On Thu, 13 Feb 2003, Man Chi Ly wrote:
>
> Dan's probably one of the authorities on this performance issue; but isn't
> it generally considered bad form to be spawning so many threads in an
> application?
Nature of the application. I need to send out a lot of email in parallel.
>
On Fri, Feb 14, 2003 at 01:04:51AM +0100, Juergen Kreileder wrote:
> The Blackdown Java-Linux Team is happy to announce the availability
> the Java 2 Standard Edition v1.4.1-01 for Linux on ix86 and SPARC.
Very nice... is anyone working to update the 1.3.1_02b release to
the current 1.3.1_07 ve
On Thu, 13 Feb 2003, Joseph Shraibman wrote:
> Dan Kegel wrote:
> > Joseph Shraibman wrote:
> >
> >> I never got anywhere near 1gb of memory usage.
> >
> >
> > Physical memory, maybe, but I bet you a nickel you got
> > up near 1GB of *virtual* memory. Go learn about how
> > thread stacks work. Y
Dan Kegel wrote:
Joseph Shraibman wrote:
I never got anywhere near 1gb of memory usage.
Physical memory, maybe, but I bet you a nickel you got
up near 1GB of *virtual* memory. Go learn about how
thread stacks work. You're not running out of RAM; you're
running out of address space.
I gues
The Blackdown Java-Linux Team is happy to announce the availability
the Java 2 Standard Edition v1.4.1-01 for Linux on ix86 and SPARC.
Please choose one of our FTP mirrors for downloading:
http://www.blackdown.org/java-linux/mirrors.html
Currently the SDK and the Runtime Environment are availabl
Dan Kegel wrote:
The -Xss100k helps because each thread stack immediately occupies
its full range of address space (discontiguous stacks not being supported).
If the OS defaults to a limit of 1GB address space for user processes,
at 100KB per stack, that's a hard limit of 10,000 threads.
I nev
Hi Joseph,
Here's a good explanation about the space Java reserves for each thread
stack. It's written about Windows, but applies to Solaris, Linux and
FreeBSD as well:
Connection scaling in Java
http://www.javaworld.com/javaworld/jw-03-1999/jw-03-volanomark_p.html#sidebar
It's just a matter
On Thu, 13 Feb 2003, John Rousseau wrote:
> The number of threads is limited by kernel config (as Nathan pointed
> out)
I'm not running into that limit. That is something over 14k.
and by available memory. By decreasing the stack size used by each
> thread (via -Xss), you made each thread use
On Wed, Feb 12, 2003 at 08:52:23PM -0500, Joseph Shraibman wrote:
> I'm running:
> java version "1.4.1_01"
> Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.1_01-b01)
> Java HotSpot(TM) Client VM (build 1.4.1_01-b01, mixed mode)
>
> ... on redhat 8.0. I've discovered that I get get so
