[jboss-user] [EJB3] - Re: Correct approach for creating a large number of records

John Ament do-not-reply at jboss.com
Fri Dec 10 12:14:10 EST 2010

John Ament [http://community.jboss.org/people/meetoblivion] created the discussion

"Re: Correct approach for creating a large number of records"

To view the discussion, visit: http://community.jboss.org/message/575465#575465

well among my issues now is that i'm realizing conceptually, what i'm doing won't work long term.  Basically, I have this method that will insert a collection of objects into the database

public void persistAsAGroup(List<Evaluation> evals) {
        StatelessSession session = sf.openStatelessSession();
        for(Evaluation evaluation : evals) {
            logger.info("inserting an eval");

Part of my issue with this ended up being a discrepancy between the size of the objects in here and hibernate.jdbc.batch_size.  When they got to the same size, everything worked fine.  I wonder though, should the same code above work correctly if I'm using EntityManager instead of StatelessSession? Why does it generate a new database connection on each insert?

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