I am trying to go through all entities of a kind, using the __key__ property. I take 10 at a time, and run threads in parallel to do something and then update these entities (I am doing this via remote_api). What I often get is:
TransactionFailedError: too much contention on these datastore entities. please try again. How is this possible? I thought the datastore uses optimistic concurrency based on timestamps of individual records, not pages of adjacent entities? --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
