COMPUTER SYSTEM

• US 20140196052A1
• Filed: 03/12/2014
• Published: 07/10/2014
• Est. Priority Date: 09/16/2011
• Status: Active Grant

• Current Assignee: Fujitsu Limited
• Original Assignee: Fujitsu Limited
• Inventors: ARAI, MASAKI
• Granted Patent: US 9,400,691 B2
• Time in Patent Office: Days
• US Class Current: 718/104
• 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 9/50 Allocation of resources, e.g. of the central processing unit [CPU]
• CPC Class Codes: G06F 9/5011 the resources being hardware resources other than CPUs, Servers and Terminals
• CPC Class Codes: G06F 9/5027 the resource being a machine, e.g. CPUs, Servers, Terminals
• CPC Class Codes: G06F 9/5044 considering hardware capabilities
• CPC Class Codes: G06F 9/5083 Techniques for rebalancing the load in a distributed system

Abstract

In the present invention, a management apparatus includes a unit configured to store management information including a throughput of each of a plurality of computers, a unit configured to acquire a request value which includes a throughput that is required for executing a program from a program execution computer to which execution of a program has been assigned among a plurality of computers, a selecting unit configured to select a computer of a throughput compliant with the request value from among a plurality of computers, and a switchover control unit configured to allocate the program allocated to the program execution computer to the selected computer.

Claims

1. A management apparatus configured to manage allocation of processes to a plurality of computers each having a different throughput, the management apparatus comprising:

a unit configured to store management information containing respective throughputs of the plurality of computers;

a unit configured to acquire a request value containing a throughput requested for executing a program from a program execution computer, to which execution of the program is allocated, in the plurality of computers;

a selecting unit configured to select a computer having a throughput suited to the request value from within the plurality of computers; and

a switchover control unit configured to allocate the program allocated to the program execution computer to the selected computer.

2. The management apparatus according to claim 1, wherein the selecting unit selects a first computer exhibiting the lowest throughput in computers satisfying the request value of the throughput when there exist the computers satisfying the request value of the throughput, and selects a second computer exhibiting the highest throughput in the plurality of computers when there exist none of the computers satisfying the request value of the throughput.

3. The management apparatus according to claim 2, wherein the request value contains a priority level of executing the program, which is requested to a computer to be allocated with the program, and

the management apparatus further comprises a switchover inhibiting unit configured to inhibit the allocation of the program from being switched over to the selected first computer when the throughput of the first computer is lower than the throughput of the program execution computer and the program execution computer is not allocated with a program exhibiting a higher priority level than the priority level of the program to be allocated to the first computer, the priority level specified by the request value.

4. The management apparatus according to claim. 2, wherein the selecting unit, when there exist a computer allocated with a program exhibiting a higher priority level than a priority level allocated to the program execution computer and satisfying the request value of the throughput and a computer having a higher throughput than the former computer but not allocated with the program exhibiting the higher priority level than the priority level allocated to the program execution computer, selects a computer having the higher throughput as the first computer.

5. A computer system comprising:

a plurality of computers each having a different throughput; and

a management apparatus configured to manage allocation of processes to the plurality of computers,

the management apparatus comprising;

a unit configured to store management information containing respective throughputs of the plurality of computers;

a unit configured to acquire a request value containing a throughput requested for executing a program from a program execution computer, to which execution of the program is allocated, in the plurality of computers;

a selecting unit configured to select a computer having a throughput suited to the request value from within the plurality of computers; and

a switchover control unit configured to allocate the program allocated to the program execution computer to the selected computer.

6. The computer system according to claim 5, wherein the selecting unit selects a first computer exhibiting the lowest throughput in computers satisfying the request value of the throughput when there exist the computers satisfying the request value of the throughput, and selects a second computer exhibiting the highest throughput in the plurality of computers when there exist none of the computers satisfying the request value of the throughput.

7. The computer system according to claim 6, wherein the request value contains a priority level of executing the program, which is requested to a computer to be allocated with the program, and

the management apparatus further comprises a switchover inhibiting unit configured to inhibit the allocation of the program from being switched over to the selected first computer when the throughput of the first computer is lower than the throughput of the program execution computer and the program execution computer is not allocated with a program exhibiting a higher priority level than the priority level of the program to be allocated to the first computer, the priority level specified by the request value.

8. The computer system according to claim 6, wherein the selecting unit, when there exist a computer allocated with a program exhibiting a higher priority level than a priority level allocated to the program execution computer and satisfying the request value of the throughput and a computer having a higher throughput than the former computer but not allocated with the program exhibiting the higher priority level than the priority level allocated to the program execution computer, selects a computer having the higher throughput as the first computer.

9. A management method for managing allocation of processes to a plurality of computers each having a different throughput, the management method comprising:

acquiring a request value containing a throughput requested for executing a program from a program execution computer, to which execution of the program is allocated, in the plurality of computers;

selecting a computer having a throughput suited to the request value from within the plurality of computers by referring to information indicating respective throughputs of the plurality of computers; and

allocating the program allocated to the program execution computer to the selected computer.

10. The management method according to claim 9, wherein the selecting selects a first computer exhibiting the lowest throughput in computers satisfying the request value of the throughput when there exist the computers satisfying the request value of the throughput, and selects a second computer exhibiting the highest throughput in the plurality of computers when there exist none of the computers satisfying the request value of the throughput.

11. The management method according to claim 10, wherein the request value contains a priority level of executing the program, which is requested to a computer to be allocated with the program, and

the management method further comprises inhibiting the allocation of the program from being switched over to the selected first computer when the throughput of the first computer is lower than the throughput of the program execution computer and the program execution computer is not allocated with a program exhibiting a higher priority level than the priority level of the program to be allocated to the first computer, the priority level specified by the request value.

12. The management method according to claim 10, wherein the selecting, when there exist a computer allocated with a program exhibiting a higher priority level than a priority level allocated to the program execution computer and satisfying the request value of the throughput and a computer having a higher throughput than the former computer but not allocated with the program exhibiting the higher priority level than the priority level allocated to the program execution computer, selects a computer having the higher throughput as the first computer.

13. A non-transitory computer-readable recording medium having stored therein a program for causing a management apparatus to execute a process for managing allocation of processes to a plurality of computers each having a different throughput, the process comprising:

acquiring a request value containing a throughput requested for executing a program from a program execution computer, to which execution of the program is allocated, in the plurality of computers;

selecting a computer having a throughput suited to the request value from within the plurality of computers by referring to information indicating respective throughputs of the plurality of computers; and

allocating the program allocated to the program execution computer to the selected computer.

14. The non-transitory computer-readable recording medium according to claim 13, wherein the selecting, selects a first computer exhibiting the lowest throughput in computers satisfying the request value of the throughput when there exist the computers satisfying the request value of the throughput, and selects a second computer exhibiting the highest throughput in the plurality of computers when there exist none of the computers satisfying the request value of the throughput.

15. The non-transitory computer-readable recording medium according to claim 14, wherein the request value contains a priority level of executing the program, which is requested to a computer to be allocated with the program, and

the process further comprises inhibiting the allocation of the program from being switched over to the selected first computer when the throughput of the first computer is lower than the throughput of the program execution computer and the program execution computer is not allocated with a program exhibiting a higher priority level than the priority level of the program to be allocated to the first computer, the priority level specified by the request value.

16. The non-transitory computer-readable recording medium according to claim 14, wherein the selecting, when there exist a computer allocated with a program exhibiting a higher priority level than a priority level allocated to the program execution computer and satisfying the request value of the throughput and a computer having a higher throughput than the former computer but not allocated with the program exhibiting the higher priority level than the priority level allocated to the program execution computer, selects a computer having the higher throughput as the first computer.