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From "Torstein Nilsen" <tor_tom...@top-house.dk>
Subject RE: memory leak in tomcat 5.0.16 ?
Date Thu, 22 Jan 2004 18:25:07 GMT
I have now upgraded to the latest tomcat release
5.0.18 but
I'm afraid this didn't solve the problem - the
tomcat-process
is still growing. 

I have monitored the ressources used very closely
with 5.0.18
and it shows a slow grow in mem-usage a couple of
hours and 
then suddenly in a matter of ca. 10 secs. it goes
from 15% 
to 40% of total memory and stays there. Tomcat
access log-files 
doesn't show extrordinary activity during the
"bloat".

Thanx anyway. I will try the max / min threads and
see if this helps. 

Torstein

-----Original Message-----
From: Filip Hanik [mailto:devlists@hanik.com] 
Sent: 22. januar 2004 18:58
To: Tomcat Users List
Subject: Re: memory leak in tomcat 5.0.16 ?

try setting
maxSpareThreads==minSpareThreads==maxThreads in
your connector,

Filip
----- Original Message ----- 
From: "Ralph Einfeldt"
<ralph.einfeldt@uptime-isc.de>
To: "Tomcat Users List"
<tomcat-user@jakarta.apache.org>
Sent: Thursday, January 22, 2004 7:18 AM
Subject: RE: memory leak in tomcat 5.0.16 ?


> The heap size has nothing to do with the memory
size that 
> is seen by the system.
> 
> You have to look at least at the total memory. 
> (That is used + free memory)
> 
> To that you have to add 
> - thread stacks (At least some vm's don't
allocate them on the heap)
> - static memory (Like the jvm itself, static
strings, classes, jars, ...)
> - some os memory that is used by the vm to
manage it self
> - ...
> 
> I wouldn't expect that the diff between total
memory and system memory
> is more than a few megs. (Far less than 30MB)
> 
> > -----Original Message-----
> > From: Allistair Crossley
[mailto:Allistair.Crossley@QAS.com]
> > Sent: Thursday, January 22, 2004 4:06 PM
> > To: Tomcat Users List
> > Subject: RE: memory leak in tomcat 5.0.16 ?
> > 
> > What puzzles me is the Windows task manager
process memory as 
> > this never ever matches anywhere near the
JProfiler reported 
> > memory. I know there may be some system
overheads but the 
> > 30MB heap that JProfiler reveals is actually
90MB in Windows 
> > task manager. 
> > 
> 
>
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