[Pdns-users] DNS Cache "Training"

Peter van Dijk peter.van.dijk at netherlabs.nl
Tue Aug 20 17:49:03 UTC 2013

Hello Gerald,

On Aug 20, 2013, at 19:30 , Gerald wrote:

> I just tested my DNS Rekursor and realized, that I have to ask a certain address twice so that the third time the result is delivered out of the cache. Is there a special reason for that behavior?

By default, the recursor runs with two threads (this is the 'threads' setting in recursor.conf). If your first two requests manage to each hit a thread, this is the behaviour you will see.

Kind regards,
Peter van Dijk
Netherlabs Computer Consulting BV - http://www.netherlabs.nl/

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