You might also consider emplying some kind of concurrency control for long-living objects, i.e. automatic versionning and attach/detach strategies.
Renat On 20/02/2008, Davor Hrg <[EMAIL PROTECTED]> wrote: > > the reason you should be most concerned is that > in one request session#1 loads the object > in other request session#2 loads objects > if you use relations from second request LazyLoadExceptions will happen > if you try to force old object from #1 to session#2 you can fix problems > but this is not recomended approach > > to ensure less headaces and complicated ecxeptions (for me at least :) ) > > > keeping session free of large objects should concern you only for high > traffic sites > and DDR2 is so cheap nowdays, or when in a cluster that serializes > session. > > > to optimize database access you shoud use hibernate's second level cache > and not try to hold on to loaded objects for speed. > > I tried all those wrong ways of working with hibernate ... and belive me > it is no fun at all :D > > Davor Hrg > > > > > On Feb 20, 2008 9:14 AM, Chris Lewis <[EMAIL PROTECTED]> wrote: > > This is a great list to have around - perhaps we can add reasons for > > each of the steps. Davor I've heard what you're saying before, but I > > forget the reason behind it (I assume LazyLoadException has something to > > do with it). Is it for keeping http session free of large objects? > > Preventing LazyLoadExceptions? What if you make it transient first (if > > you can without deleting it)? > > > > > > Davor Hrg wrote: > > > also, > > > > > > don't persist hibernate entities, persist keys only > > > > > > > > > On Feb 20, 2008 3:01 AM, Angelo Chen <[EMAIL PROTECTED]> > wrote: > > > > > >> Hi, > > >> > > >> What is the proper way of using hibernate in T5? is following list > correct? > > >> > > >> 1. Don't commit, let Tapestry-Hibernate take care of that. > > >> 2. Commit only if you are going to start a thread with Session as > well. > > >> 3. Use session.save for the new objects, after that, any updates to > the > > >> object does not require a save > > >> > > >> ? > > >> > > >> A.C. > > >> -- > > >> View this message in context: > http://www.nabble.com/T5%3A-how-to-use-Hibernate-properly--tp15580722p15580722.html > > >> Sent from the Tapestry - User mailing list archive at Nabble.com. > > >> > > >> > > >> --------------------------------------------------------------------- > > >> 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] > > > > > > > > > > > > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > > -- Best regards, Renat Zubairov
