System and method for application server with self-tuned threading model

• US 20050262507A1
• Filed: 05/19/2005
• Published: 11/24/2005
• Est. Priority Date: 05/20/2004
• Status: Active Grant

• Current Assignee: Oracle International Corporation (Oracle Corporation)
• Original Assignee: BEA Systems Incorporated (Oracle Corporation)
• Inventors: Revanuru, Naresh, Langen, Anno
• Granted Patent: US 7,657,892 B2
• Time in Patent Office: Days
• US Class Current: 718/100
• CPC Class Codes: G06F 2209/5011 Pool
• CPC Class Codes: G06F 2209/5018 Thread allocation
• CPC Class Codes: G06F 2209/5021 Priority
• CPC Class Codes: G06F 2209/504 Resource capping
• CPC Class Codes: G06F 9/4881 Scheduling strategies for dispatcher, e.g. round robin, multi-level priority queues
• CPC Class Codes: G06F 9/5038 considering the execution order of a plurality of tasks, e.g. taking priority or time dependency constraints into consideration scheduling strategies G06F9/4881 and subgroups
• CPC Class Codes: Y02D 10/00 Energy efficient computing, e.g. low power processors, power management or thermal management

Abstract

A system and method for application server with self-tuned threading model. A server queue is used as a priority scheme, including a number of entries therein associated with received requests, and which allows the entries to have expressed priorities or share values, instead of simply the number of threads. Flexibility is retained to express the threads in raw numbers whenever this might be desired, or to express constraints on the number of threads to be made available.

Claims

1. A system for self-tuned threading model in an application server, comprising:

a server, including one or more processors;

one or more threads for receiving requests from clients and communicating those requests to a processor; and

a priority queue for allocating threads to multiple requests according to share values, to optimize performance of the threads.

2. The system of claim 1 wherein said server includes multiple processors.

3. The system of claim 1 wherein the entries are queued in the priority queue according to pro-rata time values.

4. The system of claim 3 wherein the entries are queued according to the calculated thread usage time already used in comparison to the time values.

5. The system of claim 1 wherein the entries may be queued according to additional configured constraints

6. The system of claim 5 wherein the constraints are determined by queing the entry in an additional constraints queue.

7. A method for self-tuned threading model in an application server, comprising the steps of:

configuring the server to share thread resources among entities according to share values;

receiving requests at the server from clients;

queuing requests in a priority queue according to the share values and on the basis of how much thread time each entity has already used; and

taking the requests from the priority queue and presenting them to the threads for processing by a processor.

8. The method of claim 7 wherein said server includes multiple processors.

9. The method of claim 7 wherein the entries are queued in the priority queue according to pro-rata time values.

10. The method of claim 9 wherein the entries are queued according to the calculated thread usage time already used in comparison to the time values.

11. The method of claim 7 wherein the entries may be queued according to additional configured constraints.

12. The method of claim 11 wherein the constraints are determined by queuing the entry in an additional constraints queue.

13. A computer readable medium, including instructions thereon which when executed cause the computer to perform the steps of:

configuring a server to share thread resources among entities according to share values;

receiving requests at the server from clients;

queuing requests in a priority queue according to the share values and on the basis of how much thread time each entity has already used; and

taking the requests from the priority queue and presenting them to the threads for processing by a processor.

14. The computer readable medium of claim 13 wherein said server includes multiple processors.

15. The computer readable medium of claim 13 wherein the entries are queued in the priority queue according to pro-rata time values.

16. The computer readable medium of claim 15 wherein the entries are queued according to the calculated thread usage time already used in comparison to the time values.

17. The computer readable medium of claim 13 wherein the entries may be queued according to additional configured constraints.

18. The computer readable medium of claim 17 wherein the constraints are determined by queuing the entry in an additional constraints queue.