[dnsdist] Performance drop (cache hits) after changing configuration

[Remi Gacogne]

Hi Winfried,

On 9/25/25 12:58, Winfried via dnsdist wrote:
> I'm not sure, but maybe "use_client_subnet: true" in the new 
> configuration is the reason why the queries are not cached if the cache 
> is not ECS aware.
That's a strong possibility indeed. The zero-scope feature might 
mitigate the impact if and only if the backend is cooperating: 
https://www.dnsdist.org/advanced/zero-scope.html

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