I'm able to go up to 647 threads and 500 concurrent connections with
5.5.4 without any problems. chances are, it's a memory leak in the
webapp. only way to know for sure is to profile the application.

peter lin


On 4/20/05, Tim Funk <[EMAIL PROTECTED]> wrote:
> There are no limits in tomcat.
> http://jakarta.apache.org/tomcat/faq/memory.html
> 
> -Tim
> 
> LeeAnn Pultz wrote:
> 
> > I have a tomcat server with multiple copies of our web application
> > running.  We are running into what seems to be a hard-coded limit on the
> > number of threads available to the Tomcat application.
> >
> > I have added code to our servlet class which prints out the number of
> > active threads whenever I initialize the servlet.  On Red Hat Linux
> > boxes, whenever we start up enough copies of the servlet to hit 100
> > active threads, we reach an OutOfMemoryError - regardless of the Xms/Xmx
> > settings (memory profiling shows that we have plenty of memory
> > available).  On Windows XP, 50 seems to be the magic number.
> >
> > I have tried tweaking Xss parameters, my ulimit command in Linux shows
> > "unlimited" - and I have reached the same results with Tomcat 3.3.1,
> > 4.0.28 and 5.0.28 using Java 1.4.1 and 1.4.2.  When I use WebLogic 8.1
> > on the same Linux box, I reach 241 active threads with no problems
> > whatsoever (stopped my testing at that number) so it does not seem to be
> > an o/s limitation, or a java limitation - which leads me to believe
> > there is something in Tomcat?
> >
> > Is the number of threads available to tomcat hard coded somewhere? Is
> > there a parameter or configuration setting that I can change to increase
> > this?
> >
> > If this question is better off posted to the developers list, please
> > someone, let me know :)
> >
> 
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: [EMAIL PROTECTED]
> For additional commands, e-mail: [EMAIL PROTECTED]
> 
>

---------------------------------------------------------------------
To unsubscribe, e-mail: [EMAIL PROTECTED]
For additional commands, e-mail: [EMAIL PROTECTED]

Reply via email to