My issue is even just fetching the entities. Despite of changing relationships to LAZY fetch, I find that querying the DB takes a really long time. I have experienced the commit issue as well,but I've worked around that by being careful on what I cascade through different entities.
Brill Pappin wrote: > > As a rule you can expect *any* orm framework to be slower than simple > JDBC, > there is simply more to do... What you gain from it is ease of maintenance > and implementation which will save you time later (often a lot of time). > As with anything, you need to weigh the benefits of any solution over > another but in my experience most applications don't require such high > throughput that anyone would notice a couple of milliseconds saved here > and > there... Of course it'll depend on what your doing :) > > However... > > I've just been doing some work tonight, and am finding that begin() -> > commit() transactions take longer and longer (in my case I have a very > large > update that is broken down into chunks). I haven't traced the problem yet > and it may be configuration related, however the time grows exponentially. > Does that sound like the same problem you are having? > > - Brill > > -----Original Message----- > From: Patrick T [mailto:[EMAIL PROTECTED] > Sent: Friday, March 28, 2008 3:55 PM > To: [email protected] > Subject: Slow JPA > > > Hello Everyone, > > I'm just wondering if anyone else is finding JPA slower than simple jdbc > implementations. I have tried setting up some of the attributes to Lazy > fetch and I still find it to be extremely slow. This is causing my web > pages > to load in the upwards of 10 seconds. I have tried running the PCEnhancer > and still takes a long time to fetch data. Does anyone have any > suggestions > to speed it up? Thanks. > > Patrick > -- > View this message in context: > http://www.nabble.com/Slow-JPA-tp16360845p16360845.html > Sent from the OpenJPA Users mailing list archive at Nabble.com. > > > -- View this message in context: http://www.nabble.com/Slow-JPA-tp16360845p16491755.html Sent from the OpenJPA Users mailing list archive at Nabble.com.
