Hi all,

I am now preparing the deployment scenario for our new webapp and I am not sure if it is better to have one Tomcat instance per server machine or to have more instances.

I have 3 servers - dual Intel Xeon 3GHz, 4GB RAM each (about 3GB is available for Tomcat etc.). There will be running only about 2-3 webapps. No need to separate webaps to different JVMs. Servers will be in a cluster behind a load balancer. In fact it will be clustered probably with Open Terracotta sessions.

So, is it better (due to performance and number of concurrently served users) to have one Tomcat instance per machine, running in JVM with 2GB heap size (I know this is limit on 32bit system) or to have 2 TC instances (say 1.3GB each) or 3 TC inst. (0.9GB each), 4 inst., .....

Thank you very much
Wenca

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