[google-appengine] Is it possible to set an instance class for Basic Scaling?

[A. Kong]

When I deploy my app I got this error message:

*Instance class F4 is only allowed with the 'automatic' scaling value.*



Here is the beginning part of my yaml file



application: app-modular-kong

module: backend

version: "v1-2-3"

runtime: python27

api_version: 1

threadsafe: no

instance_class: F4

basic_scaling:

  max_instances: 10




It is possible to set the instance_class? Is it necessary?



Thanks

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Re: [google-appengine] Is it possible to set an instance class for Basic Scaling?

['Alex Martelli' via Google App Engine]

On Sun, Aug 2, 2015 at 10:57 PM, A. Kong  wrote:

> When I deploy my app I got this error message:
>
> *Instance class F4 is only allowed with the 'automatic' scaling value.*
>
>
>
> Here is the beginning part of my yaml file
>
>
>
> application: app-modular-kong
>
> module: backend
>
> version: "v1-2-3"
>
> runtime: python27
>
> api_version: 1
>
> threadsafe: no
>
> instance_class: F4
>
> basic_scaling:
>
>   max_instances: 10
>
>
>
>
> It is possible to set the instance_class? Is it necessary?
>

As the table "Scaling Types" under
https://cloud.google.com/appengine/docs/python/modules/#Python_Instance_scaling_and_class
shows, Basic Scaling is "Configurable by selecting a B1, B2, B4, B4_1G, or
B8 instance class" -- so it's definitely possible to set the instance
class, just not to F4.

B4 has the same memory, CPU, and cost as F4, currently. I wouldn't say it's
*necessary* to set a different instance class than the default (currently
B2), but it's certainly a possibility you can experiment with in order to
fine-tune your application's performance and cost.


Alex


>
> Thanks
>
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> 
> .
> For more options, visit https://groups.google.com/d/optout.
>

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