RE: Handling huge amount data

2006-09-12 Thread Cosio, Raul
ing_5.html -Original Message- From: Peter Crowther [mailto:[EMAIL PROTECTED] Sent: Martes, 29 de Agosto de 2006 11:29 a.m. To: Tomcat Users List Subject: RE: Handling huge amount data > From: Robert Harper [mailto:[EMAIL PROTECTED] > I've seen the memory rise and fall so if the G

Re: Handling huge amount data

2006-08-29 Thread anjan bacchu
Hi Jose, Are you using Java 5.x(1.5.x) ? If so, you can watch your JVM's runtime behavior using the JConsole( in the JAVA_HOME/bin directory) ? It has helped me earlier on to debug OOM situations. You need to restart your tomcat so that you can add the required parameters in your startup.bat/

RE: Handling huge amount data

2006-08-29 Thread Peter Crowther
> From: Robert Harper [mailto:[EMAIL PROTECTED] > I've seen the memory rise and fall so if the GC releases > memory, it should be returned to the OS. ... at some point, assuming the GC is capable of compacting the heap to give an entirely free block of memory that can be returned to the OS, and

RE: Handling huge amount data

2006-08-29 Thread Robert Harper
hultz [mailto:[EMAIL PROTECTED] Sent: Tuesday, August 29, 2006 9:44 AM To: Tomcat Users List Subject: Re: Handling huge amount data José, > Looking Windows Task > Manager I perceived the natural memory increase. > > I noticed that when I > call my logout method (It calls session

Re: Handling huge amount data

2006-08-29 Thread Christopher Schultz
José, > Looking Windows Task > Manager I perceived the natural memory increase. > > I noticed that when I > call my logout method (It calls session.invalidate()) or my user session > expieres the memory is still in use, in other words, the memory is not > cleaned. Windows only reports the size of

Re: Handling huge amount data

2006-08-28 Thread José Renato
Hi, I am loading the data to be displayed with display-tag component. The data lists has been saved as request attributes. I will look for profilers to check this situation better. Thank a lot, Bye. David Smith escreveu: If you are sure the sessions are where your memory is going, is there

Re: Handling huge amount data

2006-08-28 Thread David Smith
If you are sure the sessions are where your memory is going, is there any way to reduce the session size? I would think a query for a large amount of data should be a request scoped item or maybe even put on the presentation layer with a taglib. You could also be hanging onto object reference

Handling huge amount data

2006-08-28 Thread José Renato
Hi All, I have an web application deployed with Tomcat 5.0.28. In some cases my queries can bring back huge amounts of data. Looking Windows Task Manager I perceived the natural memory increase. I noticed that when I call my logout method (It calls session.invalidate()) or my user session exp