Hi Daniel, On Thu, Jun 10, 2010 at 7:02 PM, dsw <[email protected]> wrote:
> There should be a better place for me to post this as it is a comment > on the recent downtime notification, which is actually a different > google group. > > (1) The recent downtime announcement said: > > > We want to stress that these unapplied > > writes do not impact the transactional consistency of application data > > and resulted in corruption. > > I'm hoping they meant "and did *not* result in corruption". > That's correct. > > (2) Question: if there are unapplied writes, what was my application's > experience when the unapplied write happened? Did it get a failure > during the write? I hope so, because at least then it could respond. > > It would be worse if the write seemed to go through and then just got > sent into the unapplied writes bucket. > The write would have succeeded, and readers would have seen it (at least briefly), but the write was 'undone' when we were forced to fail over to the secondary datacenter. The unapplied writes you now see are the contents of the writes that were reverted in this fashion. -Nick Johnson > Daniel > > -- > 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]<google-appengine%[email protected]> > . > For more options, visit this group at > http://groups.google.com/group/google-appengine?hl=en. > > -- Nick Johnson, Developer Programs Engineer, App Engine Google Ireland Ltd. :: Registered in Dublin, Ireland, Registration Number: 368047 Google Ireland Ltd. :: Registered in Dublin, Ireland, Registration Number: 368047 -- 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.
