[Gllug] Max number of pthreads in Linux ?

[Daniel P. Berrange]

On Wed, Mar 26, 2008 at 09:38:50AM +0000, Tethys wrote:
> --------
> 
> salsaman at xs4all.nl writes:
> 
> >Hi all,
> >does anybody know the maximum number of threads libpthread
> >will support on Linux ? The only information I could find
> >was in /usr/include/bits/local_lim.h:
> 
> No, but I'd have thought a simple for loop around pthread_create()
> would give you an empirical answer quite quickly (at least for your
> particular system).

Nope, that'll give you an artifically low limit because of the huge
default stack size which will waste address space & memory. I've created
on the order of 10,000 threads before, not that they did any useful 
work - I was merely demonstrating the awesome scalability of NPTL threading
on Linux in comparison to Solaris.

Dan.
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