heap memory issues

2012-06-20 Thread Miguel Gonzalez
Hi, Miguel- Your comment about how mail is handled made the application suspect in my mind.  Beyond making sure it's stable, I would check that the application is at least reasonably efficient. Yes, when I said stable, I really meant efficient too.  I suspect there are other inefficiencies

Re: heap memory issues

2012-06-19 Thread Miguel González Castaños
On 19/06/2012 06:04, Terence M. Bandoian wrote: On 1:59 PM, Miguel González Castaños wrote: I know, but how do I know how much ram to assign in a 64 bits jdk? We are planning to move to a bigger server (hopefully 16 or 32 gb). Miguel 16 or 32 GB? Is this a medical image processing system?

Re: heap memory issues

2012-06-19 Thread Miguel González Castaños
On 19/06/2012 02:47, Christopher Schultz wrote: -BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Miguel, On 6/18/12 6:34 PM, Miguel González Castaños wrote: [H]ow do I know how much ram to assign in a 64 bits jdk? We are planning to move to a bigger server (hopefully 16 or 32 gb). Nobody can

Re: heap memory issues

2012-06-19 Thread Terence M. Bandoian
On 1:59 PM, Miguel González Castaños wrote: On 19/06/2012 06:04, Terence M. Bandoian wrote: On 1:59 PM, Miguel González Castaños wrote: I know, but how do I know how much ram to assign in a 64 bits jdk? We are planning to move to a bigger server (hopefully 16 or 32 gb). Miguel 16 or 32

Re: heap memory issues

2012-06-18 Thread Miguel González Castaños
On 18/06/2012 02:45, Perry, Andrew wrote: Try setting -XX:MaxPermSize=256m it helps with our applications, it might do the trick here. What is the effect of this? Miguel - To unsubscribe, e-mail:

Re: heap memory issues

2012-06-18 Thread Christopher Schultz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Andrew, On 6/17/12 8:45 PM, Perry, Andrew wrote: Try setting -XX:MaxPermSize=256m it helps with our applications, it might do the trick here. Please don't just make random suggestions. This almost certainly has nothing to do with PermGem

Re: heap memory issues

2012-06-18 Thread Miguel González Castaños
On 18/06/2012 09:52, Konstantin Kolinko wrote: 2012/6/16 Miguel González Castañosmiguel_3_gonza...@yahoo.es: Dear all, We have a webapp under Tomcat 5.5 and jdk 1.5 32 bits under a virtual machine of 4 Gb and a 64 bits OS. 4 Gb is memory size? Yes Some of you have helped me

RE: heap memory issues

2012-06-18 Thread Martin Gainty
Saludos Cordiales, Martin __ Porfavor..no altere esta communicacion..Gracias Date: Tue, 19 Jun 2012 00:34:46 +0200 From: miguel_3_gonza...@yahoo.es To: users@tomcat.apache.org Subject: Re: heap memory issues On 18/06/2012 09:52, Konstantin Kolinko

Re: heap memory issues

2012-06-18 Thread Christopher Schultz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Miguel, On 6/18/12 6:34 PM, Miguel González Castaños wrote: [H]ow do I know how much ram to assign in a 64 bits jdk? We are planning to move to a bigger server (hopefully 16 or 32 gb). Nobody can tell you how big your heap needs to be: it all

Re: heap memory issues

2012-06-18 Thread Christopher Schultz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Martin, On 6/18/12 7:26 PM, Martin Gainty wrote: Chris Hansen sugire: Thread maximum stack size 2m Initial stack is 32m Initial PermGen 32m Max PermGen 200m Max Heap at 367 M Allow Concurrent Mark and Sweep CMS ClassUnloading enabled -Xss2m

Re: heap memory issues

2012-06-18 Thread Terence M. Bandoian
On 1:59 PM, Miguel González Castaños wrote: I know, but how do I know how much ram to assign in a 64 bits jdk? We are planning to move to a bigger server (hopefully 16 or 32 gb). Miguel 16 or 32 GB? Is this a medical image processing system? A control system for a space flight? Sorry

RE: heap memory issues

2012-06-17 Thread Perry, Andrew
Try setting -XX:MaxPermSize=256m it helps with our applications, it might do the trick here. -Original Message- From: Miguel González Castaños [mailto:miguel_3_gonza...@yahoo.es] Sent: Saturday, 16 June 2012 8:56 PM To: Tomcat Users List Subject: Re: heap memory issues On 16/06/2012

heap memory issues

2012-06-16 Thread Miguel González Castaños
Dear all, We have a webapp under Tomcat 5.5 and jdk 1.5 32 bits under a virtual machine of 4 Gb and a 64 bits OS. Some of you have helped me suggesting me to install Javamelody and sar to monitor the system. Setting up heap dumps I have managed to see what was going on with the

Re: heap memory issues

2012-06-16 Thread Miguel González Castaños
On 16/06/2012 12:49, Miguel González Castaños wrote: Dear all, We have a webapp under Tomcat 5.5 and jdk 1.5 32 bits under a virtual machine of 4 Gb and a 64 bits OS. Some of you have helped me suggesting me to install Javamelody and sar to monitor the system. Setting up heap dumps