Analysis support method, analysis supporting device, and recording medium

• US 10,169,059 B2
• Filed: 06/02/2014
• Issued: 01/01/2019
• Est. Priority Date: 06/26/2013
• Status: Active Grant

• Current Assignee: Fujitsu Limited
• Original Assignee: Fujitsu Limited
• Inventors: Kotani, Ichiro, Tobo, Yasuhide, Nakazawa, Takaaki, Miyagawa, Yukihisa, Oda, Yoshikazu, Mori, Kenichi, Tateishi, Naoki, Shimazaki, Kenichi, Kouge, Kiyoshi
• Primary Examiner(s): Wu, Qing Yuan
• Application Number:
  US14/293,277
• Publication Number:
  US 20150007176A1
• Time in Patent Office: 1,674 Days
• Field of Search: None
• CPC Class Codes: G06F 11/3433 for load management allocation of a server based on load conditions G06F9/505; load rebalancing G06F9/5083; redistributing the load in a network by a load balancer H04L67/1029
• CPC Class Codes: G06F 11/3447 Performance evaluation by modeling
• CPC Class Codes: G06F 11/3452 Performance evaluation by statistical analysis
• CPC Class Codes: G06F 11/3466 Performance evaluation by tracing or monitoring
• CPC Class Codes: G06F 2009/4557 Distribution of virtual machine instances; Migration and load balancing
• CPC Class Codes: G06F 2009/45591 Monitoring or debugging support
• CPC Class Codes: G06F 2201/815 Virtual
• CPC Class Codes: G06F 9/45533 Hypervisors; Virtual machine monitors
• CPC Class Codes: G06F 9/45558 Hypervisor-specific management and integration aspects
• CPC Class Codes: G06F 9/4856 resumption being on a different machine, e.g. task migration, virtual machine migration G06F9/5088 takes precedence
• CPC Class Codes: G06F 9/5088 involving task migration

Abstract

An analysis support method includes: searching for a second physical machine that has a configuration similar to a first physical machine on which a first virtual machine to be analyzed is executed, the second physical machine having configurations similar to the first physical machine before and after a change of a state of a virtual machine executed on the second physical machine; and searching for a second virtual machine that is executed on the second physical machine and similar to the first virtual machine before and after the change of the state of the virtual machine.

Claims

1. An analysis support method executed by a computer, the analysis support method comprising:

by the computer,

first searching, in configuration identification information that identifies configuration values indicating identification of software, hardware resource specification, and hardware resource utilization of physical machines and virtual machines executed on the physical machines, before and after respective changes of virtual machines on the physical machines and of the virtual machines respectively executed on the physical machines, for a second physical machine that has configuration identification information which configuration values of software, hardware resource specification and hardware resource utilization are similar to configuration values of a first physical machine, on which configuration identification information of a first virtual machine to be analyzed for migration is executed, before and after a change of a state of at least one virtual machine among virtual machines executed on the second physical machine;

second searching in the configuration identification information for a second virtual machine among the at least one virtual machine that is executed on the second physical machine and which configuration values of software, hardware resource specification and hardware resource utilization are similar to configuration values of software, hardware resource specification and hardware resource utilization of the first virtual machine, before and after the change of the state of the second virtual machine executed on the second physical machine, to output information for execution of a process to control the migration of the first virtual machine, in response to the first and second searching; and

performing analysis processing that analyzes operational trends of the virtual machines by using the hardware resource utilization of the first virtual machine and the hardware resource utilization of the second virtual machine.

2. The analysis support method by the computer according to claim 1, wherein

the configuration identification information includes first and second configuration identification information, and

the first searching for the second physical machine searches based on the first configuration identification information for configuration values of the first physical machine before and after a change of a state of another virtual machine, different from the first virtual machine, included in the virtual machines executed on the first physical machine and the second searching searches the second configuration identification information for configuration values of the second physical machine before and after the change of the state of the at least one virtual machine executed on the second physical machine.

3. The analysis support method according to claim 2, wherein

the first configuration identification information includes information identifying a virtual machine of which a state is changed on the first physical machine and a type of the change, and

the second configuration identification information includes information identifying a virtual machine of which a state is changed on the second physical machine and the type of the change, and

wherein the first searching of the second physical machine searches for the second physical machine by searching for, based on the first configuration identification information and the second configuration identification information, a physical machine of which the type of a change matches the first physical machine and which has a configuration value similar to a configuration value of the first physical machine after the change of the state of the other virtual machine and includes a virtual machine having a configuration value similar to a configuration value of the at least one virtual machine of which the state is changed on the first physical machine.

4. The analysis support method according to claim 2, wherein

the first configuration identification information includes types of software executed by virtual machines executed on the first physical machine before and after the change of the state of the other virtual machine, amounts of hardware resources assigned to the virtual machines, and amounts of hardware resources included in the first physical machine, and

the second configuration identification information includes types of software executed by virtual machines executed on the physical machine before and after the change of the state of the virtual machine, the amounts of hardware resources assigned to the virtual machines, and the amounts of hardware resources included in the physical machine, and

wherein the first searching of the second physical machine searches for the second physical machine by searching for, based on the first configuration identification information and the second configuration identification information, a physical machine of which types of software match the types of the software executed by the at least one virtual machines executed on the first physical machine before and after the change of the state of the other virtual machine and that has hardware resources that are assigned to virtual machines executed on the physical machine before and after the change of the state of the other virtual machine and of which the amounts of hardware resources are close to the amounts of hardware resources assigned to virtual machines executed on the first physical machine and that includes hardware resources of which the amounts are close to the hardware resources included in the first physical machine.

5. The analysis support method according to claim 2, further comprising:

updating the second configuration identification information based on the change of the state of the at least one virtual machine executed on the second physical machine and the configuration of the second physical machine after the change of the state of the at least one virtual machine,

wherein the first searching of the second physical machine searches for the second physical machine based on the first configuration identification information and the second configuration identification information updated.

6. The analysis support method by the computer according to claim 1, wherein the first searching for the second physical machine,

searches for the second physical machine based on operational information that identifies resource utilization values of the virtual machines, and

searches for a resource utilization value of the first virtual machine before a change of a state of other virtual machine, different from the first virtual machine, included in the virtual machines executed on the first physical machine and operational information that identifies resource utilization values of the virtual machines, for a resource utilization value of the at least one virtual machine executed on the second physical machine before the change of the state of the other virtual machine.

7. The analysis support method by the computer according to claim 6, wherein the operational information of the first virtual machine includes an utilization of the hardware resource of the first physical machine used per unit of time by the first virtual machine,

the analysis support method by the computer further comprising:

determining a time period in which the utilization included in the operational information of the first virtual machine is measured after the change of the state of the other virtual machine, and

wherein the first searching of the second physical machine searches for the second physical machine when determined that the time period in which the utilization is measured is shorter than a threshold.

8. The analysis support method by the computer according to claim 7, wherein the operational information of the second virtual machine includes utilization of a hardware resource included in the second physical machine and used per unit of time by the second virtual machine executed on the second physical machine, and

wherein the second searching of the second virtual machine searches, in the operational information of the first virtual machine before the change of the state of the other virtual machine and in the operational information of the second virtual machine executed on the second physical machine before and after the change of the state of the second virtual machine, for the second virtual machine which resource utilization value before and after the change of the state of the second virtual machine is similar to the resource utilization value of the first virtual machine and for which a time period in which the utilization included in the operational information of the second virtual machine executed on the second physical machine after the change of the state of the second virtual machine is measured is equal to or longer than the threshold.

9. The analysis support method according to claim 8, further comprising:

calculating the utilization value included in the operational information of the first virtual machine after the change of the state of the other virtual machine based on a difference between the utilization value included in the operational information of the first virtual machine before the change of the state of the other virtual machine and the utilization value included in operational information of the second virtual machine before the change of the state of the other virtual machine and based on the utilization value included in operational information of the second virtual machine after the change of the state of the other virtual machine.

10. The analysis support method according to claim 1, wherein the second searching of the second virtual machine searches for, based on operational information that identifies resource utilization values of the virtual machines, for a resource utilization value of the first virtual machine before a change of a state of other virtual machine and operational information that identifies resource utilization values of the virtual machines, for a resource utilization value of the at least one virtual machine executed on the second physical machine before the change of the state of the other virtual machine, the second virtual machine having a resource utilization value similar to a resource utilization value of the first virtual machine.

11. An analysis support computer, comprising:

a memory; and

a processor coupled to the memory and configured to;

first search, in configuration identification information that identifies configuration values indicating identification of software, hardware resource specification, and hardware resource utilization of physical machines and virtual machines executed on the physical machines, before and after respective changes of virtual machines on the physical machines and of the virtual machines respectively executed on the physical machines, for a second physical machine that has configuration identification information which configuration values of software, hardware resource specification and hardware resource utilization are similar to configuration values of a first physical machine, on which configuration identification information of a first virtual machine to be analyzed for migration is executed, before and after a change of a state of at least one virtual machine among virtual machines executed on the second physical machine,

second search in the configuration identification information for a second virtual machine among the at least one virtual machine that is executed on the second physical machine and which configuration values of software, hardware resource specification and hardware resource utilization are similar to configuration values of software, hardware resource specification and hardware resource utilization of the first virtual machine, before and after the change of the state of the second virtual machine executed on the second physical machine, to output information for execution of a process to control the migration of the first virtual machine, in response to the first and second searching, and

perform analysis processing that analyzes operational trends of the virtual machines by using the hardware resource utilization of the first virtual machine and the hardware resource utilization of the second virtual machine.

12. The analysis support computer according to claim 11, wherein the configuration identification information includes first and second configuration identification information, and

the first search for the second physical machine searches, based on the first configuration identification information, for configuration values of the first physical machine before and after a change of a state of another virtual machine, different from the first virtual machine, included in the virtual machines executed on the first physical machine and the second search searches the second configuration identification information for configuration values of the second physical machine before and after the change of the state of the at least one virtual machine executed on the second physical machine.

13. The analysis support computer according to claim 11, wherein the first search for the second physical machine,

searches in operational information that identifies resource utilization values of the virtual machines, and

searches for a resource utilization value of the first virtual machine before a change of a state of other virtual machine, different from the first virtual machine, included in the virtual machines executed on the first physical machine and searches in operational information that identifies resource utilization values of the virtual machines, for a resource utilization value of the at least one virtual machine executed on the second physical machine before the change of the state of the other virtual machine.

14. The analysis support computer according to claim 13, wherein the operational information of the first virtual machine includes a utilization of the hardware resource of the first physical machine used per unit of time by the first virtual machine,

wherein the processor is configured to:

determine a time period in which the utilization included in the operational information of the first virtual machine is measured after the change of the state of the other virtual machine, and

the first search searches for the second physical machine when determined that the time period in which the utilization is measured is shorter than a threshold.

15. The analysis support computer according to claim 13, wherein the processor is configured to search for, based on the operational information of the first virtual machine before the change of the state of the other virtual machine and the operational information of the virtual machine executed on the second physical machine before the change of the state of the virtual machine, for the second virtual machine which resource utilization value before and after the change of the state of the second virtual machine is similar to the resource utilization value of the first virtual machine before and after the change of the state of the virtual machine.

16. A non-transitory computer-readable recording medium storing a program that causes a computer to execute a process, the process comprising:

first searching, in configuration identification information that identifies configuration values indicating identification of software, hardware resource specification, and hardware resource utilization of physical machines and virtual machines executed on the physical machines, before and after respective changes of virtual machines on the physical machines and of the virtual machines respectively executed on the physical machines, for a second physical machine that has configuration identification information which configuration values of software, hardware resource specification and hardware resource utilization are similar to configuration values of a first physical machine, on which configuration identification information of a first virtual machine to be analyzed for migration is executed, before and after a change of a state of at least one virtual machine among virtual machines executed on the second physical machine;

second searching in the configuration identification information for a second virtual machine among the at least one virtual machine that is executed on the second physical machine and which configuration values of software, hardware resource specification and hardware resource utilization are similar to configuration values of software, hardware resource specification and hardware resource utilization of the first virtual machine, before and after the change of the state of the second virtual machine executed on the second physical machine, to output information for execution of a process to control the migration of the first virtual machine, in response to the first and second searching; and

performing analysis processing that analyzes operational trends of the virtual machines by using the hardware resource utilization of the first virtual machine and the hardware resource utilization of the second virtual machine.