Cross entity group transactions will definitely be slower since it uses a two phase commit. Probably 2-3x, but I haven't done any real measurements (I'm just guessing).
-- Ikai Lan Developer Programs Engineer, Google App Engine plus.ikailan.com | twitter.com/ikai On Tue, Oct 4, 2011 at 4:29 PM, Bryan Donlan <bdon...@gmail.com> wrote: > > > On Oct 4, 2:26 pm, Jeff Schnitzer <j...@infohazard.org> wrote: > > For XG, look at DatastoreService.beginTransaction(TransactionOptions) > > > > Jeff > > Any idea what the performance impact of XG (besides increased chance > of rollbacks) would be? > > -- > 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-appengine@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. > > -- 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-appengine@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.
