[Pdns-users] FreeBSD performance fixes for the recursor

bert hubert bert.hubert at netherlabs.nl
Sat Mar 18 09:40:51 UTC 2006

Those of you using the PowerDNS recursor under FreeBSD may be interested in
the first post-2.9.20 snapshot available on:


In tests it is around 3 times faster than the 2.9.20 released and fully
capable of continuously serving 3000 real life queries per second on 2GHz
x86 hardware. The performance is now equal to that on Linux.

Many thanks are due to Jason Evans of FreeBSD for his help determining the
cause of the slowness, and suggesting a fix:

(and onwards)

Let me know if it works for you!

http://www.PowerDNS.com      Open source, database driven DNS Software 
http://netherlabs.nl              Open and Closed source services

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