Generic reasons for recursive performance not to peg CPU?

[Sten Carlsen]

Wild guess: network bandwidth runs out before CPU? Why the difference, I
have no clue.

On 13/01/14 02.16, Doug Barton wrote:
> Howdy,
>
> Without going into too much detail, doing some performance testing and
> am seeing a weird result. On the same systems authoritative queries
> will happily peg the CPU. However when running recursive queries (with
> a small zone, all data cached before testing) the CPU never gets above
> 80%. The disk is nearly inactive on both systems, and there is no
> swapping. Using BIND 9.9.4.
>
> Is there perhaps something obvious I'm overlooking here? Any
> suggestions are welcome.
>
> Doug
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-- 
Best regards

Sten Carlsen

No improvements come from shouting:

       "MALE BOVINE MANURE!!!" 

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