From: | Richard Huxton <dev(at)archonet(dot)com> |
---|---|
To: | Cott Lang <cott(at)internetstaff(dot)com> |
Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, pgsql-general(at)postgresql(dot)org |
Subject: | Re: postmaster / resolv.conf / dns problem |
Date: | 2005-12-02 09:14:52 |
Message-ID: | 4390108C.60904@archonet.com |
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Lists: | pgsql-general |
Cott Lang wrote:
>>> Within 5 minutes, one server would not accept new remote connections. I
>>> could log in fine w/ psql locally.
>> This is pretty bizarre ... offhand I would not have thought that the
>> postmaster depended on DNS service at all. Were you maybe using DNS
>> names instead of IP addresses in pg_hba.conf? What exactly does
>> "would not accept" mean --- what was the exact error message,
>> and was there anything in the postmaster log?
>
>
> I'm using only IP addresses in pg_hba.conf.
>
> There was nothing in the postmaster log indicating a problem.
>
> The only thing I saw strange was multiple postmasters spawning and
> disappearing.
>
> The errors I got in the JDBC drivers was the connection pool timing out
> trying to get a connection, so it's possible they were working, just
> taking horribly long to connect. Timeouts for Nagios monitoring PG was
> 10 seconds; pools were 20 seconds. In three years, I've probably seen 3
> time outs. :)
Could it be name-lookups for logging purposes? I've been caught out by
that elsewhere.
--
Richard Huxton
Archonet Ltd
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