Re: libpq should not look up all host addresses at once

On 08/09/2018 11:05 AM, Tom Lane wrote:

> So I think what this code should do is (1) look up each hostname as it
> needs it, not all at once, and (2) proceed on to the next hostname
> if it gets a DNS lookup failure, not fail the whole connection attempt
> immediately.  As attached.

Would it be worth the complexity to be a little async about it,
fling a few DNS requests out, and try the hosts in the order the
responses come back?

-Chap