Load calculation method, load calculation program, and load calculation apparatus

Patent metadata

Field	Value
Publication number	US-10169102-B2
Application number	US-201614987804-A
Country	US
Kind code	B2
Filing date	Jan 5, 2016
Priority date	Jan 8, 2015
Publication date	Jan 1, 2019
Grant date	Jan 1, 2019

Abstract

A load calculation program that causes a computer a process includes acquiring processor usage information including usage of a processor of an managed computer, which is a management object, and usage of the processor for each of a plurality of virtual machines generated by a hypervisor executed on the managed computer; acquiring data transmission information including a data transmission amount for each virtual network interface used by the plurality of virtual machines; detecting a first virtual network interface that performs data transmission without routing through the hypervisor among the plurality of virtual network interfaces, based on the processor usage information and the data transmission information; and calculating load information including processor usage for data transmission of each of the plurality of virtual machines, based on whether or not each of the virtual machines uses the first virtual network interface.

First claim

What is claimed is:

1. A non-transitory computer-readable storage medium storing therein a load calculation program that causes a computer to execute a process comprising:
acquiring processor usage information including usage of a processor of a managed physical machine, and usage of the processor for each of a plurality of virtual machines generated by a hypervisor executed on the managed physical machine;
acquiring data transmission information including a data transmission amount for each of a plurality of virtual network interfaces used by the plurality of virtual machines;
determining a virtual network interface having a second correlation between overhead processor usage, obtained by subtracting a sum of processor usage of the plurality of virtual machines from processor usage of the managed physical machine, and a data transmission amount of the virtual network interface, to be a second virtual network interface that performs data transmission via the hypervisor among the plurality of virtual network interfaces;
determining a virtual network interface having a first correlation that is smaller than the second correlation between the overhead processor usage and the data transmission amount of the virtual network interface, to be a first virtual network interface that performs data transmission without routing through the hypervisor among the plurality of virtual network interfaces;
calculating load information including amount of increase or decrease of the processor usage for data transmission in the managed physical machine, which a virtual machine to be added or deleted will be added to or deleted from, based on whether each of the plurality of virtual machines uses the first virtual network interface or the second virtual interface; and
adding or deleting the virtual machine to be added or deleted to or from a managed physical machine that is selected based on the calculated amount of increase or decrease of the processor usage for data transmission.

2. The non-transitory computer-readable storage medium according to claim 1 , further comprising:
acquiring processor interrupt number information including the number of processor interrupts of the managed computer; and
detecting the second virtual network interface that is a priority control object subjected to data transmission control prioritized over the second virtual network interface that is not the priority control object, among the plurality of virtual network interfaces based on the processor interrupt number information and the data transmission information, wherein
in the calculating the load information, the load information including processor usage for data transmission of the virtual machines is calculated, based on whether or not the virtual machines use the detected second virtual network interface that is the priority control object.

3. The non-transitory computer-readable storage medium according to claim 2 , wherein
in the detecting the second virtual network interface that is the priority control object,
a virtual network interface having a third correlation between the number of processor interrupts and a data transmission amount of the virtual network interface is determined to be the second virtual network interface that is the priority control object, and
a virtual network interface having a fourth correlation that is smaller than the third correlation between the number of processor interrupts and a data transmission amount of the virtual network interface is determined to be the second virtual network interface that is not the priority control object.

4. The non-transitory computer-readable storage medium according to claim 2 , wherein
in the calculating the load information, processor usage for data transmission of a virtual machine using the second virtual network interface that is the priority control object is calculated to be larger than processor usage of a virtual machine using the second virtual network interface that is not the priority control object.

5. The non-transitory computer-readable storage medium according to claim 4 , wherein
in the calculating the load information, a difference between processor usage for data transmission of a virtual machine using the second virtual network interface that is the priority control object, and processor usage for data transmission of a virtual machine using the second virtual network interface that is not the priority control object, is calculated based on a difference in correlation values between the overhead processor usage and the data transmission amount of the second virtual network interface.

6. The non-transitory computer-readable storage medium according to claim 1 ,
further comprising:
detecting a change in a network configuration of the virtual network interface, based on a change in a monitoring threshold setting of the virtual machines or the managed physical machine.

7. A load calculation method comprising:
acquiring processor usage information including usage of a processor of a managed physical machine, and usage of the processor for each of a plurality of virtual machines generated by a hypervisor executed on the managed physical machine;
acquiring data transmission information including a data transmission amount for each of a plurality of virtual network interfaces used by the plurality of virtual machines;
determining a virtual network interface having a second correlation between overhead processor usage, obtained by subtracting a sum of processor usage of the plurality of virtual machines from processor usage of the managed physical machine, and a data transmission amount of the virtual network interface, to be a second virtual network interface that performs data transmission via the hypervisor among the plurality of virtual network interfaces;
determining a virtual network interface having a first correlation that is smaller than the second correlation between the overhead processor usage and the data transmission amount of the virtual network interface, to be a first virtual network interface that performs data transmission without routing through the hypervisor, among the plurality of virtual network interfaces;
calculating load information including amount of increase or decrease of the processor usage for data transmission in the managed physical machine, which a virtual machine to be added or deleted will be added to or deleted from, based on whether each of the virtual machines uses the first virtual network interface or the second virtual interface; and
adding or deleting the virtual machine to be added or deleted to or from a managed physical machine that is selected based on the calculated amount of increase or decrease of the processor usage for data transmission.

8. A load calculation apparatus comprising:
a memory; and
a processor that is accessible to the memory, wherein
the processor executes a process of,
acquiring processor usage information including usage of a processor of a managed physical machine, and usage of the processor for each of a plurality of virtual machines generated by a hypervisor executed on the managed physical machine;
acquiring data transmission information including a data transmission amount for each of a plurality of virtual network interfaces used by the plurality of virtual machines;
determining a virtual network interface having a second correlation between overhead processor usage, obtained by subtracting a sum of processor usage of the plurality of virtual machines from processor usage of the managed physical machine, and a data transmission amount of the virtual network interface, to be a second virtual network interface that performs data transmission via the hypervisor among the plurality of virtual network interfaces;
d

Assignees

• Fujitsu Ltd

Inventors

• Tateishi Naoki
• Kouge Kiyoshi
• Tokoda Kensuke
• Kotani Ichiro
• Ohta Satoshi
• Nakazawa Takaaki
• Matsuda Satoshi
• Li Hui
• Kandani Kazunori
• Nakamura Saeko
• Miyagawa Yukihisa
• Torii Yuki
• Yonemoto Yoko

Classifications

• G06F2009/4557

  Distribution of virtual machine instances; Migration and load balancing · CPC title

• G06F9/5083 Primary

  Techniques for rebalancing the load in a distributed system · CPC title

• G06F9/45558

  Hypervisor-specific management and integration aspects · CPC title

• G06F2009/45595

  Network integration; Enabling network access in virtual machine instances · CPC title