The strength of GAE is to handle many simultaneous requests (scalability). If they only read objects then there is absolutely no lock problem. If multiple requests want to write-to/update a single object/entity-group you can get collisions. They are resolved by executing your code in a transaction.
http://code.google.com/appengine/docs/python/datastore/transactions.html 2009/1/30 arnie <parvez...@rediffmail.com>: > If multiple iphone users are accessing the wsgi app in about same > time, will GAE manage this? Or does there will occur any lock > problems? --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---