[Pdns-users] pgsql db lookup failures

bert hubert bert.hubert at netherlabs.nl
Mon Jul 11 17:54:59 UTC 2011

Hi everybody,

This issues has been turned into a blocker for the 3.0-final release. Could
you open a ticket to that effect on http://wiki.powerdns.com/ ?

Please follow the signup instructions carefully!



On Sat, Jul 09, 2011 at 05:24:11PM -0400, Charles Sprickman wrote:
> On Sat, 9 Jul 2011, Stefan Kaltenbrunner wrote:
> >On 07/01/2011 02:08 AM, Charles Sprickman wrote:
> >>Hello,
> >>
> >>I'm in the middle of testing a new powerdns/postgres setup in native
> >>mode with postgres replication.  I've not run into any major issues so
> >>far, but I'm seeing some odd behavior on the last server I setup.
> >>
> >>I started powerdns, and after that had stopped and started postgres a
> >>few times to make some config changes.  It seems like powerdns is not
> >>dealing with the disappearing postgres process, almost as if the backend
> >>connection has not attempted a reconnect:
> >>
> >>Jun 30 19:46:07 ns3 pdns[1569]: Database module reported condition which
> >>prevented lookup (PostgreSQL failed to execute command: FATAL:
> >>terminating connection due to administrator command server closed the
> >>connection unexpectedly     This probably means the server terminated
> >>abnormally     before or while processing the request. ) sending out
> >>servfail
> >
> >this indicates that somebody sent the PostgreSQL backend handing the
> >connection a -TERM signal  to drop the connection, this has been caused
> >in the past by broken linux kernel OOM killers or weird admin scripts
> >sending random signals to random processes based on memory or cpu usage.
> >It does not at all seem to relate powerdns directly at all...
> Oh, it was certainly me.  I had to restart Postgres to pick up some
> config changes.  The problem I'm having is that until I restart
> PowerDNS, it doesn't reconnect when Postgres is again available.
> Thanks,
> Charles
> >
> >Stefan
> >
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