RE: Memory problems with Tomcat 4.1.27

2004-06-01 Thread Shapira, Yoav
Hi, You can check the Sun site and places like javaperformancetuning.com for papers on heap versus overall app memory. This has also been addressed several times on this list, so an archive search might prove interesting. You might have a memory leak: run inside a profiler to see if there are

Re: Memory problems with Tomcat 4.1.27

2004-06-01 Thread john cho
There could be many issues related with this kind of problems. 1. Based upon your large loading process, check your database with your dba such as how many open cursors and so on. 2. u did not close each connection, statement, resultset and it keeps building up. 3. I guess u are looping thru

RE: Memory problems with Tomcat 4.1.27

2004-06-01 Thread Anand Narasimhan
Hi, Thanks for the reply. I will check with our database guys and let you know. Anand -Original Message- From: john cho [mailto:[EMAIL PROTECTED] Sent: Tuesday, June 01, 2004 8:32 AM To: Tomcat Users List Subject: Re: Memory problems with Tomcat 4.1.27 There could be many issues

RE: Memory problems with Tomcat 4.1.27

2004-06-01 Thread Anand Narasimhan
Users List Subject: RE: Memory problems with Tomcat 4.1.27 Hi, You can check the Sun site and places like javaperformancetuning.com for papers on heap versus overall app memory. This has also been addressed several times on this list, so an archive search might prove interesting. You might have

RE: Memory problems with Tomcat 4.1.27

2004-06-01 Thread Bret Kumler
Try using http://research.sun.com/projects/jfluid/ -Original Message- From: Anand Narasimhan [mailto:[EMAIL PROTECTED] Sent: Tuesday, June 01, 2004 11:27 AM To: 'Tomcat Users List' Subject: RE: Memory problems with Tomcat 4.1.27 Hi, Thanks for your reply. I tried running tomcat

Re: Memory problems

2003-07-25 Thread John Turner
More likely you are hitting an OS limit, such as number of processes, number of open files, number of connections, etc. I have 20 instances of Tomcat running on 4 GB of RAM, and about 800MB stays free. John Reynir Hübner wrote: Hi, I have a server that I am trying to deploy 36

RE: Memory problems

2003-07-25 Thread Shapira, Yoav
Howdy, Check the OS limits for the user account that's running tomcat (e.g. ulimit -a). Max out whatever you can. Are you trying for one instance with 36 webapps or 36 instances of tomcat? (It doesn't really matter, both should work, I'm just curious) Yoav Shapira Millennium ChemInformatics

RE: Memory problems

2003-07-25 Thread Reynir Hübner
it in windows). Thanx -reynir -Original Message- From: John Turner [mailto:[EMAIL PROTECTED] Sent: 25. júlí 2003 13:47 To: Tomcat Users List Subject: Re: Memory problems More likely you are hitting an OS limit, such as number of processes, number of open files, number

Re: Memory problems

2003-07-25 Thread John Turner
PROTECTED] Sent: 25. júlí 2003 13:47 To: Tomcat Users List Subject: Re: Memory problems More likely you are hitting an OS limit, such as number of processes, number of open files, number of connections, etc. I have 20 instances of Tomcat running on 4 GB of RAM, and about 800MB stays free. John

RE: Memory problems

2003-07-25 Thread Reynir Hübner
Hi, Well we made a workaround for this by setting up multiple instances of tomcat. Thanx for the info, it was helpful. -reynir -Original Message- From: John Turner [mailto:[EMAIL PROTECTED] Sent: 25. júlí 2003 14:15 To: Tomcat Users List Subject: Re: Memory problems Our