Hi Richard, Alright, I've been misunderstanding your issue. I thought you were saying that the datastore put(s) are actually taking more than 10 secs. However, the issue you're tackling with is that, the datastore put calls themselves succeed, but the subsequent global query doesn't pick up the entities within 10 secs.
If that's the case, please forget about tablet split/merge for now. It's a general eventually consistent problem. Let me think about it again. -- Takashi On Wed, Aug 1, 2012 at 1:45 AM, Richard <steven...@gmail.com> wrote: > Hi Takashi, > > App id is sven-wordhero. I don't specify keys when creating the Score() > entities. Just: > x = Score() > x.member = thing > x.put() > > Time is listed on the bottom plot and is actually from a datetime() on the > server, so between 8am and 1pm UTC ? > > > On Tuesday, July 31, 2012 12:32:42 PM UTC-4, Takashi Matsuo (Google) wrote: >> >> Hi Richard, >> >> How do you generate keys for those entities? >> What is your app-id? >> What time do you see this issue(It's not clear from the image, which >> timezone you're in)? >> >> -- Takashi >> >> On Wed, Aug 1, 2012 at 12:33 AM, Richard <steven...@gmail.com> wrote: >> > That might be... but sometimes it is just fine with 600+ players in a >> > game. >> > Then the same time each day when it has only 180 players, it has >> > problems ? >> > Also, this problem started 4 days ago...... >> > >> > I just tried pull queues in the last hour. Some entries to the pull >> > queue >> > arrive later than 10 seconds after being added to the queue. Also, when >> > processing at around 160 players/game, the number of 'late' entries was >> > randomly between 1-10. Obviously, this is completely unacceptable as it >> > appears to players that we 'lose' their score! >> > >> > So it seems PULL queues are not for anything that requires performance >> > (except maybe for batch?) and DEFINITELY NOT for timing.... >> > >> > >> > On Tuesday, July 31, 2012 10:16:22 AM UTC-4, Takashi Matsuo (Google) >> > wrote: >> >> >> >> On Tue, Jul 31, 2012 at 11:08 PM, Richard <steven...@gmail.com> wrote: >> >> > Thank you for that interesting post. Some points though: >> >> > >> >> > - behavior is observed at the same time each day >> >> > - behavior is observed when QPS is lowest >> >> > - behavior is not observed at high QPS >> >> >> >> The traffic patterns seems identical, so isn't it possible that the >> >> issue always happens after deleting bunch of entities? >> >> What happens if you just leave those entities instead of deleting them? >> >> >> >> >> > -- >> > You received this message because you are subscribed to the Google >> > Groups >> > "Google App Engine" group. >> > To view this discussion on the web visit >> > https://groups.google.com/d/msg/google-appengine/-/ZxqrFCQl0YsJ. >> > >> > 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. >> >> >> >> -- >> Takashi Matsuo > > -- > You received this message because you are subscribed to the Google Groups > "Google App Engine" group. > To view this discussion on the web visit > https://groups.google.com/d/msg/google-appengine/-/P1y70hJ2BLIJ. > > 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. -- Takashi Matsuo -- 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.
