On Fri, Dec 22, 2017 at 11:16 PM, Robertson, Alan L
<Alan.Robertson@charter.com> wrote:
> Is this described in the documentation somewhere?
>
Yes. See the documentation of the parameter tcp_keepalives_idle [1].
It clearly documents the behavior, "In sessions connected via a
Unix-domain socket, this parameter is ignored and always reads as
zero".
https://www.postgresql.org/docs/devel/static/runtime-config-connection.html
--
With Regards,
Amit Kapila.
EnterpriseDB: http://www.enterprisedb.com