Not sure if there is any tool can help to do the migration. Usually we will use low level API to iterate through all existing entities and save.
If your total number of entities is less than 100K, then GAE can finish it in 30s. If it's more, then you will need to use cursor + task queue or backend process. -- 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.