On Wed, Sep 7, 2011 at 7:20 AM, Tammo Freese <[email protected]> wrote: > Hi Jon, > > > On Sep 6, 6:49 pm, Jon McAlister <[email protected]> wrote: >> } there is a startup fee of 15 minutes for each instance. >> >> This only affects the computation of the total-instances variable >> in the formula, it does not affect the computation of >> active-instances. > > so total-instances is the maximum of active-instances over the last 15 > minutes?
Not really, no. > > >> } Is it guaranteed that instances die after being idle for 15 minutes? >> >> They will usually die before 15 minutes [see other response], but >> it is possible they may live past 15 minutes of idleness. But >> past 15 minutes of idleness, they are completely ignored by the >> billing system. > > Let's say I have 4 active instances for 5 minutes, then no traffic for > the rest of the day, max-idle-instances set to 1. > 1) 35 minutes will be billed regardless when the scheduler decides to > kill idle instances, right? Yes. > 2) But 1 instance would be idle for at least 15 minutes, right? Maybe. > >> The max-idle-instances setting has two effects. The first is a >> hint to the scheduler to kill off excess idle instances [it does >> this now, but approximately], and the second is how it is used in >> the billing formula. > > Let's say I have 4 active instances for 5 minutes, then no traffic for > the rest of the day, max-idle-instances set to 4. > 1) 80 minutes will be billed regardless when the scheduler decides to > kill idle instances, right? Yes. > 2) But 4 instances would be idle for at least 15 minutes, right? Maybe. > > > Take care and thanks for your help, > > Tammo > > -- > 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. > > -- 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.
