OK but I prefer being notified about service disruption beforehand and not afterwards... ;-) in case upgrade _has_ to be done the way it is done.
On Wednesday, March 13, 2013 2:36:06 PM UTC+1, barryhunter wrote: > > Surely this is to be expected. > > Before Google annonnces a new release, it has to be rolled out to all > servers. So that when the annoncement is made, the new features can actully > be used. > > So that means every single server has to be updated. Which almost > certainly means bringing it offline (even for jsut a few seconds) - which > means all instances running on it, have to be shutdown. > > They probably dont do single servers at a time, but a whole > rack/data-center worth. So while a large number of applications are shifted > to a new set of servers, there will be a blip. > > (In fact its explicitly noted the rollout is incremental. If they did a > system wide restart, not only would it be an intensive process, doing it > incrementally means it can be aborted early should issues be found, before > it affects all applications) > > > Basically every release brings a mass migration, when all applications > must be reinitialized on the new system. > > > (and that is aside from any bugs, or incompatibltities (intentional or > otherwise) that a new version may bring) > > > > > > On Wed, Mar 13, 2013 at 8:55 AM, Peter Ondruška > <[email protected]<javascript:> > > wrote: > >> Maybe you noticed and maybe it is just rare coincidence but problems we >> see usually come before new release(?) Is it only me to observed this? >> >> -- >> You received this message because you are subscribed to the Google Groups >> "Google App Engine" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected] <javascript:>. >> To post to this group, send email to >> [email protected]<javascript:> >> . >> Visit this group at http://groups.google.com/group/google-appengine?hl=en >> . >> For more options, visit https://groups.google.com/groups/opt_out. >> >> >> > > -- You received this message because you are subscribed to the Google Groups "Google App Engine" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/google-appengine?hl=en. For more options, visit https://groups.google.com/groups/opt_out.
