Patrick, let us know if you do find any glaring differences. Nothing we've done yet has demonstrated that JDO/JPA introduces anything beyond negligible overhead to queries, but we're always in need of more good data.
On Thu, Mar 4, 2010 at 11:47 PM, Patrick Twohig <patr...@namazustudios.com> wrote: > Ikai, > > Off hand, no. Since I started using the low-level API, I've added lots of > caching and the like so anything I could pull out of my code wouldn't > exactly be a fair comparison. If I come across anything, I'll post it. > When I was using JDO, I didn't see much that let me tune how aggressively it > fetched entities from the datastore, which may have contributed to the > frustrated I was having. I have had reasonably good success being able to > adjust the fetching options manually. > > Pat. > > On Thu, Mar 4, 2010 at 11:56 AM, Ikai L (Google) <ika...@google.com> wrote: >> >> Patrick, do you have any examples of queries implemented using JDO/JPA >> versus the low-level API that can demonstrate that JDO/JPA queries >> introduce overhead? If you can post them, the datastore team will take >> a look at it. >> >> On Thu, Mar 4, 2010 at 9:49 AM, Patrick Twohig >> <patr...@namazustudios.com> wrote: >> > Just a heads up, if you're using GAE/J and I've had much better >> > performance >> > with the low-level API over JDO/JPA. >> > >> > Pat. >> > >> > -- >> > Patrick H. Twohig. >> > >> > Namazu Studios >> > P.O. Box 34161 >> > San Diego, CA 92163-4161 >> > >> > -- >> > You received this message because you are subscribed to the Google >> > Groups >> > "Google App Engine" group. >> > To post to this group, send email to google-appeng...@googlegroups.com. >> > To unsubscribe from this group, send email to >> > google-appengine+unsubscr...@googlegroups.com. >> > For more options, visit this group at >> > http://groups.google.com/group/google-appengine?hl=en. >> > >> >> >> >> -- >> Ikai Lan >> Developer Programs Engineer, Google App Engine >> http://googleappengine.blogspot.com | http://twitter.com/app_engine >> >> -- >> You received this message because you are subscribed to the Google Groups >> "Google App Engine" group. >> To post to this group, send email to google-appeng...@googlegroups.com. >> To unsubscribe from this group, send email to >> google-appengine+unsubscr...@googlegroups.com. >> For more options, visit this group at >> http://groups.google.com/group/google-appengine?hl=en. >> > > > > -- > Patrick H. Twohig. > > Namazu Studios > P.O. Box 34161 > San Diego, CA 92163-4161 > > -- > You received this message because you are subscribed to the Google Groups > "Google App Engine" group. > To post to this group, send email to google-appeng...@googlegroups.com. > To unsubscribe from this group, send email to > google-appengine+unsubscr...@googlegroups.com. > For more options, visit this group at > http://groups.google.com/group/google-appengine?hl=en. > -- Ikai Lan Developer Programs Engineer, Google App Engine http://googleappengine.blogspot.com | http://twitter.com/app_engine -- You received this message because you are subscribed to the Google Groups "Google App Engine" group. To post to this group, send email to google-appeng...@googlegroups.com. To unsubscribe from this group, send email to google-appengine+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-appengine?hl=en.
