Why I cannot use tuple as application env key?

[Max Lapshin]

You can try to use persistent option and will see that it doesn't work.

On Wed, Oct 28, 2020 at 1:37 PM bengt <cean.ebengt@REDACTED> wrote:
>
> Greetings,
>
> I use application:get_env only once (in application callback module during start/2), to move config from application env to where it is used.
> At this time it is possible to change layout/keys as much as needed.
>
> Doing it repeatedly was not something I considered in my suggestion. Sorry.
>
> Best Wishes,
> bengt
>
> > On 27 Oct 2020, at 08:11, Max Lapshin <max.lapshin@REDACTED> wrote:
> >
> >> The key is documented as being atom. Unfortunately why is not documented.
> >>
> >
> > Yes, and there is a simple check in application_controller that
> > disallow anything except atom.
> >
> >> {backend, [{Name, Configuration}]}
> >
> > This will give me full proplist on each access.  I have tried it with
> > thousand of elements and found that GC is going mad on high traffic.
>