, and an information comparison.
- Unit 28 virtual server image storage unit 29, and performance information storage unit 20.
- the information processing system 1 of the present embodiment includes a load adjustment phase and a load reproduction phase.
- the information processing system 1 of the present embodiment performs a performance measurement by generating a pseudo load on the movement source server 7.
- the information processing system 1 according to the present embodiment generates a load on the movement destination server 9 based on the processing capability index obtained in the load adjustment phase, and acquires the resource usage.
- the performance information storage unit 20 stores the processing capability index of each resource received from the performance measurement virtual server 100 operating on the migration source server 7 in the load adjustment phase. Furthermore, the performance information storage unit 20 uses the resource usage consumed on the destination server 9 received from the performance measurement virtual server 100 operating on the destination server 9 in the load reproduction phase, for example, in time series. Remember.
- the performance information acquisition instruction unit 21 gives a load adjustment instruction or a load reproduction instruction to the load adjustment and reproduction instruction unit 22.
- the operator can instruct load adjustment or load reproduction to the management server 4 of the information processing system 1 using, for example, an operation unit (not shown).
- the performance information acquisition instruction unit 21 instructs the load adjustment and reproduction instruction unit 22 according to the instruction.
- the performance information acquisition instructing unit 21 receives the designation of which source server 7 is the measurement target by causing the operator to designate it.
- the operator may create a load adjustment or load reproduction execution schedule in advance and register it in the management server 4, and the performance information acquisition instruction unit 21 may automatically issue an instruction according to the schedule. In this way, verification can be performed in the middle of the night when the system is not actually operating. As a result, even if a failure occurs, the damage can be minimized.
- the load adjustment and reproduction instruction unit 22 performs the performance measurement virtual server on the pool server 5 instead of the business virtual server 76 operating on the movement source server 7 designated as the measurement target.
- the performance measurement virtual server 100 is moved to the movement source server 7.
- the virtual server moving unit 25 is instructed to move the business virtual server 76 operating on the movement source server 7 to the evacuation server 6.
- an instruction to return to the original state is also given.
- the load adjustment and reproduction instruction unit 22 transmits a performance information measurement instruction to the performance measurement virtual server 100 moved to the movement source server 7 using the information transmission unit 26 via the communication network 3.
- This performance information measurement instruction includes the setting information 130 shown in FIG. 13 and information on each resource amount of the performance measurement virtual server 100.
- the setting information 130 can be set by the operator, and parameters set using the operation unit from a setting screen or the like may be received, or may be received in the form of a setting file.
- the setting information 130 includes information for each virtual server. For example, the initial processing capacity index (numerical value), the initial adjustment fluctuation width (%), the reproduction fluctuation width (%), and the number of skips. (Times), number of continuations (times), allowable range (%), reference resource usage (% or numerical value), maximum number of adjustments (times), multiprocessor support, CPU resource flag, memory resource flag, NW (network ) Resource flag and HDD resource flag.
- the initial processing capacity index (numerical value) is set for each resource, and this initial processing capacity index is used when a load is first generated using a performance measurement program.
- the initial adjustment fluctuation width (%) may be set for each resource, and is a range of fluctuation of the load when the load is first generated using the performance measurement program.
- the reproduction fluctuation width (%) may be set for each resource, and is a range of load fluctuation when a load is generated using a performance measurement program at the time of load reproduction.
- the skip count (times) may be set for each resource, and is a count of skipping the resource load information received from the physical server in consideration of a case where the load is not increased.
- the number of times of continuation (times) may be set for each resource, and is the number of times that has entered an allowable range as a result of measurement by outputting a load corresponding to a reference processing capability index.
- the permissible range (%) may be set for each resource, and is a range from the reference resource usage as a result of measuring and outputting a load corresponding to the reference processing capability index.
- the reference resource usage (% or numerical value) may be set for each resource, and is a reference resource usage with a small load that does not affect other virtual servers.
- the maximum number of adjustments (times) may be set for each resource, and is the number of adjustments for obtaining a reference resource usage.
- the multiprocessor support indicates the maximum number of CPU cores in the measurement server environment.
- the CPU resource flag, memory resource flag, NW resource flag, and HDD resource flag indicate whether or not to measure CPU, memory, NW, and HDD resources, respectively.
- the CPU and memory resources indicate whether or not to perform measurement, and the NW and HDD resources indicate input or output, or all. These settings are used in the processing described later.
- the load adjustment and reproduction instruction unit 22 moves the performance measurement virtual server 100 on the pool server 5 to the movement source server 7 designated as the measurement target. Instructs the virtual server moving unit 25.
- the load adjustment and reproduction instruction unit 22 transmits a load reproduction instruction to the performance measurement virtual server 100 via the communication network 3 using the information transmission unit 26.
- the load reproduction instruction includes the processing capacity index of the business virtual server 76 on the source server 7 estimated by the performance measurement virtual server 100 in the load adjustment phase.
- the virtual server image storage unit 29 stores an image of a virtual server operating in the information processing system 1.
- the virtual server activation unit 24 copies the image of each virtual server registered in the virtual server image storage unit 29 to the server to be activated, and instructs to activate the virtual server.
- a plurality of performance measurement virtual servers 100 VM31 to VM31n
- the virtual server moving unit 25 moves each virtual server in accordance with an instruction from the load adjustment and reproduction instruction unit 22.
- the information transmission unit 26 instructs the performance measurement virtual server 100 running on the migration source server 7 and the performance measurement virtual server 100 running on the migration destination server 9 via the communication network 3. And send information.
- the information receiving unit 27 receives information from the performance measurement virtual server 100 operating on the movement source server 7 and the performance measurement virtual server 100 operating on the movement destination server 9 via the communication network 3. Receive.
- the information comparison unit 28 acquires the resource usage consumed on the destination server 9 in the performance information storage unit 20 in the load reproduction phase. Then, the information comparison unit 28 presents it on a display unit (not shown) or the like so that the amount of resource usage can be compared when it is performed on a plurality of destination servers 9 (SV 21 to 2 m).
- the management server 4 sequentially operates the performance measurement virtual server 100 on a plurality of physical destination servers (movement destination servers 9). And the management server 4 can be provided with the presentation part (not shown) which presents the processing capacity parameter
- each unit of the management server 4 described above are realized by executing a computer program on a computer.
- This computer program may be recorded on a computer-readable recording medium.
- the recording medium is not particularly limited, and various forms can be considered.
- the program may be loaded from a recording medium into a computer memory, or downloaded to a computer through a network and loaded into the memory.
- FIG. 2 is a functional block diagram showing the configuration of the performance measurement virtual server 100 of this embodiment.
- the control device (performance measurement virtual server 100) of this embodiment includes a physical server (migration source server 7 or migration destination server 9) and a virtual server (business virtual server 76 or business virtual server 96) operating on the physical server.
- the acquisition unit 52 that acquires the resource usage
- the load generation unit 54 that generates a load on the measurement target resource
- the measurement target resource depends on the load on the measurement target resource.
- a dependency level calculation unit 56 that calculates the dependency level of the measurement target resource based on the number of resources on which the measurement target resource depends, and a plurality of resources calculated as the measurement target resources.
- selecting the target object from the resource comprises while generating sequential load by the load generator 54, an adjuster 60 for adjusting the processing capabilities indication of resource usage measurement target resource, the.
- the performance measurement virtual server 100 further includes an interface (shown as “I / F” in the figure) 62.
- the interface 62 is connected to the management server 4, the evacuation server 6, and the migration source server 7 via the communication network 3. , And the destination server 9 to communicate.
- the control device of the present invention refers to the performance measurement virtual server 100 operable on the physical server. It is in accordance with an instruction from the management server 4 on which physical server the performance measurement virtual server 100 is moved. That is, since the control apparatus of the present invention does not determine on which physical server the performance measurement virtual server 100 is to be operated, it is not limited to which computer it is realized.
- the performance measurement virtual server 100 includes an information transmission unit 101, an information reception unit 103, a load determination unit 105, a load generation unit 107, and a setting file reading.
- the intermediate information storage unit 125 and the dependency information storage unit 127 are provided.
- the figure shows the performance measurement virtual server VM31, the other performance measurement virtual server VM3n has the same configuration.
- the control device (performance measurement virtual server 100) further includes resources other than the measurement target resource based on the resource usage acquired by the information reception unit 103 while the load is generated by the load generation unit 107.
- the measurement target resource depends on the resource A determination unit (load determination unit 105) that determines that the resource to be measured is included, and the dependency frequency calculation unit (dependency analysis unit 113) is determined by the load determination unit 105 that the measurement target resource is dependent.
- Dependency count is calculated by counting the number of resources.
- control device (performance measurement virtual server 100) of this embodiment is replaced with at least one virtual server (business virtual server 76 in FIG. 1) operating on a physical server (migration source server 7 in FIG. 1).
- the performance measurement virtual server 100 for realizing each unit of the performance measurement virtual server 100 is operated on the movement source server 7 (FIG. 1) as the movement source, and the load generation unit 107 is moved to the movement source server 7.
- a load is generated on the source server 7, and the information receiving unit 103 operates on the source server 7 and the source server 7.
- the resource usage of the plurality of resources of the virtual server 100 is periodically acquired, and the load adjustment unit 111 adjusts the processing capacity index.
- the load adjustment unit 111 is based on the resource usage of each resource acquired by the information reception unit 103 until the previous time other than the current measurement target resource.
- the resource usage amount of the resource to which the load generation unit 107 applied a load and the resource usage amount of the measurement target resource to which the load generation unit 107 applied the current load are set as the measurement targets of the preset virtual server.
- the processing capacity index is adjusted to be the resource usage amount removed from the resource usage amount of the resource, and the control device (performance measurement virtual server 100) is further based on the processing capacity index adjusted by the load adjustment unit 111.
- the load generation unit 107 selects the measurement target resource from the plurality of resources in the order ranked by the dependency analysis unit 113.
- a determination unit (load determination unit 105) that determines whether or not the absolute value of the target resource usage is within the allowable range from the resource usage acquired by the information reception unit 103 while sequentially generating a load.
- an estimation unit (load) that estimates a processing capability index corresponding to the target resource usage amount from the resource usage amount acquired by the information receiving unit 103 when the load determination unit 105 determines that it is within the allowable range. Adjustment unit 111).
- the information transmission unit 101 transmits information about the processing capability index obtained by the performance measurement process to the management server 4 via the communication network 3 in the load adjustment phase. Further, the information transmission unit 101 transmits information on the latest resource usage to the management server 4 via the communication network 3 in the load reproduction phase.
- the information receiving unit 103 receives instructions and information from the management server 4, the source server 7, or the destination server 9 via the communication network 3, and stores them in a predetermined storage unit. For example, the information reception unit 103 receives a performance information measurement instruction from the load adjustment and reproduction instruction unit 22 of the management server 4 and stores it in the reception information storage unit 121. Then, the information receiving unit 103 periodically receives the resource usage from the load information notification unit 74 on the source server 7 that has generated the load in a pseudo manner, and stores it in the load information storage unit 117. Further, the information receiving unit 103 receives a load reproduction instruction from the load adjustment and reproduction instruction unit 22 and stores it in the reception information storage unit 121. Then, the information receiving unit 103 periodically receives the resource usage from the load information notification unit 94 on the destination server 9 that has reproduced the load, and stores it in the load information storage unit 117.
- the information reception unit 103 corresponds to the acquisition unit 52 in FIG.
- the received information storage unit 121 stores instructions and information received from the management server 4, the movement source server 7, or the movement destination server 9 via the communication network 3 by the information reception unit 103.
- the load information storage unit 117 stores the resource usage for each resource that the information reception unit 103 periodically receives from the load information notification unit 74 of the source server 7 in the load adjustment phase. Further, the load information storage unit 117 stores the resource usage for each resource that the information reception unit 103 periodically receives from the load information notification unit 94 of the destination server 9 in the load reproduction phase.
- the load determination unit 105 refers to the load information storage unit 117 in the load adjustment phase, and determines the dependency relationship from each resource usage based on the resource usage of the source server 7 and the destination server 9. Further, the load determination unit 105 calculates the number of dependencies as the measurement target resource for each resource based on the number of resources on which the measurement target resource depends.
- the load determination unit 105 corresponds to the dependency frequency calculation unit 56 in FIG. The calculated dependency frequency is stored in the dependency information storage unit 127 for each resource.
- the load determination unit 105 detects whether there is an increase or decrease in the resource usage of resources other than the measurement target resource. When an increase / decrease is detected, the load determination unit 105 determines that the measurement target resource is dependent on the resource. In this embodiment, the load determination unit 105 determines the dependency based on the increase / decrease of the resource usage acquired by the load information collection unit of the management agent provided in each server, but the present invention is not limited to this. For example, the dependency relationship can be determined by using an index that shows an increase or decrease in the resource usage of the server by another monitoring tool.
- the load determination unit 105 refers to the load information storage unit 117 in the load reproduction phase, and reads the final resource usage based on the resource usage of the destination server 9. Then, the load determination unit 105 transmits the read final resource usage amount to the management server 4 via the communication network 3 using the information transmission unit 101.
- the setting file reading unit 109 reads each parameter from the setting information 130 of FIG. 13 received from the management server 4 and stored in the reception information storage unit 121, and stores it in the setting information storage unit 123.
- the setting information storage unit 123 stores parameters of the setting information 130 read from the reception information storage unit 121 by the setting file reading unit 109.
- the load adjustment unit 111 adjusts the processing capability index in the load adjustment phase according to a procedure described later.
- This processing capacity index becomes the resource usage of the business virtual server 76 based on the processing capacity index for each resource updated after the load is generated and the resource usage of each resource measured periodically.
- the load adjustment unit 111 corresponds to the adjustment unit 60 in FIG.
- the performance information storage unit 119 stores the processing capability index adjusted by the load adjustment unit 111 for each resource.
- the measurement instruction unit 115 instructs the load generation unit 107 to generate a resource load in units of resources. Details of how to apply the load will be described later.
- the load generation unit 107 generates a pseudo load on the measurement target resources of the performance measurement virtual server 100 on the movement source server 7 and the performance measurement virtual server 100 on the movement destination server 9. This corresponds to the load generation unit 54 in FIG.
- the dependency relationship analysis unit 113 performs resource-dependent ordering (descending order) based on the performance measurement result for each resource existing in the dependency information storage unit 127.
- the dependency relationship analysis unit 113 corresponds to the ranking unit 58 of FIG.
- the intermediate information storage unit 125 stores the resource usage other than the measurement target resource in the load adjustment phase.
- the dependency information storage unit 127 stores the number of dependency degrees of each resource obtained by the load determination unit 105.
- the functions of the units of the performance measurement virtual server 100 described above are realized by executing a computer program on a computer.
- the computer program of the present embodiment is a computer for realizing the performance measurement virtual server 100.
- the procedure for acquiring the resource usage of a plurality of resources in one business virtual server 76), the procedure for generating a pseudo load on the measurement target resource, and applying a load to the measurement target resource allows the measurement target resource to Obtain the dependent resources, and calculate the number of dependencies of the measurement target resource based on the number of resources on which the measurement target resource depends, and the number of dependencies calculated as the measurement target resource for each of the multiple resources.
- the performance measurement program according to the present embodiment is a performance measurement virtual program including a program instead of at least one virtual server (business virtual server 76 in FIG. 1) running on a physical server (migration source server 7 in FIG. 1).
- a procedure for operating the server 100 on the source server 7 (FIG. 1) as the source and at least one business virtual server 76 operating on the source server 7 (FIG. 1) as the source A procedure for generating a load on the migration source server 7; a procedure for periodically acquiring the resource usage of the plurality of resources of the migration source server 7 and the performance measurement virtual server 100 operated on the migration source server 7; , And a procedure for adjusting the processing capability index are further described.
- the performance measurement program of this embodiment uses the resource usage of each resource acquired in the acquisition procedure, and the resource usage of resources loaded in the procedure that generates a load up to the previous time other than the current measurement target resource
- the resource usage of the measurement target resource that is loaded this time in the load generation procedure is removed from the resource usage of the measurement target resource of the target virtual server that is set in advance.
- the measurement target resources are selected from the plurality of resources in the order ranked by the ranking procedure based on the processing capability index adjusted by the adjusting procedure. Select and use the target resource usage from the resource usage acquired in the acquisition procedure while generating sequential load.
- the target resource is determined from the resource usage acquired in the acquisition procedure It is described that the computer further executes a procedure for estimating the processing capacity index corresponding to the usage amount.
- the computer program of this embodiment may be recorded on a computer-readable storage medium.
- the recording medium is not particularly limited, and various forms can be considered.
- the program may be loaded from a recording medium into a computer memory, or downloaded to a computer through a network and loaded into the memory.
- the information processing system 1 of the present embodiment includes a load adjustment phase and a load reproduction phase.
- the information processing system 1 of the present embodiment performs a performance measurement by generating a pseudo load on the movement source server 7.
- the information processing system 1 according to the present embodiment generates a load on the movement destination server 9 based on the processing capability index obtained in the load adjustment phase, and acquires the resource usage.
- the management server 4 starts a load adjustment phase.
- the performance measurement virtual server 100 applies a load corresponding to the business virtual server 76 on the migration source server 7 and performs performance measurement.
- the management server 4 starts a load reproduction phase, generates a load on the destination server 9, and acquires the resource usage.
- the performance measurement virtual server 100 and two types of virtual server images of the business virtual server 76 and the business virtual server 96 are registered in the virtual server image storage unit 29. .
- the performance measurement virtual server 100 is activated on the pool server 5 by the virtual server activation unit 24 in advance.
- the startup method is to copy the performance measurement virtual server 100 image registered in the virtual server image storage unit 29 to the pool server 5 with respect to the virtual server startup unit 24 and perform the performance measurement virtual server for performance measurement.
- a method of instructing to start 100 can be used.
- a plurality of virtual servers such as the performance measurement virtual server 100 (VM31 to VM31n) for performance measurement may be activated.
- the virtual server activation unit 24 causes the business virtual servers 76 (VM11 to VM1i) and the business virtual servers 96 (VM21 to VM2j) to be placed on the migration source server 7 and the migration destination server 9 (SV21 to SV2m), respectively. It is in the activated state.
- the startup method is to copy the image of the business virtual server registered in the virtual server image storage unit 29 to the virtual server startup unit 24 on the migration source server 7 and the migration destination server 9 (SV21 to SV2m), A method of instructing to start the business virtual server 76 (VM11 to VM1i) and the business virtual server 96 (VM21 to VM2j) may be used.
- a plurality of virtual servers such as the business virtual server 76 (VM11 to VM1i) and the business virtual server 96 (VM21 to VM2j, VM81 to VM8x, VM91 to VM9y,...) May be activated.
- the business virtual server 76 (VM11 to VM1i), the business virtual server 96 (VM21 to VM2j), and the performance measurement virtual server 100 (VM31 to VM3n) described above can perform client processing or job scheduled processing, Generate a load. Then, it is assumed that these loads consume resources of the physical server (migration source server 7, migration destination server 9, or pool server 5).
- the operator performs a load adjustment instruction or a load reproduction instruction using an operation unit (not shown), and the performance information acquisition instruction unit 21 receives the instruction.
- the performance measurement virtual server 100 is one and the business virtual server 76 is one.
- FIG. 4 is a flowchart illustrating an example of the processing procedure of the load adjustment phase in the management server 4 of the present embodiment.
- the management server 4 when the performance information acquisition instruction unit 21 (FIG. 1) receives a load adjustment instruction from the operator, the load adjustment and reproduction instruction unit 22 (FIG. 1) is subjected to load adjustment. An instruction is given (step S101 in FIG. 4). Then, in response to the load adjustment instruction, the load adjustment and reproduction instruction unit 22 (FIG. 1) performs a performance measurement virtual on the pool server 5 (FIG. 1) with respect to the virtual server moving unit 25 (FIG. 1).
- the server 100 (FIG.
- the performance measurement virtual server 100 (FIG. 1) is moved from the pool server 5 (FIG. 1) to the source server 7 (FIG. 1) (step S103 in FIG. 4).
- the virtual server moving unit 25 (FIG. 1) is already realized by existing technologies such as operation management products and virtualization middleware products, and the implementation method is not particularly limited here.
- the load adjustment and reproduction instructing unit 22 (FIG. 1) transfers the business virtual server 76 (FIG. 1) on the source server 7 (FIG. 1) to the evacuation server 6 with respect to the virtual server moving unit 25 (FIG. 1).
- FIG. 1 Instructs to move up.
- the business virtual server 76 (FIG. 1) on the source server 7 (FIG. 1) is moved to the evacuation server 6 (FIG. 1) (step S105 in FIG. 4).
- the load adjustment and reproduction instruction unit 22 sends a performance information measurement instruction to the performance measurement virtual server 100 (FIG. 1) using the information transmission unit 26 (FIG. 1). (FIG. 1) (step S107 in FIG. 4).
- the performance information measurement instruction includes each resource amount of the business virtual server 76 (FIG. 1) and the setting information 130 shown in FIG.
- the performance measurement virtual server 100 starts the performance measurement process in response to the performance information measurement instruction (step S109 in FIG. 4). Details of the performance measurement processing in the performance measurement virtual server 100 (FIG. 1) will be described later.
- the management server 4 receives the information reception unit 27 from the performance measurement virtual server 100 (FIG. 1) on each movement source server 7 (FIG. 1).
- the processing capability index is received by (FIG. 1) and stored in the performance information storage unit 20 (FIG. 1) (step S111 in FIG. 4).
- the load adjustment and reproduction instruction unit 22 replaces the virtual server moving unit 25 (FIG. 1) with the performance measurement virtual server 100 (FIG. 1) on the source server 7 (FIG. 1) as a pool server. 5 (FIG. 1) is instructed to move up.
- the performance measurement virtual server 100 (FIG. 1) on the source server 7 (FIG. 1) is moved to the pool server 5 (FIG. 1) (step S113 in FIG. 4).
- the load adjustment and reproduction instruction unit 22 replaces the virtual server moving unit 25 (FIG. 1) with the business virtual server 76 (FIG. 1) on the save server 6 (FIG. 1).
- FIG. 1 Instructs to move up.
- the business virtual server 76 (FIG. 1) on the save server 6 (FIG. 1) is moved to the source server 7 (FIG. 1) (step S115 in FIG. 4).
- the load adjustment phase is completed, and the performance measurement process is performed without stopping the actual business service.
- FIG. 5 and FIG. 6 are flowcharts showing an example of the procedure of the performance measurement process at the time of load adjustment in the performance measurement virtual server 100 of this embodiment.
- the function of the performance measurement virtual server 100 of the present embodiment is realized by the computer executing the procedure shown below for the performance measurement program of the present embodiment. This flow is called from step S109 of the load adjustment process in the load adjustment phase of the management server 4 of the present embodiment in FIG.
- description will be made with reference to FIGS. 1, 3 to 6, and 13.
- the data processing method of the performance measurement virtual server 100 of this embodiment measures the load of a plurality of resources of a physical server (migration source server 7) and a virtual server (business virtual server 76) operating on the migration source server 7.
- Data processing method of the control device (performance measurement virtual server 100) that performs the control device (performance measurement virtual server 100) on the migration source server 7 and the virtual server that operates on the migration source server 7 Resource usage amount (step S221 in FIG. 5), a load is generated on the measurement target resource (step S205 in FIG. 5), and the measurement target resource depends on the load on the measurement target resource.
- the number of dependencies of the measurement target resource is calculated based on the number of resources on which the measurement target resource depends (step S in FIG. 5).
- step S213 in FIG. 5 rank the resources in descending order of the number of dependencies calculated as the measurement target resources for the plurality of resources
- step S3 in FIG. 6 select the measurement target resources from the plurality of resources in the ranked order
- step S303 in FIG. 6 While generating the load sequentially (step S303 in FIG. 6), the processing capacity index of the resource usage of the measurement target resource is adjusted (step S307 in FIG. 6).
- the performance measurement virtual server 100 is operated on the migration source server 7 instead of at least one virtual server running on the migration source server 7.
- the control device is realized (step S103 in FIG. 4), and the performance measurement virtual server 100 is replaced by at least one business virtual server 76 operating on the migration source server 7 serving as the migration source. 7 is generated (step S303 in FIG. 6), and the resource usage of the multiple resources of the migration source server 7 and the performance measurement virtual server 100 operated on the migration source server 7 is periodically acquired. (Step S321 in FIG. 6), the processing capacity index is adjusted (Step S307 in FIG. 6).
- the performance measurement virtual server 100 uses the resource usage of each acquired resource for resources that have been loaded up to the previous time other than the current measurement target resource. Process the resource usage so that the resource usage of the measurement target resource to which the load is applied this time is removed from the resource usage of the measurement target resource of the target virtual server set in advance.
- the capacity index is adjusted (step S307 in FIG. 6), and based on the adjusted processing capacity index, the measurement target resource is selected from the plurality of resources in the ranked order, and the load is sequentially generated (in FIG. 6).
- Step S309 whether the absolute value of the target resource usage from the acquired resource usage is within the allowable range (Step S313, step S315 in FIG. 6), and when it is determined that it is within the allowable range (YES in step S315 in FIG. 6), it corresponds to the target resource usage from the acquired resource usage
- the processing capability index to be estimated is estimated (step S319 in FIG. 6).
- the information receiving unit 103 measures the performance information transmitted from the management server 4 (FIG. 1) in step S107 of FIG.
- the instruction is received and stored in the reception information storage unit 121 (FIG. 3) (step S201 in FIG. 5).
- the measurement instruction unit 115 instructs the setting file reading unit 109 (FIG. 3) to read the parameters of the setting information 130 of FIG.
- the setting file reading unit 109 reads the setting parameters of the performance measurement virtual server 100 specified by the setting information 130 (FIG. 13) from the reception information storage unit 121, and the setting information storage unit 123. (FIG. 3) (step S203 in FIG. 5).
- the measurement instruction unit 115 instructs the load generation unit 107 (FIG. 3) to sequentially generate resource loads in units of resources.
- the load generation unit 107 refers to each resource flag of the setting information 130 (FIG. 13), and is designated by the setting information 130 (FIG. 13) with the resource designated to be measured.
- the job is processed with the initial processing capability index being input as an input, resulting in a resource load (step S205 in FIG. 5). Do nothing for resources that are not measured.
- step S205 of FIG. 5 as in the setting information 130 shown in FIG. 13, the load generation unit 107 activates the number of processes corresponding to the number of cores from the multiprocessor information, and a plurality of processes simultaneously load. Can be generated.
- the load generation unit 107 executes a load generation process or thread as a plurality of processes or threads, and the estimation unit (load adjustment unit 111) estimates a processing capability index of the virtual server in a multiprocessor environment. Can do.
- the job is a unit of work performed by an information processing apparatus represented by a general server, and the size of the job is defined as a processing capability index.
- the load can be adjusted by defining the number of numerical operations as the size of a job.
- FIG. 14 it is assumed that a load generation and a rest (sleep) are alternately repeated within a certain period, and the resource usage output by the physical server can be adjusted. This is an example for explanation, and a method for generating a target load is not limited to this method.
- the processing capacity index inherent in the server is 200
- the resource usage is 50%.
- the load generation period and the sleep period are alternately repeated at 500 ms.
- the resource usage is 25%.
- the load generation period is 250 ms and the sleep period is 750 ms, which are alternately repeated.
- the resource corresponds to a CPU, a memory, an NW, and an HDD, and is calculated as a resource usage amount or a usage rate.
- the usage rate can be determined from the resource usage of physical servers and virtual servers within a certain period.
- the NW can control the load generated in the same manner as the CPU by alternately inputting NW input / output and sleep processing per second for a certain period.
- the HDD can control the load generated in the same manner as the CPU by performing read / write and sleep processes per second for a certain period.
- the HDD can be an HDD that can be shared by each server via a network. Resources are not limited to these, and if there are other resources that depend on them, they are to be measured.
- the load generation period and the sleep period may be repeated at a shorter cycle. For example, it may be repeated alternately every 100 ms.
- the information receiving unit 103 loads the load information notification unit 74 (FIG. 1) of the management agent 70 (FIG. 1) on the source server 7 (FIG. 1).
- the resource usage of each resource is periodically received from 1) via the communication network 3 (FIG. 1) and stored in the load information storage unit 117 (FIG. 3).
- the load information collection unit 72 (FIG. 1) of the management agent 70 (FIG. 1) uses the resources of the migration source server 7 (FIG. 1) and the performance measurement virtual server 100 (FIG. 1).
- the acquired usage amount is periodically transmitted to the information receiving unit 103 (FIG. 3) of the management server 4 (FIG. 3) via the communication network 3 (FIG. 1) (step S221 in FIG. 5). ).
- the resource usage may be monitored every 1000 ms.
- the resource usage monitoring interval is shorter than the load generation period, the acquired resource usage may be incorrect. For this reason, it is preferable that the resource usage monitoring interval be equal to or longer than the load generation cycle obtained by adding the load generation period and the sleep period.
- the load determination unit 105 determines whether or not the load of the measurement target resource is stable (step S207 in FIG. 5). For example, first, the load determination unit 105 (FIG. 3) updates the resource usage of the measurement target resource in the load information storage unit 117 (FIG. 3) (which is periodically updated in step S221 of FIG. 5). Make sure. If not updated, the process returns to step S205 in FIG. If there is an updated resource usage amount and skips the number of skips set in the setting information 130 of FIG. 13, it is determined that the load is stable (YES in step S207 of FIG. 5), and the load The determination unit 105 (FIG. 3) employs the updated resource usage. If the number of times has not been reached, it is determined that it is not yet stable (NO in step S207 in FIG. 5), and the process returns to step S205 in FIG.
- the server Immediately after the load is applied, the server is not stable, and the effect of the load is not immediately reflected in the resource usage. Therefore, it is possible to obtain a stable and accurate value by skipping the specified number of skips. Can do.
- the resource usage may be monitored periodically to check whether it is stable or not, but the process of skipping a predetermined number of times may be simpler and lighter.
- the load determination unit 105 recognizes that the resource usage of the measurement target resource stored in the load information storage unit 117 (FIG. 3) has been updated, and the resource of another resource If it is determined that the usage amount is higher than before the load is generated, it is determined that there is a dependency. Then, the number of increasing resources is counted as the dependency level, and the dependency level of each resource is stored in the dependency information storage unit 127 (FIG. 3) in FIG. 15 (step S209 in FIG. 5).
- FIG. 15 shows the usage amount of each resource stored in the load information storage unit 117 (FIG. 3) and the corresponding dependency number. The resource usage amount of each resource and the dependency number may be stored in association with each other.
- step S205 the process proceeds to step S205 in FIG.
- steps S205 to S209 are repeated with another resource as the measurement target. If there are no remaining resources (YES in step S211 in FIG. 5), the process proceeds to the next step S213 in FIG. At this time, the reception processing of the resource usage in step S221 in FIG. 5 is also stopped, and the process proceeds to step S213 in FIG.
- the dependency relationship analysis unit 113 sorts the measurement results for each resource existing in the dependency information storage unit 127 in the order depending on the resources (descending order) (step S213 in FIG. 5). As described above, the dependency analysis processing is completed, and the dependency for each resource is obtained as shown in FIG.
- the measurement instruction unit 115 applies a load to the load generation unit 107 (FIG. 3) in numerical order (descending order) of the dependency frequency stored in the dependency information storage unit 127 (FIG. 3).
- a load generation instruction is issued (step S301 in FIG. 6). The reason for this is that if a load is applied in order from a resource with a high dependency frequency, when a load is applied to another resource with a low dependency frequency, the target load may be generated while absorbing the load depending on the load. This is because it can. This is because the target load will be exceeded later in ascending order.
- the load generation unit 107 (FIG. 3) refers to each resource flag of the setting information 130 in FIG. 13 and generates a load on the resource to be measured (step S303 in FIG. 6).
- a resource load is generated based on the initial processing capacity index set in the setting information 130.
- a resource load is generated based on the processing capability index updated in the processing described later. Do nothing for resources that are not measured.
- a processing capacity index is input to the load generation unit 107, a load of the performance measurement virtual server 100 is generated.
- the information receiving unit 103 In parallel with steps S303 to S317, the information receiving unit 103 (FIG. 3) periodically receives the load information notification unit 74 (FIG. 1) of the management agent 70 (FIG. 1) on the source server 7 (FIG. 1). The resource usage of each resource is received via the communication network 3 (FIG. 1) and stored in the load information storage unit 117 (FIG. 3).
- the load information collection unit 72 (FIG. 1) of the management agent 70 (FIG. 1) is operating on the migration source server 7 (FIG. 1) and the migration source server 7.
- the resource usage of the virtual server 100 (FIG. 1) acquired is periodically sent to the information receiving unit 103 (FIG. 3) of the performance measurement virtual server 100 (FIG. 3) via the communication network 3 (FIG. 1). It is assumed that the message is transmitted (step S321 in FIG. 6).
- the load determination unit 105 determines whether or not the load of the measurement target resource is stable (step S304 in FIG. 6). For example, first, the load determination unit 105 (FIG. 3) updates the resource usage of the measurement target resource in the load information storage unit 117 (FIG. 3) (updated periodically in step S321 in FIG. 6). Make sure. If not updated, the process returns to step S303 in FIG. If the updated resource usage amount exists and skips the number of skips set in the setting information 130 of FIG. 13, it is determined that the load is stable (YES in step S304 of FIG. 6), and the load The determination unit 105 (FIG. 3) employs the updated resource usage. If the number of times has not been reached, it is determined that it is not yet stable (NO in step S304 in FIG. 6), and the process returns to step S303 in FIG.
- the load determination unit 105 determines whether the fluctuation before and after the resource load is within the fluctuation range. For example, the load determination unit 105 (FIG. 3) compares the latest resource usage of the performance measurement virtual server 100 with the previous resource usage, and determines whether or not it is within the range of the initial adjustment swing of the setting information 130 of FIG. Determine. If it is within the range, it is further determined whether or not the setting information 130 shown in FIG. 13 can be continued (step S305 in FIG. 6). If the condition is not satisfied (NO in step S305 in FIG. 6), the process returns to step S303 in FIG.
- the load adjustment unit 111 (FIG. 3) is the first time, based on the initial processing capability index of the setting information 130 of FIG.
- the updated processing capability index is associated with the resource usage of the performance measurement virtual server 100.
- the resource usage of the measurement target is subtracted from the resource usage of each resource received from the management server 4 (FIG. 1).
- a processing capability index that generates a load corresponding to the resource usage amount is estimated and stored in the performance information storage unit 119 (FIG. 3).
- the following formula (1) is used for estimating the processing capacity index. If there is no resource usage of the measurement target data with reference to the intermediate information storage unit 125 (FIG. 3), the dependent resource usage of the intermediate information storage unit 125 (FIG. 3) is not used.
- Expression (1) defines a mathematical expression to be used in the load adjustment or reproduction phase of the present embodiment described above.
- the processing capacity index (NUM_TAR) of the business virtual server 76 (or business virtual server 96) is defined by the following equation from the dependency resource usage (P_DEP) of each measurement target.
- NUM_TAR NUM_BSE ⁇ ((P_TAR ⁇ P_DEP) / P_AVM) (1)
- P_DEP dependence resource usage
- the target load is the resource usage of the business virtual server 76 (or business virtual server 96).
- FIG. 16A there is no particular dependency when a load on the HDD I / O is generated.
- the generated processing capacity index itself is used.
- the HDD can be shared by each server via a network. Therefore, when a load is generated on the HDD I / O, a load is also generated on the NWI / O. Note that FIG. 16 shows that the load generated by the HDD I / O is a portion surrounded by a thick broken line.
- NWI / O_T (NWI / O generated by the virtual server) usage amount (L1 + L2) is set as NWI / O_T, and NWI / O_HDDI / O is generated by HDD I / O (L2).
- NWI / O_E of the NWI / O usage amount (L1) at the time of actual estimation is expressed by the following equation (2).
- NWI / O_E NWI / O_T- (NWI / O_HDDI / O) (2)
- FIG. 16C when estimating the CPU load, the CPU load (L4) when the HDD I / O load is generated and the NWI / O load are generated. CPU load (L5) is generated. Therefore, the processing capacity index that can output the resource usage of the part (L3) obtained by subtracting the parts (L4) and (L5) from the target load is estimated.
- FIG. 16C shows that the load generated by NWI / O is a portion surrounded by a thick alternate long and short dash line.
- CPU_T is the target CPU usage (CPU usage generated by the virtual server) (L3 + L4 + L5)
- CPU_NWI / O is CPU usage (L5) generated by NWI / O
- CPU_HDDI / O is HDDI / O.
- CPU_E CPU_T- (CPU_NWI / O + CPU_HDDI / O) Formula (3) From the above, it is possible to estimate the processing capability index for the target resource usage (step S307 in FIG. 6). That is, the load generation unit 107 (FIG. 3) adjusts the processing capability index so that the resource usage amount of the business virtual server 76 (or the business virtual server 96) becomes the updated processing capability index and the resource usage amount. .
- the load generation unit 107 (FIG. 3) performs processing based on the estimated resource processing capacity index, and as a result, generates a resource load of the performance measurement virtual server 100 (FIG. 1) (step S309 in FIG. 6). ). At this time, when a processing capability index is input to the load generation unit 107, a load on the performance measurement virtual server 100 is generated.
- the load determination unit 105 recognizes that the resource usage of the load information storage unit 117 (FIG. 3) has been updated, and performs measurement for the number of times of the setting information 130 in FIG. If this is the case (YES in step S311 in FIG. 6), the resource usage is adopted. If the updated resource usage does not exist in the load information storage unit 117 or does not reach the number of continuations (NO in step S311 in FIG. 6), the process returns to step S309 in FIG.
- Step S313 in FIG. 6 it is determined whether or not the load determination unit 105 (FIG. 3) satisfies the number of times that the processing capacity index has been adjusted to obtain the reference resource usage amount, that is, the maximum number of adjustments set in the setting information 130 of FIG. (Step S313 in FIG. 6). If the maximum number of adjustments is satisfied (YES in step S313 in FIG. 6), the error content is included in the result and transmitted to the management server 4 via the communication network 3 (FIG. 1), and step S111 in FIG. Returning to (step S319 in FIG. 6).
- step S313 in FIG. 6 When the determination in step S313 in FIG. 6 is NO, the load determination unit 105 (FIG. 3) performs the performance measurement virtual server 100 obtained as a result from the processing capability index and the execution processing for the processing capability index. To resource usage. Then, the load determination unit 105 determines whether or not it is within the allowable range of the resource usage that is the reference set in the setting information 130 in FIG. 13 (step S315 in FIG. 6). If the condition is satisfied (YES in step S315 in FIG. 6), the process proceeds to step S317 in FIG. If the condition is not satisfied (NO in step S315 in FIG. 6), the process returns to step S307 in FIG.
- step S315 in FIG. 6 determines whether the load adjustment unit 111 (FIG. 3) stores the processing capability index to be measured in the performance information storage unit 119 (FIG. 3), and is not the measurement target at that time. Are stored in the intermediate information storage unit 125 (FIG. 3). If there is another measurement target resource that has not yet generated a load (YES in step S317 in FIG. 6), the process returns to step S303 in FIG. 6, and the load of the target resource remains generated and another resource is generated. The following processing is performed on the measurement target. If there is no measurement target resource that has not yet generated a load (NO in step S317 in FIG. 6), the process proceeds to step S319 in FIG. At this time, the reception processing of the resource usage amount in step S321 in FIG. 6 is also stopped, and the process proceeds to step S319 in FIG.
- the information transmission unit 101 (FIG. 3) is obtained as a result of the processing capability index stored in the performance information storage unit 119 (FIG. 3). Is transmitted to the management server 4 (FIG. 1) via the communication network 3 (step S319 in FIG. 6).
- the load estimation process in the performance measurement virtual server 100 ends, and the process returns to step S111 in FIG.
- FIG. 7 is a flowchart illustrating an example of the processing procedure of the load reproduction phase in the management server 4 of the present embodiment.
- the management server 4 when the performance information acquisition instructing unit 21 (FIG. 1) receives a load reproduction instruction from the operator, the load reproduction and load instructing unit 22 (FIG. 1) reproduces the load.
- An instruction is given (step S401 in FIG. 7).
- the designation of the destination server 9 is accepted together with the load reproduction instruction.
- the load adjustment and reproduction instruction unit 22 (FIG.
- the performance measurement virtual server 100 (FIG. 1) performs a performance measurement virtual server on the pool server 5 (FIG. 1) with respect to the virtual server moving unit 25 (FIG. 1). 100 (FIG. 1) is instructed to move to each destination server 9 (FIG. 1) designated by the user. Reproduction processing is not performed on the servers other than the designated destination server 9 (FIG. 1). In accordance with the instruction, the performance measurement virtual server 100 (FIG. 1) is moved from the pool server 5 (FIG. 1) to the destination server 9 (FIG. 1) one by one (step S403 in FIG. 7).
- the load adjustment and reproduction instruction unit 22 sends a performance information measurement instruction to the performance measurement virtual server 100 (FIG. 1) using the information transmission unit 26 (FIG. 1). 1) (step S405 in FIG. 7).
- the performance information measurement instruction includes the processing capability index of the business virtual server 76 (FIG. 1) on the source server 7 (FIG. 1) estimated by the performance measurement virtual server 100 (FIG. 1). Yes.
- the performance measurement virtual server 100 (FIG. 1) reproduces the load in response to the performance information measurement instruction and performs the performance measurement process under the reproduced load (step S407 in FIG. 7). Details of the performance measurement processing in the performance measurement virtual server 100 (FIG. 1) will be described later.
- the management server 4 receives information from the performance measurement virtual server 100 (FIG. 1) on the destination server 9 (FIG. 1).
- the resource usage is received by the unit 27 (FIG. 1) and stored in the performance information storage unit 20 (FIG. 1) (step S409 in FIG. 7). This reception process is periodically repeated.
- the load reproduction process is stopped, and the process proceeds to the next step S411 in FIG.
- the load adjustment and reproduction instruction unit 22 replaces the virtual server moving unit 25 (FIG. 1) with the performance measurement virtual server 100 (FIG. 1) on the destination server 9 (FIG. 1) as a pool server. 5 (FIG. 1) is instructed to move up.
- the performance measurement virtual server 100 on the destination server 9 is moved to the pool server 5 (step S411 in FIG. 7).
- the information comparison unit 28 acquires the resource usage consumed on the destination server 9 (FIG. 1) in the performance information storage unit 20 (FIG. 1).
- the information comparison unit 28 also presents it on a display unit (not shown) or the like so that the amount of resource usage can be compared when it is performed on a plurality of destination servers 9 (SV21 to SV2m) (FIG. 1). (Step S413 in FIG. 7).
- the operator can determine to move to a physical server (movement destination server 9) that does not become a heavy load during movement.
- FIG. 8 is a flowchart showing an example of the procedure of the performance measurement process at the time of load reproduction in the performance measurement virtual server 100 of this embodiment.
- the function of the performance measurement virtual server 100 of the present embodiment is realized by the computer executing the procedure shown below for the performance measurement program of the present embodiment. This flow is called from step S407 of the load reproduction process in the load reproduction phase of the management server 4 of the present embodiment in FIG.
- the information receiving unit 103 receives the performance information measurement instruction transmitted from the management server 4 (FIG. 1) in step S405 of FIG.
- the received information is stored in the received information storage unit 121 (FIG. 3) (step S501 in FIG. 8).
- the measurement instruction unit 115 instructs the setting file reading unit 109 (FIG. 3) to read the parameters of the setting information 130 of FIG.
- the setting file reading unit 109 reads the setting parameters of the performance measurement virtual server 100 specified by the setting information 130 (FIG. 13) from the reception information storage unit 121, and the setting information storage unit 123. (FIG. 3) is stored (step S503 in FIG. 8).
- the measurement instruction unit 115 instructs the load generation unit 107 (FIG. 3) to generate a load so as to apply a load to the resource.
- the load generation unit 107 performs processing based on the processing capability index of the setting information 130 (FIG. 13) stored in the setting information storage unit 123 (FIG. 3) to generate a resource load. (Step S505 in FIG. 8).
- the load is applied all at once regardless of the order of loading the resources.
- a load on the performance measurement virtual server 100 is generated.
- step S505 in FIG. 8 as in the setting information 130 shown in FIG. 13, the load generation unit 107 activates the number of processes corresponding to the number of cores from the multiprocessor information, and a plurality of processes simultaneously load. Can be generated. That is, the load generation unit 107 executes a load generation process or thread as a plurality of processes or threads. Then, the estimation unit (load adjustment unit 111) can estimate the processing capability index of the virtual server in a multiprocessor environment.
- the information receiving unit 103 performs load information notification unit 94 (FIG. 1) of the management agent 90 (FIG. 1) on the destination server 9 (FIG. 1).
- the resource usage is periodically received via the communication network 3 (FIG. 1), and the data is stored in the load information storage unit 117 (FIG. 3) (step S521 in FIG. 8).
- the load determination unit 105 (FIG. 3) checks whether the resource usage of the load information storage unit 117 (FIG. 3) has been updated (step S507 in FIG. 8).
- the load determination unit 105 (FIG. 3) determines that the updated resource usage is present in the load information storage unit 117 (FIG. 3) (YES in step S507 in FIG. 8)
- the load information storage unit The latest resource usage is read from 117 (FIG. 3) and transmitted to the management server 4 (FIG. 1) via the communication network 3 (FIG. 1) using the information transmission unit 101 (FIG. 3) (FIG. 8). Step S509).
- the latest resource usage amount of the load information storage unit 117 (FIG. 3) and the absolute value of the previous resource usage amount are acquired, and are within the amplitude specified in the setting information 130 of FIG. 13, and When the number of continuations specified by the setting information 130 in FIG. 13 is satisfied (YES in step S511 in FIG. 8), this process ends, and the process returns to step S409 in FIG. At this time, the resource usage reception process in step S521 in FIG. 8 is also stopped. Thus, the performance measurement process in the performance measurement virtual server 100 ends, and the process returns to step S409 in FIG. 7 described above. If the condition is not satisfied (NO in step S511 in FIG. 8), the process returns to step S507 in FIG.
- a dependency is applied to another resource due to I / O processing or the like.
- Analyze (define these as dependent loads), and use the results to estimate the load for the resource usage minus the dependent load from the target load. Can be adjusted.
- ⁇ ⁇ In particular, analyze the dependency of another resource that occurs when a load is applied to the resource to be measured by looking at the amount of use of the other resource and classify whether there is a resource with a high dependency number.
- the load applied to another resource when the load is applied in the order depending on the resource is stored.
- the load corresponding to the above-described load subtracted from the target resource usage is reproduced. By repeating this, the target resource usage can be generated.
- FIG. 9 is a schematic block diagram showing the configuration of the information processing system 2 according to the embodiment of the present invention.
- the information processing system 2 of this embodiment is different from the information processing system 1 of the above embodiment in that it has a configuration for determining a physical server having an appropriate load from among physical servers that are migration destination candidates. .
- the performance measurement virtual server 300 is operated on the migration destination server 200 to be verified, and the load generation unit 107 (FIG. 10) performs the ranking unit (dependency analysis in FIG. 10).
- the resource reception unit 129 acquires the information reception unit 103 (FIG. 10) while selecting the measurement target resource from the plurality of resources in the order ranked by the unit 113) and sequentially generating loads.
- the resource usage of the resource to which the load generation unit 107 has applied load up to the previous time other than the current measurement target resource, and the measurement target to which the load generation unit 107 has applied the current load The resource usage amount obtained by removing the resource usage amount from the resource usage amount corresponding to the empty capacity of the target physical server set in advance, Further, the processing capability index is adjusted so that the control device (performance measurement virtual server 300) determines that the load generating unit 107 is ranked based on the processing capability index adjusted by the load adjusting unit 111 (FIG. 10).
- the measurement target resource is selected from a plurality of resources in the order ranked by the attaching unit (dependency relationship analyzing unit 113), and the load is sequentially generated.
- a determination unit load determination unit 105 in FIG. 10 that determines whether or not the absolute value of the resource usage corresponding to the empty capacity is within the allowable range and the load determination unit 105 are within the allowable range. Is determined, the processing corresponding to the resource usage corresponding to the empty capacity of the destination server 200 from the resource usage acquired by the information receiving unit 103 Comprising estimation unit to estimate a force indicator (the empty resource adjustment unit 129), the.
- the information processing system 2 of the present embodiment includes a management server 8 having an empty resource acquisition instruction unit 23 instead of the load adjustment and reproduction instruction unit 22 of the information processing system 1 of the above embodiment of FIG. 1 includes a pool server 5 having a plurality of performance measurement virtual servers 300 instead of the plurality of performance measurement virtual servers 100 of the information processing system 1 of the above embodiment of FIG. They are connected via the communication network 3.
- the plurality of destination servers 200 (SV31,..., SV3b, b are natural numbers) are the same as the destination servers 9 (SV21,..., SV2m, m are natural numbers) of the information processing system 1 in FIG.
- the management agent 210 includes a load information collection unit 212 and a load information notification unit 214.
- the pool server 5 and the migration destination server 200 are physical servers that can arrange virtual servers and are provided with a function that can move between the servers. is there.
- the business virtual server 216 is equipped with an application that performs processing such as web, mail, and backup, and performs such processing.
- the performance measurement virtual server 300 of the present embodiment operates.
- a plurality (a pieces) of the performance measurement virtual server 300 shown in FIG.
- the management agent 210 of the destination server 200 includes a load information collection unit 212 and a load information notification unit 214, and has a role of instructing to start or end these functions.
- the business virtual server 216 operates on the migration destination server 200.
- a plurality (k1, k2,..., Kb) of business virtual servers 216 may be operated on each migration destination server 200 (other than VM41 to VM4k are omitted in the figure).
- the performance information acquisition instruction unit 21 issues an empty resource acquisition instruction to the empty resource acquisition instruction unit 23.
- the operator instructs the management server 8 of the information processing system 2 to acquire empty resources using, for example, an operation unit (not shown). Can do.
- the performance information acquisition instruction unit 21 instructs the empty resource acquisition instruction unit 23 according to the instruction. At this time, the operator specifies the destination server 200 to be verified and accepts it.
- the empty resource acquisition instruction unit 23 of the management server 8 receives the empty resource acquisition instruction from the performance information acquisition instruction unit 21. Then, according to the instruction, the free resource acquisition instruction unit 23 instructs the virtual server moving unit 25 to move the performance measurement virtual server 300 from the pool server 5 to the movement destination server 200 to be verified. Furthermore, the empty resource acquisition instruction unit 23 transmits a performance information measurement instruction to the performance measurement virtual server 300 moved to the movement destination server 200 using the information transmission unit 26 via the communication network 3.
- the performance information measurement instruction is the same as in the above embodiment.
- each unit of the management server 8 described above are realized by executing a computer program on a computer.
- This computer program may be recorded on a computer-readable storage medium.
- the recording medium is not particularly limited, and various forms can be considered.
- the program may be loaded from a recording medium into a computer memory, or downloaded to a computer through a network and loaded into the memory.
- FIG. 10 is a functional block diagram showing the configuration of the performance measurement virtual server 300 of this embodiment.
- the performance measurement virtual server 300 according to the present embodiment further includes an air resource adjustment unit 129 in addition to the configuration of the performance measurement virtual server 100 according to the above embodiment of FIG. 3.
- the figure shows the performance measurement virtual server VM51, the other performance measurement virtual server VM5a has the same configuration.
- the air resource adjustment unit 129 receives information while the load generation unit 107 selects a measurement target resource from a plurality of resources in the order ranked by the ranking unit (dependency relationship analysis unit 113) and sequentially generates a load. Based on the resource usage amount of each resource acquired by the unit 103, the resource usage amount of the resource to which the load generation unit 107 has applied a load up to the previous time other than the current measurement target resource, and the load generation unit 107 the current load The processing capability index is adjusted so that the resource usage amount of the measurement target resource multiplied by the resource usage amount is removed from the resource usage amount corresponding to the empty capacity of the target physical server set in advance.
- the load determination unit 105 determines that the free resource adjustment unit 129 is within the allowable range, the resource use amount corresponding to the free capacity of the physical server from the resource use amount acquired by the information reception unit 103. Estimate the processing capacity index corresponding to.
- the functions of the units of the performance measurement virtual server 300 described above are realized by executing a computer program on a computer.
- the computer program according to the present embodiment causes a computer for realizing the performance measurement virtual server 300 to operate the performance measurement virtual server 300 on the migration destination server 200 to be verified, in addition to the procedure of the above embodiment.
- the load generation procedure select the measurement target resource from the plurality of resources in the order in which they were ranked in the ranking procedure, and generate the load in order, and the resource usage of each resource acquired in the acquisition procedure Based on, the resource usage of the resource that was loaded in the procedure that generates load up to the previous time other than the current measurement target resource, and the resource usage of the measurement target resource that was loaded this time in the procedure that generates load Whether the amount is a resource usage corresponding to the empty capacity of the target server 200 that is a preset target In the order of ranking in the ranking procedure in the procedure of adjusting the processing capacity index so that it becomes the removed resource usage, and the procedure of generating load based on the processing capacity index adjusted by the adjusting procedure The absolute value of the resource usage corresponding to the empty capacity of the destination server 200 is within the allowable range from the resource usage acquired in the acquisition procedure while selecting the measurement target resource from the plurality of resources and generating the load sequentially.
- this program When it is determined that it is within the allowable range according to the procedure for determining whether or not it is within the allowable range by the determination procedure, it corresponds to the empty capacity of the destination server 200 from the resource usage acquired in the acquisition procedure And a procedure for estimating a processing capacity index corresponding to the resource usage.
- this program is referred to as a performance measurement program.
- the computer program of this embodiment may be recorded on a computer-readable storage medium.
- the recording medium is not particularly limited, and various forms can be considered.
- the program may be loaded from a recording medium into a computer memory, or downloaded to a computer through a network and loaded into the memory.
- 11 and 12 are flowcharts illustrating an example of the operation of the information processing system 2 of the present embodiment.
- the data processing method of the control device (performance measurement virtual server 300) of the present embodiment is the same as the data processing method of the control device of the above-described embodiment, in which the performance measurement virtual server 300 is operated on the migration destination server 200 to be verified.
- the measurement target resource is selected from a plurality of resources in the order of ranking, and a load is generated in sequence (step S303 in FIG. 12), based on the acquired resource usage of each resource.
- the resource usage of the resource that has been loaded up to the previous time other than the current measurement target resource and the resource usage of the measurement target resource that has been loaded this time are set in the empty space of the target physical server that has been set in advance.
- the processing capacity index is adjusted so as to be the resource usage removed from the resource usage corresponding to the capacity (see FIG. 12).
- S701 based on the adjusted processing capability index, select a measurement target resource from a plurality of resources in the order of ranking (step S317 in FIG. 12), and sequentially generate loads (step in FIG. 12).
- S309) it is determined whether or not the absolute value of the resource usage corresponding to the empty capacity of the physical server is within the allowable range from the acquired resource usage (step S703 to step S707 in FIG. 12), and the allowable range When it is determined that it falls within the range (YES in step S707 in FIG.
- the processing capacity index corresponding to the resource usage corresponding to the empty capacity of the destination server 200 is estimated from the acquired resource usage (FIG. 12). 12 step S709). That is, the load generation unit 107 (FIG. 10) adjusts the processing capacity index so that the processing capacity index for the free resource is obtained from the reference processing capacity index.
- the migration destination server 200 has one performance measurement virtual server 300 and a plurality of business virtual servers 216 (VM41 to VM4k). It is assumed that empty resources of the destination server 200 are acquired.
- the management server 8 two types of virtual server images, a performance measurement virtual server 300 and a business virtual server 216, are registered in the virtual server image storage unit 29.
- the virtual server activation unit 24 activates the performance measurement virtual server 300 on the pool server 5 in advance.
- a plurality of performance measurement virtual servers 300 (VM51 to VM5a) may be activated.
- a plurality of business virtual servers 216 are activated. It is assumed that a load is generated by a client process or a job scheduled process and the resources of the destination server 200 are consumed.
- a plurality of virtual servers for business use 216 (VM41 to VM4k, VM61 to VM6k,..., VM71 to VM7k) may be started.
- the operator performs an empty resource acquisition instruction using an operation unit (not shown), and the performance information acquisition instruction unit 21 receives the instruction.
- the maximum capacity of each resource use amount itself is known from the results such as general benchmark results.
- the performance information acquisition instruction unit 21 (FIG. 9) receives an empty resource acquisition instruction from the operator, the performance information acquisition instruction unit 21 (FIG. 9) instructs the empty resource acquisition instruction.
- An empty resource acquisition instruction is issued to the unit 23 (FIG. 9) (step S601 in FIG. 11).
- the empty resource acquisition instruction unit 23 sends a performance measurement virtual server 300 (FIG. 9) on the pool server 5 to the virtual server migration unit 25 (FIG. 9). Is moved to the destination server 200 (FIG. 9) designated by the user. Note that no measurement is performed on the destination server 200 that is not designated by the user.
- the performance measurement virtual server 300 is moved from the pool server 5 (FIG. 9) to the destination server 200 (FIG. 9) (step S103 in FIG. 11).
- the empty resource acquisition instruction unit 23 (FIG. 9) issues a performance information measurement instruction to the performance measurement virtual server 300 (FIG. 9) using the information transmission unit 26 (FIG. 9) (FIG. 9). Step S107). Details of the performance measurement process in the performance measurement virtual server 300 (FIG. 9) will be described later.
- the management server 8 When the performance measurement process (step S603 in FIG. 11) in the performance measurement virtual server 300 (FIG. 9) ends, the management server 8 performs the performance measurement virtual server 300 (FIG. 9) on each destination server 200 (FIG. 9). 9) to the information receiving unit 27 (FIG. 9) receives the processing capability index. And the processing capacity parameter
- the information comparison unit 28 acquires the processing capability index measured by the destination server 200 (FIG. 9) in the performance information storage unit 20 (FIG. 9). Then, when the information comparison unit 28 further performs measurement processing for a plurality of destination servers 200 (SV31 to SV3b) (FIG. 9), the information comparison unit 28 compares the size of the processing capability index for each destination server 200. It is presented on a display unit (not shown) or the like so that it can be done (step S605 in FIG. 11). As a result, the operator can determine whether the migration destination server 200 (SV31 to SV3b) has available resources by the size of the processing capability index.
- the management server 8 sequentially operates the performance measurement virtual server 300 on the destination server 200 as a plurality of destination candidates, and uses the estimation unit (load adjustment) as the verification destination server 200.
- a selection unit (not shown) for selecting the destination server 200 based on the processing capability index obtained by the unit 111).
- the operator uses the operation unit (not shown) to instruct to select the destination server 200. be able to.
- a condition may be set for the processing capability index, and a destination candidate that satisfies the condition may be automatically selected as the destination server 200.
- FIG. 12 is a flowchart illustrating an example of a load estimation process procedure of the performance measurement process in the performance measurement virtual server 300 according to the present embodiment.
- the function of the performance measurement virtual server 300 of the present embodiment is realized by the computer executing the procedure shown below for the performance measurement program of the present embodiment.
- description will be made with reference to FIGS. 10 and 12.
- the measurement instruction unit 115 applies a load to the load generation unit 107 (FIG. 10) in the numerical order (descending order) of the dependency frequency stored in the dependency information storage unit 127 (FIG. 10).
- a load generation instruction is issued (step S301 in FIG. 12). The reason for this is that if a load is applied in order from a resource with a high dependency frequency, when a load of another resource with a low dependency frequency is applied, the target load may be generated while absorbing the load depending on the load. This is because it can. This is because the target load will be exceeded later in ascending order.
- the strength of the load to be generated is defined as a processing capability index, and a method of repeating load generation and rest alternately within a certain period as shown in FIG. 14 can adjust the output resource usage.
- the load generation unit 107 (FIG. 10) refers to each resource flag specified in the setting information 130 in FIG. 13 and generates a load on the resource to be measured (step S303 in FIG. 12).
- a resource load is generated based on the initial processing capacity index set in the setting information 130.
- a resource load is generated based on the processing capability index updated in the processing described later. Do nothing for resources that are not measured.
- a processing capacity index is input to the load generation unit 107, a load of the performance measurement virtual server 100 is generated.
- step S303 in FIG. 12 as in the setting information 130 shown in FIG. 13, the load generation unit 107 activates the number of processes corresponding to the number of cores from the multiprocessor information, and a plurality of processes simultaneously load. Can be generated. That is, the load generation unit 107 executes a load generation process or thread as a plurality of processes or threads. Then, the estimation unit (load adjustment unit 111) can estimate the processing capability index of the virtual server in a multiprocessor environment.
- the resources correspond to CPU, memory, NW, and HDD, and are calculated as resource usage or usage rate.
- the usage rate can be determined from the resource usage of physical servers and virtual servers within a certain period.
- the NW can control the load generated in the same manner as the CPU by alternately inputting NW input / output and sleep processing per second for a certain period.
- the HDD can control the load generated in the same manner as the CPU by performing read / write and sleep processes per second for a certain period. Resources are not limited to these, and if there are other resources that depend on them, they are to be measured.
- the information receiving unit 103 performs the load information notification unit 214 (FIG. 9) of the management agent 210 (FIG. 9) on the destination server 200 (FIG. 9).
- the resource usage is periodically received via the communication network 3 (FIG. 9) and stored in the load information storage unit 117 (FIG. 10).
- the load information collection unit 212 (FIG. 9) of the management agent 210 (FIG. 9) operates on the migration destination server 200 (FIG. 9) and the migration destination server 200.
- What acquired the resource usage of the measurement virtual server 300 (FIG. 9) and the business virtual server 216 (FIG. 9) is sent to the information receiving unit 103 (FIG. 10) of the performance measurement virtual server 300 (FIG. 10). It is assumed that the data is periodically transmitted via the communication network 3 (FIG. 9) (step S721 in FIG. 12).
- the load determination unit 105 determines whether or not the load of the measurement target resource is stable (step S304 in FIG. 12). For example, first, the load determination unit 105 (FIG. 10) updates the resource usage of the measurement target resource in the load information storage unit 117 (FIG. 10) (updated periodically in step S721 in FIG. 12). Make sure. If not updated, the process returns to step S303 in FIG. If there is an updated resource usage amount and skips the number of skips set in the setting information 130 of FIG. 13, it is determined that the load is stable (YES in step S304 of FIG. 12), and the load The determination unit 105 (FIG. 10) employs the updated resource usage. If the number of times has not been reached, it is determined that it is not yet stable (NO in step S304 in FIG. 12), and the process returns to step S303 in FIG.
- the load determination unit 105 compares the latest resource usage of the performance measurement virtual server 300 with the previous resource usage, and determines whether it is within the range of the initial adjustment swing of the setting information 130 of FIG. 13. If it is within the range, it is determined whether or not the setting information 130 shown in FIG. 13 can be continued (step S305 in FIG. 12). If the condition is not satisfied (NO in step S305 in FIG. 12), the process returns to step S303 in FIG.
- the load adjustment unit 111 (FIG. 10) is the first time, based on the initial processing capability index of the setting information 130 of FIG.
- the updated processing capability index is associated with the resource usage of the performance measurement virtual server 300.
- the processing capacity index is adjusted so that the resource usage amount becomes the reference of the setting information 130 in FIG.
- the following equation (4) is used (step S701 in FIG. 12).
- Expression (4) defines a mathematical expression to be used in the load adjustment or reproduction phase of the present embodiment described above.
- the reference processing capability index (NUM_BSE) is set so that the reference resource usage (P_BSE) is obtained from the load information (P_AVM) of the performance measurement virtual server 300 output by the first processing capability index (NUM_FST). It is what defines what was adjusted to.
- NUM_BSE NUM_FST ⁇ (P_BSE / P_AVM) Expression (4)
- the load generation unit 107 (FIG. 10) generates a resource load of the performance measurement virtual server 300 based on the processing capability index (step S309 in FIG. 12). At this time, when a processing capability index is input to the load generation unit 107, a load on the performance measurement virtual server 100 is generated. Then, the load determination unit 105 (FIG. 10) recognizes that the resource usage of the load information storage unit 117 (FIG. 10) has been updated, and performs the measurement for the number of times of the setting information 130 of FIG. If this is the case (YES in step S703 of FIG. 12), the resource usage is adopted. If the updated resource usage does not exist in the load information storage unit 117 or does not reach the number of continuations (NO in step S703 in FIG. 6), the process returns to step S701 in FIG.
- the load determination unit 105 determines whether or not the number of times that the processing capacity index has been adjusted to obtain the reference resource usage, that is, whether or not the maximum number of adjustments set in the setting information 130 of FIG. Step S705 in FIG. 12). If the maximum number of adjustments is satisfied (YES in step S705 in FIG. 12), the error content is included in the result and transmitted to the management server 8 (FIG. 9) via the communication network 3 (FIG. 1). The process returns to step S111 (step S319 in FIG. 12).
- step S705 of FIG. 12 determines whether it is within the allowable range of the resource usage that is the set reference. If the condition is satisfied (YES in step S707 in FIG. 12), the process proceeds to the next step S709 in FIG. If the condition is not satisfied (NO in step S707 in FIG. 12), the process returns to step S701 in FIG.
- the capacity index is estimated from the processing capacity index serving as a reference by using the following formula (5). If the resource usage of the measurement target data does not exist with reference, the resource usage of the intermediate information storage unit 125 is not used.
- the following formula (5) defines a formula to be used in the load adjustment or reproduction phase of the present embodiment described above.
- the resources of the entire server including the resource usage of the host (P_SV), the resource usage of the virtual server other than the performance measurement virtual server ( ⁇ P_VM *), P_SV, and P_VM
- P_CAP resource usage amount for the free capacity is obtained by subtracting the resource usage amount (P_AVM) of the current performance measurement virtual server from the usage amount (P_ALL).
- * asterisk means all related servers.
- P_CAP P_ALL ⁇ ⁇ (P_SV + ⁇ P_VM *) ⁇ P_AVM ⁇ Expression (5)
- the target load is the resource usage when the empty resources of the destination server 200 excluding the load of the business virtual server 216 (FIG. 10) are used up.
- the load generated by the HDD I / O is a portion surrounded by a thick broken line
- the load generated by the NWI / O is a portion surrounded by a thick one-dot chain line.
- HDDI / O_M is the HDD I / O usage amount (L1 + L2) for the maximum capacity on the physical server
- HDDI / O_VM is the HDD I / O usage amount (L1) generated by the business virtual server
- the physical server The HDDI / O_E of the HDDI / O usage amount (L2) for the above empty capacity is represented by the following equation (6).
- HDDI / O_E HDDI / O_M-HDDI / O_VM (6)
- the processing capacity index corresponding to the resource usage of the part (L5) obtained by subtracting the resource usage of the part (L3) used by the business virtual server (L3) from the target load is estimated. .
- NWI / O_M is the NWI / O usage amount (L3 + L4 + L5) for the maximum capacity on the physical server
- NWI / O_HDDI / O is the NWI / O usage amount (L4) generated by the HDD I / O load
- NWI / O_VM is the NWI / O usage (L3) generated by the business virtual server.
- NWI / O_E of the NWI / O usage amount (L5) corresponding to the empty capacity on the physical server is expressed by the following equation (7).
- NWI / O_E NWI / O_M- ⁇ NWI / O_HDDI / O + NWI / O_VM ⁇ (7)
- CPU_M is the CPU usage (L7 + L8 + L9 + L10) for the maximum capacity on the physical server
- CPU_HDDI / O is the CPU usage (L9) generated by the load of HDDI / O
- CPU_NWI / O is NWI / O.
- CPU_VM is a CPU usage amount (L7) generated by the business virtual server.
- CPU_E of the CPU usage (L10) corresponding to the empty capacity on the physical server is expressed by the following equation (8).
- CPU_E CPU_M- ⁇ CPU_NWI / O + CPU_HDDI / O + CPU_VM ⁇ (8) From the above, it is possible to estimate the processing capacity index for the target resource usage (step S709 in FIG. 12).
- the load adjustment unit 111 (FIG. 10) stores the processing capability index to be measured in the performance information storage unit 119 (FIG. 10), and the resource usage other than the measurement target at that time is the intermediate information storage unit 125 (FIG. 10). To remember. If there is a measurement target resource that has not yet generated a load (YES in step S317 in FIG. 12), the process returns to step S303 in FIG. 12, stops the target measurement, and sets another resource as the measurement target. . If there is no measurement target resource that has not yet generated a load (NO in step S317 in FIG. 12), the process proceeds to step S711 in FIG. At this time, the reception processing of the resource usage in step S721 in FIG. 12 is also stopped, and the process proceeds to step S711 in FIG.
- the free resource adjustment unit 129 calculates the resource usage corresponding to the free capacity, estimates the processing capacity index corresponding to the free capacity, and the performance information storage unit 119 (FIG. 10). (Step S711 in FIG. 12). Then, the information transmission unit 101 is used to transmit the processing capability index stored in the performance information storage unit 119 (FIG. 10) to the management server 8 as a result (step S319 in FIG. 12). Thus, the load estimation process in the performance measurement virtual server 300 ends, and the process returns to step S111 in FIG.
- the same effect as that of the information processing system 1 of the above embodiment can be obtained, and when a load is applied to a certain resource on the measurement target server.
- Dependency analysis in which another resource is loaded by I / O processing or the like is performed (these are defined as dependency loads).
- estimate the load for the resource usage by subtracting the dependent load from the target load, and adjust the measurement program so that it becomes a processing capacity index that can generate the load for the subtracted resource usage. It is possible to estimate the resource usage corresponding to the free capacity with an accuracy close to the target.
- By analyzing the dependency relationship between resources in this way it is possible to estimate a load close to the target resource usage, and the accuracy of the estimated load is improved.
- NUM_CAP NUM_BSE ⁇ ((P_CAP ⁇ P_DEP) / P_AVM) (9)
- the load generation unit 107 assumes that the resource itself is a CPU, memory, NWI / O, and HDD I / O. In addition, other dependent resources can be observed. Furthermore, if it is possible to adjust the load of those resources, the number of resources is not limited to the above-described resources, and the number of resources may be repeated. Then, the performance measurement virtual server 100 can perform dependency analysis between resources, adjust the processing capacity index, generate a load, and estimate the target processing capacity index. According to this configuration, the present invention can be applied to various resources.
- the load generation unit 107 assumes that the resource itself is a CPU, memory, NWI / O, and HDD I / O. In addition, other dependent resources can be observed. Furthermore, if it is possible to adjust the load of those resources, the number of resources is not limited to the above-described resources, and the number of resources may be repeated. Then, the performance measurement virtual server 100 can perform dependency analysis between resources, adjust the processing capacity index, generate a load, and estimate the target processing capacity index. According to this configuration, the present invention can be applied to various resources.
- the load generation unit 107 assumes that the resource itself is a CPU, memory, NWI / O, and HDD I / O.
- other dependent resources can be observed.
- the number of resources is not limited to the above-described resources, and the number of resources may be repeated.
- the performance measurement virtual server 300 can perform dependency analysis between resources, adjust the processing capacity index, generate a load, and estimate the processing capacity index of the target load. According to this configuration, the present invention can be applied to various resources.
Abstract
Description
物理サーバおよび前記物理サーバ上で稼働する仮想サーバの複数のリソースのリソース使用量を取得する取得手段と、
計測対象リソースに負荷を発生させる負荷発生手段と、
前記計測対象リソースに前記負荷をかけることで、前記計測対象リソースが依存しているリソースを求め、前記計測対象リソースが依存している前記リソースの数に基づいて、前記計測対象リソースの依存度数を算出する依存度数算出手段と、
複数の前記リソースについて前記計測対象リソースとしてそれぞれ算出された前記依存度数が大きい順に前記リソースに順位付けする順位付け手段と、
前記順位付け手段により順位付けされた順に複数の前記リソースから前記計測対象リソースを選択し、前記負荷発生手段により順次負荷を発生させながら、前記計測対象リソースのリソース使用量の処理能力指標を調整する調整手段と、を備える。
物理サーバおよび前記物理サーバ上で稼働する仮想サーバの複数のリソースのリソース使用量を取得する手順と、
計測対象リソースに負荷を発生させる手順と、
前記計測対象リソースに前記負荷をかけることで、前記計測対象リソースが依存している前記リソースを求め、前記計測対象リソースが依存している前記リソースの数に基づいて、前記計測対象リソースの依存度数を算出する手順と、
複数の前記リソースについて前記計測対象リソースとしてそれぞれ算出された前記依存度数が大きい順に前記リソースに順位付けする手順と、
順位付けされた順に複数の前記リソースから前記計測対象リソースを選択し、順次負荷を発生させながら、前記計測対象リソースのリソース使用量の処理能力指標を調整する手順と、を実行させる。
物理サーバおよび前記物理サーバ上で稼働する仮想サーバの複数のリソースの負荷を計測する制御装置のデータ処理方法であって、前記制御装置が、
前記物理サーバおよび前記物理サーバ上で稼働する前記仮想サーバの複数の前記リソースのリソース使用量を取得し、
計測対象リソースに負荷を発生させ、
前記計測対象リソースに前記負荷をかけることで、前記計測対象リソースが依存しているリソースを求め、前記計測対象リソースが依存している前記リソースの数に基づいて、前記計測対象リソースの依存度数を算出し、
複数の前記リソースについて前記計測対象リソースとしてそれぞれ算出された前記依存度数が大きい順に前記リソースに順位付けし、
順位付けされた順に複数の前記リソースから前記計測対象リソースを選択して、順次負荷を発生させながら、前記計測対象リソースのリソース使用量の処理能力指標を調整する。
以下、本発明の実施の形態について、図面を用いて説明する。尚、すべての図面において、同様な構成要素には同様の符号を付し、適宜説明を省略する。
図1は、本発明の実施の形態に係る情報処理システム1の構成を示す概略ブロック図である。
本発明の実施の形態に係る情報処理システム1では、一台の物理的なサーバコンピュータ(以下、「物理サーバ」と呼ぶ)を複数台の仮想的なコンピュータ(以下、「仮想サーバ」と呼ぶ)に分割し、各仮想サーバに異なるOS(Operating System)やアプリケーションを動作させるサーバ仮想化技術を用いて、複数の物理サーバの資源を効率よく利用する。
また、本発明は、監視ミドルウェア製品に実装し、物理サーバ上で稼働する仮想サーバの運用を効率的に行うデータセンター事業に適用可能である。
この性能情報計測指示は、図13に示される設定情報130と、性能計測用仮想サーバ100の各リソース量の情報が含まれる。設定情報130は、運用者により設定することができ、設定画面などから操作部を利用して設定したパラメータを受け付けてもよいし、設定ファイルの形式で受け付けてもよい。
基準となるリソース使用量(%または数値)は、リソースごとに設定されてもよく、他の仮想サーバに影響を与えない程度の小さい負荷で、基準となるリソース使用量である。最大調整回数(回)は、リソースごとに設定されてもよく、基準になるリソース使用量にするための調整回数である。
CPUリソースフラグ、メモリリソースフラグ、NWリソースフラグ、HDDリソースフラグは、それぞれCPU、メモリ、NW、およびHDDリソースの計測を実施するか否かを示す。CPUとメモリリソースでは、計測を実施するか否かを示し、NWおよびHDDリソースでは、入力または出力か、あるいは、全てかを示す。
これらの設定は、後述する処理で使用される。
仮想サーバ移動部25は、上述したように、負荷調整および再現指示部22の指示に従い、各仮想サーバを移動する。
本実施形態の制御装置(性能計測用仮想サーバ100)は、物理サーバ(移動元サーバ7または移動先サーバ9)および物理サーバ上で稼働する仮想サーバ(業務用仮想サーバ76または業務用仮想サーバ96)の複数のリソース(不図示)のリソース使用量を取得する取得部52と、計測対象リソースに負荷を発生させる負荷発生部54と、計測対象リソースに負荷をかけることで、計測対象リソースが依存しているリソースを求め、計測対象リソースが依存しているリソースの数に基づいて、計測対象リソースの依存度数を算出する依存度数算出部56と、複数のリソースについて計測対象リソースとしてそれぞれ算出された依存度数が大きい順にリソースに順位付けする順位付け部58と、順位付け部58により順位付けされた順に複数のリソースから計測対象リソースを選択し、負荷発生部54により順次負荷を発生させながら、計測対象リソースのリソース使用量の処理能力指標を調整する調整部60と、を備える。
設定情報記憶部123には、設定ファイル読み込み部109によって受信情報記憶部121から読み出された設定情報130のパラメータが記憶される。
性能情報記憶部119は、負荷調整部111によって調整された処理能力指標をリソースごとに記憶する。
計測指示部115は、リソース単位で負荷発生部107に対してリソースの負荷を発生させるように指示する。負荷のかけ方の詳細については、後述する。
依存関係分析部113は、依存情報記憶部127に存在するリソースごとの性能計測結果に基づいて、リソースに依存する順番付け(降順)を行う。依存関係分析部113は、図2の順位付け部58に相当する。
中間情報記憶部125は、負荷調整フェーズにて、計測対象リソース以外のリソース使用量を記憶する。
依存情報記憶部127は、負荷判定部105によって求められた各リソースの依存度数を記憶する。
本実施形態のコンピュータプログラムは、性能計測用仮想サーバ100を実現させるためのコンピュータに、物理サーバ(図1の移動元サーバ7)および移動元サーバ7(図1)上で稼働する仮想サーバ(図1の業務用仮想サーバ76)の複数のリソースのリソース使用量を取得する手順と、計測対象リソースに疑似的に負荷を発生させる手順と、計測対象リソースに負荷をかけることで、計測対象リソースが依存しているリソースを求め、計測対象リソースが依存しているリソースの数に基づいて、計測対象リソースの依存度数を算出する手順と、複数のリソースについて計測対象リソースとしてそれぞれ算出された依存度数が大きい順にリソースに順位付けする手順と、順位付けされた順に複数のリソースから計測対象リソースを選択し、順次負荷を発生させながら、計測対象リソースのリソース使用量の処理能力指標を調整する手順と、を実行させるように記述されている。以下、このプログラムを性能計測プログラムと呼ぶ。
図4~図8は、本実施形態の情報処理システム1の動作の一例を示すフローチャートである。
上述したように、本実施形態の情報処理システム1は、負荷調整フェーズと負荷再現フェーズを含む。本実施形態の情報処理システム1は、はじめに、負荷調整フェーズにおいて、移動元サーバ7上で、疑似的に負荷を発生させて、性能計測を行う。その後、本実施形態の情報処理システム1は、負荷再現フェーズにおいて、負荷調整フェーズで得られた処理能力指標に基づいて、移動先サーバ9上で、負荷を発生させ、リソース使用量を取得する。
なお、以後の説明では、説明を簡単にするために例として、性能計測用仮想サーバ100は1台とし、業務用仮想サーバ76も1台とする。
図4は、本実施形態の管理サーバ4における負荷調整フェーズの処理手順の一例を示すフローチャートである。以下、図1および図4を用いて説明する。
まず、管理サーバ4(図1)において、性能情報取得指示部21(図1)が、運用者からの負荷調整指示を受け付けると、負荷調整および再現指示部22(図1)に対して負荷調整指示を行う(図4のステップS101)。そして、この負荷調整指示に呼応して、負荷調整および再現指示部22(図1)が、仮想サーバ移動部25(図1)に対して、プールサーバ5(図1)上の性能計測用仮想サーバ100(図1)を運用者が指定した移動元サーバ7(図1)上に移動させるように指示する。なお、運用者が指定しなかった物理サーバ(移動元サーバ7)に対して調整処理は行わない。指示に従い、性能計測用仮想サーバ100(図1)がプールサーバ5(図1)から移動元サーバ7(図1)に移動される(図4のステップS103)。
図5および図6は、本実施形態の性能計測用仮想サーバ100における負荷調整時の性能計測処理の手順の一例を示すフローチャートである。上述したように、本実施形態の性能計測プログラムをコンピュータが以下に示す手順を実行することで、本実施形態の性能計測用仮想サーバ100の機能が実現されることとなる。このフローは、図4の本実施形態の管理サーバ4の負荷調整フェーズの負荷調整処理のステップS109から呼び出される。以下、図1、図3乃至図6、図13を用いて説明する。
図5に示すように、計測指示部115(図3)が、リソース単位で負荷発生部107(図3)に対してリソースの負荷を順に発生させるように指示する。この指示に従い、負荷発生部107(図3)が、設定情報130(図13)の各リソースフラグを参照し、計測を実施すると指定されているリソースにて、設定情報130(図13)で指定されている初回処理能力指標を入力にしてジョブを処理し、結果的にリソースの負荷を発生させる(図5のステップS205)。計測を実施しないリソースに対しては何も行わない。
そして、依存関係分析部113が、依存情報記憶部127に存在するリソースごとの計測結果をリソースに依存する順番(降順)にソートを行う(図5のステップS213)。
以上により、依存関係分析処理が終了し、図15のように、リソースごとの依存関係が求められたことになる。
まず、計測指示部115(図3)が、負荷発生部107(図3)に対して依存情報記憶部127(図3)に記憶された依存度数の数値順(降順)で負荷をかけるように負荷発生指示を行う(図6のステップS301)。この理由は依存度数の大きいリソースから順番に負荷をかけていくと、依存度数の小さい別のリソースに負荷をかけた時に、それまでに依存した負荷を吸収しながら目標の負荷を発生することができるためである。昇順にすると、後々目標の負荷を超過してしまうからである。
式(1)では、現時点の性能計測用仮想サーバ100の処理能力指標(NUM_BSE)、リソース使用量(P_AVM)、業務用仮想サーバ76(または業務用仮想サーバ96)のリソース使用量(P_TAR)、各計測対象の依存リソース使用量(P_DEP)から、業務用仮想サーバ76(または業務用仮想サーバ96)の処理能力指標(NUM_TAR)を以下の式で定義する。
ここで、たとえば、各計測対象の依存リソース使用量(P_DEP)は、リソースの分だけ存在する。そして、図15に示す、HDDI(HDDリソースの入力)計測時に、HDDI以外のリソースの使用量がこれに該当する。計測ごとに、この値を足し込んでいく。
NWI/O_E=NWI/O_T-(NWI/O_HDDI/O) ・・・式(2)
以上より、目標のリソース使用量に対する処理能力指標を見積もることができる(図6のステップS307)。すなわち、負荷発生部107(図3)が、更新された処理能力指標とリソース使用量から業務用仮想サーバ76(または業務用仮想サーバ96)のリソース使用量になるように処理能力指標を調整する。
以上で、性能計測用仮想サーバ100における負荷見積り処理が終了し、図4のステップS111に戻る。
次に、負荷再現フェーズについて以下に説明する。
図7は、本実施形態の管理サーバ4における負荷再現フェーズの処理手順の一例を示すフローチャートである。以下、図1および図7を用いて説明する。
まず、管理サーバ4(図1)において、性能情報取得指示部21(図1)が、運用者からの負荷再現指示を受け付けると、負荷調整および再現指示部22(図1)に対して負荷再現指示を行う(図7のステップS401)。ここで、負荷再現指示とともに、移動先サーバ9の指定も受け付ける。そして、この負荷再現指示に呼応して、負荷調整および再現指示部22(図1)が、仮想サーバ移動部25(図1)に対してプールサーバ5(図1)上の性能計測用仮想サーバ100(図1)を利用者が指定したそれぞれの移動先サーバ9(図1)上に移動させるように指示する。指定しなかった移動先サーバ9(図1)以外に対して再現処理は行わない。指示に従い、性能計測用仮想サーバ100(図1)がプールサーバ5(図1)から移動先サーバ9(図1)に1台ずつ移動される(図7のステップS403)。
以上により、性能計測用仮想サーバ100における性能計測処理が終了し、上述した図7のステップS409に戻ることとなる。なお、条件を満たしていない場合(図8のステップS511のNO)、図8のステップS507に戻る。
図9は、本発明の実施の形態に係る情報処理システム2の構成を示す概略ブロック図である。
本実施形態の情報処理システム2は、上記実施形態の情報処理システム1とは、移動先候補となる物理サーバの中から負荷が適切な値になる物理サーバを決定する構成を有する点で相違する。
具体的には、図10に示すように、本実施形態の性能計測用仮想サーバ300は、図3の上記実施形態の性能計測用仮想サーバ100の構成に加え、さらに、空資源調整部129を備える。図では、性能計測用仮想サーバVM51について示しているが、他の性能計測用仮想サーバVM5aも同様の構成となる。
本実施形態のコンピュータプログラムは、性能計測用仮想サーバ300を実現させるためのコンピュータに、上記実施形態の手順に加え、検証対象となる移動先サーバ200上に性能計測用仮想サーバ300を稼働させる手順と、負荷を発生する手順において、順位付けする手順により順位付けされた順に複数のリソースから計測対象リソースを選択して、順次負荷を発生させながら、取得する手順で取得した各リソースのリソース使用量に基づいて、今回の計測対象リソース以外の前回までに負荷を発生する手順で負荷をかけたリソースのリソース使用量で、かつ、負荷を発生する手順で今回負荷をかけた計測対象リソースのリソース使用量を、予め設定された目標となる移動先サーバ200の空キャパシティに相当するリソース使用量から取り除いたリソース使用量、となるように処理能力指標を調整する手順と、調整する手順により調整された処理能力指標に基づいて、負荷を発生する手順において、順位付けする手順により順位付けされた順に複数のリソースから計測対象リソースを選択して、順次負荷を発生させながら、取得する手順で取得したリソース使用量から移動先サーバ200の空キャパシティに相当するリソース使用量の絶対値が許容範囲内に入っているか否かを判定する手順と、判定する手順により許容範囲内に入っていると判定されたとき、取得する手順で取得したリソース使用量から移動先サーバ200の空キャパシティに相当するリソース使用量に対応する処理能力指標を見積もる手順と、を実行させるように記述されている。以下、このプログラムを性能計測プログラムと呼ぶ。
以後の説明では、移動先サーバ200には性能計測用仮想サーバ300は1台として、複数の業務用仮想サーバ216(VM41~VM4k)が存在する状態とする。移動先サーバ200の空資源取得を行うものとする。前提として、管理サーバ8において、仮想サーバイメージ記憶部29には性能計測用仮想サーバ300および業務用仮想サーバ216の2種類の仮想サーバイメージが登録されている。また、あらかじめ仮想サーバ起動部24は、プールサーバ5上に性能計測用仮想サーバ300を起動している。ここで性能計測用仮想サーバ300(VM51~VM5a)のように複数起動してもよい。
初回の処理能力指標(NUM_FST)で出力した性能計測用仮想サーバ300の負荷情報(P_AVM)から基準になるリソース使用量(P_BSE)となるように、基準になる処理能力指標(NUM_BSE)となるように調整したものを定義したものである。
NUM_BSE=NUM_FST×(P_BSE/P_AVM) ・・・式(4)
そして、負荷判定部105(図10)が、負荷情報記憶部117(図10)のリソース使用量が更新されたことを認知して、かつ、図13の設定情報130の継続回数だけ計測を実施した場合(図12のステップS703のYES)、リソース使用量を採用する。更新されたリソース使用量が負荷情報記憶部117に存在しない、または継続回数に達しない場合は(図6のステップS703のNO)、図12のステップS701に戻る。
基準になる処理能力指標を用いて負荷を出力後、ホストのリソース使用量(P_SV)、性能計測仮想サーバ以外の仮想サーバのリソース使用量(ΣP_VM*)、P_SV、P_VMを含めたサーバ全体のリソース使用量(P_ALL)から現時点の性能計測仮想サーバのリソース使用量(P_AVM)を引いたものが空きキャパシティ分のリソース使用量(P_CAP)であることを以下の式(5)で定義する。ここで、*アスタリスクは、関連する全てのサーバを意味する。
P_CAP=P_ALL-{(P_SV+ΣP_VM*)-P_AVM} ・・・式(5)
ここで、HDDI/O_Mを物理サーバ上の最大キャパシティ分のHDDI/O使用量(L1+L2)とし、HDDI/O_VMを業務用仮想サーバによって発生するHDDI/O使用量(L1)とすると、物理サーバ上の空キャパシティ分のHDDI/O使用量(L2)のHDDI/O_Eは、以下の式(6)で示される。
HDDI/O_E=HDDI/O_M-HDDI/O_VM ・・・式(6)
NWI/O_E=NWI/O_M-{NWI/O_HDDI/O+NWI/O_VM} ・・・式(7)
CPU_E=CPU_M-{CPU_NWI/O+CPU_HDDI/O+CPU_VM} ・・・式(8)
以上より、目標のリソース使用量に対する処理能力指標を見積もることができる(図12のステップS709)。
そして、情報送信部101を使用して管理サーバ8に対して性能情報記憶部119(図10)に記憶した処理能力指標を結果送信する(図12のステップS319)。
以上で、性能計測用仮想サーバ300における負荷見積り処理が終了し、図11のステップS111に戻る。
現時点の性能計測用仮想サーバの処理能力指標(NUM_BSE)、リソース使用量(P_AVM)、空きキャパシティ分のリソース使用量(P_CAP)、各計測対称の依存リソース使用量(P_DEP)から空きキャパシティ分の処理能力指標(NUM_CAP)を以下の式(9)で定義する。
NUM_CAP=NUM_BSE×((P_CAP-ΣP_DEP)/P_AVM) ・・・式(9)
この構成によれば、様々なリソースについて、本発明を適用できることとなる。
この構成によれば、様々なリソースについて、本発明を適用できることとなる。
この構成によれば、様々なリソースについて、本発明を適用できることとなる。
Claims (18)
- 物理サーバおよび前記物理サーバ上で稼働する仮想サーバの複数のリソースのリソース使用量を取得する取得手段と、
計測対象リソースに負荷を発生させる負荷発生手段と、
前記計測対象リソースに前記負荷をかけることで、前記計測対象リソースが依存しているリソースを求め、前記計測対象リソースが依存している前記リソースの数に基づいて、前記計測対象リソースの依存度数を算出する依存度数算出手段と、
複数の前記リソースについて前記計測対象リソースとしてそれぞれ算出された前記依存度数が大きい順に前記リソースに順位付けする順位付け手段と、
前記順位付け手段により順位付けされた順に複数の前記リソースから前記計測対象リソースを選択し、前記負荷発生手段により順次負荷を発生させながら、前記計測対象リソースのリソース使用量の処理能力指標を調整する調整手段と、
を備える制御装置。 - 請求項1に記載の制御装置において、
前記負荷発生手段により前記負荷をかけている間に前記取得手段が取得した前記リソース使用量に基づいて、前記計測対象リソース以外のリソースの前記リソース使用量に増減があるかどうかを検出する検出手段と、
前記検出手段により前記計測対象リソース以外のリソースの前記リソース使用量に増減が検出された場合、当該リソースは前記計測対象リソースが依存しているリソースであると判別する判別手段と、を備え、
前記依存度数算出手段は、前記判別手段により前記計測対象リソースが依存していると判別された前記リソースの数を計数して前記依存度数を算出する制御装置。 - 請求項1または2に記載の制御装置において、
前記物理サーバ上で稼働する少なくとも1つの仮想サーバの代わりに、前記制御装置の前記各手段を実現させるための性能計測用仮想サーバを移動元となる前記物理サーバ上で稼働させ、
前記負荷発生手段が、前記移動元となる前記物理サーバ上で稼働する少なくとも1つの前記仮想サーバの代わりに、前記物理サーバ上で前記負荷を発生させ、
前記取得手段が、前記物理サーバと、前記物理サーバ上で稼働させた前記性能計測用仮想サーバの複数の前記リソースの前記リソース使用量を定期的に取得し、
前記調整手段が、前記処理能力指標を調整する制御装置。 - 請求項3に記載の制御装置において、
前記調整手段が、前記取得手段が取得した各リソースの前記リソース使用量に基づいて、今回の前記計測対象リソース以外の前回までに前記負荷発生手段が負荷をかけた前記リソースの前記リソース使用量で、かつ、前記負荷発生手段が今回負荷をかけた前記計測対象リソースの前記リソース使用量を、予め設定された目標となる仮想サーバの前記計測対象リソースの前記リソース使用量から取り除いたリソース使用量、となるように前記処理能力指標を調整し、
さらに、前記制御装置は、
前記負荷発生手段が、前記調整手段により調整された前記処理能力指標に基づいて、前記順位付け手段により順位付けされた順に複数の前記リソースから前記計測対象リソースを選択して、順次負荷を発生させながら、前記取得手段が取得した前記リソース使用量から前記目標となるリソース使用量の絶対値が許容範囲内に入っているか否かを判定する判定手段と、
前記判定手段により前記許容範囲内に入っていると判定されたとき、前記取得手段が取得した前記リソース使用量から前記目標となるリソース使用量に対応する処理能力指標を見積もる見積手段と、を備える制御装置。 - 請求項3に記載の制御装置において、
検証対象となる物理サーバ上に前記性能計測用仮想サーバを稼働させ、
前記負荷発生手段が、前記順位付け手段により順位付けされた順に複数の前記リソースから前記計測対象リソースを選択して、順次負荷を発生させながら、
前記調整手段が、前記取得手段が取得した各リソースの前記リソース使用量に基づいて、今回の前記計測対象リソース以外の前回までに前記負荷発生手段が負荷をかけた前記リソースの前記リソース使用量で、かつ、前記負荷発生手段が今回負荷をかけた前記計測対象リソースの前記リソース使用量を、予め設定された目標となる物理サーバの空キャパシティに相当するリソース使用量から取り除いたリソース使用量、となるように前記処理能力指標を調整し、
さらに、前記制御装置は、
前記調整手段により調整された前記処理能力指標に基づいて、前記負荷発生手段が、前記順位付け手段により順位付けされた順に複数の前記リソースから前記計測対象リソースを選択して、順次負荷を発生させながら、前記取得手段が取得した前記リソース使用量から前記物理サーバの前記空キャパシティに相当する前記リソース使用量の絶対値が許容範囲内に入っているか否かを判定する判定手段と、
前記判定手段により前記許容範囲内に入っていると判定されたとき、前記取得手段が取得した前記リソース使用量から前記物理サーバの前記空キャパシティに相当する前記リソース使用量に対応する処理能力指標を見積もる見積手段と、を備える制御装置。 - 請求項4または5に記載の制御装置において、
前記負荷発生手段は、前記負荷の発生のプロセスまたはスレッドを、複数プロセスまたはスレッドとして実行し、
前記見積手段は、マルチプロセッサの環境下における前記仮想サーバの前記処理能力指標を見積もる制御装置。 - 請求項4乃至6いずれかに記載の制御装置において、
前記リソースは、CPU(Central Processing Unit)、メモリ、ネットワークI/O(Input/Output)、およびハードディスクドライブI/Oを含む制御装置。 - 請求項7に記載の制御装置において、
前記リソース以外で負荷発生時に依存関係にあるリソースを観測可能で、さらに該リソースの負荷の調整が可能であるものに対し、前記性能計測用仮想サーバが、前記リソース間の依存分析を行い、前記処理能力指標を調整し、前記負荷を発生させ、目標となる負荷の処理能力指標を見積もる制御装置。 - 請求項4乃至8いずれかに記載の制御装置の前記性能計測用仮想サーバを、複数の移動先候補となる前記物理サーバ上で順次稼働させて、検証対象の物理サーバとして、前記見積手段により得られた前記処理能力指標を提示する提示手段を備える管理装置。
- 請求項9に記載の管理装置において、
複数の前記移動先候補となる前記物理サーバ上で、前記性能計測用仮想サーバを順次稼働させて、前記検証対象の物理サーバとして、前記見積手段により得られた前記処理能力指標に基づいて、移動先の物理サーバを選択する選択手段を備える管理装置。 - コンピュータに、
物理サーバおよび前記物理サーバ上で稼働する仮想サーバの複数のリソースのリソース使用量を取得する手順と、
計測対象リソースに負荷を発生させる手順と、
前記計測対象リソースに前記負荷をかけることで、前記計測対象リソースが依存している前記リソースを求め、前記計測対象リソースが依存している前記リソースの数に基づいて、前記計測対象リソースの依存度数を算出する手順と、
複数の前記リソースについて前記計測対象リソースとしてそれぞれ算出された前記依存度数が大きい順に前記リソースに順位付けする手順と、
順位付けされた順に複数の前記リソースから前記計測対象リソースを選択し、順次負荷を発生させながら、前記計測対象リソースのリソース使用量の処理能力指標を調整する手順と、を実行させるプログラム。 - 請求項11に記載のプログラムにおいて、
前記物理サーバ上で稼働する少なくとも1つの仮想サーバの代わりに、前記プログラムを含む性能計測用仮想サーバを移動元となる前記物理サーバ上で稼働させる手順と、
前記移動元となる前記物理サーバ上で稼働する少なくとも1つの前記仮想サーバの代わりに、前記物理サーバ上で前記負荷を発生させる手順と、
前記物理サーバと、前記物理サーバ上で稼働させた前記性能計測用仮想サーバの複数の前記リソースの前記リソース使用量を定期的に取得する手順と、
前記処理能力指標を調整する手順と、をさらにコンピュータに実行させるプログラム。 - 請求項12に記載のプログラムにおいて、
前記取得する手順で取得した各リソースの前記リソース使用量に基づいて、今回の前記計測対象リソース以外の前回までに前記負荷を発生する手順で負荷をかけた前記リソースの前記リソース使用量で、かつ、前記負荷を発生する手順で今回負荷をかけた前記計測対象リソースの前記リソース使用量を、予め設定された目標となる仮想サーバの前記計測対象リソースの前記リソース使用量から取り除いたリソース使用量、となるように前記処理能力指標を調整する手順と、
前記負荷を発生する手順において、前記調整する手順により調整された前記処理能力指標に基づいて、前記順位付けする手順により順位付けされた順に複数の前記リソースから前記計測対象リソースを選択して、順次負荷を発生させながら、前記取得する手順で取得した前記リソース使用量から前記目標となるリソース使用量の絶対値が許容範囲内に入っているか否かを判定する手順と、
前記判定する手順により前記許容範囲内に入っていると判定されたとき、前記取得する手順で取得した前記リソース使用量から前記目標となるリソース使用量に対応する処理能力指標を見積もる手順と、をさらにコンピュータに実行させるプログラム。 - 請求項12に記載のプログラムにおいて、
検証対象となる物理サーバ上に前記性能計測用仮想サーバを稼働させる手順と、
前記負荷を発生する手順において、前記順位付けする手順により順位付けされた順に複数の前記リソースから前記計測対象リソースを選択して、順次負荷を発生させながら、前記取得する手順で取得した各リソースの前記リソース使用量に基づいて、今回の前記計測対象リソース以外の前回までに前記負荷を発生する手順で負荷をかけた前記リソースの前記リソース使用量で、かつ、前記負荷を発生する手順で今回負荷をかけた前記計測対象リソースの前記リソース使用量を、予め設定された目標となる物理サーバの空キャパシティに相当するリソース使用量から取り除いたリソース使用量、となるように前記処理能力指標を調整する手順と、
前記調整する手順により調整された前記処理能力指標に基づいて、前記負荷を発生する手順において、前記順位付けする手順により順位付けされた順に複数の前記リソースから前記計測対象リソースを選択して、順次負荷を発生させながら、前記取得する手順で取得した前記リソース使用量から前記物理サーバの前記空キャパシティに相当する前記リソース使用量の絶対値が許容範囲内に入っているか否かを判定する手順と、
前記判定する手順により前記許容範囲内に入っていると判定されたとき、前記取得する手順で取得した前記リソース使用量から前記物理サーバの前記空キャパシティに相当する前記リソース使用量に対応する処理能力指標を見積もる手順と、をさらにコンピュータに実行させるプログラム。 - 物理サーバおよび前記物理サーバ上で稼働する仮想サーバの複数のリソースの負荷を計測する制御装置のデータ処理方法であって、前記制御装置が、
前記物理サーバおよび前記物理サーバ上で稼働する前記仮想サーバの複数の前記リソースのリソース使用量を取得し、
計測対象リソースに負荷を発生させ、
前記計測対象リソースに前記負荷をかけることで、前記計測対象リソースが依存しているリソースを求め、前記計測対象リソースが依存している前記リソースの数に基づいて、前記計測対象リソースの依存度数を算出し、
複数の前記リソースについて前記計測対象リソースとしてそれぞれ算出された前記依存度数が大きい順に前記リソースに順位付けし、
順位付けされた順に複数の前記リソースから前記計測対象リソースを選択して、順次負荷を発生させながら、前記計測対象リソースのリソース使用量の処理能力指標を調整する制御装置のデータ処理方法。 - 請求項15に記載の制御装置のデータ処理方法において、
前記物理サーバ上で稼働する少なくとも1つの仮想サーバの代わりに、性能計測用仮想サーバを移動元となる前記物理サーバ上で稼働させることで前記制御装置を実現し、
前記制御装置が、
前記移動元となる前記物理サーバ上で稼働する少なくとも1つの前記仮想サーバの代わりに、前記物理サーバ上で前記負荷を発生させ、
前記物理サーバと、前記物理サーバ上で稼働させた前記性能計測用仮想サーバの複数の前記リソースの前記リソース使用量を定期的に取得し、
前記処理能力指標を調整する制御装置のデータ処理方法。 - 請求項16に記載の制御装置のデータ処理方法において、
前記制御装置が、
取得した各リソースの前記リソース使用量に基づいて、今回の前記計測対象リソース以外の前回までに負荷をかけた前記リソースの前記リソース使用量で、かつ、今回負荷をかけた前記計測対象リソースの前記リソース使用量を、予め設定された目標となる仮想サーバの前記計測対象リソースの前記リソース使用量から取り除いたリソース使用量、となるように前記処理能力指標を調整し、
調整された前記処理能力指標に基づいて、順位付けされた順に複数の前記リソースから前記計測対象リソースを選択して、順次負荷を発生させながら、
取得した前記リソース使用量から前記目標となるリソース使用量の絶対値が許容範囲内に入っているか否かを判定し、
前記許容範囲内に入っていると判定されたとき、取得した前記リソース使用量から前記目標となるリソース使用量に対応する処理能力指標を見積もる制御装置のデータ処理方法。 - 請求項16に記載の制御装置のデータ処理方法において、
検証対象となる物理サーバ上に前記性能計測用仮想サーバを稼働させることで前記制御装置を実現し、
前記制御装置が、
順位付けされた順に複数の前記リソースから前記計測対象リソースを選択して、順次負荷を発生させながら、
取得した各リソースの前記リソース使用量に基づいて、今回の前記計測対象リソース以外の前回までに負荷をかけた前記リソースの前記リソース使用量で、かつ、今回負荷をかけた前記計測対象リソースの前記リソース使用量を、予め設定された目標となる物理サーバの空キャパシティに相当するリソース使用量から取り除いたリソース使用量、となるように前記処理能力指標を調整し、
調整された前記処理能力指標に基づいて、順位付けされた順に複数の前記リソースから前記計測対象リソースを選択して、順次負荷を発生させながら、取得した前記リソース使用量から前記物理サーバの前記空キャパシティに相当する前記リソース使用量の絶対値が許容範囲内に入っているか否かを判定し、
前記許容範囲内に入っていると判定されたとき、取得した前記リソース使用量から前記物理サーバの前記空キャパシティに相当する前記リソース使用量に対応する処理能力指標を見積もる制御装置のデータ処理方法。
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