Virtual Machine Scaling Method and Device

Patent metadata

Field	Value
Publication number	US-2017286148-A1
Application number	US-201715629853-A
Country	US
Kind code	A1
Filing date	Jun 22, 2017
Priority date	Dec 23, 2014
Publication date	Oct 5, 2017
Grant date	—

Abstract

A virtual machine (VM) scaling method and device is provided. The method includes determining a VM resource pool corresponding to an application when a new VM needs to be added for the application; searching, according to a parameter of the new VM that needs to be added for the application, the determined VM resource pool for a VM that conforms to the parameter; registering the conforming VM with a load balancer (LB); and starting the VM to provide a service for the application. A VM that conforms to a requirement of the application is selected from a pre-created VM resource pool, and the VM is registered to provide a service for the application when a new VM is to be added for an application.

First claim

What is claimed is:

1 . A virtual machine (VM) scaling method, comprising:
determining a VM resource pool corresponding to an application when a new VM is to be added for the application; searching, according to a parameter of the new VM that is to be added for the application, the determined VM resource pool for a VM that conforms to the parameter; registering the VM with a load balancer (LB); and. starting the VM to provide a service for the application.

2 . The VM scaling method according to claim 1 , wherein searching the determined VM resource pool for the VM that conforms to the parameter comprises:
searching for an idle VM in the determined VM resource pool when no VM conforms to the parameter in the determined VM resource pool; modifying a parameter of the idle VM according to the parameter of the new VM that is to be added for the application when the idle VM is found in the determined VM resource pool; and using the idle VM that is found in the determined VM resource pool as the VM that conforms to the parameter.

3 . The VM scaling method according to claim 1 , further comprising:
calculating a quantity of the VMs that is to be configured in the VM resource pool corresponding to the application; determining a parameter of each VM in resource pool according to a parameter of the application; and creating each of the VMs in the VM resource pool using the determined parameter of each of the VMs.

4 . The VM scaling method according to claim 2 , further comprising:
calculating a quantity of the VMs that is to be configured in the VM resource pool corresponding to the application; determining a parameter of each VM in the VM resource pool according to a parameter of the application; and creating each of the VMs in the VM resource of using the determined parameter of each of the VMs.

5 . The VM scaling method according to claim 4 , wherein calculating the quantity of the VMs that is to be configured in the VM resource pool corresponding to the application comprises calculating, according to a mapping relationship between a resource requirement of the application and a specified proportion of the quantity of the VMs, the quantity of the VMs that is to be configured to meet the resource requirement of the application.

6 . The VM scaling method according to claim 3 , wherein determining the parameter of each of the VMs in the VM resource pool comprises determining, according to the parameter of the application, the parameter of each of the VMs in the VM resource pool corresponding to the application, and wherein the parameters of any two of the VMs in the VM resource pool are the same

7 . The VM scaling method according to claim 3 , wherein determining the parameter of each of the VMs in the VM resource pool comprises:
determining, according to the preset VM configuration rule, the VM resource pool corresponding to multiple applications; and determining the parameter of each of the VMs in the VM resource pool according to the parameters of the multiple applications, and wherein the parameters of at least two of the VMs in the VM resource pool are different.

8 . The VM scaling method according to claim 1 , wherein the method further comprises:
deregistering the VM from the LB when the application determines that a load decreases; and moving the deregistered VM into the VM resource pool corresponding to the application when the VM resource pool corresponding to the application supports VM recycle.

9 . The VM scaling method according to claim 8 , wherein moving the deregistered VM into the VM resource pool corresponding to the application comprises:
modifying a first parameter of the deregistered VM according to a second parameter of a required VM by the VM resource pool corresponding to the application when determining that the first parameter is not the same as the second parameter by the VM resource pool corresponding to the application; and moving the deregistered VM into the VM resource pool corresponding to the application.

10 . The VM scaling method according to claim 1 , further comprising:
determining whether a quantity of remaining VMs in the VM resource pool corresponding to the application is same as a preset VM quantity; determining a quantity of the VMs that is to be added if the quantity of remaining VMs in the VM resource pool corresponding to the application is less than the preset VM quantity; determining, according to a parameter of the application or a preset VM configuration rule, the parameter of each of the new VMs that is to be added; and creating, using the determined parameter of each of the new VMs that is to be added, each of the new VMs that is to be added.

11 . A virtual machine (VM) scaling device, comprising:
a memory comprising instructions; and a processor coupled to the memory, wherein the instructions cause the processor to be configured to:
determine a VM resource pool corresponding to an application when a new VM is to be added for the application;
search, according to a parameter of the new VM that is to be added for the application, the determined VM resource pool for a VM that conforms to the parameter;
register the VM with a load balancer (LB); and
start the VM to provide a service for the application.

12 . The VM scaling device according to claim 11 , wherein the instructions further cause the processor to be configured to:
search for an idle VM in the determined VM resource pool when no VM conforms to the parameter in the determined VM resource pool; modify a parameter of the idle VM according to the parameter of the new VM that is to be added for the application when the idle VM is found in the determined VM resource pool; and use the idle VM that is found in the determined VM resource pool as the VM that conforms to the parameter.

13 . The VM scaling device according to claim 11 , wherein the instructions further cause the processor to be configured to:
calculate a quantity of the VMs that is to be configured in the VM resource pool corresponding to the application; determine a parameter of each VM in the VM resource pool according to a parameter of the application; and creating each of the VMs in the VM resource pool using the determined parameter of each of the VMs.

14 . The VM scaling device according to claim 12 , wherein the instructions further cause the processor to be configured to:
calculate a quantity of the VMs that is to be configured in the VM resource pool corresponding to the application; determine a parameter of each VM in the VM resource pool according to a parameter of the application; and creating each of the VMs in the VM resource pool using the determined parameter of each VM.

15 . The VM scaling device according to claim 13 , wherein the instructions further cause the processor to be configured to calculate, according to a mapping relationship between a resource requirement of the application and a specified proportion of the quantity of the VMs, the quantity of the VMs that is to be configured to meet the resource requirement of the application.

16 . The VM scaling device according to claim 13 , wherein the instructions further cause the processor to be configured to determine, according to the parameter of the application, the parameter of each of the VMs in the VM resource pool corresponding to the application, and wherein the parameters of any two of the VMs in the VM resource pool are the same

17 . The VM scaling device according to claim 13 , wherein the instructions further cause the processor to be configured to:

Assignees

• Huawei Tech Co Ltd

Inventors

• Zou Tao

Classifications

• G06F9/45558 Primary

  Hypervisor-specific management and integration aspects · CPC title

• G06F2009/45562

  Creating, deleting, cloning virtual machine instances · CPC title

• G06F2009/45575

  Starting, stopping, suspending or resuming virtual machine instances · CPC title

• G06F9/455

  Emulation; Interpretation; Software simulation, e.g. virtualisation or emulation of application or operating system execution engines · CPC title

• G06F2009/4557

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