Robert S. Sfeir dijo: > Brian, > Thanks for the post. The times between rc2 and 1.0, I believe, are > actually > to new PersistentFieldIntrospectorImplNew. If you're not using that, you > should and you'll see an even bigger diff. That setting can be changed in > OJB.properties > > HTH > R > > P.S. Did you post this on Hibernate list??? :-)
lol. Seriously, I think it is a good idea, perhaps they can find where the problem is. I know it is OT for our list. Thanks Brian for the feedback. :-) Best Regards, Antonio Gallardo. > > > On 8/9/04 8:57 AM, "Mcgough, Brian Joseph" <[EMAIL PROTECTED]> wrote: > >> All, >> >> I just wanted to share some data points that were recently collected >> that compare OJB and Hibernate and the ability to scale with both. >> >> We had a data file with only 10,000 records in it that we needed to load >> into our database. Typically we use our batch environment, but given >> that we are a java shop now, we wanted to see if we could use java and >> our ORM tool to get the job done. >> >> We started out using Hibernate for this, and we found that we had some >> real problems. It just would not scale whether or not we were using >> transactions. We found that it would take greater than 17 hours to load >> only 7500 of the records. Obviously this is unacceptable performance, >> and so we thought to try the same thing using OJB. >> >> I am happy to report that using OJB we were able to load the whole file >> of 10,000 in under 12 minutes. >> >> In addition to this, we just recently upgraded a project from OJB 1.0 >> rc2 to OJB 1.0 and I am happy to report that for that particular project >> db performance was improve by a factor greater than 10. This is mostly >> due to the new implementation for FieldAccess. >> >> I just wanted to thank the developers for their attention to detail in >> regards to ensuring that the overhead above jdbc was minimal, and for >> all of the tests that they have written to ensure that is the case. We >> are very happy that we are still able to use ORM for this instead of >> straight jdbc, because the rest of the application is written using the >> ORM. >> >> Anyway I just wanted to share these points with the group, for those of >> you that are out there and are on the sidelines as far as which >> framework will scale better. >> >> Brian McGough >> IU - UITS - UIS - SIT >> (812) 856-4871 >> > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
