named doing something with Query every hour...

[Duane Cox]

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I have been graphing my named.stats file and noticed that every hour on =
the hour
named does something.. AND I can't explain it.. but here is the info..

Can somebody explain this??

It looks like named does something with its queries every hour for some =
reason
maybe a refresh or something?  Maybe I am grasping at straws.  The Green =
in the graph
is RQ and the Blue line is SNaAns

named.conf

[named at orion named]$ cat /etc/named.conf
options {
        cleaning-interval 720;
        directory "/var/named";
        interface-interval 0;
        pid-file "/var/run/named/named.pid";
        notify no;
        statistics-interval 60;
        host-statistics yes;
        allow-transfer {
                12.15.125.5; 12.15.125.7;
                12.15.125.10; 12.15.125.251;
                };
};

logging {
        channel named_log {
                file "/var/log/named/named.log";
                severity info;
                print-category yes;
                print-severity yes;
                print-time yes;
                };

        category lame-servers { null; };
        category cname { null; };
        category default { named_log; };
};




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