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In a high-load environment, can Tomcat servlets become a bottleneck  running in front 
of  EJBs that reside within JBoss?  Since the JBoss EJB server acts as a TP monitor, 
theoretically it can support many concurrent connections/EJB calls at the same time.  
However, the Tomcat servlet engine, if it was running in  front of  the EJB server, 
could become a potential bottleneck, since  I do not believe that the servlet engine 
is designed like a TP monitor.  Therefore, many concurrent calls could potentially be 
slowed down by the servlet engine, negating performance advantages of using EJBs.   



If you , would running the servlets on a web tier of servers calling the EJB server 
give better EJB performance and throughput? (disregarding the overhead of 
serialization/de-serialzation with RMI and the lowering of overhead by running 
servlets in a web server tier)

 

 Is this concern reasonable?




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