On Tue, 2006-08-15 at 17:12 -0600, Robert Hancock wrote:
> Irfan Habib wrote:
> > Hi,
> >
> > What is the maximum number of process which can run simultaneously in
> > linux? I need to create an application which requires 40,000 threads.
> > I was testing with far fewer numbers than that, I was getting
> > exceptions in pthread_create
>
> What architecture is this? On a 32-bit architecture with a 2MB stack
> size (which I think is the default) you couldn't possibly create more
> than 2048 threads just because of stack space requirements. Reducing the
> stack size would get you more.
>
> I should also point out that any design that requires 40,000 threads is
> probably quite flawed unless you are running on a very large machine..
>
Thread stack size defaults to whatever your distro sets RLIMIT_STACK to.
It's 8MB here.
Lee
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