[Pdns-users] pdns recursor stats - over 100% packet cache hits

AleŇ° Rygl ales at rygl.net
Mon Nov 12 14:46:37 UTC 2012


  

Hi all, 

I am observing more that 100% packet cache hit ratio.
Possibly a bug: 

Nov 12 15:37:54 Beluga-2 pdns_recursor[28386]: stats:
20930014680 questions, 64002828 cache entries, 2064685 negative entries,
38% cache hits
Nov 12 15:37:54 Beluga-2 pdns_recursor[28386]: stats:
throttle map: 3579, ns speeds: 135784
Nov 12 15:37:54 Beluga-2
pdns_recursor[28386]: stats: outpacket/query ratio 97%, 0% throttled, 0
no-delegation drops
Nov 12 15:37:54 Beluga-2 pdns_recursor[28386]:
stats: 1131753 outgoing tcp connections, 34 queries running, 76832792
outgoing timeouts
Nov 12 15:37:54 Beluga-2 pdns_recursor[28386]: stats:
15745765 packet cache entries, 447% packet cache hits
Nov 12 15:37:54
Beluga-2 pdns_recursor[28386]: stats: 3292 qps (average over 1808
seconds)

Debian 2.6.32-5-amd64, pdns 3.3-1. 

Output of rec_control:


Beluga-2:~# rec_control get-all
all-outqueries
3646486266
dlg-only-drops 0
dont-outqueries 0
outgoing-timeouts
76837284
tcp-outqueries 1131798
throttled-out
29386313
throttled-outqueries 29386313
unreachables 7649115
answers-slow
49938671
answers0-1 1612220832
answers1-10 634033177
answers10-100
1249379672
answers100-1000 602818167
case-mismatches 0
chain-resends
33784015
client-parse-errors 1308401
edns-ping-matches
0
edns-ping-mismatches 0
ipv6-outqueries 0
no-packet-error
10149628361
noedns-outqueries 3647517748
noerror-answers
18669657372
noping-outqueries 0
nsset-invalidations
8124544
nxdomain-answers 1326265883
over-capacity-drops 0
qa-latency
10041
questions 20931266024
resource-limits 0
server-parse-errors
9847
servfail-answers 934033075
spoof-prevents 0
tcp-client-overflow
0
tcp-questions 1350495
unauthorized-tcp 0
unauthorized-udp
0
unexpected-packets 2103
cache-entries 64006415
cache-hits
1601030433
cache-misses 2547363346
concurrent-queries
68
negcache-entries 2068961
nsspeeds-entries 128688
packetcache-entries
15750336
packetcache-hits /
packetcache-misses 4148351501
sys-msec
3424145544
tcp-clients 0
throttle-entries 3851
uptime 9001387
user-msec
2948074086
Beluga-2:~# 

Cheers 

Ales 

  
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