Thomas this was very helpful. Regards, Ankush --- Thomas Beale <Thomas.Beale at OceanInformatics.biz> wrote:
> husain poredom wrote: > > Hi, > > But for end user is always worry with the > performance issue. > > How this RIM helps in the performance point of > view > > Husain > > > > *//* > yes, sorry, I wasn't aware that you were thinking > from that perspective. > Well, performance is a big issue, but a few things > to note: > > * latency is usually the main issue (how fast a > it takes to get a > response on the GUI), particularly in the > presence of other users > and server-side queries > * persistence architecture is almost always the > single greatest > determinant of latency as experienced by the > user > * the Ocean Informatics .Net openEHR > implementation performs pretty > well already; we are currently building large > record sets and test > applications to simulate medium to large size > EHR systems. > * with the Java implementation, tests on openEHR > structures built > using vanilla hibernate schemas performed very > badly; as soon as > the structures were adjusted to be less > fine-grained, a 4 second > wait turned into a 2 millisecond wait. > * I theorise that the method of persistence > documented here > > (http://www.openehr.org/FAQs/t_persistence_notes.htm) > may well be > an order of magnitude faster (including for > complex queries) than > any method. > > hope this helps, > > - thomas beale > > __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com

