[jboss-user] [EJB 3.0] - RTT Latency with EJB2x vs. EJB3

[jwalsh]

We were wondering if anyone has seen a large increase in latency with EJB3 beans over EJB2x beans.  We ran a test on two hosts, connected by gigabit ethernet, running Lunux 2.6.19 and JBoss4.0.5GA and found the following results:

[img]http://www.atl.external.lmco.com/projects/QoS/jwalsh/ejb+jtcp.png[/img]

These results are both using stateless beans.  The server bean contains a function that takes a byte array as a parameter, thus allowing us to send various sizes of data.  This function is then called sequentially 1e6 times by a client program which records the RTT each iteration.  Is there this much overhead using POJOs?

Thank you for any thoughts,
-Jonathan Walsh

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