Thanks, Tim. I think that's the first clear description I've read of this particular billing phenomena.
Google overlords: Add those two paragraphs to your official docs! On Sep 10, 2011, at 9:14 AM, Tim wrote: > > Quote: In addition, there is a 15-minute charge ($0.02) every time an > instance starts.... > > Sorry to keep banging on about this, but see the latest explanations of how > the pricing works... what you report here is what we all heard, but it's not > true. > > A maximum number of "max-idle-instances" have a 15-minute charge every time > they start up (in return for which they'll stay in memory for at least 15 > minutes) but any instances beyond that count do NOT have a 15-minute charge > for starting up, they are charged only for the time they are actively serving > requests (subject, I expect, to some granularity in the billing system, but > this should be considerably less than 15 minutes). > > If you have max-idle set to 1, and a 1 minute massive burst meant that 100 > instances were started, but then the traffic died back to nothing, then only > 1 of those instances would have the 15 minute charge (and would be > effectively guaranteed to stay in memory that long) - the scheduler may even > decide, if the machines are not needed for other apps and there's spare > capacity, to keep some or many of the 100 instances in memory (there may be > another burst), but even if it does so, you're not paying for the other 99 > being idle - it's what I termed the "free-idle" state. > > Cheers > > -- > Tim > > > -- > 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/-/wFY7XNN8yzsJ. > To post to this group, send email to google-appengine@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. -- 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. 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.