Hi All,

Using RMI the JOnAS performance is quite good taking up 87% of CPU usage in average 
but RMI has significant drawback that it can only run less than 300 clients 
simultaneously. If i run more than 300 clients, the server and clients will throw 
"connection refused" exception.

Using Jeremie as ORB, I can run more than 600 clients simultaneously but the 
performance of JOnAS with Jeremie is around 1/2 to 2/3 of RMI's. The CPU usage with 
Jeremie also much less (around 50%).

Has anyone have any experiences in this matter? 

Can anyone suggest how to get both performance and scalability issues solved? Are 
there any parameters in JOnAS that can be tuned for optimizing ORB(Jeremie/RMI)?

Thank you very much.


Best regards,

Christopher


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