On Thu, 15 Dec 2022 at 07:31, Willy-Bas Loos <willybas@gmail.com> wrote:
>
> wbloos=# set tcp_keepalives_idle=120;
> SET
> wbloos=# show tcp_keepalives_idle;
> tcp_keepalives_idle
> ---------------------
> 0
Are you connected in this psql session via tcp or unix domain socket?
"In sessions connected via a Unix-domain socket, this parameter is
ignored and always reads as zero."
Geoff