All hub's vitals look normal. There is a slight drop in the number of feeds processed by the hub per second, but it's not as dramatic as on your graph.
Is it possible that many of your past subscriptions expired at about the same time? The only other explanation I have right now is that there was a changes in one of the big feed providers (such as blogger or feedburner), but that's just a guess. Roman. On Tue, Nov 26, 2013 at 3:13 PM, Dmitry Krasnoukhov <[email protected]>wrote: > Hello again. > > I'm seeing exact opposite problem starting from Monday 00:00 UTC. > Callbacks number decreased at about triple. > > Our logs showing that there are less requests from google hub. Here is our > metrics: > > > <https://lh5.googleusercontent.com/-tGUXnPuK5k4/UpSrrr3yO7I/AAAAAAAAAFo/6ju7IDjXTSk/s1600/graphite.theoldreader.png> > > Do you have ideas what's going on? > > On Friday, November 15, 2013 5:31:33 PM UTC+2, Roman Perepelitsa wrote: > >> There were more than 25 articles published on http://www.spoilertv.com/ >> feeds/posts/default<http://www.google.com/url?q=http%3A%2F%2Fwww.spoilertv.com%2Ffeeds%2Fposts%2Fdefault&sa=D&sntz=1&usg=AFQjCNGE7jfjEojzCweg0V1MM_RB4j-Upw>today. >> Before the blogger fix, most of the articles would not be pushed in >> realtime; they would be batched in pairs or triples and sent later. After >> the fix every new post on blogger is pushed immediately. >> >> Does it make sense? Do you see any updates that are indeed redundant? >> >> Roman. >> >> >> On Fri, Nov 15, 2013 at 4:02 PM, Dmitry Krasnoukhov < >> [email protected]> wrote: >> >>> Oh, my bad. Yeah, it's for >>> http://www.spoilertv.com/feeds/posts/default<http://www.google.com/url?q=http%3A%2F%2Fwww.spoilertv.com%2Ffeeds%2Fposts%2Fdefault&sa=D&sntz=1&usg=AFQjCNGE7jfjEojzCweg0V1MM_RB4j-Upw> >>> and >>> I've talked about this feed. >>> >>> >>> On Friday, November 15, 2013 4:55:55 PM UTC+2, Roman Perepelitsa wrote: >>> >>>> Are you sure this isn't a callback for http://www.spoilertv.com/f >>>> eeds/posts/default<http://www.google.com/url?q=http%3A%2F%2Fwww.spoilertv.com%2Ffeeds%2Fposts%2Fdefault&sa=D&sntz=1&usg=AFQjCNGE7jfjEojzCweg0V1MM_RB4j-Upw> >>>> ? >>>> >>>> >>>> On Fri, Nov 15, 2013 at 3:46 PM, Dmitry Krasnoukhov < >>>> [email protected]> wrote: >>>> >>>>> Ok, nice to hear that we're not alone. >>>>> >>>>> Here it is: http://theoldreader.com/feeds/5149af1374f7f5804100f60f/p >>>>> ubsub<http://www.google.com/url?q=http%3A%2F%2Ftheoldreader.com%2Ffeeds%2F5149af1374f7f5804100f60f%2Fpubsub&sa=D&sntz=1&usg=AFQjCNH6BQdRvXI9xJaoYZTOixbYQQwHUw> >>>>> >>>>> >>>>> On Friday, November 15, 2013 4:41:50 PM UTC+2, Roman Perepelitsa wrote: >>>>> >>>>>> I received a similar report from Feedly, so there is definitely >>>>>> something going on. I have an idea what it might be but I'm not 100% sure >>>>>> yet. >>>>>> >>>>>> Dmitry, what's your callback URL for http://feeds.feedburner.co >>>>>> m/blogspot/familyguy? >>>>>> >>>>>> Roman. >>>>>> >>>>>> On Fri, Nov 15, 2013 at 2:23 PM, Roman <[email protected]> wrote: >>>>>> >>>>>> On Fri, Nov 15, 2013 at 2:22 PM, Dmitry Krasnoukhov < >>>>>>> [email protected]> wrote: >>>>>>> >>>>>>>> As I can see from our logs, we got about 720 callbacks on this feed >>>>>>>> today: http://feeds.feedburner.com/blogspot/familyguy >>>>>>>> But it contains only one fresh post. >>>>>>>> >>>>>>> >>>>>>> Thanks! I'll take a look. >>>>>>> >>>>>>> Do you need few more examples? >>>>>>>> >>>>>>> >>>>>>> Not yet. I'll get back to you when I find out what's going on. >>>>>>> >>>>>>> On Friday, November 15, 2013 3:12:51 PM UTC+2, Roman Perepelitsa >>>>>>>> wrote: >>>>>>>> >>>>>>>>> Hi Dmitry, >>>>>>>>> >>>>>>>>> Why do you think the callbacks are unnecessary? Could you give a >>>>>>>>> couple of examples? >>>>>>>>> >>>>>>>>> I see a slight increase in content distribution rate due to a bug >>>>>>>>> fix recently deployed on Blogger. The difference is barely noticeable >>>>>>>>> but >>>>>>>>> if your subscriber happens to subscribe mostly to Blogger, you'd see a >>>>>>>>> bigger difference. >>>>>>>>> >>>>>>>>> Roman. >>>>>>>>> >>>>>>>>> >>>>>>>>> On Fri, Nov 15, 2013 at 2:04 PM, Dmitry Krasnoukhov < >>>>>>>>> [email protected]> wrote: >>>>>>>>> >>>>>>>>>> Does anyone else seeing a sudden increase in unnecessary pubsub >>>>>>>>>> callbacks from AppEngine-Google since ~7:50 UTC today? >>>>>>>>>> >>>>>>>>>> -- >>>>>>>>>> >>>>>>>>>> --- >>>>>>>>>> You received this message because you are subscribed to the >>>>>>>>>> Google Groups "Pubsubhubbub" group. >>>>>>>>>> To unsubscribe from this group and stop receiving emails from it, >>>>>>>>>> send an email to [email protected]. >>>>>>>>>> >>>>>>>>>> For more options, visit https://groups.google.com/groups/opt_out. >>>>>>>>>> >>>>>>>>> >>>>>>>>> -- >>>>>>>> >>>>>>>> --- >>>>>>>> You received this message because you are subscribed to the Google >>>>>>>> Groups "Pubsubhubbub" group. >>>>>>>> To unsubscribe from this group and stop receiving emails from it, >>>>>>>> send an email to [email protected]. >>>>>>>> For more options, visit https://groups.google.com/groups/opt_out. >>>>>>>> >>>>>>> >>>>>>> >>>>>> -- >>>>> >>>>> --- >>>>> You received this message because you are subscribed to the Google >>>>> Groups "Pubsubhubbub" group. >>>>> To unsubscribe from this group and stop receiving emails from it, send >>>>> an email to [email protected]. >>>>> For more options, visit https://groups.google.com/groups/opt_out. >>>>> >>>> >>>> -- >>> >>> --- >>> You received this message because you are subscribed to the Google >>> Groups "Pubsubhubbub" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to [email protected]. >>> For more options, visit https://groups.google.com/groups/opt_out. >>> >> >> -- > > --- > You received this message because you are subscribed to the Google Groups > "Pubsubhubbub" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/groups/opt_out. > -- --- You received this message because you are subscribed to the Google Groups "Pubsubhubbub" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/groups/opt_out.
