If you take a look to you dashboards instance chart: You will be billed for Active Instances + Max Idle Instances. See this post: http://groups.google.com/group/google-appengine/browse_thread/thread/727f420db5b111cc
On Sep 5, 10:49 am, Andrin von Rechenberg <[email protected]> wrote: > That wont help in our case. As I tried to explain before, we need 200 > instances > if we serve 240 qps at 800 ms. (240qps * 0.8s = ~200 instances). > 75% of the time they are idle, waiting for rpc responses (mostly datastore) > in > order to handle the current response. So they need to be running and can't > be shut > down. At least that's our understanding. Or am I wrong? > > -Andrin > > > > > > > > On Mon, Sep 5, 2011 at 10:25 AM, Philip <[email protected]> wrote: > > Hi Andrin, > > > have you tried the Max Idle Instances knob? If you set it to 1 for > > example you will only be billed for the instances that are used + 1 > > idle instance. > > > On Sep 5, 10:11 am, Andrin von Rechenberg <[email protected]> wrote: > > > Hi there > > > > We are running a Python GAE service called MiuMeet. > > > > The current cost is about $296 per day. In November it will be $600 per > > day. > > > > Most of our cost comes from the Frontend Instance hours. We apparently > > need > > > 4677h per day, thats roughly 200 instances. We peak at around 240 qps. > > The > > > average latency is 800ms / request. 240 * 0.8 => 192. So it seems 200 > > > instances > > > is exactly what we need at peak. > > > > However our instances are only 25% active, see here:http://bit.ly/pXZH4t > > > > We need someone to talk to about the new pricing model and what can be > > done. > > > Idle instances will cost us an extra $10k per month. We can't afford > > that. > > > > The biggest problem we see is that it seems that AppEngine instances are > > > idle > > > often by design: The datastore is slow you have to wait and idle around, > > > that's > > > a fact for us. > > > > We would be really grateful for any advice. > > > > -Andrin, Founder of MiuMeet > > > > PS: Here is our billing comparison > > > > Resource Used Free Billable Charge *CPU Time:* > > > $0.10/CPU hour 2,797.15 6.50 2,790.65 $279.07 *Bandwidth Out:* > > > $0.12/GByte 109.32 1.00 108.32 $13.00 *Bandwidth In:* > > > $0.10/GByte 30.55 1.00 29.55 $2.96 *Stored Data:* > > > $0.005/GByte-day 101.13 1.00 100.13 $0.51 *Recipients Emailed:* > > > $0.10/1000 Emails 0.00 2.00 0.00 $0.00 *High Replication Storage:* > > > $0.008/GByte-day 109.92 0.50 109.42 $0.88 *Backend Usage:* > > > Prices< > >http://code.google.com/appengine/docs/billing.html#Billable_Quota_Uni...> > > > $0.00 $0.72 $0.00 $0.00 *Always On:* > > > $0.30/Day No - - $0.00 *Total:* $296.42 > > > Estimated Charges Under New Pricing > > > > The charges below are estimates of what you would be paying once App > > > Engine's new pricing > > > model<http://www.google.com/enterprise/cloud/appengine/pricing.html> > > > goes > > > live. The amounts shown below are for your information only, they are not > > > being charged and therefore do not affect your balance. > > > > If you would like to optmize your application to reduce your costs in the > > > future, make sure to read our Optimization > > > Article< > >http://code.google.com/appengine/articles/managing-resources.html>. > > > If you have any additional questions or concerns, please contact us at: > > > [email protected]. > > > Frontend Instance Hour costs reflect a 50% price reduction active until > > > November 20th, 2011. > > > Resource Used Free Billable Charge *Frontend Instance Hours:* > > > $0.04/Hour 4,677.04 24.00 4,653.04 $186.13 *Backend Instance Hours:* > > > $0.08/Hour 0.00 9.00 0.00 $0.00 *Datastore Storage:* > > > $0.008/GByte-day 109.92 1.00 108.92 $0.88 *Blobstore Storage:* > > > $0.0057/GByte-day 101.13 5.00 96.13 $0.55 *Datastore Writes:* > > > $1.00/Million Ops 55.69 0.05 55.64 $55.64 *Datastore Reads:* > > > $0.70/Million Ops 87.12 0.05 87.07 $60.95 *Small Datastore Operations:* > > > $0.10/Million Ops 192.77 0.05 192.72 $19.28 *Bandwidth In:* > > > $0.10/GByte 30.55 1.00 29.55 $2.96 *Bandwidth Out:* > > > $0.15/GByte 109.32 1.00 108.32 $16.25 *Emails:* > > > $0.01/100 Messages 0.00 1.00 0.00 $0.00 *XMPP Stanzas:* > > > $0.01/1000 Stanzas 0.00 1.00 0.00 $0.00 *Opened Channels:* > > > $0.01/100 Opens 7,180.91 1.00 7,179.91 $71.80 *Total*:* (before clipping > > to > > > daily budget) $414.44 > > > > * Note this total does not take into account the minimum per-application > > > charge in the new pricing > > > model<http://www.google.com/enterprise/appengine/appengine_pricing.html> > > > . > > > -- > > 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. 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