[jboss-user] [EJB 3.0] - How to get Query time??
do-not-reply at jboss.com
Wed Feb 7 18:54:55 EST 2007
I'm trying to write some code to evaluate query performance in my ejb3 code. I was wondering if there was some way to get the actual time that it takes jboss to load/store /update stuff in the database. Doint this following will NOT work:
| long t1 = System.currentTimeMillis();
| long updateTime = System.currentTimeMillis() - t1;
This does not work because if this is happening in a transaction the actually storing of the stuff is not done until the end of the transaction, so measuring the time it takes em.merge to complete is not a valid estimate of the actual update time.
Is there any way to tap into some low level jboss API or use interceptors to get a more accurate measure of the database update time??
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