if possible you could run your application with OptimizeIt or JProbe. In OptimizeIT you can see the garbage collection actions directly and can also force the system to garbage collect. Also you can find out where the object reference is not getting released.
regards, Nagarajan. On Wednesday 26 June 2002 16:59, you wrote: > Just an FYI, we have jdk1.2.2, Tomcat 3.2.1 and Jboss2.4.4 running on > Solaris 8 with mysql 3.23.39 > and we have found that memory is being chewed up big time while running on > Solaris. We have the exact same application running on Redhat7.0 and we do > not have the memory hogging problem, so we are pretty sure it cannot all be > blamed on coding memory leaks. > > If you have any experience with configuring the JVM on Solaris 8, unlike > us, perhaps you know what may be causing Tomcat to chew up tons of memory > but not doing so on Redhat. Its as if the garbage collection isn't taking > place on Solaris' JVM. > > Thought you might want to know, be sure you have a development and > production set up as close to the exact same configuration as possible. > That's where we are pretty much stuck with restarting the Solaris' every > week or so, since we don't have a dev Solaris box to play with. > > Good Luck, > Brian > > Brendan Spinks wrote: > > Our servers are load balanced behind a cisco local director. > > > > As far as server load is concerned we are approximately 1.4 load average > > across the machines in question at peak operating times. > > > > Search Database wise we are using FAST, and postgresql 6.5.2 otherwise > > (upgrading to MySQL 3.23.51) > > > > We will also be upgrading to Solaris 8 across the board in the next few > > months. The live production servers are actually already there but the > > dev ones are not. This is where we will be deploying the new environment > > for testing etc. (also looking into struts as a framework) > > > > Sorry about the OS detail, I was only just told myself :) > > > > brendan > > > > -----Original Message----- > > From: Walter Meyer [mailto:[EMAIL PROTECTED]] > > Sent: Wednesday, 26 June 2002 2:23 PM > > To: [EMAIL PROTECTED] > > Subject: Re: java and tomcat stability > > > > No, the updated JDK and Tomcat probably wouldn't be stable on Solaris > > 2.6. (From my own experience, please keep the flames to a minimum.) > > Upgrading > > Solaris would help that. > > > > What kind of server load are you looking at? Are your current machines > > clustered? What kind of database are you running on top of? > > > > Walt > > > > -- > > Walter Meyer > > http://www.ThatWaltGuy.com - web > > [EMAIL PROTECTED] - email > > (303) 949-8369 - cell > > > > ---- Brendan Spinks <[EMAIL PROTECTED]> wrote: > > > Hi there > > > > > > We are looking at upgrading our extremely outdated systems within my > > > workplace. The initial upgrade is to include a later version of java > > > and > > > implementing tomcat as the production web container. The problem is > > > there > > > are issues with the sys-admins not wanting to support j2se 1.4 or > > > tomcat 4. > > > The production servers are currently running SunOS 5.6 (Solaris 2.6) > > > and the > > > senior sys-admin states that both tomcat 4 and java 1.4 are not stable > > > enough to be put into production. We also have severe budget > > > constraints. I > > > was wondering what information I could get on a stable environment > > > to put > > > into production and any further discussions on this topic... > > > > > > Thanks in advance > > > > > > Regards > > > Brendan Spinks > > > > ========================================================================= > >== > > > > > To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff > > > > JSP-INTEREST". > > > > > For digest: mailto [EMAIL PROTECTED] with body: "set JSP-INTEREST > > > DIGEST". > > > Some relevant FAQs on JSP/Servlets can be found at: > > > > > > http://archives.java.sun.com/jsp-interest.html > > > http://java.sun.com/products/jsp/faq.html > > > http://www.esperanto.org.nz/jsp/jspfaq.jsp > > > http://www.jguru.com/faq/index.jsp > > > http://www.jspinsider.com > > > > ========================================================================= > >== To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff > > JSP-INTEREST". > > For digest: mailto [EMAIL PROTECTED] with body: "set JSP-INTEREST > > DIGEST". > > Some relevant FAQs on JSP/Servlets can be found at: > > > > http://archives.java.sun.com/jsp-interest.html > > http://java.sun.com/products/jsp/faq.html > > http://www.esperanto.org.nz/jsp/jspfaq.jsp > > http://www.jguru.com/faq/index.jsp > > http://www.jspinsider.com > > > > ========================================================================= > >== To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff > > JSP-INTEREST". For digest: mailto [EMAIL PROTECTED] with body: "set > > JSP-INTEREST DIGEST". Some relevant FAQs on JSP/Servlets can be found at: > > > > http://archives.java.sun.com/jsp-interest.html > > http://java.sun.com/products/jsp/faq.html > > http://www.esperanto.org.nz/jsp/jspfaq.jsp > > http://www.jguru.com/faq/index.jsp > > http://www.jspinsider.com > > =========================================================================== > To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff > JSP-INTEREST". For digest: mailto [EMAIL PROTECTED] with body: "set > JSP-INTEREST DIGEST". Some relevant FAQs on JSP/Servlets can be found at: > > http://archives.java.sun.com/jsp-interest.html > http://java.sun.com/products/jsp/faq.html > http://www.esperanto.org.nz/jsp/jspfaq.jsp > http://www.jguru.com/faq/index.jsp > http://www.jspinsider.com =========================================================================== To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". For digest: mailto [EMAIL PROTECTED] with body: "set JSP-INTEREST DIGEST". Some relevant FAQs on JSP/Servlets can be found at: http://archives.java.sun.com/jsp-interest.html http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.jsp http://www.jguru.com/faq/index.jsp http://www.jspinsider.com
