Thanks Jordan but I am still a bit confused with the relation between
*Active* and *Billed Estimate*. Please check if below affirmatives are
correct:
- Instance will be counted as *Active* if it was processing at least one
user request on the exact time statistic was collected.
- Instance will be counted as *Billed Estimate* since it became *Active*
till fifteen minutes after the last request has finished processing.
- Then GAE can keep it as *Created* (but Inactive) or just shut it
down. I won't pay for such instances
- Any *Created* (but Inactive) instances can become *Active* to process
the incoming request then it will start counting as above *Billed
Estimate*
Regards
On Wednesday, 25 October 2017 18:19:00 UTC-2, Jordan (Cloud Platform
Support) wrote:
>
> 1. The reason for manually scaled instances not having a 'Billed Instance
> Estimate' line in the App Engine Dashboard
> <https://console.cloud.google.com/appengine> 'instances' graph is due to
> the fact that you always pay for the amount of manually scaled instances
> you have set in your app.yaml
> <https://cloud.google.com/appengine/docs/standard/python/config/appref#scaling_elements>
>
> (aka the blue 'Created' line). Therefore, instead of having two lines
> always equal to each other, it is cleaner to simply display one line.
>
> 2. The 'Active' instances line in the graph represents the amount of
> instances that are currently using resources to respond to your incoming
> requests. Where as the 'Created' line shows the amount of instances that
> are waiting to do work.
>
> 3. Unlike Manually scaling, Automatic scaling will start and stop
> instances for you based on your application requirements. It will therefore
> not charge you for 'Created' instances that have been idle for 15 minutes
> <https://cloud.google.com/appengine/docs/standard/python/how-instances-are-managed#instance_billing>.
>
> You will also not be charged for any 'Created' instances exceeding the
> amount of 'max_idle_instances'
> <https://cloud.google.com/appengine/docs/standard/python/config/appref#scaling_elements>
> that
> you set for each service. Therefore, the 'Billed Instance Estimate' line
> will appear for Automatic scaling in order to show you an estimate of what
> you are actually being charged (note that it is just a rough estimate based
> on averages and your actual bill will reflect the correct numbers).
>
>
>
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