Re: pg_getnameinfo_all() failed: Temporary failure in name resolution - Mailing list pgsql-general

From Peter J. Holzer
Subject Re: pg_getnameinfo_all() failed: Temporary failure in name resolution
Date
Msg-id 20231126115134.htanqdchbmn4z2ic@hjp.at
Whole thread Raw
In response to Re: pg_getnameinfo_all() failed: Temporary failure in name resolution  (Ron Johnson <ronljohnsonjr@gmail.com>)
Responses Re: pg_getnameinfo_all() failed: Temporary failure in name resolution
List pgsql-general
On 2023-11-24 16:39:57 -0500, Ron Johnson wrote:
> On Fri, Nov 24, 2023 at 4:26 PM David G. Johnston <david.g.johnston@gmail.com>
> wrote:
>
>     On Friday, November 24, 2023, Ron Johnson <ronljohnsonjr@gmail.com> wrote:
>
>
>         The second "way" sounds interesting, but what is it filled with?

With "???"

(which isn't very helpful. I would have hoped it's filled in with a
representation of the IP address)



>     What does it matter?  It’s an internal detail that apparently gets exposed
>     as [unknown] appearing in your log file where the client ip address would
>     normally be.
>
>
> Because I'd hope that the log file would tell me the errant host name.  

The error message says that the host name could not be determined
because of a DNS error. So obviously it can't tell you the host name.
It could tell you the IP address, though.


>         I added "log_hostname = on" to postgresql.conf earlier in the day. 
>         When I commented that out, the errors stopped happening.
>
>
>     This makes sense.
>
>
> But is not explanatory.  I want to see host names in the log file when
> possible, not just IP addresses.

So now that you have IP addresses again, are there any for which a
reverse lookup doesn't work?

        hp

--
   _  | Peter J. Holzer    | Story must make more sense than reality.
|_|_) |                    |
| |   | hjp@hjp.at         |    -- Charles Stross, "Creative writing
__/   | http://www.hjp.at/ |       challenge!"

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