On Fri, May 12, 2017 at 1:28 PM, Tsunakawa, Takayuki
> Likewise, when the first host has already reached max_connections, libpq
> doesn't attempt the connection aginst later hosts.
It seems to me that the feature is behaving as wanted. Or in short
attempt to connect to the next host only if a connection cannot be
established. If there is a failure once the exchange with the server
has begun, just consider it as a hard failure. This is an important
property for authentication and SSL connection failures actually.
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