Hi all,
I have just entered full production running, with pdns 9.22 and recursor
3.3 on two servers with ldap backend (openldap replicated with syncrepl).
Can someone please give some info on outgoing timeouts (which seem
significant)? What do these actually mean, and if they are a real
problem; if so, what should I do to resolve?
I found in the manual that these are: "number of timeouts on outgoing
UDP queries since starting". Why do I have such timeouts? What should I
check?
Here is an excerpt from recursor log on one server:
Dec 4 11:09:09 dns2 pdns_recursor[2248]: stats: 529100 questions,
457693 cache entries, 5199 negative entries, 1% cache hits
Dec 4 11:09:09 dns2 pdns_recursor[2248]: stats: throttle map: 2, ns
speeds: 1533
Dec 4 11:09:09 dns2 pdns_recursor[2248]: stats: outpacket/query ratio
172%, 1% throttled, 0 no-delegation drops
Dec 4 11:09:09 dns2 pdns_recursor[2248]: stats: 845 outgoing tcp
connections, 2 queries running, 66140 outgoing timeouts
Dec 4 11:09:09 dns2 pdns_recursor[2248]: stats: 217172 packet cache
entries, 0% packet cache hits
Dec 4 11:09:09 dns2 pdns_recursor[2248]: stats: 0 qps (average over
1984 seconds)
Dec 4 11:23:55 dns2 pdns_recursor[2248]: Refreshed . records
And an excerpt from the other server log:
Dec 4 11:39:03 vdns pdns_recursor[2217]: stats: 352149 questions, 49361
cache entries, 3405 negative entries, 21% cache hits
Dec 4 11:39:03 vdns pdns_recursor[2217]: stats: throttle map: 3, ns
speeds: 675
Dec 4 11:39:03 vdns pdns_recursor[2217]: stats: outpacket/query ratio
61%, 21% throttled, 0 no-delegation drops
Dec 4 11:39:03 vdns pdns_recursor[2217]: stats: 303 outgoing tcp
connections, 1 queries running, 39967 outgoing timeouts
Dec 4 11:39:03 vdns pdns_recursor[2217]: stats: 18896 packet cache
entries, 63% packet cache hits
Dec 4 11:39:03 vdns pdns_recursor[2217]: stats: 0 qps (average over
1935 seconds)
Thanks in advance,
Nick Milas
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