> From: Stefano Martines [mailto:[EMAIL PROTECTED]
> I have exactly the same problem. Tomcat5.exe is increasing
> memory allocation day by day.
I think you may have a different problem.
Sean's problem was that increasing load on his server meant increasing memory
use. Do you *also* have increas
load balancer for tomcat?
thank you
Stefano
- Original Message
From: Andrew Miehs <[EMAIL PROTECTED]>
To: Tomcat Users List
Sent: Friday, December 7, 2007 11:47:58 AM
Subject: Re: Tomcat 4.1.31 crashing with memory errors, crashing with no errors
and shutting down cleanly without
On 06/12/2007, at 10:34 PM, Sean Carnes wrote:
The highest that we could set the heap was to 1200. I tried higher
and it
would not start. It also seemed somewhat unstable above 1024 which
was the
previous setting, slowness updating the client and other things. The
company that develops the
> From: Sean Carnes [mailto:[EMAIL PROTECTED]
> The highest that we could set the heap was to 1200.
That feels a little low, even on Windows. I wonder what's fragmenting the
address space. I can get to about 1500 on x86 Windows 2003 Server Standard
before the VM fails to start.
> We have ever
Andrew,
Believe me I wish this was on Linux s many things would be so much
easier for someone who is used to unix, but unfortunately we are on windows
server 2k3 the decision was made before I got here. We are moving to either
linux or Solaris in the future but that will take a while.
The hi
Do you also have performance data for the front end machines?
What OS are you running?
Would definitely recommending installing sar (or sysstat package) if
you are running linux.
If Linux, which kernel?
If it really is heap, have a look at:
http://hausheer.osola.com/docs/5 for a simple desc
Andrew,
The performance data that we have is for the backend servers. We are
monitoring the normal things cpu, memory, load swap, context switches,
threads etc etc on the system but nothing specific to the tomcat service,
just the overall health of the system. It is not easy to put a lot of
prof
On 06/12/2007, at 5:12 PM, Peter Crowther wrote:
From: Sean Carnes [mailto:[EMAIL PROTECTED]
The back-end
servers seem to be responding in a timely fashion right now. We have
performance data from the time period and nothing seems
abnormal.
I unfortunately missed the first part of this threa
> From: Sean Carnes [mailto:[EMAIL PROTECTED]
> Thanks for the quick response. Your evaluation is similar to
> what I have
> been saying to my counterparts in regards to load balancing.
> The back-end
> servers seem to be responding in a timely fashion right now. We have
> performance data from
g with memory errors, crashing with no errors
and shutting down cleanly without manual intervention
> From: Sean Carnes [mailto:[EMAIL PROTECTED]
> *We are having an issue with the tomcat service crashing
> version 4.1.31,
> sometimes with these memory errors and sometimes not. We
> hav
Pete,
Thanks for the quick response. Your evaluation is similar to what I have
been saying to my counterparts in regards to load balancing. The back-end
servers seem to be responding in a timely fashion right now. We have
performance data from the time period and nothing seems abnormal. I thi
> From: Peter Crowther
> Looks like that slight increase in load has tipped you over
> from being just-about-alright to just-about-failing. If you
> can't increase heap space, can't decrease load and can't
> alter the application, your only remaining choice is to add
> capacity: install another se
> From: Sean Carnes [mailto:[EMAIL PROTECTED]
> *We are having an issue with the tomcat service crashing
> version 4.1.31,
> sometimes with these memory errors and sometimes not. We
> have a backup but
> once the load moves to that server the backup crashes also almost
> immediately after the load
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