Monitoring thread usage to dynamically control a thread pool

Details Monitoring thread usage to dynamically control a thread pool Monitoring thread usage to dynamically control a thread pool

2008-04-22

2008-04-22

Vu, Viet D. (Department: 2154)

Electrical computers and digital processing systems: multicomput

Computer network managing

Computer network monitoring

C709S225000, C709S226000, C718S102000

Reexamination Certificate

active

07363369

ABSTRACT:
A method, system, and program for monitoring thread usage to dynamically control a thread pool are provided. An application running on the server system invokes a listener thread on a listener socket for receiving client requests at the server system and passing the client requests to one of multiple threads waiting in a thread pool. Additionally, the application sends an ioctl call in blocking mode on the listener thread. A TCP layer within the server system detects the listener thread in blocking mode and monitors a thread count of at least one of a number of incoming requests waiting to be processed and a number of said plurality of threads remaining idle in the thread pool over a sample period. Once the TCP layer detects a thread usage event, the ioctl call is returned indicating the thread usage event with the thread count, such that a number of threads in the thread pool may be dynamically adjusted to handle the thread count.

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General Programming Concepts: Writing and Debugging Programs http://www16.boulder.ibm.com/pseries/en—US/aixprggd/genprogc/understanding—threads.htm Accessible on Sep. 11, 2003.

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