What's the criteria for instance recycle? Isn't it 1 request per second? On Tue, Jun 22, 2010 at 22:57, Tim Hoffman <zutes...@gmail.com> wrote: > Hi > > Yes you could see all the restarts but only if you are getting only a > few users and visiting infrequently. > > The minute you start getting busy you are very unlikely to be getting > all the restarts > > T > > On Jun 23, 9:49 am, Tristan <tristan.slomin...@gmail.com> wrote: >> I disagree with your assessment that 0.01 CPU is unrealistic. Here's >> an example. >> >> User sends a request for a page.. cold start, need new instance ~ >> 10,000 ms = 10s. >> User stares at it for 2 seconds, clicks an interaction... we're >> unlucky, new instance ~10,000 ms = 10s. >> User executes a task that delegates something to the queue. Oh no, >> start of a task, new instance ~10,000 ms = 10s. >> >> And that's where 30s of computation went. >> >> In low usage apps this happens all the time. >> >> I'm gonna write out the math again since I don't trust my numbers: >> >> 60 seconds * 60 minutes * 24 hours = 86,400. >> >> *If* (this is not a valid assumption, but worst case scenario) 10,000 >> users were evenly distributed over the 24 hours, there will be 8 >> seconds between each user visit, enough time for the above 30s usage >> scenario to take place repetitively. >> >> Even making more realistic assumptions, I would argue that there is >> still a quite likely chance that each user could use 36s, or 0.01 CPU >> hours in a twitter / facebook / user intensive application. >> >> Funny, but it could be the case that there is a threshold of user >> numbers that once reached drastically reduces your costs due to >> instances being alive the whole time. >> >> On Jun 22, 7:52 pm, "Ikai L (Google)" <ika...@google.com> wrote: >> >> >> >> > The broken number in that thread is 0.01 CPU hours per user per day. You do >> > realize that is 36 seconds of computation time per User, right? If we were >> > to be aggressive and assume 3.6 seconds instead, it brings those off the >> > cuff costs of 100,000 users (who are obviously very heavily engaged, as >> > they >> > are returning every day and consuming 3.6s of CPU time) to $300. Not bad. >> > But the real numbers are probably lower. >> >> > On Tue, Jun 22, 2010 at 5:37 PM, Tristan >> > <tristan.slomin...@gmail.com>wrote: >> >> > > Yeah... looking at it again I can't even tell you where I got the >> > > numbers, it looks like I just made them up... >> >> > > Here's the thread with the corrected numbers (why did this thread get >> > > hijacked?) >> >> > >http://groups.google.com/group/google-appengine/browse_thread/thread/... >> >> > > On Jun 22, 7:35 pm, "Ikai L (Google)" <ika...@google.com> wrote: >> > > > It's highly unlikely 10,000 users would cost that much money. There are >> > > > extremely large customers paying a fraction of that. >> >> > > > Here's a recent blog post from the developer of the Humble Indie >> > > > Bundle: >> >> > > >http://googleappengine.blogspot.com/2010/06/how-app-engine-served-hum... >> >> > > > 1 million uniques for $71 USD. Granted, the usage pattern isn't the >> > > > same >> > > as >> > > > Twitter, where each user may send out 100 tweets a day (who does this? >> > > > I >> > > am >> > > > a pretty heavy tweeter and I don't come close to this), but even that >> > > > traffic profile shouldn't come anywhere near $24k. >> >> > > > On Tue, Jun 22, 2010 at 4:47 PM, Jaroslav Záruba >> > > > <jaroslav.zar...@gmail.com>wrote: >> >> > > > > I'm curious too. Also I'd love to read the post you mentioned. Pretty >> > > > > please! >> >> > > > > On Wed, Jun 23, 2010 at 1:44 AM, Martin Webb <spydre...@yahoo.co.uk >> > > >wrote: >> >> > > > >> I want to find out what typical costs are being paid for running >> > > > >> apps >> > > on >> > > > >> app engine say per 10,000 for 100,000 users. I read a post today >> > > > >> that >> > > gave >> > > > >> an example - and it was an example where it concluded that 10,000 >> > > users >> > > > >> would cost $24000 a month - which is crazy - i cant imagine one can >> > > make $2 >> > > > >> per user from advertising. >> > > > >> Can anyone shed any light on what the typical costs might be. >> > > Obviously it >> > > > >> depends on the app/storage - but i'm talking about typical examples. >> > > lets >> > > > >> say to run an app like twitter per 10,000 users. >> > > > >> Any help much appreciated. >> >> > > > >> Regards >> >> > > > >> *Martin Webb* >> >> > > > >> -- >> > > > >> 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<google-appengine%2Bunsubscrib >> > > > >> e...@googlegroups.com><google-appengine%2Bunsubscrib >> > > e...@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<google-appengine%2Bunsubscrib >> > > > > e...@googlegroups.com><google-appengine%2Bunsubscrib >> > > e...@googlegroups.com> >> > > > > . >> > > > > For more options, visit this group at >> > > > >http://groups.google.com/group/google-appengine?hl=en. >> >> > > > -- >> > > > Ikai Lan >> > > > Developer Programs Engineer, Google App Engine >> > > > Blog:http://googleappengine.blogspot.com >> > > > Twitter:http://twitter.com/app_engine >> > > > Reddit:http://www.reddit.com/r/appengine >> >> > > -- >> > > 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<google-appengine%2Bunsubscrib >> > > e...@googlegroups.com> >> > > . >> > > For more options, visit this group at >> > >http://groups.google.com/group/google-appengine?hl=en. >> >> > -- >> > Ikai Lan >> > Developer Programs Engineer, Google App Engine >> > Blog:http://googleappengine.blogspot.com >> > Twitter:http://twitter.com/app_engine >> > Reddit:http://www.reddit.com/r/appengine > > -- > 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. > >
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