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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