Hi Hamish, On Fri, Jun 8, 2012 at 12:27 AM, Hamish <[email protected]> wrote:
> Hi Takashi, > > Thank you for the reply. > > I understand from your point of view it is expected behaviour but from > ours it is not. We were not notified of any data centre move and to have > our application suddenly stop responding even for a short while is not > acceptable. > Well, I can understand your feeling, but we don't usually notify you beforehand about such a move. One of the beauty of App Engine is that you don't have to worry about those kind of things. In terms of outage, if you feel it violated our SLA, please fill a form at: http://support.google.com/code/bin/request.py?contact_type=cloud_platform_billing > > Is it possible for you to do such moves more gradually? Such as serve some > requests from the new location and then once things are warmed up and > working switch all the traffic to the new location. > Thanks for the feedback. Can you file a feature request for that? > Are all our application instances in the same data centre? Is this always > the case? I would hope there would be some kind of geographic spread to the > location of instances if requests are coming in from different parts of the > world. > Unfortunately, I don't think I can answer the few questions here, but in general, we're working hard and discussing several possibilities including things you're suggesting, in order to improve the developer experiences. -- Takashi > > Thanks again you for your help, > Hamish > > > > > On Tuesday, June 5, 2012 1:37:26 PM UTC+1, Takashi Matsuo (Google) wrote: >> >> >> Hi Hamish, >> >> It's totally an expected behavior because we moved your application from >> one datacenter to another around that time. In the current system design, >> when it happens, your instances will need to be re-loaded in the new >> datacenter. Also, all of your memcache content will be flushed in that case. >> >> Although we're trying hard to avoid this situation as much as possible, >> but it can happen to any application. So it is very important to keep your >> application fast even on the loading request in order to minimize the >> damage to your system during such serving changes. >> >> -- Takashi >> >> >>> Can someone please look into this for me? >>> >>> Thank you, >>> Hamish >>> >>> -- >>> 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<[email protected]> >>> . >>> To unsubscribe from this group, send email to >>> google-appengine+unsubscribe@**googlegroups.com<google-appengine%[email protected]> >>> . >>> For more options, visit this group at http://groups.google.com/** >>> group/google-appengine?hl=en<http://groups.google.com/group/google-appengine?hl=en> >>> . >>> >>> >> >> >> -- >> Takashi Matsuo | Developer Advocate | [email protected] >> > -- > 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/-/1oALuvC2t78J. > > 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. > -- Takashi Matsuo | Developer Advocate | [email protected] -- 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.
