If I'm not wrong Count will cost 1 Datastore Small-op per Entity counted, so if the count is N, it will cost N Datastore Small-op. Each Query operation should cost 1 Datastore Read per Entity returned.
Obviously, caching is the best method to bring down the cost, but it will also depend on your caching strategy, -- You received this message because you are subscribed to the Google Groups "Google App Engine" group. To view this discussion on the web visit https://groups.google.com/d/msg/google-appengine/-/t17QESbIsoYJ. 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.
