[Pdns-users] DNS RRL for PowerDNS

Klaus Darilion klaus.mailinglists at pernau.at
Thu Sep 13 14:38:34 UTC 2012

On 13.09.2012 14:01, Mark Scholten wrote:
>>> I am confused about the results in
>> >http://mailman.powerdns.com/pipermail/pdns-dev/2012-June/001179.html  It
>> >seems that powerdns is slower without the LUA rate limiting script. What
> do I
>> >miss here?
>> >
>> >Not sure - perhaps Mark can clarify.
> If the LUA rate limiting script is used the backend (MySQL in this test)
> doesn't get the requests and doesn't have to answer them. Only the first 500
> in result set #2 are answered, the other requests are dropped and never go
> to the backend.
> This is causing the performance drop as far as I can see.

A, this make things clear. So it would be interesting to test the 
performance with filtering in front of the packet cache vs. packet cache.


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