How are you accessing the entities? If your accesses are not all in the same transaction, the read-ahead is wasted right now.
-danch Steve Buikhuizen wrote: > Hello, > > I'm trying to get read-ahead working with the 3.0 release. Here's what > my jbosscmp-jdbc.xml looks like. > > <jbosscmp-jdbc> > <defaults> > <datasource>java:/OracleDS</datasource> > <datasource-mapping>Oracle8</datasource-mapping> > <read-ahead> > <strategy>on-load</strategy> > <page-size>1000</page-size> > <eager-load-group>*</eager-load-group> > </read-ahead> > <list-cache-max>1000</list-cache-max> > </defaults> > > <enterprise-beans>........ > > > However, I still get N+1 queries run the the CMP engine so the > performance of the first read is very slow. > > I'm using Commit option A for these beans, could that be creating the > problem? > > I got this config from the standardjbosscmp-jdbc.xml file. I've checked > the CMP docs I purchased for 3.0 CMP > but they are out of date (I'm also chasing Flashline to get an up to > date copy) > > Can anyone tell me how to make this work? I can't use jboss CMP until I > solve this problem and I really want to avoid > BMP. > > Also, if anyone can tell me where I might find docs on replacing the > pluggable load strategy, I'd really like to test this out. > > Steve > > > > ------------------------------------------------------- > Sponsored by: > ThinkGeek at http://www.ThinkGeek.com/ > _______________________________________________ > JBoss-user mailing list > [EMAIL PROTECTED] > https://lists.sourceforge.net/lists/listinfo/jboss-user -- ========================================================================= Disclaimer: All statements are my own, personal opinions and have nothing to do with the opinions of employer, wife, or cat. They may not have anything to do with objective reality, as a matter of fact. Your Milage May Vary, Excludes Delivery Charges, etc. ========================================================================= ------------------------------------------------------- Sponsored by: ThinkGeek at http://www.ThinkGeek.com/ _______________________________________________ JBoss-user mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/jboss-user
