Re: Designing a better connection pool for psycopg3

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От Karsten Hilbert
Тема Re: Designing a better connection pool for psycopg3
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Msg-id YAWevy8n7/CA0o7I@hermes.hilbert.loc
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Ответ на Re: Designing a better connection pool for psycopg3  (Magnus Hagander <magnus@hagander.net>)
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Am Mon, Jan 18, 2021 at 03:39:20PM +0100 schrieb Magnus Hagander:

> > Anyway I appreciate that the default of terminating a program is
> > probably too aggressive. So I would remove the `terminate()` function
> > and base implementation and leave a `connection_failed()` handler,
> > with a default no-op implementation, which people preferring their
> > program to terminate can subclass (with `sys.exit(1)` or whatever
> > termination strategy they find useful).
>
> That would definitely work. A plugin-point for this would be very useful.
>
> And if you want to avoid the "timeout based error" in the client,
> adding a flag to the pool saying "this pool is currently unhealthy" in
> this case would work, and then whenever someone tries to get a
> connection out of this pool it can throw an exception immediately
> instead of waiting for a timeout to happen.

+1 :-)

Karsten
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