On this note, I'm not actually able to see the query latency chart. Is that something broken for me or everybody else?
http://code.google.com/status/appengine/detail/datastore/2010/03/07#ae-trust-detail-datastore-query-latency On Fri, Mar 5, 2010 at 11:05 AM, Ikai L (Google) <ika...@google.com> wrote: > 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<google-appengine%2bunsubscr...@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<google-appengine%2bunsubscr...@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<google-appengine%2bunsubscr...@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<google-appengine%2bunsubscr...@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.
