I've got the same warnings several time today too. The peak access
rate was only 3.00 requests/sec, and the CPU time usage over the last
24 hours is 6% (1.08 CPU hours) out of 18.50 CPU hours (I am a paying
customer).

Satoshi

On Mar 1, 6:51 pm, David <dscri...@gmail.com> wrote:
> I am losing sleep over this, so any help would be greatly appreciated!
>
> APP ID: conit-app01
>
> Since our app released about a week ago, it has been getting an
> average of about 60 requests/second.  On February 27, our app suddenly
> crashed and was down for several hours, with thousands of these errors
> appearing in the logs:
>
> Request was aborted after waiting too long to attempt to service your
> request. Most likely, this indicates that you have reached your
> simultaneous dynamic request limit. This is almost always due to
> excessively high latency in your app. Please 
> seehttp://code.google.com/appengine/docs/quotas.htmlfor more details.
>
> Since getting this error, I filled out a request to increase this
> limit 
> at:http://code.google.com/support/bin/request.py?contact_type=AppEngineC...
>
> This request was denied, because, "your app has been using, over the
> past 24 hours, on average 60 QPS with a peak of ~135 QPS; thus you're
> well under the 500 QPS limit described above."
>
> Since this crash, I've also been working to decrease calls to the
> datastore, and I think our average CPU time has decreased around 30%.
> In the dashboard, one of our pages still appears "yellow" under the
> column "Average CPU (API)", with a speed of about 1100.  This page is
> about 6% of the volume of our app.  The other pages don't have any
> warnings.  We are well within the limits of our billing.
>
> I would feel much better if I could understand the math/metrics that
> go into producing this error, so it doesn't happen again.  How can I
> know if my page request times are low enough?  If I add a new page
> with a higher CPU time, how can I know if it would make the app crash?
>
> Any help or references to details on this error would be appreciated.
>
> Thank you in advance.
> -David

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