im confused now =( so, even GetObjectById can return Old Data?
Jeff said "If you access the datastore in ReadPolicy.Consistency.EVENTUAL mode...", Is this something i have to "Set"? to all access become "ReadPolicy.Consistency.EVENTUAL" or its just the way im coding.. Thanks again. 2012/2/14 Jeff Schnitzer <[email protected]> > Officially, there is no guaranteed upper bound for queries to become > consistent. In practice it's usually a second or two, but infrastructure > failures could in theory extend the period to minutes or hours or (gasp) > days. > > One thing worth noting: If you access the datastore in > ReadPolicy.Consistency.EVENTUAL mode, get-by-id will be eventually > consistent just like queries. And it's *dramatically* faster, ~1/5 latency > in my recent experiments. > > Jeff > > > On Tue, Feb 14, 2012 at 12:15 PM, Mahron <[email protected]> wrote: > >> get_by_id or GetObjectbyID are supposed to always be consistent. >> Basically all Items returned by query or id are up to date. If it is >> not, there is a serious problem. >> >> "Sometimes the Query returns the value updated, sometimes not." By >> that I suppose it does not return the entity at all. If it returns a >> version different than after the last Put(), then I am pretty sure >> that's a bug. >> >> -- >> 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. >> >> > -- > 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. > -- 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.
