Application migration in a process virtual machine environment

Patent metadata

Field	Value
Publication number	US-2016110210-A1
Application number	US-201414514902-A
Country	US
Kind code	A1
Filing date	Oct 15, 2014
Priority date	Oct 15, 2014
Publication date	Apr 21, 2016
Grant date	—

Abstract

A mechanism for migrating an application in a process virtual machine environment. A method includes pausing execution of an application in a source process virtual machine (PVM). The method also includes recording a state of the source PVM at a time of the pausing of the execution of the application. The method further includes copying the recorded state of the source PVM into a destination PVM, wherein the destination PVM resumes the execution of the application using the recorded state.

First claim

1 . A method, comprising:
pausing, by a processing device, an execution of an application in a source process virtual machine (PVM) among a plurality of PVMs; recording, by the processing device, a state of the source PVM at a time of the pausing of the execution of the application; selecting, by the processing device, a destination PVM among the plurality of PVMs in view of an availability of amount of utilization of each of the plurality of PVMs; and copying, by the processing device, the recorded state of the source PVM into the selected destination PVM, wherein the selected destination PVM resumes the execution of the application using the recorded state.

2 . The method of claim 1 further comprising creating a process in the selected destination PVM.

3 . The method of claim 2 , wherein the created process executes the application in the selected destination PVM in view of the copied recorded state of the source PVM.

4 . The method of claim 3 wherein the execution of the paused application in the source PVM is resumed by the application in the selected destination PVM.

5 . The method of claim 4 further comprising determining whether the application in the selected destination PVM is executing from the recorded state of the source PVM.

6 . The method of claim 5 destroying the source PVM upon the determining that the application in the selected destination PVM is executing from the recorded state of the source PVM.

7 . The method of claim 1 wherein the application is a Java™ programming language application, and wherein the source PVM and the selected destination PVM are Java™ virtual machines (JVMs).

8 . A system, comprising:
a memory; a processing device operatively coupled to the processing device to:
pause an execution of an application in a source process virtual machine (PVM) among a plurality of PVMs;
record a state of the source PVM at a time of the pausing of the execution of the application;
select a destination PVM among the plurality of PVMs in view of an availability of amount of utilization of each of the plurality of PVMs; and
copy the recorded state of the source PVM into the selected destination PVM,
wherein the selected destination PVM resumes the execution of the application using the recorded state.

9 . The system of claim 8 , the processing device to:
create a process in the selected destination PVM.

10 . The system of claim 9 wherein the created application process executes the application in the selected destination PVM in view of the copied recorded state of the source PVM.

11 . The system of claim 10 wherein the application in the selected destination PVM executes in view of the copied recorded state of the source PVM.

12 . The system of claim 11 , wherein the execution of the paused application in the source PVM is resumed by the application in the selected destination PVM.

13 . The system of claim 12 , the processing device to:
destroy the source PVM upon determining that the application in the selected destination PVM is executing from the recorded state of the source PVM.

14 . The system of claim 8 wherein the application is a Java™ programming language application, and wherein the source PVM and the selected destination PVM are Java™ virtual machines (JVMs).

15 . A non-transitory machine-readable storage medium comprising instructions that, when accessed by a processing device, cause the processing device to:
pause, by the processing device, an execution of an application in a source process virtual machine (PVM) among a plurality of PVMs; record, by the processing device, a state of the source PVM at a time of the pausing of the execution of the application; select, by the processing device, a destination PVM among the plurality of PVMs in view of an availability of amount of utilization of each of the plurality of PVMs; and copy, by the processing device, the recorded state of the source PVM into the selected destination PVM, wherein the selected destination PVM resumes the execution of the application using the recorded state.

16 . The non-transitory machine-readable storage medium 15 , wherein the processing device is to create a process in the selected destination PVM.

17 . The non-transitory machine-readable storage medium 16 , wherein the created process executes the application in the selected destination PVM in view of the copied recorded state of the source PVM.

18 . The non-transitory machine-readable storage medium 17 , wherein the execution of the paused application in the source PVM is resumed by the application in the selected destination PVM.

19 . The non-transitory machine-readable storage medium 18 , wherein the processing device is to destroy the source PVM upon determining that the application in the selected destination PVM is executing from the recorded state of the source PVM.

20 . The non-transitory machine-readable storage medium 15 , wherein the application is a Java™ programming language application, and wherein the source and selected destination PVMs are Java™ virtual machines (JVMs).

Assignees

• Red Hat Inc

Inventors

• Vecera Martin
• Pechanec Jiri

Classifications

• G06F9/45533 Primary

  Hypervisors; Virtual machine monitors · CPC title

• G06F2009/4557

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

• G06F9/45558 Primary

  Hypervisor-specific management and integration aspects · CPC title