We use Zenoss open source version. Then on the server I created a
snmpd.local.conf file that has the following:
exec all-outqueries /opt/snmp-scripts/recursor_stats all-outqueries
exec cache-entries /opt/snmp-scripts/recursor_stats cache-entries
exec cache-hits /opt/snmp-scripts/recursor_stats cache-hits
etc, etc.
The recursor_stats script is used for older version that are not fully
multithreaded. Here is what it looks like:
#!/bin/sh
#Pull pdns_recursor stats for use via Zenoss
#On the servers running pdns_recursor, we have four processes running, two for
each
#interface
PIDFILEONE=/var/run/recursor1/pdns_recursor.pid
PIDFILETWO=/var/run/recursor2/pdns_recursor.pid
RUNNINGCOUNT=0
if [ -e $PIDFILEONE ]; then
for PID in `cat $PIDFILEONE`; do
PDNSCOUNTONE=`/usr/bin/rec_control
--socket-dir=/var/run/recursor1/ --socket-pid=$PID get $1`
RUNNINGCOUNT=$(( $PDNSCOUNTONE+$RUNNINGCOUNT ))
done
fi
if [ -e $PDFILETWO ]; then
for PID in `cat $PIDFILETWO`; do
PDNSCOUNTTWO=`/usr/bin/rec_control
--socket-dir=/var/run/recursor2/ --socket-pid=$PID get $1`
RUNNINGCOUNT=$(( $PDNSCOUNTTWO+$RUNNINGCOUNT ))
done
fi
echo $RUNNINGCOUNT
We run 2 daemons each with set with --fork so we have to do a count of all the
daemons.
Then in Zenoss we use the OID of 1.3.6.1.4.1.2021.8.1.101.1,
1.3.6.1.4.1.2021.8.1.101.2, 1.3.6.1.4.1.2021.8.1.101.3 to pull these.
Brad
> -----Original Message-----
> From: [email protected] [mailto:pdns-users-
> [email protected]] On Behalf Of gaurav chaturvedi
> Sent: Thursday, November 25, 2010 4:27 AM
> To: [email protected]
> Subject: [Pdns-users] PowerDNS Monitoring and gathering Statistics
>
> Hey,
>
> I am running few PowerDNS Authoritative servers, and I was
> wondering how do you keep an eye on performance of your dns servers.
>
> Google gave me some solutions, but nothing satisfactory. I have been
> testing DSC ( DNS Stats Collector ) , dnsmezzo and dns2db.
> DSC is a real pain to configure and get going.
> dnsmezzo is totally undocumented
> and dns2db is very heavy on the server. (The collector itself has been
> the cause of 80% iowait on the server)
>
> Currently I am using cacti + RRD + mrtg for a few graphs
> (http://forums.cacti.net/about37716.html) . But I am looking for
> something better.
>
> Looking forward to some feeback.
>
> Gaurav Chaturvedi
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