KSE, libpthread & libthr: almost newbie question

[Robert Watson]

On Fri, 27 Oct 2006, Julian Elischer wrote:

> there is class of problems (e.g. some java programs) that have THOUSANDS of 
> threads, each representing an active aspect of some object. How do you put 
> an rlimit on that without either 1/ stopping the program from working or 2/ 
> allowing thousands of threads to exist but not screwing other users.

Does the JVM actually expose thousands of threads to the OS, or does it 
actually do its own M:N threading internally based on its execution model? 
My impression is the latter, exposing threads to the OS only when it needs 
them to consume kernel or CPU resources.

Robert N M Watson
Computer Laboratory
University of Cambridge