Hi Marcel, On Wed, May 11, 2011 at 6:01 AM, Marcel Overdijk <[email protected]>wrote:
> My first feelings about the new pricing model were negative. > But it seems we have to cope with it, and I'm now looing into in what > it means concretely. > > If I understand correctly a Paid app will cost $9 p/month independent > of storage, bandwith or running instanges. > No big deal. > > Paid apps get 24H free instance hours p/day. > > So if I understand correctly for $9 p/month I can have a paid app > running on 1 instance. > I only need to pay for data/blobstore, email, xmpp and channel API > calls beyond there free limits. > Any API calls for e.g. requests, memcache, tasks is included in the $9 > p/month. > > Now Java supports the threadsafe option and Google is also enhancing > the usage of instances/instance hours. > > If I need more then 1 instance, e.g. 2 instance average this will > cost: > $9 p/month fixes > 1st instance free > 2nd instance 24 * 30 * 0.08 = +/- 57.50 > That's correct, but this isn't a discrete jump - if your traffic goes up a little, you're likely to need more instances only for the periods where your traffic is higher. You won't be running more instances all the time. > > So 1 instance $9 > And per addition instance 57.50 additional costs. > > Please correct me if wrong. > > Now 3 questions: > > 1. Is GAE able to auto-scale (start and stop additional needed > instances) automatically? > Yes, App Engine will continue to be able to do this. > 2. Can we run additionally needed instances for only part of the day? > E.g. during peak hours? This is related to question 1 about auto- > scalability. > Yes. The App Engine scheduler will start and stop instances as needed. > 3. How much can 1 instance handle? What is the predictiveness of > knowing how many instances are needed? > That depends on your app and its latency. We're still working on scheduler changes to ensure we schedule only as many instances as your app needs. -Nick Johnson > > > -- > 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. > > -- Nick Johnson, Developer Programs Engineer, App Engine -- 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.
