I would like to know clearly if the over-usage charges are:

expected for the kind of usage I have and the code we have ? or
a bug caused by some bug or issue with app engine.

Based on that, we will make a decision. Because a simple memcache read
and return was using high cpu numbers. We need that answer to decide
whether to:

optimize the code ? or
wait for Google to fix issues on their side ? or
not wait for an infinite time before we can get an answer while paying
$600 a month and move to another host ?

As days are flying (15 days gone by already), I am almost decided that
it was a bad idea to assume that it was ok to host my application on a
proprietary network hosted by a reliable company. Now I guess we
should spend the next 15 days trying to rewrite the code in php/mysql
and move to a more portable host.

We are still waiting for the answer.


On Aug 3, 1:27 am, Johan Euphrosine <[email protected]> wrote:
> Sorry for the late followup, I just updated your issue.
>
> FYI, we believe that the problems experienced by most of the Apps on
> this thread were due to a temporary datastore latency, as you can see
> there:http://code.google.com/status/appengine/detail/datastore/2011/07/27#a...
>
> This cascaded into a higher HTTP latencies for some Python
> applications running on Master/Slave Datastore Replication 
> system:http://code.google.com/status/appengine/detail/serving/2011/07/27#ae-...
>
> We offered the affected app to assist them to migrate to HRD, where
> apps are not subject to those transient latency issues.
>
> For the record Issue #5415 might be a different beast, as appstats
> doesn't report any datastore operation but still high latency.
>
> I already escalated it to the engineering team and will followup on
> the bug report once I have any updates.
>
> Hope that helps.
>
>
>
>
>
>
>
>
>
> On Wed, Aug 3, 2011 at 4:18 AM,observer247<[email protected]> wrote:
> > Issue number is 5415
>
> > It has been more than a week and I am yet to get a useful response on
> > the ticket.
>
> > On Jul 21, 4:20 am, Johan Euphrosine <[email protected]> wrote:
>
> >> Feel free to open a Production Issue for problem like this affecting
> >> directly your application 
> >> operation:http://code.google.com/p/googleappengine/issues/entry?template=Produc...
>
> >> If you do so, please reply to this thread with the issue number, so we
> >> can followup.
>
> >> Hope that helps.
>
> >> On Thu, Jul 21, 2011 at 10:24 AM,observer247<[email protected]> wrote:
> >> > Is this is because of the new pricing, I would rather move out of
> >> > Google app engine.
>
> >> > We have over 10 apps serving our iPhone apps. It will take us a lot of
> >> > effort to port this code to php/mysql but I guess if the pricing
> >> > changes like this, we cannot afford to pay such high prices.
>
> >> > I am not sure if there is a phone number or support chat. When I am
> >> > paying $1000 per month for a service, I would expect to talk to a real
> >> > person and share with him the issues I am facing.
>
> >> > On Jul 20, 1:14 am,observer247<[email protected]> wrote:
> >> >> Almost the same usage is now triggering 10times the daily cost ! Not
> >> >> sure what changed as far as billing.
>
> >> >> Checking appstats and instances.
>
> >> >> On Jul 19, 2:55 pm, Barry Hunter <[email protected]> wrote:
>
> >> >> > Have you tried 
> >> >> > AppStats?http://code.google.com/appengine/docs/python/tools/appstats.html
>
> >> >> > On Tue, Jul 19, 2011 at 8:31 PM,observer247<[email protected]> wrote:
> >> >> > > My python app engine app is somewhat popular, mainly used as via api
> >> >> > > from my iphone app.
>
> >> >> > > Recently I am seeing high over usage charges.
>
> >> >> > > The most used call already use 15 CPU hours , with stats:
> >> >> > >        3.7 calls/sec   26.15K requests in 12hrs        603 (0) [cpu]
>
> >> >> > > HTTP/1.1" 200 1839 - "QandA/5.4 CFNetwork/485.12.7 Darwin/10.4.0"
> >> >> > > "may.latest.nuvusanswers.appspot.com" ms=1490 cpu_ms=467 
> >> >> > > api_cpu_ms=0
> >> >> > > cpm_usd=0.013200 pending_ms=1058 throttle_code=1
> >> >> > > instance=00c61b117c8b0de1286e8d90c22f4d5b3897c8
>
> >> >> > > This call just reads a memcache and returns the data. Thats it. Will
> >> >> > > really like to know are memcache reads so expensive ? Am I using a 
> >> >> > > lot
> >> >> > > more memcache that I need ?
>
> >> >> > > I have removed all other versions and have just one version running.
> >> >> > > The number of instances now is
>
> >> >> > > 28 total        0.510 (Average QPS)     281.1 ms (Average Latency)  
> >> >> > >     59.5 MBytes
> >> >> > > (Average Memory)
>
> >> >> > > As this is the most expensive call, I am first going after that. 
> >> >> > > but I
> >> >> > > am seeing most of my calls are now using a LOT of CPU. Will be great
> >> >> > > if anyone can point me to things I can debug to find out the high
> >> >> > > usage across the board.
>
> >> >> > > Thank you for reading this !
>
> >> >> > > --
> >> >> > > 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 
> >> >> > > athttp://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].
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> >> > For more options, visit this group 
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>
> >> --
> >> Johan Euphrosine (proppy)
> >> Developer Programs Engineer
> >> Google Developer Relations
>
> > --
> > 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 
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> > athttp://groups.google.com/group/google-appengine?hl=en.
>
> --
> Johan Euphrosine (proppy)
> Developer Programs Engineer
> Google Developer Relations

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