Re: PostgreSQL local connection is taking 4 seconds

log_hostname value is off:

postgres=# show log_hostname;
log_hostname
--------------
off
(1 row)

There is no change in postgresql.conf

On Tue, Jan 2, 2024 at 9:25 PM Thomas Kellerer <shammat(at)gmx(dot)net> wrote:

>
> pramod kg schrieb am 02.01.2024 um 14:58:
> > Hi Experts,
> >
> > We have upgraded the OS from RHEL7 to RHEL8 in our testbed machines.
> After upgrading, PostgrSQL local connection is taking ~4 seconds (Both TLS
> and non TLS connection). Please advise on what to be verified? There is no
> change in postgresql.conf or pg_hba.conf.
> >
> > PostgreSQL version is 13.12.
> > RHEL Version: Red Hat Enterprise Linux release 8.8 (Ootpa)
>
> Did you enable log_hostname?
>
> That does a revers DNS lookup which could be a reason for the connection
> suddenly taking longer.
>
>
>
>
>