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From: "davecramer (@davecramer)" <noreply+davecramer@github.com>
To: "postgresql-interfaces/psqlodbc" <noreply+postgresql-interfaces-psqlodbc@github.com>
Date: Wed, 11 Sep 2024 20:12:15 +0000
Subject: Re: [postgresql-interfaces/psqlodbc] issue #39: Presence of kerberos ticket impacts query/connection performance
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Yes, so this is somewhat documented, albeit well buried https://www.postgresql.org/docs/16/libpq-connect.html#LIBPQ-CONNECT-GSSENCMODE

Basically if there are credentials present then libpq will try to establish a GSSAPI connection which takes an extra round trip.

Dave