Thanks Andy. Do you know what happens to a RefenceProperty that has already had the referenced entity "loaded" on the Model instance? Does the referenced entity also get saved in the ProtocolBuffer, or is only its key saved?
On 5 February 2010 16:54, Andy Freeman <ana...@earthlink.net> wrote: > Note that memcaching a protocol buffer has interesting consequences. > One is that the auto-now datetime properties are updated when the > protocol buffer is created. This update is just on the protocol > buffer - it doesn't affect the datastore copy. > > http://code.google.com/p/googleappengine/issues/detail?id=2402 > > On Feb 4, 8:11 am, Sylvain <sylvain.viv...@gmail.com> wrote: > > I think the answer (and more) is here : > http://blog.notdot.net/2009/9/Efficient-model-memcaching > > > > On Feb 4, 10:43 am, Nickolas Daskalou <n...@daskalou.com> wrote: > > > > > > > > > Is it better/safer to store a Model instance into Memcache directly > (Method > > > 1 below), or should we convert it to a protocol buffer first, then > store it > > > (Method 2 below)? > > > > > Method 1: > > > > > memcache.set(cache_key, entity) > > > ... > > > entity = memcache.get(cache_key) > > > > > Method 2: > > > > > memcache.set(cache_key, db.model_to_protobuf(entity)) > > > ... > > > entity = db.protobuf_to_model(memcache.get(cache_key)) > > > > > I'm assuming Method 2 results in a smaller Memcache footprint, yes? > > > > > Nick- Hide quoted text - > > > > - Show quoted text - > > -- > 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-appeng...@googlegroups.com. > To unsubscribe from this group, send email to > google-appengine+unsubscr...@googlegroups.com<google-appengine%2bunsubscr...@googlegroups.com> > . > 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 google-appeng...@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.