[dnsdist] dnsdist performance

bert hubert bert.hubert at powerdns.com
Mon Apr 3 21:03:43 UTC 2017

On Mon, Apr 03, 2017 at 05:44:06PM -0300, Nico wrote:
> Hi!
> Thanks for answering!.
> I'm not pretending to be anonymous.
> Mi name is Nicolas Baumgarten and I do infrastructure support .

Hi, welcome! Thanks.

> One dnsdist process, whith 12 listeners, small cache, and all cached queries
> can't get more than 120/140 kqps on our config.
> Now we just tried to run 3 instances of dnsdist, with almost the same
> config and 6 listeners each,
> and we obtained 360/380 kqps, that's a linear increment.

Indeed - the goal of the dnsdist-concur branch is to get a single dnsdist to
be (nearly) as fasst as 6 dnsdsists on the same machine.

> I'm happy to share my results, what else I can send you?

Please let us know what your results are with dnsdist-concur, we have one
measurement that is very good, but more would be welcome.


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