Hi Bertrand,
yes.. your scenario sound realistic.
Remember that drools sacrifice memory for performance, in other words if you create 1 million of objects, the memory footprint will be high because of that.
There are different ways to distribute the load to different Virtual Machines and different physical machines. You can see the VSM apis (experimental) and also the Drools Execution Server that you mention. We are releasing a new version of the execution server that will make things easier.

Greetings.




2010/3/26 Bertrand Grottier <b_grottier@hotmail.com>
Hello,

I just posted another message related to Drools server.

As I said before, I am in the learning process of Drools.

However, in the future, I will have to deploy a client - Drools server application.

To fix ideas, there would be around 30 instances of Drools on a physical server. The rules differ between each logical server. Is this realistic ?

The memory footprint is of great concern. Are there different possible architectures influencing it ? How can we tune the JVM & Drools to minimize the memory footprint ?
I would be very interested in experiments from others (number of rules and facts, memory footprint).

Thank you in advance.

Benoît


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