I'm not having this issue, can't seem to reproduce it on my system.
Stock ubuntu 10.04, with powerdns recursor 3.3 installed, running in
vmware esxi
added ulimit -n 30000
dnsperf -q 4000 -l 120 -d 3million.dump
Statistics:
Parse input file: multiple times
Run time limit: 120 seconds
Ran through file: 0 times
Queries sent: 2999750 queries
Queries completed: 2923119 queries
Queries lost: 76631 queries
Avg request size: 52 bytes
Avg response size: 83 bytes
Percentage completed: 97.45%
Percentage lost: 2.55%
Started at: Sun Feb 6 08:55:24 2011
Finished at: Sun Feb 6 08:57:29 2011
Ran for: 125.182963 seconds
Queries per second: 23350.773380 qps
Quoting Maroon Ibrahim <maroon_ibra...@hotmail.com>:
Dear PDNS Admins/Users
I have installed PDNS Recursor on Debian Lenny 64-bit with kernel
2.6.32 (downloaded the PDNS Recursore .deb from www.powerdns.com
webpage) and install it using dpkg -i pdn_recursor_3.3.deb
As for the setup, all went fine so far !!!
But i ran queryperf -q 4000 -d queries (3million record) -l 120 and
I noticed lots of query timed out and ended up with a very bad
result almost 143 qps !!!!
[Timeout] Query timed out: msg id 1010[Timeout] Query timed out: msg
id 1012[Timeout] Query timed out: msg id 1013[Timeout] Query timed
out: msg id 1014[Timeout] Query timed out: msg id 1015[Timeout]
Query timed out: msg id 1017[Timeout] Query timed out: msg id
1018[Timeout] Query timed out: msg id 1019[Timeout] Query timed out:
msg id 1021[Timeout] Query timed out: msg id 1022[Timeout] Query
timed out: msg id 1023[Timeout] Query timed out: msg id
1024[Timeout] Query timed out: msg id 1025[Timeout] Query timed out:
msg id 1026[Timeout] Query timed out: msg id 1027 Run time limit:
30 seconds Ran through file: 0 times
Queries sent: 44497 queries Queries completed: 6043
queries Queries lost: 38454 queries Queries delayed(?):
0 queries
RTT max: 12.458861 sec RTT min:
0.000017 sec RTT average: 0.838212 sec RTT std deviation:
1.222863 sec RTT out of range: 164 queries
Percentage completed: 13.58% Percentage lost: 86.42%
Started at: Sun Feb 6 09:19:55 2011 Finished at:
Sun Feb 6 09:20:40 2011 Ran for: 44.780163 seconds
Queries per second: 134.948147 qps
DNS:/bind9/contrib/queryperf#
Do I need to fine tune the kernel? or is there any tweaks in
powerdns recursor i have missed ? do you recommend to manually
compile powerdns recusor?? please advise
it is really urgent
Thank you for your cooperation
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