See http://code.google.com/appengine/forum/?place=msg%2Fgoogle-appengine%2FHluog1_a3n4%2FuFMhaBWhVi8J
Q: What is the time granularity of the instance pricing? ie if I have an instance up for 5 minutes, what am I charged, $0.08 / 60*5? A: Instances are charged for their uptime in addition to a 15 minute startup fee, the startup fee covers what it takes for App Engine to bring up and down the instance. So if you have an on-demand Instance only serving traffic for 5 minutes, you will pay for 5+15 minutes, or $0.08 / 60 * 20 = 2.6 cents. Additionally, if the instance stops and then starts again within a 15 minute window, the startup fee will only be charged once and the instance will be considered "up" for the time that passed. For example, if an on-demand instance is serving traffic for 5 min, is then down for 4 minutes and then serving traffic for 3 more minutes, you will pay for (5+4+3)+15 minutes, or $0.08 / 60 * 27 = 3.6 cents. 2011/7/8 Juha K <juha.kosk...@gmail.com> > The 15 minutes start-up fee seems odd with the current scheduler. A Java > app with very low latency and high QPS would be billed a lot more than it > should be. That is because for some unknown reason GAE kills an instance > when it has reached exactly 9000 requests. I've tested this with several > apps, the simplest had just one servlet doing nothing. > > I have an app which can serve about 30 QPS per instance. That means the > 9000 requests limit will be reached within 5 minutes. That instance will be > billed for 15 minutes! That's 3x the price of the actual instance usage! I > hope the 9000 requests limit will change before the new pricing takes place. > If the 9000 requests limit stays, I must make sure none of my app instances > will serve more than 10QPS (=15 minutes life time / instance). > > -- > 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/-/6vl54r7F_2UJ. > > 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. > -- С уважением, Кулин Тимофей. Телефон: +7 (4852) 974793 ICQ: 114902104 email: timo...@koolin.ru Blog: http://timofey.koolin.ru -- 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.
