[Pdns-users] Big difference between udp-answers and udp4-answers
BH
lists at blackhat.bz
Fri Sep 16 10:14:24 UTC 2011
I have a similar question with the stats. While my stats almost match up
for udp-answers and udp4-answers, for udp-queries and udp4-queries they
do not match. Anyone have any idea what the difference is?
corrupt-packets=850553
deferred-cache-inserts=597361
deferred-cache-lookup=382250
latency=0
packetcache-hit=65682456
packetcache-miss=75142847
packetcache-size=218823
qsize-q=0
query-cache-hit=296924528
query-cache-miss=153752781
recursing-answers=0
recursing-questions=0
servfail-packets=15442
tcp-answers=538
tcp-queries=2168
timedout-packets=0
udp-answers=140880275
udp-queries=42926316
udp4-answers=140880276
udp4-queries=140880311
udp6-answers=0
udp6-queries=0
I have not had a proper look to see how the stats are calculated, so I
don't know what would cause that. This is with 3.0.20110722.2247-1 on
Debian if it makes any difference.
On 16/09/2011 5:14 PM, Manuel de Ferran wrote:
> Greetings,
>
> we have a PDNS 2.9.21 server that is authoritative for a couple of zones.
> I'm investigating on recent "java.net.UnknownHostException" that came up on
> some Java applications few times a day.
>
> During my investigation I noticed something odd in "pdns_control list"
> output :
> corrupt-packets=8
> deferred-cache-inserts=9353
> deferred-cache-lookup= 8471
> latency=0
> packetcache-hit=423920330
> packetcache-miss=109425963
> packetcache-size=230
> qsize-q=0
> query-cache-hit=723194390
> query-cache-miss=53504339
> recursing-answers=1593163
> recursing-questions=1593163
> servfail-packets=0
> tcp-answers=1
> tcp-queries=2
> timedout-packets=1
> udp-answers=533348099
> udp-queries=533348104
> udp4-answers=531754936
> udp4-queries=533348100
> udp6-answers=0
> udp6-queries=0
>
> There's a significant difference between udp4-answers (531754936) and
> udp-answers (533348099).
>
> Any clues about that ?
>
>
>
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