En l'instant précis du 01/03/07 09:03, Nurul Zaman bin Mohamed Akbar s'exprimait en ces termes: > Thanks for the swift response. You did mention of a lambda tool. Can you > direct me to a place where I can get more information on it? > > I too have the same fears that increasing the memory will just delay the > inevitable memory problems. Is there any other suggestions that you might > have on this (For e.g. is there any tool that can pinpoint where the memory > problem is in the application without having the sourcec code). > finding and solving memory related problem is all described in FAQ i pointed you. Lambda probe is more a replacement to tomcat manager that can show you some informations about tomcat and webapps activity (sessions management, datasources, a bit of memory control, etc) . Just google for it. > Thanks > > -----Original Message----- > From: David Delbecq [mailto:[EMAIL PROTECTED] > Sent: 01 March 2007 15:36 > To: Tomcat Users List > Subject: Re: Need some pointers on how to troubleshoot performance > problemsof an application running on tomcat and java > > En l'instant précis du 01/03/07 08:15, Nurul Zaman Mohamed Akhbar > s'exprimait en ces termes: > >> Hi, >> >> I am new to Tomcat. I have an enterprise application (which was >> developed by an external vendor and for which we have no source code) >> that is running on the followng: >> >> 1. Apache Tomcat 4.1.31 >> 2. J2SDK1.4.2_11 >> 3. Windows 2003 OS SP1. >> >> The hardware is as follows: >> HP 2-CPU machine >> 2 GB Memory >> >> The database used is SQL-Server 2000 SP4. >> >> The setup is configured so that Tomcat uses maximum 750 MB of RAM. The >> problem is that the memory used by Tomcat continues to increase until >> it has no memory to find and then it crashes. The only way to recover >> is to re-start the tomcat server. >> >> > Memory leak > >> I need help in finding out why this happens ? Are there any known >> issues in tomcat 4.1.31 ? Is the Garbage collector in J2SDK1.4.2_11 buggy? >> >> > It's most probably inside the vendor's application. One simple but ugly way > to delay this problem is to increase memory available to java. One other > ugly solution is to restart tomcat every night. > read this for details on memory problems and solutions > http://tomcat.apache.org/faq/memory.html > > to monitor tomcat in general, lambda probe can be useful > >> If I were to monitor the performance of the applications, what kind of >> tools are available? Are there any tools to search for memory leaks in >> the application ? I hope someone can guide me to the correct answers >> (or atleast to the correct websites or tools). >> >> Thanks in advance >> >> >> >> Nurul Zaman Bin Mohamed Akbar >> Application Analyst >> EXT: 8291 >> >> >> Disclaimer Note. >> >> >> >> This e-mail and any files transmitted with it is confidential and intended >> > solely for the use of the individual or entity to whom it is addressed. If > you are not the intended recipient, or the person responsible for delivering > the e-mail, be advised that you have received this e-mail and any files > transmitted with it in error and that any use, dissemination, forwarding, > printing or copying of this e-mail and any files transmitted with it is > strictly prohibited. If you have received this e-mail and any files > transmitted with it in error, please advise the sender immediately by reply > e-mail and delete this message. > >> >> >> Thank you for your co-operation. >> >> >> >> >> >> >> > > > --------------------------------------------------------------------- > To start a new topic, e-mail: users@tomcat.apache.org To unsubscribe, > e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > > > --------------------------------------------------------------------- > To start a new topic, e-mail: users@tomcat.apache.org > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > >
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