I've been given the impression from these forums that the datastore admin tool is so expensive for exactly the reason you've stated David - it loads each entity by key before deletion, whereas deleting purely on keys is much cheaper CPU-wise as you don't need to bother with the retrieval of the entire entity to carry out the delete.
-- 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.
