I did some math on this recently for my application but my application's numbers won't fit your application. Each application is going to have a different performance profile. You need to profile your application and determine what it will use in resources. My application is very CPU intensive so I've used my CPU quota well before ever reaching my request quota.
As I understand it you'll face a recurring charge for data persisted above the quota. http://code.google.com/appengine/docs/quotas.html http://code.google.com/appengine/docs/quotas.html#Datastore I used the numbers in that link, along with a few days worth of profiling data from my application, coupled with an AdSense revenue projection to determine what performance criteria the application would have to fulfill to be profitable should it become popular and need to scale beyond free. If you are seriously thinking you'll go beyond 1.3 million requests a day I suggest you do some math along the same lines. On Wed, Mar 31, 2010 at 10:12 AM, Mark <mar...@gmail.com> wrote: > Hi, > > I'm trying to plan out how much an app could potentially cost to run. > I'm looking at the quotas here: > > http://code.google.com/appengine/docs/quotas.html > > it says we get a free limit of 1,300,000 requests per day, and 1gb of > free storage. > > I think my app is going to run over the 1gb storage limit, and the > 1,300,000 calls per day limit, but possibly none of the other quotas. > How does billing work in this scenario? Can we pay for more than > 1,300,000 requests per day? I'm not seeing where this would be charged > in the billing screencast here: > > http://code.google.com/appengine/docs/billing.html > > Also, in general, are there any rough comparisons that have been done > that show how much more cost-effective it is to use app engine at > different usage rates vs other hosting plans? Just curious, > > Thanks > > -- > 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-appeng...@googlegroups.com. > To unsubscribe from this group, send email to > google-appengine+unsubscr...@googlegroups.com. > For more options, visit this group at > http://groups.google.com/group/google-appengine?hl=en. > > -- /** Shawn.Hartsock http://hartsock.blogspot.com */ -- 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-appeng...@googlegroups.com. To unsubscribe from this group, send email to google-appengine+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-appengine?hl=en.
