# The Cost Of An "Empty" Transaction--Screencast

Is it worth to disable transaction (with e.g. @TransactionAttribute(TransactionAttributeType.NEVER)) on an EJB method for optimization purposes?
Such micro-optimizations increase the complexity, but what is the actual benefit?


In this following screencast a Servlet was deployed with and without involving a UserTransaction and the performance difference was measured with JMeter.





Thanks for watching!


See also other screencasts at: http://tv.adam-bien.com or subscribe to http://www.youtube.com/user/bienadam.



See you at Java EE Workshops at MUC Airport!