Joshua is right : contention during statistics writes has to be fixed with sharding. http://code.google.com/appengine/articles/sharding_counters.html
Seems odd at the beginning, but give it a try, works like a charm. If you wish, I have some code that I can share to shard automatically when the datastore throws a contention exception. -- You received this message because you are subscribed to the Google Groups "Google App Engine" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/google-appengine?hl=en.
