Re: Why does free memory(not the heap) continue to drop with Tomcat4.1.29, Linux and Jrockit?

2004-03-29 Thread tom ly
I started up tomcat with both the Sun JDK and JRockit.  Even without any load, the 
total avaiable memory contiues to drop.  Why does this happen?
 
Thanks,
Tom
tom ly <[EMAIL PROTECTED]> wrote:
Background threads? What can be causing them to occur? If you have any suggestions on 
where to look that'll be great.

Thanks
Tom

Tim Funk wrote:
Sounds like background threads doing "bad things" or things that the GC can't 
resolve as candidate for freeing.

-Tim

tom ly wrote:

> The Free Memory(not the java heap) continues to drop even when there is nothing 
> going on with tomcat. It gets to the point where there is hardly any left and we 
> have to restart tomcat. I'm using JRockit and have my JAVA_OPTS="-server -Xms1200 
> -Xmx1200" on a Pentium 3 machine with 2GB of RAM. I'm new to Memory profiling but 
> can't seem to find any lingering objects using JProbe, besides, the Free Memory 
> continues to drop on the machine over the weekend when no testing is taking place. 
> What can be wrong? Any help would be great.
> Thanks,
> Tom


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RE: Why does free memory(not the heap) continue to drop with Tomcat4.1.29, Linux and Jrockit?

2004-03-29 Thread Shapira, Yoav

Hi,

>JAVA_OPTS="-server -Xms1200 -Xmx1200" on a Pentium 3 machine with 2GB
of
>RAM.  I'm new to Memory profiling but can't seem to find any lingering

I really doubt this is the memory setting you want.  But giving you the
benefit of the doubt, assuming you've done your profiling and testing to
arrive at this setting, it means the heap is stable.  So the free memory
reduction you're observing can only come from new classes loading, e.g.
webapp reloads, or from non-tomcat-related activities on the server.

Yoav Shapira



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Re: Re: Why does free memory(not the heap) continue to drop with Tomcat4.1.29, Linux and Jrockit?

2004-03-28 Thread info
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Re: Why does free memory(not the heap) continue to drop with Tomcat4.1.29, Linux and Jrockit?

2004-03-28 Thread tom ly
Background threads?  What can be causing them to occur?  If you have any suggestions 
on where to look that'll be great.
 
Thanks
Tom

Tim Funk <[EMAIL PROTECTED]> wrote:
Sounds like background threads doing "bad things" or things that the GC can't 
resolve as candidate for freeing.

-Tim

tom ly wrote:

> The Free Memory(not the java heap) continues to drop even when there is nothing 
> going on with tomcat. It gets to the point where there is hardly any left and we 
> have to restart tomcat. I'm using JRockit and have my JAVA_OPTS="-server -Xms1200 
> -Xmx1200" on a Pentium 3 machine with 2GB of RAM. I'm new to Memory profiling but 
> can't seem to find any lingering objects using JProbe, besides, the Free Memory 
> continues to drop on the machine over the weekend when no testing is taking place. 
> What can be wrong? Any help would be great.
> Thanks,
> Tom


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Re: Why does free memory(not the heap) continue to drop with Tomcat4.1.29, Linux and Jrockit?

2004-03-27 Thread Tim Funk
Sounds like background threads doing "bad things" or things that the GC can't 
 resolve as candidate for freeing.

-Tim

tom ly wrote:

The Free Memory(not the java heap) continues to drop even when there is nothing going on with 
tomcat.  It gets to the point where there is hardly any left and we have to restart tomcat.  I'm 
using JRockit and have my JAVA_OPTS="-server -Xms1200 -Xmx1200" on a Pentium 3 machine 
with 2GB of RAM.  I'm new to Memory profiling but can't seem to find any lingering objects using 
JProbe, besides, the Free Memory continues to drop on the machine over the weekend when no 
testing is taking place.  What can be wrong?  Any help would be great.
Thanks,
Tom


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Why does free memory(not the heap) continue to drop with Tomcat4.1.29, Linux and Jrockit?

2004-03-26 Thread tom ly
The Free Memory(not the java heap) continues to drop even when there is nothing going 
on with tomcat.  It gets to the point where there is hardly any left and we have to 
restart tomcat.  I'm using JRockit and have my JAVA_OPTS="-server -Xms1200 -Xmx1200" 
on a Pentium 3 machine with 2GB of RAM.  I'm new to Memory profiling but can't seem to 
find any lingering objects using JProbe, besides, the Free Memory continues to drop on 
the machine over the weekend when no testing is taking place.  What can be wrong?  Any 
help would be great.
Thanks,
Tom


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