>From what I could find in the docs you can get contention when updating an entity, or members of an entity group, too frequently. Maybe as little as 1 qps.
It is my understanding that if an entity has no ancestor then for transaction purposes it is in it's own entity group. How is it possible then that I get contention error when creating a new ancestor-less entity? Is there a limit to the number of entities *of the same kind* that you can create per second? I'm letting the datastore provide an auto id key, so it should be that I am not inadvertently trying to put an entity that already exists. I'm using python ndb -- You received this message because you are subscribed to the Google Groups "Google App Engine" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/google-appengine. For more options, visit https://groups.google.com/d/optout.
