Re: Memory usage with multiple instances of tomcat

2007-08-09 Thread Peter Sparkes
Thank you Chuck and Chris for your help and advice. I will definitely be reading your refs Chris Regards Peter - To start a new topic, e-mail: users@tomcat.apache.org To unsubscribe, e-mail: [EMAIL PROTECTED] For

Re: Memory usage with multiple instances of tomcat

2007-08-06 Thread Peter Sparkes
From: Peter Sparkes [mailto:[EMAIL PROTECTED] Subject: Memory usage with multiple instances of tomcat 1. Does each tomcat instance use a separate 2 GB of memory, ie the 3 instance use 6 GB between them ? 2. or do they potentially share they same memory? Don't confuse virtual memory with RAM

RE: Memory usage with multiple instances of tomcat

2007-08-06 Thread Caldarale, Charles R
From: Peter Sparkes [mailto:[EMAIL PROTECTED] Subject: Re: Memory usage with multiple instances of tomcat The commands -Xms3g -Xmx3g will set the min/max heap to 3 GB, please how do I set the RAM for each instance of Tomcat5.5 to 2 GB You can't set the amount of RAM for any process

Re: Memory usage with multiple instances of tomcat

2007-08-06 Thread Christopher Schultz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Peter, 1. Does each tomcat instance use a separate 2 GB of memory, ie the 3 instance use 6 GB between them ? Each instance gets a separate, 2GB heap space. 2. or do they potentially share they same memory? Since Java 1.5, shared archive

Memory usage with multiple instances of tomcat

2007-08-04 Thread Peter Sparkes
Hi, I followed the Tomcat with 8 GB memory thread but did not find the answer to the following question: I am setting up a Linux server with 8 GB memory which will be running 3 instances of tomcat 5,5; when I allocate memory to java, say 2GB: 1. Does each tomcat instance use a separate 2

Re: Memory usage with multiple instances of tomcat

2007-08-04 Thread Adrian Sutton
You'll need to allocate 2GB to each Tomcat instance. As long as you use the standard Tomcat startup scripts each Tomcat instance will run in a separate JVM (you'd have to be pretty deliberate about making it run any other way). Regards, Adrian Sutton http://www.symphonious.net On

Re: Memory usage with multiple instances of tomcat

2007-08-04 Thread Peter Sparkes
Thanks Adrian Regards Peter You'll need to allocate 2GB to each Tomcat instance. As long as you use the standard Tomcat startup scripts each Tomcat instance will run in a separate JVM (you'd have to be pretty deliberate about making it run any other way). Regards, Adrian Sutton

RE: Memory usage with multiple instances of tomcat

2007-08-04 Thread Caldarale, Charles R
From: Peter Sparkes [mailto:[EMAIL PROTECTED] Subject: Memory usage with multiple instances of tomcat 1. Does each tomcat instance use a separate 2 GB of memory, ie the 3 instance use 6 GB between them ? 2. or do they potentially share they same memory? Don't confuse virtual memory