Generic reasons for recursive performance not to peg CPU?

[Doug Barton]

On 01/12/2014 07:30 PM, Barry Margolin wrote:
> In article <mailman.2014.1389579103.20661.bind-users at lists.isc.org>,
>   Doug Barton <dougb at dougbarton.us> wrote:
>
>> Thanks for the response, but you're answering a different question than
>> I asked. :)  The question I'm interested in is, "Why is the recursive
>> server not pegging the CPU?" I'm aware that there will be a difference
>> in qps between auth-only and recursive, but the recursive server seems
>> to be working a lot less hard than the auth server, and I can't figure
>> out why.
>
> If the answer isn't already in cache,

The answers are all in cache. We're pre-loading the data, and only 
running queries for data that we're pre-loading.

Doug