On Mon, May 17, 2010 at 03:23:21PM +0800, Lee Standen wrote:
> Thanks for that information, Bert.
>
> I had seen the documentation before... perhaps I should provide some more
> information.
>
> Here are the options I'm using at the moment (I've tried several values):
>
> -------------------------------------------------------
> disable-packetcache=no
> local-address=0.0.0.0
It might be wise to set this to the actual address you are using, but this
will not impact performance.
> local-port=53
> max-cache-entries=4000000
> max-packetcache-entries=4000000
> single-socket=off
I'd remove this one.
> threads=8
4 might be better given your hardware. At 8, some scheduling infelicities
might pop up.
> Percentage completed: 99.94%
> Percentage lost: 0.06%
> Queries per second: 12244.776377 qps
This is decidedly disappointing. Can you retry with threads=2 and threads=4?
Can you try a 'second run' with the same data? This can rule out certain
scnarios.
> I just double-checked the hardware and I've actually got 4 cores available,
> not 8 as I initially thought:
Is this real hardware or virtualized?
> Lastly, I'm using the amd64 deb from the powerdns web site on Ubuntu 10.04
> rather than building a new binary. It was assumed that those binaries
> would be optimized, but if they're not, I'm happy to try building it
> myself.
They are pretty ok - the numbers I posted earlier are also from those debs.
Bert
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