Maintained by: NLnet Labs

[Unbound-users] HowTo Optimise ... more than in Guides

Paul Wouters
Fri Oct 9 17:30:28 CEST 2009


On Fri, 9 Oct 2009, Ivan Stenda wrote:

> Hello guys, I trying to set up unbound 1.3.3 ( compiled from sources with 
> libevent 1.3e-3 ) on i686 hw, fresh debian Lenny. I made a configuration like 
> explained in "howto optimize" guide, actual config I can post ( maybe is 
> wrong at some point ).
> Comparison with bind 9.5.1-P3 from debian stable is surprising:
> at synthetic test with resperf ( just few qnames with long TTL, so answered 
> from the cache ), from unbound I get about 10k qps maximum throughput, but 
> bind is about 82k qps.
> With real internet queries is unbound about 3k qps, but bind is at 60k qps.
> Bind has default debian configuration ( only  max-cache-size added ).

Can you try using  libevent 1.4.5 ?
Did you enable the python code in unbound? If so, can you try disabling that?
Are you validating dnssec with unbound using keys that came in via an
  earlier installed dnssec-conf package?

Paul