Re: Designing a better connection pool for psycopg3

On Mon, 18 Jan 2021 at 15:39, Magnus Hagander <magnus(at)hagander(dot)net> wrote:
>
> On Mon, Jan 18, 2021 at 3:29 PM Daniele Varrazzo
> <daniele(dot)varrazzo(at)gmail(dot)com> wrote:

> > I'm trying to imagine what happens in a case such as a network
> > partition or reconfiguration, and the app server doesn't see the
> > database anymore. This node is arguably broken.
>
> Only if this is the *only* thing it does.
>
> It might still be able to reach other services on other nodes. Other
> databases. Heck, even other database son the same node if it was a
> config error.

In your opinion (and Karsten's, if he'd like to chip in), what should
happen on program start? Is attempting to create a new connection in
the main thread, and throwing an exception if failing to do so, a
reasonable behaviour?

Cheers,

-- Daniele